0
19
0
1
1
22
18
9
11
15
15
10
10
25
26
2
2
| ... | ... |
@@ -52,51 +52,51 @@ |
| 52 | 52 |
template <typename PR, typename IM, typename Comp = std::less<PR> > |
| 53 | 53 |
class BinHeap {
|
| 54 | 54 |
|
| 55 | 55 |
public: |
| 56 | 56 |
///\e |
| 57 | 57 |
typedef IM ItemIntMap; |
| 58 | 58 |
///\e |
| 59 | 59 |
typedef PR Prio; |
| 60 | 60 |
///\e |
| 61 | 61 |
typedef typename ItemIntMap::Key Item; |
| 62 | 62 |
///\e |
| 63 | 63 |
typedef std::pair<Item,Prio> Pair; |
| 64 | 64 |
///\e |
| 65 | 65 |
typedef Comp Compare; |
| 66 | 66 |
|
| 67 | 67 |
/// \brief Type to represent the items states. |
| 68 | 68 |
/// |
| 69 | 69 |
/// Each Item element have a state associated to it. It may be "in heap", |
| 70 | 70 |
/// "pre heap" or "post heap". The latter two are indifferent from the |
| 71 | 71 |
/// heap's point of view, but may be useful to the user. |
| 72 | 72 |
/// |
| 73 | 73 |
/// The item-int map must be initialized in such way that it assigns |
| 74 | 74 |
/// \c PRE_HEAP (<tt>-1</tt>) to any element to be put in the heap. |
| 75 | 75 |
enum State {
|
| 76 |
IN_HEAP = 0, ///< \e |
|
| 77 |
PRE_HEAP = -1, ///< \e |
|
| 78 |
|
|
| 76 |
IN_HEAP = 0, ///< = 0. |
|
| 77 |
PRE_HEAP = -1, ///< = -1. |
|
| 78 |
POST_HEAP = -2 ///< = -2. |
|
| 79 | 79 |
}; |
| 80 | 80 |
|
| 81 | 81 |
private: |
| 82 | 82 |
std::vector<Pair> _data; |
| 83 | 83 |
Compare _comp; |
| 84 | 84 |
ItemIntMap &_iim; |
| 85 | 85 |
|
| 86 | 86 |
public: |
| 87 | 87 |
/// \brief The constructor. |
| 88 | 88 |
/// |
| 89 | 89 |
/// The constructor. |
| 90 | 90 |
/// \param map should be given to the constructor, since it is used |
| 91 | 91 |
/// internally to handle the cross references. The value of the map |
| 92 | 92 |
/// must be \c PRE_HEAP (<tt>-1</tt>) for every item. |
| 93 | 93 |
explicit BinHeap(ItemIntMap &map) : _iim(map) {}
|
| 94 | 94 |
|
| 95 | 95 |
/// \brief The constructor. |
| 96 | 96 |
/// |
| 97 | 97 |
/// The constructor. |
| 98 | 98 |
/// \param map should be given to the constructor, since it is used |
| 99 | 99 |
/// internally to handle the cross references. The value of the map |
| 100 | 100 |
/// should be PRE_HEAP (-1) for each element. |
| 101 | 101 |
/// |
| 102 | 102 |
/// \param comp The comparator function object. |
| ... | ... |
@@ -581,49 +581,49 @@ |
| 581 | 581 |
e = it2; |
| 582 | 582 |
} |
| 583 | 583 |
const Base& node; |
| 584 | 584 |
const GR& graph; |
| 585 | 585 |
}; |
| 586 | 586 |
}; |
| 587 | 587 |
|
| 588 | 588 |
/// \brief Skeleton class for iterable directed graphs. |
| 589 | 589 |
/// |
| 590 | 590 |
/// This class describes the interface of iterable directed |
| 591 | 591 |
/// graphs. It extends \ref BaseDigraphComponent with the core |
| 592 | 592 |
/// iterable interface. |
| 593 | 593 |
/// This concept is part of the Digraph concept. |
| 594 | 594 |
template <typename BAS = BaseDigraphComponent> |
| 595 | 595 |
class IterableDigraphComponent : public BAS {
|
| 596 | 596 |
|
| 597 | 597 |
public: |
| 598 | 598 |
|
| 599 | 599 |
typedef BAS Base; |
| 600 | 600 |
typedef typename Base::Node Node; |
| 601 | 601 |
typedef typename Base::Arc Arc; |
| 602 | 602 |
|
| 603 | 603 |
typedef IterableDigraphComponent Digraph; |
| 604 | 604 |
|
| 605 |
/// \name Base |
|
| 605 |
/// \name Base Iteration |
|
| 606 | 606 |
/// |
| 607 | 607 |
/// This interface provides functions for iteration on digraph items. |
| 608 | 608 |
/// |
| 609 | 609 |
/// @{
|
| 610 | 610 |
|
| 611 | 611 |
/// \brief Return the first node. |
| 612 | 612 |
/// |
| 613 | 613 |
/// This function gives back the first node in the iteration order. |
| 614 | 614 |
void first(Node&) const {}
|
| 615 | 615 |
|
| 616 | 616 |
/// \brief Return the next node. |
| 617 | 617 |
/// |
| 618 | 618 |
/// This function gives back the next node in the iteration order. |
| 619 | 619 |
void next(Node&) const {}
|
| 620 | 620 |
|
| 621 | 621 |
/// \brief Return the first arc. |
| 622 | 622 |
/// |
| 623 | 623 |
/// This function gives back the first arc in the iteration order. |
| 624 | 624 |
void first(Arc&) const {}
|
| 625 | 625 |
|
| 626 | 626 |
/// \brief Return the next arc. |
| 627 | 627 |
/// |
| 628 | 628 |
/// This function gives back the next arc in the iteration order. |
| 629 | 629 |
void next(Arc&) const {}
|
| ... | ... |
@@ -633,49 +633,49 @@ |
| 633 | 633 |
/// This function gives back the first arc incomming to the |
| 634 | 634 |
/// given node. |
| 635 | 635 |
void firstIn(Arc&, const Node&) const {}
|
| 636 | 636 |
|
| 637 | 637 |
/// \brief Return the next arc incomming to the given node. |
| 638 | 638 |
/// |
| 639 | 639 |
/// This function gives back the next arc incomming to the |
| 640 | 640 |
/// given node. |
| 641 | 641 |
void nextIn(Arc&) const {}
|
| 642 | 642 |
|
| 643 | 643 |
/// \brief Return the first arc outgoing form the given node. |
| 644 | 644 |
/// |
| 645 | 645 |
/// This function gives back the first arc outgoing form the |
| 646 | 646 |
/// given node. |
| 647 | 647 |
void firstOut(Arc&, const Node&) const {}
|
| 648 | 648 |
|
| 649 | 649 |
/// \brief Return the next arc outgoing form the given node. |
| 650 | 650 |
/// |
| 651 | 651 |
/// This function gives back the next arc outgoing form the |
| 652 | 652 |
/// given node. |
| 653 | 653 |
void nextOut(Arc&) const {}
|
| 654 | 654 |
|
| 655 | 655 |
/// @} |
| 656 | 656 |
|
| 657 |
/// \name Class |
|
| 657 |
/// \name Class Based Iteration |
|
| 658 | 658 |
/// |
| 659 | 659 |
/// This interface provides iterator classes for digraph items. |
| 660 | 660 |
/// |
| 661 | 661 |
/// @{
|
| 662 | 662 |
|
| 663 | 663 |
/// \brief This iterator goes through each node. |
| 664 | 664 |
/// |
| 665 | 665 |
/// This iterator goes through each node. |
| 666 | 666 |
/// |
| 667 | 667 |
typedef GraphItemIt<Digraph, Node> NodeIt; |
| 668 | 668 |
|
| 669 | 669 |
/// \brief This iterator goes through each arc. |
| 670 | 670 |
/// |
| 671 | 671 |
/// This iterator goes through each arc. |
| 672 | 672 |
/// |
| 673 | 673 |
typedef GraphItemIt<Digraph, Arc> ArcIt; |
| 674 | 674 |
|
| 675 | 675 |
/// \brief This iterator goes trough the incoming arcs of a node. |
| 676 | 676 |
/// |
| 677 | 677 |
/// This iterator goes trough the \e incoming arcs of a certain node |
| 678 | 678 |
/// of a digraph. |
| 679 | 679 |
typedef GraphIncIt<Digraph, Arc, Node, 'i'> InArcIt; |
| 680 | 680 |
|
| 681 | 681 |
/// \brief This iterator goes trough the outgoing arcs of a node. |
| ... | ... |
@@ -758,88 +758,88 @@ |
| 758 | 758 |
} |
| 759 | 759 |
|
| 760 | 760 |
const _Digraph& digraph; |
| 761 | 761 |
}; |
| 762 | 762 |
}; |
| 763 | 763 |
|
| 764 | 764 |
/// \brief Skeleton class for iterable undirected graphs. |
| 765 | 765 |
/// |
| 766 | 766 |
/// This class describes the interface of iterable undirected |
| 767 | 767 |
/// graphs. It extends \ref IterableDigraphComponent with the core |
| 768 | 768 |
/// iterable interface of undirected graphs. |
| 769 | 769 |
/// This concept is part of the Graph concept. |
| 770 | 770 |
template <typename BAS = BaseGraphComponent> |
| 771 | 771 |
class IterableGraphComponent : public IterableDigraphComponent<BAS> {
|
| 772 | 772 |
public: |
| 773 | 773 |
|
| 774 | 774 |
typedef BAS Base; |
| 775 | 775 |
typedef typename Base::Node Node; |
| 776 | 776 |
typedef typename Base::Arc Arc; |
| 777 | 777 |
typedef typename Base::Edge Edge; |
| 778 | 778 |
|
| 779 | 779 |
|
| 780 | 780 |
typedef IterableGraphComponent Graph; |
| 781 | 781 |
|
| 782 |
/// \name Base |
|
| 782 |
/// \name Base Iteration |
|
| 783 | 783 |
/// |
| 784 | 784 |
/// This interface provides functions for iteration on edges. |
| 785 | 785 |
/// |
| 786 | 786 |
/// @{
|
| 787 | 787 |
|
| 788 | 788 |
using IterableDigraphComponent<Base>::first; |
| 789 | 789 |
using IterableDigraphComponent<Base>::next; |
| 790 | 790 |
|
| 791 | 791 |
/// \brief Return the first edge. |
| 792 | 792 |
/// |
| 793 | 793 |
/// This function gives back the first edge in the iteration order. |
| 794 | 794 |
void first(Edge&) const {}
|
| 795 | 795 |
|
| 796 | 796 |
/// \brief Return the next edge. |
| 797 | 797 |
/// |
| 798 | 798 |
/// This function gives back the next edge in the iteration order. |
| 799 | 799 |
void next(Edge&) const {}
|
| 800 | 800 |
|
| 801 | 801 |
/// \brief Return the first edge incident to the given node. |
| 802 | 802 |
/// |
| 803 | 803 |
/// This function gives back the first edge incident to the given |
| 804 | 804 |
/// node. The bool parameter gives back the direction for which the |
| 805 | 805 |
/// source node of the directed arc representing the edge is the |
| 806 | 806 |
/// given node. |
| 807 | 807 |
void firstInc(Edge&, bool&, const Node&) const {}
|
| 808 | 808 |
|
| 809 | 809 |
/// \brief Gives back the next of the edges from the |
| 810 | 810 |
/// given node. |
| 811 | 811 |
/// |
| 812 | 812 |
/// This function gives back the next edge incident to the given |
| 813 | 813 |
/// node. The bool parameter should be used as \c firstInc() use it. |
| 814 | 814 |
void nextInc(Edge&, bool&) const {}
|
| 815 | 815 |
|
| 816 | 816 |
using IterableDigraphComponent<Base>::baseNode; |
| 817 | 817 |
using IterableDigraphComponent<Base>::runningNode; |
| 818 | 818 |
|
| 819 | 819 |
/// @} |
| 820 | 820 |
|
| 821 |
/// \name Class |
|
| 821 |
/// \name Class Based Iteration |
|
| 822 | 822 |
/// |
| 823 | 823 |
/// This interface provides iterator classes for edges. |
| 824 | 824 |
/// |
| 825 | 825 |
/// @{
|
| 826 | 826 |
|
| 827 | 827 |
/// \brief This iterator goes through each edge. |
| 828 | 828 |
/// |
| 829 | 829 |
/// This iterator goes through each edge. |
| 830 | 830 |
typedef GraphItemIt<Graph, Edge> EdgeIt; |
| 831 | 831 |
|
| 832 | 832 |
/// \brief This iterator goes trough the incident edges of a |
| 833 | 833 |
/// node. |
| 834 | 834 |
/// |
| 835 | 835 |
/// This iterator goes trough the incident edges of a certain |
| 836 | 836 |
/// node of a graph. |
| 837 | 837 |
typedef GraphIncIt<Graph, Edge, Node, 'e'> IncEdgeIt; |
| 838 | 838 |
|
| 839 | 839 |
/// \brief The base node of the iterator. |
| 840 | 840 |
/// |
| 841 | 841 |
/// This function gives back the base node of the iterator. |
| 842 | 842 |
Node baseNode(const IncEdgeIt&) const { return INVALID; }
|
| 843 | 843 |
|
| 844 | 844 |
/// \brief The running node of the iterator. |
| 845 | 845 |
/// |
| ... | ... |
@@ -50,51 +50,51 @@ |
| 50 | 50 |
template <typename PR, typename IM, typename Comp = std::less<PR> > |
| 51 | 51 |
#else |
| 52 | 52 |
template <typename PR, typename IM> |
| 53 | 53 |
#endif |
| 54 | 54 |
class Heap {
|
| 55 | 55 |
public: |
| 56 | 56 |
|
| 57 | 57 |
/// Type of the item-int map. |
| 58 | 58 |
typedef IM ItemIntMap; |
| 59 | 59 |
/// Type of the priorities. |
| 60 | 60 |
typedef PR Prio; |
| 61 | 61 |
/// Type of the items stored in the heap. |
| 62 | 62 |
typedef typename ItemIntMap::Key Item; |
| 63 | 63 |
|
| 64 | 64 |
/// \brief Type to represent the states of the items. |
| 65 | 65 |
/// |
| 66 | 66 |
/// Each item has a state associated to it. It can be "in heap", |
| 67 | 67 |
/// "pre heap" or "post heap". The later two are indifferent |
| 68 | 68 |
/// from the point of view of the heap, but may be useful for |
| 69 | 69 |
/// the user. |
| 70 | 70 |
/// |
| 71 | 71 |
/// The item-int map must be initialized in such way that it assigns |
| 72 | 72 |
/// \c PRE_HEAP (<tt>-1</tt>) to any element to be put in the heap. |
| 73 | 73 |
enum State {
|
| 74 |
IN_HEAP = 0, ///< The "in heap" state constant. |
|
| 75 |
PRE_HEAP = -1, ///< The "pre heap" state constant. |
|
| 76 |
|
|
| 74 |
IN_HEAP = 0, ///< = 0. The "in heap" state constant. |
|
| 75 |
PRE_HEAP = -1, ///< = -1. The "pre heap" state constant. |
|
| 76 |
POST_HEAP = -2 ///< = -2. The "post heap" state constant. |
|
| 77 | 77 |
}; |
| 78 | 78 |
|
| 79 | 79 |
/// \brief The constructor. |
| 80 | 80 |
/// |
| 81 | 81 |
/// The constructor. |
| 82 | 82 |
/// \param map A map that assigns \c int values to keys of type |
| 83 | 83 |
/// \c Item. It is used internally by the heap implementations to |
| 84 | 84 |
/// handle the cross references. The assigned value must be |
| 85 | 85 |
/// \c PRE_HEAP (<tt>-1</tt>) for every item. |
| 86 | 86 |
explicit Heap(ItemIntMap &map) {}
|
| 87 | 87 |
|
| 88 | 88 |
/// \brief The number of items stored in the heap. |
| 89 | 89 |
/// |
| 90 | 90 |
/// Returns the number of items stored in the heap. |
| 91 | 91 |
int size() const { return 0; }
|
| 92 | 92 |
|
| 93 | 93 |
/// \brief Checks if the heap is empty. |
| 94 | 94 |
/// |
| 95 | 95 |
/// Returns \c true if the heap is empty. |
| 96 | 96 |
bool empty() const { return false; }
|
| 97 | 97 |
|
| 98 | 98 |
/// \brief Makes the heap empty. |
| 99 | 99 |
/// |
| 100 | 100 |
/// Makes the heap empty. |
| ... | ... |
@@ -185,49 +185,49 @@ |
| 185 | 185 |
_pred = Traits::createPredMap(*G); |
| 186 | 186 |
} |
| 187 | 187 |
if(!_dist) {
|
| 188 | 188 |
local_dist = true; |
| 189 | 189 |
_dist = Traits::createDistMap(*G); |
| 190 | 190 |
} |
| 191 | 191 |
if(!_reached) {
|
| 192 | 192 |
local_reached = true; |
| 193 | 193 |
_reached = Traits::createReachedMap(*G); |
| 194 | 194 |
} |
| 195 | 195 |
if(!_processed) {
|
| 196 | 196 |
local_processed = true; |
| 197 | 197 |
_processed = Traits::createProcessedMap(*G); |
| 198 | 198 |
} |
| 199 | 199 |
} |
| 200 | 200 |
|
| 201 | 201 |
protected: |
| 202 | 202 |
|
| 203 | 203 |
Dfs() {}
|
| 204 | 204 |
|
| 205 | 205 |
public: |
| 206 | 206 |
|
| 207 | 207 |
typedef Dfs Create; |
| 208 | 208 |
|
| 209 |
///\name Named |
|
| 209 |
///\name Named Template Parameters |
|
| 210 | 210 |
|
| 211 | 211 |
///@{
|
| 212 | 212 |
|
| 213 | 213 |
template <class T> |
| 214 | 214 |
struct SetPredMapTraits : public Traits {
|
| 215 | 215 |
typedef T PredMap; |
| 216 | 216 |
static PredMap *createPredMap(const Digraph &) |
| 217 | 217 |
{
|
| 218 | 218 |
LEMON_ASSERT(false, "PredMap is not initialized"); |
| 219 | 219 |
return 0; // ignore warnings |
| 220 | 220 |
} |
| 221 | 221 |
}; |
| 222 | 222 |
///\brief \ref named-templ-param "Named parameter" for setting |
| 223 | 223 |
///\c PredMap type. |
| 224 | 224 |
/// |
| 225 | 225 |
///\ref named-templ-param "Named parameter" for setting |
| 226 | 226 |
///\c PredMap type. |
| 227 | 227 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 228 | 228 |
template <class T> |
| 229 | 229 |
struct SetPredMap : public Dfs<Digraph, SetPredMapTraits<T> > {
|
| 230 | 230 |
typedef Dfs<Digraph, SetPredMapTraits<T> > Create; |
| 231 | 231 |
}; |
| 232 | 232 |
|
| 233 | 233 |
template <class T> |
| ... | ... |
@@ -265,49 +265,49 @@ |
| 265 | 265 |
_pred = Traits::createPredMap(*G); |
| 266 | 266 |
} |
| 267 | 267 |
if(!_dist) {
|
| 268 | 268 |
local_dist = true; |
| 269 | 269 |
_dist = Traits::createDistMap(*G); |
| 270 | 270 |
} |
| 271 | 271 |
if(!_processed) {
|
| 272 | 272 |
local_processed = true; |
| 273 | 273 |
_processed = Traits::createProcessedMap(*G); |
| 274 | 274 |
} |
| 275 | 275 |
if (!_heap_cross_ref) {
|
| 276 | 276 |
local_heap_cross_ref = true; |
| 277 | 277 |
_heap_cross_ref = Traits::createHeapCrossRef(*G); |
| 278 | 278 |
} |
| 279 | 279 |
if (!_heap) {
|
| 280 | 280 |
local_heap = true; |
| 281 | 281 |
_heap = Traits::createHeap(*_heap_cross_ref); |
| 282 | 282 |
} |
| 283 | 283 |
} |
| 284 | 284 |
|
| 285 | 285 |
public: |
| 286 | 286 |
|
| 287 | 287 |
typedef Dijkstra Create; |
| 288 | 288 |
|
| 289 |
///\name Named |
|
| 289 |
///\name Named Template Parameters |
|
| 290 | 290 |
|
| 291 | 291 |
///@{
|
| 292 | 292 |
|
| 293 | 293 |
template <class T> |
| 294 | 294 |
struct SetPredMapTraits : public Traits {
|
| 295 | 295 |
typedef T PredMap; |
| 296 | 296 |
static PredMap *createPredMap(const Digraph &) |
| 297 | 297 |
{
|
| 298 | 298 |
LEMON_ASSERT(false, "PredMap is not initialized"); |
| 299 | 299 |
return 0; // ignore warnings |
| 300 | 300 |
} |
| 301 | 301 |
}; |
| 302 | 302 |
///\brief \ref named-templ-param "Named parameter" for setting |
| 303 | 303 |
///\c PredMap type. |
| 304 | 304 |
/// |
| 305 | 305 |
///\ref named-templ-param "Named parameter" for setting |
| 306 | 306 |
///\c PredMap type. |
| 307 | 307 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 308 | 308 |
template <class T> |
| 309 | 309 |
struct SetPredMap |
| 310 | 310 |
: public Dijkstra< Digraph, LengthMap, SetPredMapTraits<T> > {
|
| 311 | 311 |
typedef Dijkstra< Digraph, LengthMap, SetPredMapTraits<T> > Create; |
| 312 | 312 |
}; |
| 313 | 313 |
| ... | ... |
@@ -16,109 +16,113 @@ |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 | 19 |
#ifndef LEMON_DIMACS_H |
| 20 | 20 |
#define LEMON_DIMACS_H |
| 21 | 21 |
|
| 22 | 22 |
#include <iostream> |
| 23 | 23 |
#include <string> |
| 24 | 24 |
#include <vector> |
| 25 | 25 |
#include <limits> |
| 26 | 26 |
#include <lemon/maps.h> |
| 27 | 27 |
#include <lemon/error.h> |
| 28 | 28 |
/// \ingroup dimacs_group |
| 29 | 29 |
/// \file |
| 30 | 30 |
/// \brief DIMACS file format reader. |
| 31 | 31 |
|
| 32 | 32 |
namespace lemon {
|
| 33 | 33 |
|
| 34 | 34 |
/// \addtogroup dimacs_group |
| 35 | 35 |
/// @{
|
| 36 | 36 |
|
| 37 | 37 |
/// DIMACS file type descriptor. |
| 38 | 38 |
struct DimacsDescriptor |
| 39 | 39 |
{
|
| 40 |
///File type enum |
|
| 41 |
enum Type |
|
| 42 |
{
|
|
| 43 |
NONE, MIN, MAX, SP, MAT |
|
| 40 |
///\brief DIMACS file type enum |
|
| 41 |
/// |
|
| 42 |
///DIMACS file type enum. |
|
| 43 |
enum Type {
|
|
| 44 |
NONE, ///< Undefined type. |
|
| 45 |
MIN, ///< DIMACS file type for minimum cost flow problems. |
|
| 46 |
MAX, ///< DIMACS file type for maximum flow problems. |
|
| 47 |
SP, ///< DIMACS file type for shostest path problems. |
|
| 48 |
MAT ///< DIMACS file type for plain graphs and matching problems. |
|
| 44 | 49 |
}; |
| 45 | 50 |
///The file type |
| 46 | 51 |
Type type; |
| 47 | 52 |
///The number of nodes in the graph |
| 48 | 53 |
int nodeNum; |
| 49 | 54 |
///The number of edges in the graph |
| 50 | 55 |
int edgeNum; |
| 51 | 56 |
int lineShift; |
| 52 |
/// |
|
| 57 |
///Constructor. It sets the type to \c NONE. |
|
| 53 | 58 |
DimacsDescriptor() : type(NONE) {}
|
| 54 | 59 |
}; |
| 55 | 60 |
|
| 56 | 61 |
///Discover the type of a DIMACS file |
| 57 | 62 |
|
| 58 |
///It starts seeking the beginning of the file for the problem type |
|
| 59 |
///and size info. The found data is returned in a special struct |
|
| 60 |
///that can be evaluated and passed to the appropriate reader |
|
| 61 |
///function. |
|
| 63 |
///This function starts seeking the beginning of the given file for the |
|
| 64 |
///problem type and size info. |
|
| 65 |
///The found data is returned in a special struct that can be evaluated |
|
| 66 |
///and passed to the appropriate reader function. |
|
| 62 | 67 |
DimacsDescriptor dimacsType(std::istream& is) |
| 63 | 68 |
{
|
| 64 | 69 |
DimacsDescriptor r; |
| 65 | 70 |
std::string problem,str; |
| 66 | 71 |
char c; |
| 67 | 72 |
r.lineShift=0; |
| 68 | 73 |
while (is >> c) |
| 69 | 74 |
switch(c) |
| 70 | 75 |
{
|
| 71 | 76 |
case 'p': |
| 72 | 77 |
if(is >> problem >> r.nodeNum >> r.edgeNum) |
| 73 | 78 |
{
|
| 74 | 79 |
getline(is, str); |
| 75 | 80 |
r.lineShift++; |
| 76 | 81 |
if(problem=="min") r.type=DimacsDescriptor::MIN; |
| 77 | 82 |
else if(problem=="max") r.type=DimacsDescriptor::MAX; |
| 78 | 83 |
else if(problem=="sp") r.type=DimacsDescriptor::SP; |
| 79 | 84 |
else if(problem=="mat") r.type=DimacsDescriptor::MAT; |
| 80 | 85 |
else throw FormatError("Unknown problem type");
|
| 81 | 86 |
return r; |
| 82 | 87 |
} |
| 83 | 88 |
else |
| 84 | 89 |
{
|
| 85 | 90 |
throw FormatError("Missing or wrong problem type declaration.");
|
| 86 | 91 |
} |
| 87 | 92 |
break; |
| 88 | 93 |
case 'c': |
| 89 | 94 |
getline(is, str); |
| 90 | 95 |
r.lineShift++; |
| 91 | 96 |
break; |
| 92 | 97 |
default: |
| 93 | 98 |
throw FormatError("Unknown DIMACS declaration.");
|
| 94 | 99 |
} |
| 95 | 100 |
throw FormatError("Missing problem type declaration.");
|
| 96 | 101 |
} |
| 97 | 102 |
|
| 98 | 103 |
|
| 99 |
|
|
| 100 |
/// DIMACS minimum cost flow reader function. |
|
| 104 |
/// \brief DIMACS minimum cost flow reader function. |
|
| 101 | 105 |
/// |
| 102 | 106 |
/// This function reads a minimum cost flow instance from DIMACS format, |
| 103 | 107 |
/// i.e. from a DIMACS file having a line starting with |
| 104 | 108 |
/// \code |
| 105 | 109 |
/// p min |
| 106 | 110 |
/// \endcode |
| 107 | 111 |
/// At the beginning, \c g is cleared by \c g.clear(). The supply |
| 108 | 112 |
/// amount of the nodes are written to the \c supply node map |
| 109 | 113 |
/// (they are signed values). The lower bounds, capacities and costs |
| 110 | 114 |
/// of the arcs are written to the \c lower, \c capacity and \c cost |
| 111 | 115 |
/// arc maps. |
| 112 | 116 |
/// |
| 113 | 117 |
/// If the capacity of an arc is less than the lower bound, it will |
| 114 | 118 |
/// be set to "infinite" instead. The actual value of "infinite" is |
| 115 | 119 |
/// contolled by the \c infty parameter. If it is 0 (the default value), |
| 116 | 120 |
/// \c std::numeric_limits<Capacity>::infinity() will be used if available, |
| 117 | 121 |
/// \c std::numeric_limits<Capacity>::max() otherwise. If \c infty is set to |
| 118 | 122 |
/// a non-zero value, that value will be used as "infinite". |
| 119 | 123 |
/// |
| 120 | 124 |
/// If the file type was previously evaluated by dimacsType(), then |
| 121 | 125 |
/// the descriptor struct should be given by the \c dest parameter. |
| 122 | 126 |
template <typename Digraph, typename LowerMap, |
| 123 | 127 |
typename CapacityMap, typename CostMap, |
| 124 | 128 |
typename SupplyMap> |
| ... | ... |
@@ -232,159 +236,159 @@ |
| 232 | 236 |
is >> i >> j >> _cap; |
| 233 | 237 |
getline(is, str); |
| 234 | 238 |
e = g.addArc(nodes[i], nodes[j]); |
| 235 | 239 |
capacity.set(e, _cap); |
| 236 | 240 |
} |
| 237 | 241 |
else if (desc.type==DimacsDescriptor::MAX) {
|
| 238 | 242 |
is >> i >> j >> _cap; |
| 239 | 243 |
getline(is, str); |
| 240 | 244 |
e = g.addArc(nodes[i], nodes[j]); |
| 241 | 245 |
if (_cap >= 0) |
| 242 | 246 |
capacity.set(e, _cap); |
| 243 | 247 |
else |
| 244 | 248 |
capacity.set(e, infty); |
| 245 | 249 |
} |
| 246 | 250 |
else {
|
| 247 | 251 |
is >> i >> j; |
| 248 | 252 |
getline(is, str); |
| 249 | 253 |
g.addArc(nodes[i], nodes[j]); |
| 250 | 254 |
} |
| 251 | 255 |
break; |
| 252 | 256 |
} |
| 253 | 257 |
} |
| 254 | 258 |
} |
| 255 | 259 |
|
| 256 |
/// DIMACS maximum flow reader function. |
|
| 260 |
/// \brief DIMACS maximum flow reader function. |
|
| 257 | 261 |
/// |
| 258 | 262 |
/// This function reads a maximum flow instance from DIMACS format, |
| 259 | 263 |
/// i.e. from a DIMACS file having a line starting with |
| 260 | 264 |
/// \code |
| 261 | 265 |
/// p max |
| 262 | 266 |
/// \endcode |
| 263 | 267 |
/// At the beginning, \c g is cleared by \c g.clear(). The arc |
| 264 | 268 |
/// capacities are written to the \c capacity arc map and \c s and |
| 265 | 269 |
/// \c t are set to the source and the target nodes. |
| 266 | 270 |
/// |
| 267 | 271 |
/// If the capacity of an arc is negative, it will |
| 268 | 272 |
/// be set to "infinite" instead. The actual value of "infinite" is |
| 269 | 273 |
/// contolled by the \c infty parameter. If it is 0 (the default value), |
| 270 | 274 |
/// \c std::numeric_limits<Capacity>::infinity() will be used if available, |
| 271 | 275 |
/// \c std::numeric_limits<Capacity>::max() otherwise. If \c infty is set to |
| 272 | 276 |
/// a non-zero value, that value will be used as "infinite". |
| 273 | 277 |
/// |
| 274 | 278 |
/// If the file type was previously evaluated by dimacsType(), then |
| 275 | 279 |
/// the descriptor struct should be given by the \c dest parameter. |
| 276 | 280 |
template<typename Digraph, typename CapacityMap> |
| 277 | 281 |
void readDimacsMax(std::istream& is, |
| 278 | 282 |
Digraph &g, |
| 279 | 283 |
CapacityMap& capacity, |
| 280 | 284 |
typename Digraph::Node &s, |
| 281 | 285 |
typename Digraph::Node &t, |
| 282 | 286 |
typename CapacityMap::Value infty = 0, |
| 283 | 287 |
DimacsDescriptor desc=DimacsDescriptor()) {
|
| 284 | 288 |
if(desc.type==DimacsDescriptor::NONE) desc=dimacsType(is); |
| 285 | 289 |
if(desc.type!=DimacsDescriptor::MAX) |
| 286 | 290 |
throw FormatError("Problem type mismatch");
|
| 287 | 291 |
_readDimacs(is,g,capacity,s,t,infty,desc); |
| 288 | 292 |
} |
| 289 | 293 |
|
| 290 |
/// DIMACS shortest path reader function. |
|
| 294 |
/// \brief DIMACS shortest path reader function. |
|
| 291 | 295 |
/// |
| 292 | 296 |
/// This function reads a shortest path instance from DIMACS format, |
| 293 | 297 |
/// i.e. from a DIMACS file having a line starting with |
| 294 | 298 |
/// \code |
| 295 | 299 |
/// p sp |
| 296 | 300 |
/// \endcode |
| 297 | 301 |
/// At the beginning, \c g is cleared by \c g.clear(). The arc |
| 298 | 302 |
/// lengths are written to the \c length arc map and \c s is set to the |
| 299 | 303 |
/// source node. |
| 300 | 304 |
/// |
| 301 | 305 |
/// If the file type was previously evaluated by dimacsType(), then |
| 302 | 306 |
/// the descriptor struct should be given by the \c dest parameter. |
| 303 | 307 |
template<typename Digraph, typename LengthMap> |
| 304 | 308 |
void readDimacsSp(std::istream& is, |
| 305 | 309 |
Digraph &g, |
| 306 | 310 |
LengthMap& length, |
| 307 | 311 |
typename Digraph::Node &s, |
| 308 | 312 |
DimacsDescriptor desc=DimacsDescriptor()) {
|
| 309 | 313 |
typename Digraph::Node t; |
| 310 | 314 |
if(desc.type==DimacsDescriptor::NONE) desc=dimacsType(is); |
| 311 | 315 |
if(desc.type!=DimacsDescriptor::SP) |
| 312 | 316 |
throw FormatError("Problem type mismatch");
|
| 313 | 317 |
_readDimacs(is, g, length, s, t, 0, desc); |
| 314 | 318 |
} |
| 315 | 319 |
|
| 316 |
/// DIMACS capacitated digraph reader function. |
|
| 320 |
/// \brief DIMACS capacitated digraph reader function. |
|
| 317 | 321 |
/// |
| 318 | 322 |
/// This function reads an arc capacitated digraph instance from |
| 319 | 323 |
/// DIMACS 'max' or 'sp' format. |
| 320 | 324 |
/// At the beginning, \c g is cleared by \c g.clear() |
| 321 | 325 |
/// and the arc capacities/lengths are written to the \c capacity |
| 322 | 326 |
/// arc map. |
| 323 | 327 |
/// |
| 324 | 328 |
/// In case of the 'max' format, if the capacity of an arc is negative, |
| 325 | 329 |
/// it will |
| 326 | 330 |
/// be set to "infinite" instead. The actual value of "infinite" is |
| 327 | 331 |
/// contolled by the \c infty parameter. If it is 0 (the default value), |
| 328 | 332 |
/// \c std::numeric_limits<Capacity>::infinity() will be used if available, |
| 329 | 333 |
/// \c std::numeric_limits<Capacity>::max() otherwise. If \c infty is set to |
| 330 | 334 |
/// a non-zero value, that value will be used as "infinite". |
| 331 | 335 |
/// |
| 332 | 336 |
/// If the file type was previously evaluated by dimacsType(), then |
| 333 | 337 |
/// the descriptor struct should be given by the \c dest parameter. |
| 334 | 338 |
template<typename Digraph, typename CapacityMap> |
| 335 | 339 |
void readDimacsCap(std::istream& is, |
| 336 | 340 |
Digraph &g, |
| 337 | 341 |
CapacityMap& capacity, |
| 338 | 342 |
typename CapacityMap::Value infty = 0, |
| 339 | 343 |
DimacsDescriptor desc=DimacsDescriptor()) {
|
| 340 | 344 |
typename Digraph::Node u,v; |
| 341 | 345 |
if(desc.type==DimacsDescriptor::NONE) desc=dimacsType(is); |
| 342 | 346 |
if(desc.type!=DimacsDescriptor::MAX || desc.type!=DimacsDescriptor::SP) |
| 343 | 347 |
throw FormatError("Problem type mismatch");
|
| 344 | 348 |
_readDimacs(is, g, capacity, u, v, infty, desc); |
| 345 | 349 |
} |
| 346 | 350 |
|
| 347 | 351 |
template<typename Graph> |
| 348 | 352 |
typename enable_if<lemon::UndirectedTagIndicator<Graph>,void>::type |
| 349 | 353 |
_addArcEdge(Graph &g, typename Graph::Node s, typename Graph::Node t, |
| 350 | 354 |
dummy<0> = 0) |
| 351 | 355 |
{
|
| 352 | 356 |
g.addEdge(s,t); |
| 353 | 357 |
} |
| 354 | 358 |
template<typename Graph> |
| 355 | 359 |
typename disable_if<lemon::UndirectedTagIndicator<Graph>,void>::type |
| 356 | 360 |
_addArcEdge(Graph &g, typename Graph::Node s, typename Graph::Node t, |
| 357 | 361 |
dummy<1> = 1) |
| 358 | 362 |
{
|
| 359 | 363 |
g.addArc(s,t); |
| 360 | 364 |
} |
| 361 | 365 |
|
| 362 |
/// DIMACS plain (di)graph reader function. |
|
| 366 |
/// \brief DIMACS plain (di)graph reader function. |
|
| 363 | 367 |
/// |
| 364 |
/// This function reads a (di)graph without any designated nodes and |
|
| 365 |
/// maps from DIMACS format, i.e. from DIMACS files having a line |
|
| 366 |
/// |
|
| 368 |
/// This function reads a plain (di)graph without any designated nodes |
|
| 369 |
/// and maps (e.g. a matching instance) from DIMACS format, i.e. from |
|
| 370 |
/// DIMACS files having a line starting with |
|
| 367 | 371 |
/// \code |
| 368 | 372 |
/// p mat |
| 369 | 373 |
/// \endcode |
| 370 | 374 |
/// At the beginning, \c g is cleared by \c g.clear(). |
| 371 | 375 |
/// |
| 372 | 376 |
/// If the file type was previously evaluated by dimacsType(), then |
| 373 | 377 |
/// the descriptor struct should be given by the \c dest parameter. |
| 374 | 378 |
template<typename Graph> |
| 375 | 379 |
void readDimacsMat(std::istream& is, Graph &g, |
| 376 | 380 |
DimacsDescriptor desc=DimacsDescriptor()) |
| 377 | 381 |
{
|
| 378 | 382 |
if(desc.type==DimacsDescriptor::NONE) desc=dimacsType(is); |
| 379 | 383 |
if(desc.type!=DimacsDescriptor::MAT) |
| 380 | 384 |
throw FormatError("Problem type mismatch");
|
| 381 | 385 |
|
| 382 | 386 |
g.clear(); |
| 383 | 387 |
std::vector<typename Graph::Node> nodes; |
| 384 | 388 |
char c; |
| 385 | 389 |
int i, j; |
| 386 | 390 |
std::string str; |
| 387 | 391 |
nodes.resize(desc.nodeNum + 1); |
| 388 | 392 |
for (int k = 1; k <= desc.nodeNum; ++k) {
|
| 389 | 393 |
nodes[k] = g.addNode(); |
| 390 | 394 |
} |
| ... | ... |
@@ -247,64 +247,60 @@ |
| 247 | 247 |
typedef typename Graph::ArcIt ArcIt; |
| 248 | 248 |
typedef typename Graph::InArcIt InArcIt; |
| 249 | 249 |
typedef typename Graph::OutArcIt OutArcIt; |
| 250 | 250 |
|
| 251 | 251 |
static const int INTERPOL_PREC; |
| 252 | 252 |
static const double A4HEIGHT; |
| 253 | 253 |
static const double A4WIDTH; |
| 254 | 254 |
static const double A4BORDER; |
| 255 | 255 |
|
| 256 | 256 |
bool dontPrint; |
| 257 | 257 |
|
| 258 | 258 |
public: |
| 259 | 259 |
///Node shapes |
| 260 | 260 |
|
| 261 | 261 |
///Node shapes. |
| 262 | 262 |
/// |
| 263 | 263 |
enum NodeShapes {
|
| 264 | 264 |
/// = 0 |
| 265 | 265 |
///\image html nodeshape_0.png |
| 266 | 266 |
///\image latex nodeshape_0.eps "CIRCLE shape (0)" width=2cm |
| 267 | 267 |
CIRCLE=0, |
| 268 | 268 |
/// = 1 |
| 269 | 269 |
///\image html nodeshape_1.png |
| 270 | 270 |
///\image latex nodeshape_1.eps "SQUARE shape (1)" width=2cm |
| 271 |
/// |
|
| 272 | 271 |
SQUARE=1, |
| 273 | 272 |
/// = 2 |
| 274 | 273 |
///\image html nodeshape_2.png |
| 275 | 274 |
///\image latex nodeshape_2.eps "DIAMOND shape (2)" width=2cm |
| 276 |
/// |
|
| 277 | 275 |
DIAMOND=2, |
| 278 | 276 |
/// = 3 |
| 279 | 277 |
///\image html nodeshape_3.png |
| 280 |
///\image latex nodeshape_2.eps "MALE shape (4)" width=2cm |
|
| 281 |
/// |
|
| 278 |
///\image latex nodeshape_3.eps "MALE shape (3)" width=2cm |
|
| 282 | 279 |
MALE=3, |
| 283 | 280 |
/// = 4 |
| 284 | 281 |
///\image html nodeshape_4.png |
| 285 |
///\image latex nodeshape_2.eps "FEMALE shape (4)" width=2cm |
|
| 286 |
/// |
|
| 282 |
///\image latex nodeshape_4.eps "FEMALE shape (4)" width=2cm |
|
| 287 | 283 |
FEMALE=4 |
| 288 | 284 |
}; |
| 289 | 285 |
|
| 290 | 286 |
private: |
| 291 | 287 |
class arcLess {
|
| 292 | 288 |
const Graph &g; |
| 293 | 289 |
public: |
| 294 | 290 |
arcLess(const Graph &_g) : g(_g) {}
|
| 295 | 291 |
bool operator()(Arc a,Arc b) const |
| 296 | 292 |
{
|
| 297 | 293 |
Node ai=std::min(g.source(a),g.target(a)); |
| 298 | 294 |
Node aa=std::max(g.source(a),g.target(a)); |
| 299 | 295 |
Node bi=std::min(g.source(b),g.target(b)); |
| 300 | 296 |
Node ba=std::max(g.source(b),g.target(b)); |
| 301 | 297 |
return ai<bi || |
| 302 | 298 |
(ai==bi && (aa < ba || |
| 303 | 299 |
(aa==ba && ai==g.source(a) && bi==g.target(b)))); |
| 304 | 300 |
} |
| 305 | 301 |
}; |
| 306 | 302 |
bool isParallel(Arc e,Arc f) const |
| 307 | 303 |
{
|
| 308 | 304 |
return (g.source(e)==g.source(f)&& |
| 309 | 305 |
g.target(e)==g.target(f)) || |
| 310 | 306 |
(g.source(e)==g.target(f)&& |
| ... | ... |
@@ -227,103 +227,101 @@ |
| 227 | 227 |
|
| 228 | 228 |
static Value kruskal(const Graph& graph, const In& in, Out& out) {
|
| 229 | 229 |
typedef LoggerBoolMap<typename RemoveConst<Out>::type> Map; |
| 230 | 230 |
Map map(out); |
| 231 | 231 |
return _kruskal_bits::kruskal(graph, in, map); |
| 232 | 232 |
} |
| 233 | 233 |
|
| 234 | 234 |
}; |
| 235 | 235 |
|
| 236 | 236 |
template <typename Graph, typename In, typename Out> |
| 237 | 237 |
struct KruskalOutputSelector<Graph, In, Out, |
| 238 | 238 |
typename enable_if<MapOutputIndicator<Out>, void>::type > |
| 239 | 239 |
{
|
| 240 | 240 |
typedef typename In::value_type::second_type Value; |
| 241 | 241 |
|
| 242 | 242 |
static Value kruskal(const Graph& graph, const In& in, Out& out) {
|
| 243 | 243 |
return _kruskal_bits::kruskal(graph, in, out); |
| 244 | 244 |
} |
| 245 | 245 |
}; |
| 246 | 246 |
|
| 247 | 247 |
} |
| 248 | 248 |
|
| 249 | 249 |
/// \ingroup spantree |
| 250 | 250 |
/// |
| 251 |
/// \brief Kruskal algorithm |
|
| 251 |
/// \brief Kruskal's algorithm for finding a minimum cost spanning tree of |
|
| 252 | 252 |
/// a graph. |
| 253 | 253 |
/// |
| 254 | 254 |
/// This function runs Kruskal's algorithm to find a minimum cost |
| 255 |
/// spanning tree. |
|
| 255 |
/// spanning tree of a graph. |
|
| 256 | 256 |
/// Due to some C++ hacking, it accepts various input and output types. |
| 257 | 257 |
/// |
| 258 | 258 |
/// \param g The graph the algorithm runs on. |
| 259 | 259 |
/// It can be either \ref concepts::Digraph "directed" or |
| 260 | 260 |
/// \ref concepts::Graph "undirected". |
| 261 | 261 |
/// If the graph is directed, the algorithm consider it to be |
| 262 | 262 |
/// undirected by disregarding the direction of the arcs. |
| 263 | 263 |
/// |
| 264 | 264 |
/// \param in This object is used to describe the arc/edge costs. |
| 265 | 265 |
/// It can be one of the following choices. |
| 266 | 266 |
/// - An STL compatible 'Forward Container' with |
| 267 |
/// <tt>std::pair<GR::Arc,X></tt> or |
|
| 268 |
/// <tt>std::pair<GR::Edge,X></tt> as its <tt>value_type</tt>, where |
|
| 269 |
/// |
|
| 267 |
/// <tt>std::pair<GR::Arc,C></tt> or |
|
| 268 |
/// <tt>std::pair<GR::Edge,C></tt> as its <tt>value_type</tt>, where |
|
| 269 |
/// \c C is the type of the costs. The pairs indicates the arcs/edges |
|
| 270 | 270 |
/// along with the assigned cost. <em>They must be in a |
| 271 | 271 |
/// cost-ascending order.</em> |
| 272 | 272 |
/// - Any readable arc/edge map. The values of the map indicate the |
| 273 | 273 |
/// arc/edge costs. |
| 274 | 274 |
/// |
| 275 | 275 |
/// \retval out Here we also have a choice. |
| 276 |
/// - It can be a writable \c bool arc/edge map. After running the |
|
| 277 |
/// algorithm it will contain the found minimum cost spanning |
|
| 276 |
/// - It can be a writable arc/edge map with \c bool value type. After |
|
| 277 |
/// running the algorithm it will contain the found minimum cost spanning |
|
| 278 | 278 |
/// tree: the value of an arc/edge will be set to \c true if it belongs |
| 279 | 279 |
/// to the tree, otherwise it will be set to \c false. The value of |
| 280 | 280 |
/// each arc/edge will be set exactly once. |
| 281 | 281 |
/// - It can also be an iteraror of an STL Container with |
| 282 | 282 |
/// <tt>GR::Arc</tt> or <tt>GR::Edge</tt> as its |
| 283 | 283 |
/// <tt>value_type</tt>. The algorithm copies the elements of the |
| 284 | 284 |
/// found tree into this sequence. For example, if we know that the |
| 285 | 285 |
/// spanning tree of the graph \c g has say 53 arcs, then we can |
| 286 | 286 |
/// put its arcs into an STL vector \c tree with a code like this. |
| 287 | 287 |
///\code |
| 288 | 288 |
/// std::vector<Arc> tree(53); |
| 289 | 289 |
/// kruskal(g,cost,tree.begin()); |
| 290 | 290 |
///\endcode |
| 291 | 291 |
/// Or if we don't know in advance the size of the tree, we can |
| 292 | 292 |
/// write this. |
| 293 | 293 |
///\code |
| 294 | 294 |
/// std::vector<Arc> tree; |
| 295 | 295 |
/// kruskal(g,cost,std::back_inserter(tree)); |
| 296 | 296 |
///\endcode |
| 297 | 297 |
/// |
| 298 | 298 |
/// \return The total cost of the found spanning tree. |
| 299 | 299 |
/// |
| 300 | 300 |
/// \note If the input graph is not (weakly) connected, a spanning |
| 301 | 301 |
/// forest is calculated instead of a spanning tree. |
| 302 | 302 |
|
| 303 | 303 |
#ifdef DOXYGEN |
| 304 |
template <class Graph, class In, class Out> |
|
| 305 |
Value kruskal(GR const& g, const In& in, Out& out) |
|
| 304 |
template <typename Graph, typename In, typename Out> |
|
| 305 |
Value kruskal(const Graph& g, const In& in, Out& out) |
|
| 306 | 306 |
#else |
| 307 | 307 |
template <class Graph, class In, class Out> |
| 308 | 308 |
inline typename _kruskal_bits::KruskalValueSelector<In>::Value |
| 309 | 309 |
kruskal(const Graph& graph, const In& in, Out& out) |
| 310 | 310 |
#endif |
| 311 | 311 |
{
|
| 312 | 312 |
return _kruskal_bits::KruskalInputSelector<Graph, In, Out>:: |
| 313 | 313 |
kruskal(graph, in, out); |
| 314 | 314 |
} |
| 315 | 315 |
|
| 316 | 316 |
|
| 317 |
|
|
| 318 |
|
|
| 319 | 317 |
template <class Graph, class In, class Out> |
| 320 | 318 |
inline typename _kruskal_bits::KruskalValueSelector<In>::Value |
| 321 | 319 |
kruskal(const Graph& graph, const In& in, const Out& out) |
| 322 | 320 |
{
|
| 323 | 321 |
return _kruskal_bits::KruskalInputSelector<Graph, In, const Out>:: |
| 324 | 322 |
kruskal(graph, in, out); |
| 325 | 323 |
} |
| 326 | 324 |
|
| 327 | 325 |
} //namespace lemon |
| 328 | 326 |
|
| 329 | 327 |
#endif //LEMON_KRUSKAL_H |
| ... | ... |
@@ -572,49 +572,49 @@ |
| 572 | 572 |
: _is(other._is), local_is(other.local_is), _digraph(other._digraph), |
| 573 | 573 |
_use_nodes(other._use_nodes), _use_arcs(other._use_arcs), |
| 574 | 574 |
_skip_nodes(other._skip_nodes), _skip_arcs(other._skip_arcs) {
|
| 575 | 575 |
|
| 576 | 576 |
other._is = 0; |
| 577 | 577 |
other.local_is = false; |
| 578 | 578 |
|
| 579 | 579 |
_node_index.swap(other._node_index); |
| 580 | 580 |
_arc_index.swap(other._arc_index); |
| 581 | 581 |
|
| 582 | 582 |
_node_maps.swap(other._node_maps); |
| 583 | 583 |
_arc_maps.swap(other._arc_maps); |
| 584 | 584 |
_attributes.swap(other._attributes); |
| 585 | 585 |
|
| 586 | 586 |
_nodes_caption = other._nodes_caption; |
| 587 | 587 |
_arcs_caption = other._arcs_caption; |
| 588 | 588 |
_attributes_caption = other._attributes_caption; |
| 589 | 589 |
|
| 590 | 590 |
} |
| 591 | 591 |
|
| 592 | 592 |
DigraphReader& operator=(const DigraphReader&); |
| 593 | 593 |
|
| 594 | 594 |
public: |
| 595 | 595 |
|
| 596 |
/// \name Reading |
|
| 596 |
/// \name Reading Rules |
|
| 597 | 597 |
/// @{
|
| 598 | 598 |
|
| 599 | 599 |
/// \brief Node map reading rule |
| 600 | 600 |
/// |
| 601 | 601 |
/// Add a node map reading rule to the reader. |
| 602 | 602 |
template <typename Map> |
| 603 | 603 |
DigraphReader& nodeMap(const std::string& caption, Map& map) {
|
| 604 | 604 |
checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>(); |
| 605 | 605 |
_reader_bits::MapStorageBase<Node>* storage = |
| 606 | 606 |
new _reader_bits::MapStorage<Node, Map>(map); |
| 607 | 607 |
_node_maps.push_back(std::make_pair(caption, storage)); |
| 608 | 608 |
return *this; |
| 609 | 609 |
} |
| 610 | 610 |
|
| 611 | 611 |
/// \brief Node map reading rule |
| 612 | 612 |
/// |
| 613 | 613 |
/// Add a node map reading rule with specialized converter to the |
| 614 | 614 |
/// reader. |
| 615 | 615 |
template <typename Map, typename Converter> |
| 616 | 616 |
DigraphReader& nodeMap(const std::string& caption, Map& map, |
| 617 | 617 |
const Converter& converter = Converter()) {
|
| 618 | 618 |
checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>(); |
| 619 | 619 |
_reader_bits::MapStorageBase<Node>* storage = |
| 620 | 620 |
new _reader_bits::MapStorage<Node, Map, Converter>(map, converter); |
| ... | ... |
@@ -677,78 +677,78 @@ |
| 677 | 677 |
/// Add a node reading rule to reader. |
| 678 | 678 |
DigraphReader& node(const std::string& caption, Node& node) {
|
| 679 | 679 |
typedef _reader_bits::MapLookUpConverter<Node> Converter; |
| 680 | 680 |
Converter converter(_node_index); |
| 681 | 681 |
_reader_bits::ValueStorageBase* storage = |
| 682 | 682 |
new _reader_bits::ValueStorage<Node, Converter>(node, converter); |
| 683 | 683 |
_attributes.insert(std::make_pair(caption, storage)); |
| 684 | 684 |
return *this; |
| 685 | 685 |
} |
| 686 | 686 |
|
| 687 | 687 |
/// \brief Arc reading rule |
| 688 | 688 |
/// |
| 689 | 689 |
/// Add an arc reading rule to reader. |
| 690 | 690 |
DigraphReader& arc(const std::string& caption, Arc& arc) {
|
| 691 | 691 |
typedef _reader_bits::MapLookUpConverter<Arc> Converter; |
| 692 | 692 |
Converter converter(_arc_index); |
| 693 | 693 |
_reader_bits::ValueStorageBase* storage = |
| 694 | 694 |
new _reader_bits::ValueStorage<Arc, Converter>(arc, converter); |
| 695 | 695 |
_attributes.insert(std::make_pair(caption, storage)); |
| 696 | 696 |
return *this; |
| 697 | 697 |
} |
| 698 | 698 |
|
| 699 | 699 |
/// @} |
| 700 | 700 |
|
| 701 |
/// \name Select |
|
| 701 |
/// \name Select Section by Name |
|
| 702 | 702 |
/// @{
|
| 703 | 703 |
|
| 704 | 704 |
/// \brief Set \c \@nodes section to be read |
| 705 | 705 |
/// |
| 706 | 706 |
/// Set \c \@nodes section to be read |
| 707 | 707 |
DigraphReader& nodes(const std::string& caption) {
|
| 708 | 708 |
_nodes_caption = caption; |
| 709 | 709 |
return *this; |
| 710 | 710 |
} |
| 711 | 711 |
|
| 712 | 712 |
/// \brief Set \c \@arcs section to be read |
| 713 | 713 |
/// |
| 714 | 714 |
/// Set \c \@arcs section to be read |
| 715 | 715 |
DigraphReader& arcs(const std::string& caption) {
|
| 716 | 716 |
_arcs_caption = caption; |
| 717 | 717 |
return *this; |
| 718 | 718 |
} |
| 719 | 719 |
|
| 720 | 720 |
/// \brief Set \c \@attributes section to be read |
| 721 | 721 |
/// |
| 722 | 722 |
/// Set \c \@attributes section to be read |
| 723 | 723 |
DigraphReader& attributes(const std::string& caption) {
|
| 724 | 724 |
_attributes_caption = caption; |
| 725 | 725 |
return *this; |
| 726 | 726 |
} |
| 727 | 727 |
|
| 728 | 728 |
/// @} |
| 729 | 729 |
|
| 730 |
/// \name Using |
|
| 730 |
/// \name Using Previously Constructed Node or Arc Set |
|
| 731 | 731 |
/// @{
|
| 732 | 732 |
|
| 733 | 733 |
/// \brief Use previously constructed node set |
| 734 | 734 |
/// |
| 735 | 735 |
/// Use previously constructed node set, and specify the node |
| 736 | 736 |
/// label map. |
| 737 | 737 |
template <typename Map> |
| 738 | 738 |
DigraphReader& useNodes(const Map& map) {
|
| 739 | 739 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 740 | 740 |
LEMON_ASSERT(!_use_nodes, "Multiple usage of useNodes() member"); |
| 741 | 741 |
_use_nodes = true; |
| 742 | 742 |
_writer_bits::DefaultConverter<typename Map::Value> converter; |
| 743 | 743 |
for (NodeIt n(_digraph); n != INVALID; ++n) {
|
| 744 | 744 |
_node_index.insert(std::make_pair(converter(map[n]), n)); |
| 745 | 745 |
} |
| 746 | 746 |
return *this; |
| 747 | 747 |
} |
| 748 | 748 |
|
| 749 | 749 |
/// \brief Use previously constructed node set |
| 750 | 750 |
/// |
| 751 | 751 |
/// Use previously constructed node set, and specify the node |
| 752 | 752 |
/// label map and a functor which converts the label map values to |
| 753 | 753 |
/// \c std::string. |
| 754 | 754 |
template <typename Map, typename Converter> |
| ... | ... |
@@ -1095,49 +1095,49 @@ |
| 1095 | 1095 |
{
|
| 1096 | 1096 |
typename Attributes::iterator it = _attributes.lower_bound(attr); |
| 1097 | 1097 |
while (it != _attributes.end() && it->first == attr) {
|
| 1098 | 1098 |
it->second->set(token); |
| 1099 | 1099 |
++it; |
| 1100 | 1100 |
} |
| 1101 | 1101 |
} |
| 1102 | 1102 |
|
| 1103 | 1103 |
} |
| 1104 | 1104 |
if (readSuccess()) {
|
| 1105 | 1105 |
line.putback(c); |
| 1106 | 1106 |
} |
| 1107 | 1107 |
for (typename Attributes::iterator it = _attributes.begin(); |
| 1108 | 1108 |
it != _attributes.end(); ++it) {
|
| 1109 | 1109 |
if (read_attr.find(it->first) == read_attr.end()) {
|
| 1110 | 1110 |
std::ostringstream msg; |
| 1111 | 1111 |
msg << "Attribute not found: " << it->first; |
| 1112 | 1112 |
throw FormatError(msg.str()); |
| 1113 | 1113 |
} |
| 1114 | 1114 |
} |
| 1115 | 1115 |
} |
| 1116 | 1116 |
|
| 1117 | 1117 |
public: |
| 1118 | 1118 |
|
| 1119 |
/// \name Execution of the |
|
| 1119 |
/// \name Execution of the Reader |
|
| 1120 | 1120 |
/// @{
|
| 1121 | 1121 |
|
| 1122 | 1122 |
/// \brief Start the batch processing |
| 1123 | 1123 |
/// |
| 1124 | 1124 |
/// This function starts the batch processing |
| 1125 | 1125 |
void run() {
|
| 1126 | 1126 |
LEMON_ASSERT(_is != 0, "This reader assigned to an other reader"); |
| 1127 | 1127 |
|
| 1128 | 1128 |
bool nodes_done = _skip_nodes; |
| 1129 | 1129 |
bool arcs_done = _skip_arcs; |
| 1130 | 1130 |
bool attributes_done = false; |
| 1131 | 1131 |
|
| 1132 | 1132 |
line_num = 0; |
| 1133 | 1133 |
readLine(); |
| 1134 | 1134 |
skipSection(); |
| 1135 | 1135 |
|
| 1136 | 1136 |
while (readSuccess()) {
|
| 1137 | 1137 |
try {
|
| 1138 | 1138 |
char c; |
| 1139 | 1139 |
std::string section, caption; |
| 1140 | 1140 |
line >> c; |
| 1141 | 1141 |
_reader_bits::readToken(line, section); |
| 1142 | 1142 |
_reader_bits::readToken(line, caption); |
| 1143 | 1143 |
|
| ... | ... |
@@ -1368,49 +1368,49 @@ |
| 1368 | 1368 |
: _is(other._is), local_is(other.local_is), _graph(other._graph), |
| 1369 | 1369 |
_use_nodes(other._use_nodes), _use_edges(other._use_edges), |
| 1370 | 1370 |
_skip_nodes(other._skip_nodes), _skip_edges(other._skip_edges) {
|
| 1371 | 1371 |
|
| 1372 | 1372 |
other._is = 0; |
| 1373 | 1373 |
other.local_is = false; |
| 1374 | 1374 |
|
| 1375 | 1375 |
_node_index.swap(other._node_index); |
| 1376 | 1376 |
_edge_index.swap(other._edge_index); |
| 1377 | 1377 |
|
| 1378 | 1378 |
_node_maps.swap(other._node_maps); |
| 1379 | 1379 |
_edge_maps.swap(other._edge_maps); |
| 1380 | 1380 |
_attributes.swap(other._attributes); |
| 1381 | 1381 |
|
| 1382 | 1382 |
_nodes_caption = other._nodes_caption; |
| 1383 | 1383 |
_edges_caption = other._edges_caption; |
| 1384 | 1384 |
_attributes_caption = other._attributes_caption; |
| 1385 | 1385 |
|
| 1386 | 1386 |
} |
| 1387 | 1387 |
|
| 1388 | 1388 |
GraphReader& operator=(const GraphReader&); |
| 1389 | 1389 |
|
| 1390 | 1390 |
public: |
| 1391 | 1391 |
|
| 1392 |
/// \name Reading |
|
| 1392 |
/// \name Reading Rules |
|
| 1393 | 1393 |
/// @{
|
| 1394 | 1394 |
|
| 1395 | 1395 |
/// \brief Node map reading rule |
| 1396 | 1396 |
/// |
| 1397 | 1397 |
/// Add a node map reading rule to the reader. |
| 1398 | 1398 |
template <typename Map> |
| 1399 | 1399 |
GraphReader& nodeMap(const std::string& caption, Map& map) {
|
| 1400 | 1400 |
checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>(); |
| 1401 | 1401 |
_reader_bits::MapStorageBase<Node>* storage = |
| 1402 | 1402 |
new _reader_bits::MapStorage<Node, Map>(map); |
| 1403 | 1403 |
_node_maps.push_back(std::make_pair(caption, storage)); |
| 1404 | 1404 |
return *this; |
| 1405 | 1405 |
} |
| 1406 | 1406 |
|
| 1407 | 1407 |
/// \brief Node map reading rule |
| 1408 | 1408 |
/// |
| 1409 | 1409 |
/// Add a node map reading rule with specialized converter to the |
| 1410 | 1410 |
/// reader. |
| 1411 | 1411 |
template <typename Map, typename Converter> |
| 1412 | 1412 |
GraphReader& nodeMap(const std::string& caption, Map& map, |
| 1413 | 1413 |
const Converter& converter = Converter()) {
|
| 1414 | 1414 |
checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>(); |
| 1415 | 1415 |
_reader_bits::MapStorageBase<Node>* storage = |
| 1416 | 1416 |
new _reader_bits::MapStorage<Node, Map, Converter>(map, converter); |
| ... | ... |
@@ -1519,78 +1519,78 @@ |
| 1519 | 1519 |
/// Add an edge reading rule to reader. |
| 1520 | 1520 |
GraphReader& edge(const std::string& caption, Edge& edge) {
|
| 1521 | 1521 |
typedef _reader_bits::MapLookUpConverter<Edge> Converter; |
| 1522 | 1522 |
Converter converter(_edge_index); |
| 1523 | 1523 |
_reader_bits::ValueStorageBase* storage = |
| 1524 | 1524 |
new _reader_bits::ValueStorage<Edge, Converter>(edge, converter); |
| 1525 | 1525 |
_attributes.insert(std::make_pair(caption, storage)); |
| 1526 | 1526 |
return *this; |
| 1527 | 1527 |
} |
| 1528 | 1528 |
|
| 1529 | 1529 |
/// \brief Arc reading rule |
| 1530 | 1530 |
/// |
| 1531 | 1531 |
/// Add an arc reading rule to reader. |
| 1532 | 1532 |
GraphReader& arc(const std::string& caption, Arc& arc) {
|
| 1533 | 1533 |
typedef _reader_bits::GraphArcLookUpConverter<Graph> Converter; |
| 1534 | 1534 |
Converter converter(_graph, _edge_index); |
| 1535 | 1535 |
_reader_bits::ValueStorageBase* storage = |
| 1536 | 1536 |
new _reader_bits::ValueStorage<Arc, Converter>(arc, converter); |
| 1537 | 1537 |
_attributes.insert(std::make_pair(caption, storage)); |
| 1538 | 1538 |
return *this; |
| 1539 | 1539 |
} |
| 1540 | 1540 |
|
| 1541 | 1541 |
/// @} |
| 1542 | 1542 |
|
| 1543 |
/// \name Select |
|
| 1543 |
/// \name Select Section by Name |
|
| 1544 | 1544 |
/// @{
|
| 1545 | 1545 |
|
| 1546 | 1546 |
/// \brief Set \c \@nodes section to be read |
| 1547 | 1547 |
/// |
| 1548 | 1548 |
/// Set \c \@nodes section to be read. |
| 1549 | 1549 |
GraphReader& nodes(const std::string& caption) {
|
| 1550 | 1550 |
_nodes_caption = caption; |
| 1551 | 1551 |
return *this; |
| 1552 | 1552 |
} |
| 1553 | 1553 |
|
| 1554 | 1554 |
/// \brief Set \c \@edges section to be read |
| 1555 | 1555 |
/// |
| 1556 | 1556 |
/// Set \c \@edges section to be read. |
| 1557 | 1557 |
GraphReader& edges(const std::string& caption) {
|
| 1558 | 1558 |
_edges_caption = caption; |
| 1559 | 1559 |
return *this; |
| 1560 | 1560 |
} |
| 1561 | 1561 |
|
| 1562 | 1562 |
/// \brief Set \c \@attributes section to be read |
| 1563 | 1563 |
/// |
| 1564 | 1564 |
/// Set \c \@attributes section to be read. |
| 1565 | 1565 |
GraphReader& attributes(const std::string& caption) {
|
| 1566 | 1566 |
_attributes_caption = caption; |
| 1567 | 1567 |
return *this; |
| 1568 | 1568 |
} |
| 1569 | 1569 |
|
| 1570 | 1570 |
/// @} |
| 1571 | 1571 |
|
| 1572 |
/// \name Using |
|
| 1572 |
/// \name Using Previously Constructed Node or Edge Set |
|
| 1573 | 1573 |
/// @{
|
| 1574 | 1574 |
|
| 1575 | 1575 |
/// \brief Use previously constructed node set |
| 1576 | 1576 |
/// |
| 1577 | 1577 |
/// Use previously constructed node set, and specify the node |
| 1578 | 1578 |
/// label map. |
| 1579 | 1579 |
template <typename Map> |
| 1580 | 1580 |
GraphReader& useNodes(const Map& map) {
|
| 1581 | 1581 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 1582 | 1582 |
LEMON_ASSERT(!_use_nodes, "Multiple usage of useNodes() member"); |
| 1583 | 1583 |
_use_nodes = true; |
| 1584 | 1584 |
_writer_bits::DefaultConverter<typename Map::Value> converter; |
| 1585 | 1585 |
for (NodeIt n(_graph); n != INVALID; ++n) {
|
| 1586 | 1586 |
_node_index.insert(std::make_pair(converter(map[n]), n)); |
| 1587 | 1587 |
} |
| 1588 | 1588 |
return *this; |
| 1589 | 1589 |
} |
| 1590 | 1590 |
|
| 1591 | 1591 |
/// \brief Use previously constructed node set |
| 1592 | 1592 |
/// |
| 1593 | 1593 |
/// Use previously constructed node set, and specify the node |
| 1594 | 1594 |
/// label map and a functor which converts the label map values to |
| 1595 | 1595 |
/// \c std::string. |
| 1596 | 1596 |
template <typename Map, typename Converter> |
| ... | ... |
@@ -1938,49 +1938,49 @@ |
| 1938 | 1938 |
{
|
| 1939 | 1939 |
typename Attributes::iterator it = _attributes.lower_bound(attr); |
| 1940 | 1940 |
while (it != _attributes.end() && it->first == attr) {
|
| 1941 | 1941 |
it->second->set(token); |
| 1942 | 1942 |
++it; |
| 1943 | 1943 |
} |
| 1944 | 1944 |
} |
| 1945 | 1945 |
|
| 1946 | 1946 |
} |
| 1947 | 1947 |
if (readSuccess()) {
|
| 1948 | 1948 |
line.putback(c); |
| 1949 | 1949 |
} |
| 1950 | 1950 |
for (typename Attributes::iterator it = _attributes.begin(); |
| 1951 | 1951 |
it != _attributes.end(); ++it) {
|
| 1952 | 1952 |
if (read_attr.find(it->first) == read_attr.end()) {
|
| 1953 | 1953 |
std::ostringstream msg; |
| 1954 | 1954 |
msg << "Attribute not found: " << it->first; |
| 1955 | 1955 |
throw FormatError(msg.str()); |
| 1956 | 1956 |
} |
| 1957 | 1957 |
} |
| 1958 | 1958 |
} |
| 1959 | 1959 |
|
| 1960 | 1960 |
public: |
| 1961 | 1961 |
|
| 1962 |
/// \name Execution of the |
|
| 1962 |
/// \name Execution of the Reader |
|
| 1963 | 1963 |
/// @{
|
| 1964 | 1964 |
|
| 1965 | 1965 |
/// \brief Start the batch processing |
| 1966 | 1966 |
/// |
| 1967 | 1967 |
/// This function starts the batch processing |
| 1968 | 1968 |
void run() {
|
| 1969 | 1969 |
|
| 1970 | 1970 |
LEMON_ASSERT(_is != 0, "This reader assigned to an other reader"); |
| 1971 | 1971 |
|
| 1972 | 1972 |
bool nodes_done = _skip_nodes; |
| 1973 | 1973 |
bool edges_done = _skip_edges; |
| 1974 | 1974 |
bool attributes_done = false; |
| 1975 | 1975 |
|
| 1976 | 1976 |
line_num = 0; |
| 1977 | 1977 |
readLine(); |
| 1978 | 1978 |
skipSection(); |
| 1979 | 1979 |
|
| 1980 | 1980 |
while (readSuccess()) {
|
| 1981 | 1981 |
try {
|
| 1982 | 1982 |
char c; |
| 1983 | 1983 |
std::string section, caption; |
| 1984 | 1984 |
line >> c; |
| 1985 | 1985 |
_reader_bits::readToken(line, section); |
| 1986 | 1986 |
_reader_bits::readToken(line, caption); |
| ... | ... |
@@ -2137,49 +2137,49 @@ |
| 2137 | 2137 |
delete _is; |
| 2138 | 2138 |
} |
| 2139 | 2139 |
|
| 2140 | 2140 |
} |
| 2141 | 2141 |
|
| 2142 | 2142 |
private: |
| 2143 | 2143 |
|
| 2144 | 2144 |
friend SectionReader sectionReader(std::istream& is); |
| 2145 | 2145 |
friend SectionReader sectionReader(const std::string& fn); |
| 2146 | 2146 |
friend SectionReader sectionReader(const char* fn); |
| 2147 | 2147 |
|
| 2148 | 2148 |
SectionReader(SectionReader& other) |
| 2149 | 2149 |
: _is(other._is), local_is(other.local_is) {
|
| 2150 | 2150 |
|
| 2151 | 2151 |
other._is = 0; |
| 2152 | 2152 |
other.local_is = false; |
| 2153 | 2153 |
|
| 2154 | 2154 |
_sections.swap(other._sections); |
| 2155 | 2155 |
} |
| 2156 | 2156 |
|
| 2157 | 2157 |
SectionReader& operator=(const SectionReader&); |
| 2158 | 2158 |
|
| 2159 | 2159 |
public: |
| 2160 | 2160 |
|
| 2161 |
/// \name Section |
|
| 2161 |
/// \name Section Readers |
|
| 2162 | 2162 |
/// @{
|
| 2163 | 2163 |
|
| 2164 | 2164 |
/// \brief Add a section processor with line oriented reading |
| 2165 | 2165 |
/// |
| 2166 | 2166 |
/// The first parameter is the type descriptor of the section, the |
| 2167 | 2167 |
/// second is a functor, which takes just one \c std::string |
| 2168 | 2168 |
/// parameter. At the reading process, each line of the section |
| 2169 | 2169 |
/// will be given to the functor object. However, the empty lines |
| 2170 | 2170 |
/// and the comment lines are filtered out, and the leading |
| 2171 | 2171 |
/// whitespaces are trimmed from each processed string. |
| 2172 | 2172 |
/// |
| 2173 | 2173 |
/// For example let's see a section, which contain several |
| 2174 | 2174 |
/// integers, which should be inserted into a vector. |
| 2175 | 2175 |
///\code |
| 2176 | 2176 |
/// @numbers |
| 2177 | 2177 |
/// 12 45 23 |
| 2178 | 2178 |
/// 4 |
| 2179 | 2179 |
/// 23 6 |
| 2180 | 2180 |
///\endcode |
| 2181 | 2181 |
/// |
| 2182 | 2182 |
/// The functor is implemented as a struct: |
| 2183 | 2183 |
///\code |
| 2184 | 2184 |
/// struct NumberSection {
|
| 2185 | 2185 |
/// std::vector<int>& _data; |
| ... | ... |
@@ -2236,49 +2236,49 @@ |
| 2236 | 2236 |
line.putback(c); |
| 2237 | 2237 |
return true; |
| 2238 | 2238 |
} |
| 2239 | 2239 |
} |
| 2240 | 2240 |
return false; |
| 2241 | 2241 |
} |
| 2242 | 2242 |
|
| 2243 | 2243 |
bool readSuccess() {
|
| 2244 | 2244 |
return static_cast<bool>(*_is); |
| 2245 | 2245 |
} |
| 2246 | 2246 |
|
| 2247 | 2247 |
void skipSection() {
|
| 2248 | 2248 |
char c; |
| 2249 | 2249 |
while (readSuccess() && line >> c && c != '@') {
|
| 2250 | 2250 |
readLine(); |
| 2251 | 2251 |
} |
| 2252 | 2252 |
if (readSuccess()) {
|
| 2253 | 2253 |
line.putback(c); |
| 2254 | 2254 |
} |
| 2255 | 2255 |
} |
| 2256 | 2256 |
|
| 2257 | 2257 |
public: |
| 2258 | 2258 |
|
| 2259 | 2259 |
|
| 2260 |
/// \name Execution of the |
|
| 2260 |
/// \name Execution of the Reader |
|
| 2261 | 2261 |
/// @{
|
| 2262 | 2262 |
|
| 2263 | 2263 |
/// \brief Start the batch processing |
| 2264 | 2264 |
/// |
| 2265 | 2265 |
/// This function starts the batch processing. |
| 2266 | 2266 |
void run() {
|
| 2267 | 2267 |
|
| 2268 | 2268 |
LEMON_ASSERT(_is != 0, "This reader assigned to an other reader"); |
| 2269 | 2269 |
|
| 2270 | 2270 |
std::set<std::string> extra_sections; |
| 2271 | 2271 |
|
| 2272 | 2272 |
line_num = 0; |
| 2273 | 2273 |
readLine(); |
| 2274 | 2274 |
skipSection(); |
| 2275 | 2275 |
|
| 2276 | 2276 |
while (readSuccess()) {
|
| 2277 | 2277 |
try {
|
| 2278 | 2278 |
char c; |
| 2279 | 2279 |
std::string section, caption; |
| 2280 | 2280 |
line >> c; |
| 2281 | 2281 |
_reader_bits::readToken(line, section); |
| 2282 | 2282 |
_reader_bits::readToken(line, caption); |
| 2283 | 2283 |
|
| 2284 | 2284 |
if (line >> c) |
| ... | ... |
@@ -2418,75 +2418,75 @@ |
| 2418 | 2418 |
/// |
| 2419 | 2419 |
/// Construct an \e LGF contents reader, which reads from the given |
| 2420 | 2420 |
/// file. |
| 2421 | 2421 |
LgfContents(const char* fn) |
| 2422 | 2422 |
: _is(new std::ifstream(fn)), local_is(true) {
|
| 2423 | 2423 |
if (!(*_is)) {
|
| 2424 | 2424 |
delete _is; |
| 2425 | 2425 |
throw IoError("Cannot open file", fn);
|
| 2426 | 2426 |
} |
| 2427 | 2427 |
} |
| 2428 | 2428 |
|
| 2429 | 2429 |
/// \brief Destructor |
| 2430 | 2430 |
~LgfContents() {
|
| 2431 | 2431 |
if (local_is) delete _is; |
| 2432 | 2432 |
} |
| 2433 | 2433 |
|
| 2434 | 2434 |
private: |
| 2435 | 2435 |
|
| 2436 | 2436 |
LgfContents(const LgfContents&); |
| 2437 | 2437 |
LgfContents& operator=(const LgfContents&); |
| 2438 | 2438 |
|
| 2439 | 2439 |
public: |
| 2440 | 2440 |
|
| 2441 | 2441 |
|
| 2442 |
/// \name Node |
|
| 2442 |
/// \name Node Sections |
|
| 2443 | 2443 |
/// @{
|
| 2444 | 2444 |
|
| 2445 | 2445 |
/// \brief Gives back the number of node sections in the file. |
| 2446 | 2446 |
/// |
| 2447 | 2447 |
/// Gives back the number of node sections in the file. |
| 2448 | 2448 |
int nodeSectionNum() const {
|
| 2449 | 2449 |
return _node_sections.size(); |
| 2450 | 2450 |
} |
| 2451 | 2451 |
|
| 2452 | 2452 |
/// \brief Returns the node section name at the given position. |
| 2453 | 2453 |
/// |
| 2454 | 2454 |
/// Returns the node section name at the given position. |
| 2455 | 2455 |
const std::string& nodeSection(int i) const {
|
| 2456 | 2456 |
return _node_sections[i]; |
| 2457 | 2457 |
} |
| 2458 | 2458 |
|
| 2459 | 2459 |
/// \brief Gives back the node maps for the given section. |
| 2460 | 2460 |
/// |
| 2461 | 2461 |
/// Gives back the node maps for the given section. |
| 2462 | 2462 |
const std::vector<std::string>& nodeMapNames(int i) const {
|
| 2463 | 2463 |
return _node_maps[i]; |
| 2464 | 2464 |
} |
| 2465 | 2465 |
|
| 2466 | 2466 |
/// @} |
| 2467 | 2467 |
|
| 2468 |
/// \name Arc/Edge |
|
| 2468 |
/// \name Arc/Edge Sections |
|
| 2469 | 2469 |
/// @{
|
| 2470 | 2470 |
|
| 2471 | 2471 |
/// \brief Gives back the number of arc/edge sections in the file. |
| 2472 | 2472 |
/// |
| 2473 | 2473 |
/// Gives back the number of arc/edge sections in the file. |
| 2474 | 2474 |
/// \note It is synonym of \c edgeSectionNum(). |
| 2475 | 2475 |
int arcSectionNum() const {
|
| 2476 | 2476 |
return _edge_sections.size(); |
| 2477 | 2477 |
} |
| 2478 | 2478 |
|
| 2479 | 2479 |
/// \brief Returns the arc/edge section name at the given position. |
| 2480 | 2480 |
/// |
| 2481 | 2481 |
/// Returns the arc/edge section name at the given position. |
| 2482 | 2482 |
/// \note It is synonym of \c edgeSection(). |
| 2483 | 2483 |
const std::string& arcSection(int i) const {
|
| 2484 | 2484 |
return _edge_sections[i]; |
| 2485 | 2485 |
} |
| 2486 | 2486 |
|
| 2487 | 2487 |
/// \brief Gives back the arc/edge maps for the given section. |
| 2488 | 2488 |
/// |
| 2489 | 2489 |
/// Gives back the arc/edge maps for the given section. |
| 2490 | 2490 |
/// \note It is synonym of \c edgeMapNames(). |
| 2491 | 2491 |
const std::vector<std::string>& arcMapNames(int i) const {
|
| 2492 | 2492 |
return _edge_maps[i]; |
| ... | ... |
@@ -2502,75 +2502,75 @@ |
| 2502 | 2502 |
/// Gives back the number of arc/edge sections in the file. |
| 2503 | 2503 |
/// \note It is synonym of \c arcSectionNum(). |
| 2504 | 2504 |
int edgeSectionNum() const {
|
| 2505 | 2505 |
return _edge_sections.size(); |
| 2506 | 2506 |
} |
| 2507 | 2507 |
|
| 2508 | 2508 |
/// \brief Returns the section name at the given position. |
| 2509 | 2509 |
/// |
| 2510 | 2510 |
/// Returns the section name at the given position. |
| 2511 | 2511 |
/// \note It is synonym of \c arcSection(). |
| 2512 | 2512 |
const std::string& edgeSection(int i) const {
|
| 2513 | 2513 |
return _edge_sections[i]; |
| 2514 | 2514 |
} |
| 2515 | 2515 |
|
| 2516 | 2516 |
/// \brief Gives back the edge maps for the given section. |
| 2517 | 2517 |
/// |
| 2518 | 2518 |
/// Gives back the edge maps for the given section. |
| 2519 | 2519 |
/// \note It is synonym of \c arcMapNames(). |
| 2520 | 2520 |
const std::vector<std::string>& edgeMapNames(int i) const {
|
| 2521 | 2521 |
return _edge_maps[i]; |
| 2522 | 2522 |
} |
| 2523 | 2523 |
|
| 2524 | 2524 |
/// @} |
| 2525 | 2525 |
|
| 2526 |
/// \name Attribute |
|
| 2526 |
/// \name Attribute Sections |
|
| 2527 | 2527 |
/// @{
|
| 2528 | 2528 |
|
| 2529 | 2529 |
/// \brief Gives back the number of attribute sections in the file. |
| 2530 | 2530 |
/// |
| 2531 | 2531 |
/// Gives back the number of attribute sections in the file. |
| 2532 | 2532 |
int attributeSectionNum() const {
|
| 2533 | 2533 |
return _attribute_sections.size(); |
| 2534 | 2534 |
} |
| 2535 | 2535 |
|
| 2536 | 2536 |
/// \brief Returns the attribute section name at the given position. |
| 2537 | 2537 |
/// |
| 2538 | 2538 |
/// Returns the attribute section name at the given position. |
| 2539 | 2539 |
const std::string& attributeSectionNames(int i) const {
|
| 2540 | 2540 |
return _attribute_sections[i]; |
| 2541 | 2541 |
} |
| 2542 | 2542 |
|
| 2543 | 2543 |
/// \brief Gives back the attributes for the given section. |
| 2544 | 2544 |
/// |
| 2545 | 2545 |
/// Gives back the attributes for the given section. |
| 2546 | 2546 |
const std::vector<std::string>& attributes(int i) const {
|
| 2547 | 2547 |
return _attributes[i]; |
| 2548 | 2548 |
} |
| 2549 | 2549 |
|
| 2550 | 2550 |
/// @} |
| 2551 | 2551 |
|
| 2552 |
/// \name Extra |
|
| 2552 |
/// \name Extra Sections |
|
| 2553 | 2553 |
/// @{
|
| 2554 | 2554 |
|
| 2555 | 2555 |
/// \brief Gives back the number of extra sections in the file. |
| 2556 | 2556 |
/// |
| 2557 | 2557 |
/// Gives back the number of extra sections in the file. |
| 2558 | 2558 |
int extraSectionNum() const {
|
| 2559 | 2559 |
return _extra_sections.size(); |
| 2560 | 2560 |
} |
| 2561 | 2561 |
|
| 2562 | 2562 |
/// \brief Returns the extra section type at the given position. |
| 2563 | 2563 |
/// |
| 2564 | 2564 |
/// Returns the section type at the given position. |
| 2565 | 2565 |
const std::string& extraSection(int i) const {
|
| 2566 | 2566 |
return _extra_sections[i]; |
| 2567 | 2567 |
} |
| 2568 | 2568 |
|
| 2569 | 2569 |
/// @} |
| 2570 | 2570 |
|
| 2571 | 2571 |
private: |
| 2572 | 2572 |
|
| 2573 | 2573 |
bool readLine() {
|
| 2574 | 2574 |
std::string str; |
| 2575 | 2575 |
while(++line_num, std::getline(*_is, str)) {
|
| 2576 | 2576 |
line.clear(); line.str(str); |
| ... | ... |
@@ -2604,49 +2604,49 @@ |
| 2604 | 2604 |
return; |
| 2605 | 2605 |
} |
| 2606 | 2606 |
line.putback(c); |
| 2607 | 2607 |
std::string map; |
| 2608 | 2608 |
while (_reader_bits::readToken(line, map)) {
|
| 2609 | 2609 |
maps.push_back(map); |
| 2610 | 2610 |
} |
| 2611 | 2611 |
} |
| 2612 | 2612 |
|
| 2613 | 2613 |
void readAttributes(std::vector<std::string>& attrs) {
|
| 2614 | 2614 |
readLine(); |
| 2615 | 2615 |
char c; |
| 2616 | 2616 |
while (readSuccess() && line >> c && c != '@') {
|
| 2617 | 2617 |
line.putback(c); |
| 2618 | 2618 |
std::string attr; |
| 2619 | 2619 |
_reader_bits::readToken(line, attr); |
| 2620 | 2620 |
attrs.push_back(attr); |
| 2621 | 2621 |
readLine(); |
| 2622 | 2622 |
} |
| 2623 | 2623 |
line.putback(c); |
| 2624 | 2624 |
} |
| 2625 | 2625 |
|
| 2626 | 2626 |
public: |
| 2627 | 2627 |
|
| 2628 |
/// \name Execution of the |
|
| 2628 |
/// \name Execution of the Contents Reader |
|
| 2629 | 2629 |
/// @{
|
| 2630 | 2630 |
|
| 2631 | 2631 |
/// \brief Starts the reading |
| 2632 | 2632 |
/// |
| 2633 | 2633 |
/// This function starts the reading. |
| 2634 | 2634 |
void run() {
|
| 2635 | 2635 |
|
| 2636 | 2636 |
readLine(); |
| 2637 | 2637 |
skipSection(); |
| 2638 | 2638 |
|
| 2639 | 2639 |
while (readSuccess()) {
|
| 2640 | 2640 |
|
| 2641 | 2641 |
char c; |
| 2642 | 2642 |
line >> c; |
| 2643 | 2643 |
|
| 2644 | 2644 |
std::string section, caption; |
| 2645 | 2645 |
_reader_bits::readToken(line, section); |
| 2646 | 2646 |
_reader_bits::readToken(line, caption); |
| 2647 | 2647 |
|
| 2648 | 2648 |
if (section == "nodes") {
|
| 2649 | 2649 |
_node_sections.push_back(caption); |
| 2650 | 2650 |
_node_maps.push_back(std::vector<std::string>()); |
| 2651 | 2651 |
readMaps(_node_maps.back()); |
| 2652 | 2652 |
readLine(); skipSection(); |
| ... | ... |
@@ -517,49 +517,49 @@ |
| 517 | 517 |
|
| 518 | 518 |
DigraphWriter(DigraphWriter& other) |
| 519 | 519 |
: _os(other._os), local_os(other.local_os), _digraph(other._digraph), |
| 520 | 520 |
_skip_nodes(other._skip_nodes), _skip_arcs(other._skip_arcs) {
|
| 521 | 521 |
|
| 522 | 522 |
other._os = 0; |
| 523 | 523 |
other.local_os = false; |
| 524 | 524 |
|
| 525 | 525 |
_node_index.swap(other._node_index); |
| 526 | 526 |
_arc_index.swap(other._arc_index); |
| 527 | 527 |
|
| 528 | 528 |
_node_maps.swap(other._node_maps); |
| 529 | 529 |
_arc_maps.swap(other._arc_maps); |
| 530 | 530 |
_attributes.swap(other._attributes); |
| 531 | 531 |
|
| 532 | 532 |
_nodes_caption = other._nodes_caption; |
| 533 | 533 |
_arcs_caption = other._arcs_caption; |
| 534 | 534 |
_attributes_caption = other._attributes_caption; |
| 535 | 535 |
} |
| 536 | 536 |
|
| 537 | 537 |
DigraphWriter& operator=(const DigraphWriter&); |
| 538 | 538 |
|
| 539 | 539 |
public: |
| 540 | 540 |
|
| 541 |
/// \name Writing |
|
| 541 |
/// \name Writing Rules |
|
| 542 | 542 |
/// @{
|
| 543 | 543 |
|
| 544 | 544 |
/// \brief Node map writing rule |
| 545 | 545 |
/// |
| 546 | 546 |
/// Add a node map writing rule to the writer. |
| 547 | 547 |
template <typename Map> |
| 548 | 548 |
DigraphWriter& nodeMap(const std::string& caption, const Map& map) {
|
| 549 | 549 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 550 | 550 |
_writer_bits::MapStorageBase<Node>* storage = |
| 551 | 551 |
new _writer_bits::MapStorage<Node, Map>(map); |
| 552 | 552 |
_node_maps.push_back(std::make_pair(caption, storage)); |
| 553 | 553 |
return *this; |
| 554 | 554 |
} |
| 555 | 555 |
|
| 556 | 556 |
/// \brief Node map writing rule |
| 557 | 557 |
/// |
| 558 | 558 |
/// Add a node map writing rule with specialized converter to the |
| 559 | 559 |
/// writer. |
| 560 | 560 |
template <typename Map, typename Converter> |
| 561 | 561 |
DigraphWriter& nodeMap(const std::string& caption, const Map& map, |
| 562 | 562 |
const Converter& converter = Converter()) {
|
| 563 | 563 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 564 | 564 |
_writer_bits::MapStorageBase<Node>* storage = |
| 565 | 565 |
new _writer_bits::MapStorage<Node, Map, Converter>(map, converter); |
| ... | ... |
@@ -620,76 +620,76 @@ |
| 620 | 620 |
/// \brief Node writing rule |
| 621 | 621 |
/// |
| 622 | 622 |
/// Add a node writing rule to the writer. |
| 623 | 623 |
DigraphWriter& node(const std::string& caption, const Node& node) {
|
| 624 | 624 |
typedef _writer_bits::MapLookUpConverter<Node> Converter; |
| 625 | 625 |
Converter converter(_node_index); |
| 626 | 626 |
_writer_bits::ValueStorageBase* storage = |
| 627 | 627 |
new _writer_bits::ValueStorage<Node, Converter>(node, converter); |
| 628 | 628 |
_attributes.push_back(std::make_pair(caption, storage)); |
| 629 | 629 |
return *this; |
| 630 | 630 |
} |
| 631 | 631 |
|
| 632 | 632 |
/// \brief Arc writing rule |
| 633 | 633 |
/// |
| 634 | 634 |
/// Add an arc writing rule to writer. |
| 635 | 635 |
DigraphWriter& arc(const std::string& caption, const Arc& arc) {
|
| 636 | 636 |
typedef _writer_bits::MapLookUpConverter<Arc> Converter; |
| 637 | 637 |
Converter converter(_arc_index); |
| 638 | 638 |
_writer_bits::ValueStorageBase* storage = |
| 639 | 639 |
new _writer_bits::ValueStorage<Arc, Converter>(arc, converter); |
| 640 | 640 |
_attributes.push_back(std::make_pair(caption, storage)); |
| 641 | 641 |
return *this; |
| 642 | 642 |
} |
| 643 | 643 |
|
| 644 |
/// \name Section |
|
| 644 |
/// \name Section Captions |
|
| 645 | 645 |
/// @{
|
| 646 | 646 |
|
| 647 | 647 |
/// \brief Add an additional caption to the \c \@nodes section |
| 648 | 648 |
/// |
| 649 | 649 |
/// Add an additional caption to the \c \@nodes section. |
| 650 | 650 |
DigraphWriter& nodes(const std::string& caption) {
|
| 651 | 651 |
_nodes_caption = caption; |
| 652 | 652 |
return *this; |
| 653 | 653 |
} |
| 654 | 654 |
|
| 655 | 655 |
/// \brief Add an additional caption to the \c \@arcs section |
| 656 | 656 |
/// |
| 657 | 657 |
/// Add an additional caption to the \c \@arcs section. |
| 658 | 658 |
DigraphWriter& arcs(const std::string& caption) {
|
| 659 | 659 |
_arcs_caption = caption; |
| 660 | 660 |
return *this; |
| 661 | 661 |
} |
| 662 | 662 |
|
| 663 | 663 |
/// \brief Add an additional caption to the \c \@attributes section |
| 664 | 664 |
/// |
| 665 | 665 |
/// Add an additional caption to the \c \@attributes section. |
| 666 | 666 |
DigraphWriter& attributes(const std::string& caption) {
|
| 667 | 667 |
_attributes_caption = caption; |
| 668 | 668 |
return *this; |
| 669 | 669 |
} |
| 670 | 670 |
|
| 671 |
/// \name Skipping |
|
| 671 |
/// \name Skipping Section |
|
| 672 | 672 |
/// @{
|
| 673 | 673 |
|
| 674 | 674 |
/// \brief Skip writing the node set |
| 675 | 675 |
/// |
| 676 | 676 |
/// The \c \@nodes section will not be written to the stream. |
| 677 | 677 |
DigraphWriter& skipNodes() {
|
| 678 | 678 |
LEMON_ASSERT(!_skip_nodes, "Multiple usage of skipNodes() member"); |
| 679 | 679 |
_skip_nodes = true; |
| 680 | 680 |
return *this; |
| 681 | 681 |
} |
| 682 | 682 |
|
| 683 | 683 |
/// \brief Skip writing arc set |
| 684 | 684 |
/// |
| 685 | 685 |
/// The \c \@arcs section will not be written to the stream. |
| 686 | 686 |
DigraphWriter& skipArcs() {
|
| 687 | 687 |
LEMON_ASSERT(!_skip_arcs, "Multiple usage of skipArcs() member"); |
| 688 | 688 |
_skip_arcs = true; |
| 689 | 689 |
return *this; |
| 690 | 690 |
} |
| 691 | 691 |
|
| 692 | 692 |
/// @} |
| 693 | 693 |
|
| 694 | 694 |
private: |
| 695 | 695 |
|
| ... | ... |
@@ -864,49 +864,49 @@ |
| 864 | 864 |
for (ArcIt a(_digraph); a != INVALID; ++a) {
|
| 865 | 865 |
std::string value = label->get(a); |
| 866 | 866 |
_arc_index.insert(std::make_pair(a, value)); |
| 867 | 867 |
} |
| 868 | 868 |
} |
| 869 | 869 |
} |
| 870 | 870 |
|
| 871 | 871 |
void writeAttributes() {
|
| 872 | 872 |
if (_attributes.empty()) return; |
| 873 | 873 |
*_os << "@attributes"; |
| 874 | 874 |
if (!_attributes_caption.empty()) {
|
| 875 | 875 |
_writer_bits::writeToken(*_os << ' ', _attributes_caption); |
| 876 | 876 |
} |
| 877 | 877 |
*_os << std::endl; |
| 878 | 878 |
for (typename Attributes::iterator it = _attributes.begin(); |
| 879 | 879 |
it != _attributes.end(); ++it) {
|
| 880 | 880 |
_writer_bits::writeToken(*_os, it->first) << ' '; |
| 881 | 881 |
_writer_bits::writeToken(*_os, it->second->get()); |
| 882 | 882 |
*_os << std::endl; |
| 883 | 883 |
} |
| 884 | 884 |
} |
| 885 | 885 |
|
| 886 | 886 |
public: |
| 887 | 887 |
|
| 888 |
/// \name Execution of the |
|
| 888 |
/// \name Execution of the Writer |
|
| 889 | 889 |
/// @{
|
| 890 | 890 |
|
| 891 | 891 |
/// \brief Start the batch processing |
| 892 | 892 |
/// |
| 893 | 893 |
/// This function starts the batch processing. |
| 894 | 894 |
void run() {
|
| 895 | 895 |
if (!_skip_nodes) {
|
| 896 | 896 |
writeNodes(); |
| 897 | 897 |
} else {
|
| 898 | 898 |
createNodeIndex(); |
| 899 | 899 |
} |
| 900 | 900 |
if (!_skip_arcs) {
|
| 901 | 901 |
writeArcs(); |
| 902 | 902 |
} else {
|
| 903 | 903 |
createArcIndex(); |
| 904 | 904 |
} |
| 905 | 905 |
writeAttributes(); |
| 906 | 906 |
} |
| 907 | 907 |
|
| 908 | 908 |
/// \brief Give back the stream of the writer |
| 909 | 909 |
/// |
| 910 | 910 |
/// Give back the stream of the writer. |
| 911 | 911 |
std::ostream& ostream() {
|
| 912 | 912 |
return *_os; |
| ... | ... |
@@ -1085,49 +1085,49 @@ |
| 1085 | 1085 |
|
| 1086 | 1086 |
GraphWriter(GraphWriter& other) |
| 1087 | 1087 |
: _os(other._os), local_os(other.local_os), _graph(other._graph), |
| 1088 | 1088 |
_skip_nodes(other._skip_nodes), _skip_edges(other._skip_edges) {
|
| 1089 | 1089 |
|
| 1090 | 1090 |
other._os = 0; |
| 1091 | 1091 |
other.local_os = false; |
| 1092 | 1092 |
|
| 1093 | 1093 |
_node_index.swap(other._node_index); |
| 1094 | 1094 |
_edge_index.swap(other._edge_index); |
| 1095 | 1095 |
|
| 1096 | 1096 |
_node_maps.swap(other._node_maps); |
| 1097 | 1097 |
_edge_maps.swap(other._edge_maps); |
| 1098 | 1098 |
_attributes.swap(other._attributes); |
| 1099 | 1099 |
|
| 1100 | 1100 |
_nodes_caption = other._nodes_caption; |
| 1101 | 1101 |
_edges_caption = other._edges_caption; |
| 1102 | 1102 |
_attributes_caption = other._attributes_caption; |
| 1103 | 1103 |
} |
| 1104 | 1104 |
|
| 1105 | 1105 |
GraphWriter& operator=(const GraphWriter&); |
| 1106 | 1106 |
|
| 1107 | 1107 |
public: |
| 1108 | 1108 |
|
| 1109 |
/// \name Writing |
|
| 1109 |
/// \name Writing Rules |
|
| 1110 | 1110 |
/// @{
|
| 1111 | 1111 |
|
| 1112 | 1112 |
/// \brief Node map writing rule |
| 1113 | 1113 |
/// |
| 1114 | 1114 |
/// Add a node map writing rule to the writer. |
| 1115 | 1115 |
template <typename Map> |
| 1116 | 1116 |
GraphWriter& nodeMap(const std::string& caption, const Map& map) {
|
| 1117 | 1117 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 1118 | 1118 |
_writer_bits::MapStorageBase<Node>* storage = |
| 1119 | 1119 |
new _writer_bits::MapStorage<Node, Map>(map); |
| 1120 | 1120 |
_node_maps.push_back(std::make_pair(caption, storage)); |
| 1121 | 1121 |
return *this; |
| 1122 | 1122 |
} |
| 1123 | 1123 |
|
| 1124 | 1124 |
/// \brief Node map writing rule |
| 1125 | 1125 |
/// |
| 1126 | 1126 |
/// Add a node map writing rule with specialized converter to the |
| 1127 | 1127 |
/// writer. |
| 1128 | 1128 |
template <typename Map, typename Converter> |
| 1129 | 1129 |
GraphWriter& nodeMap(const std::string& caption, const Map& map, |
| 1130 | 1130 |
const Converter& converter = Converter()) {
|
| 1131 | 1131 |
checkConcept<concepts::ReadMap<Node, typename Map::Value>, Map>(); |
| 1132 | 1132 |
_writer_bits::MapStorageBase<Node>* storage = |
| 1133 | 1133 |
new _writer_bits::MapStorage<Node, Map, Converter>(map, converter); |
| ... | ... |
@@ -1234,76 +1234,76 @@ |
| 1234 | 1234 |
/// \brief Edge writing rule |
| 1235 | 1235 |
/// |
| 1236 | 1236 |
/// Add an edge writing rule to writer. |
| 1237 | 1237 |
GraphWriter& edge(const std::string& caption, const Edge& edge) {
|
| 1238 | 1238 |
typedef _writer_bits::MapLookUpConverter<Edge> Converter; |
| 1239 | 1239 |
Converter converter(_edge_index); |
| 1240 | 1240 |
_writer_bits::ValueStorageBase* storage = |
| 1241 | 1241 |
new _writer_bits::ValueStorage<Edge, Converter>(edge, converter); |
| 1242 | 1242 |
_attributes.push_back(std::make_pair(caption, storage)); |
| 1243 | 1243 |
return *this; |
| 1244 | 1244 |
} |
| 1245 | 1245 |
|
| 1246 | 1246 |
/// \brief Arc writing rule |
| 1247 | 1247 |
/// |
| 1248 | 1248 |
/// Add an arc writing rule to writer. |
| 1249 | 1249 |
GraphWriter& arc(const std::string& caption, const Arc& arc) {
|
| 1250 | 1250 |
typedef _writer_bits::GraphArcLookUpConverter<Graph> Converter; |
| 1251 | 1251 |
Converter converter(_graph, _edge_index); |
| 1252 | 1252 |
_writer_bits::ValueStorageBase* storage = |
| 1253 | 1253 |
new _writer_bits::ValueStorage<Arc, Converter>(arc, converter); |
| 1254 | 1254 |
_attributes.push_back(std::make_pair(caption, storage)); |
| 1255 | 1255 |
return *this; |
| 1256 | 1256 |
} |
| 1257 | 1257 |
|
| 1258 |
/// \name Section |
|
| 1258 |
/// \name Section Captions |
|
| 1259 | 1259 |
/// @{
|
| 1260 | 1260 |
|
| 1261 | 1261 |
/// \brief Add an additional caption to the \c \@nodes section |
| 1262 | 1262 |
/// |
| 1263 | 1263 |
/// Add an additional caption to the \c \@nodes section. |
| 1264 | 1264 |
GraphWriter& nodes(const std::string& caption) {
|
| 1265 | 1265 |
_nodes_caption = caption; |
| 1266 | 1266 |
return *this; |
| 1267 | 1267 |
} |
| 1268 | 1268 |
|
| 1269 | 1269 |
/// \brief Add an additional caption to the \c \@arcs section |
| 1270 | 1270 |
/// |
| 1271 | 1271 |
/// Add an additional caption to the \c \@arcs section. |
| 1272 | 1272 |
GraphWriter& edges(const std::string& caption) {
|
| 1273 | 1273 |
_edges_caption = caption; |
| 1274 | 1274 |
return *this; |
| 1275 | 1275 |
} |
| 1276 | 1276 |
|
| 1277 | 1277 |
/// \brief Add an additional caption to the \c \@attributes section |
| 1278 | 1278 |
/// |
| 1279 | 1279 |
/// Add an additional caption to the \c \@attributes section. |
| 1280 | 1280 |
GraphWriter& attributes(const std::string& caption) {
|
| 1281 | 1281 |
_attributes_caption = caption; |
| 1282 | 1282 |
return *this; |
| 1283 | 1283 |
} |
| 1284 | 1284 |
|
| 1285 |
/// \name Skipping |
|
| 1285 |
/// \name Skipping Section |
|
| 1286 | 1286 |
/// @{
|
| 1287 | 1287 |
|
| 1288 | 1288 |
/// \brief Skip writing the node set |
| 1289 | 1289 |
/// |
| 1290 | 1290 |
/// The \c \@nodes section will not be written to the stream. |
| 1291 | 1291 |
GraphWriter& skipNodes() {
|
| 1292 | 1292 |
LEMON_ASSERT(!_skip_nodes, "Multiple usage of skipNodes() member"); |
| 1293 | 1293 |
_skip_nodes = true; |
| 1294 | 1294 |
return *this; |
| 1295 | 1295 |
} |
| 1296 | 1296 |
|
| 1297 | 1297 |
/// \brief Skip writing edge set |
| 1298 | 1298 |
/// |
| 1299 | 1299 |
/// The \c \@edges section will not be written to the stream. |
| 1300 | 1300 |
GraphWriter& skipEdges() {
|
| 1301 | 1301 |
LEMON_ASSERT(!_skip_edges, "Multiple usage of skipEdges() member"); |
| 1302 | 1302 |
_skip_edges = true; |
| 1303 | 1303 |
return *this; |
| 1304 | 1304 |
} |
| 1305 | 1305 |
|
| 1306 | 1306 |
/// @} |
| 1307 | 1307 |
|
| 1308 | 1308 |
private: |
| 1309 | 1309 |
|
| ... | ... |
@@ -1478,49 +1478,49 @@ |
| 1478 | 1478 |
for (EdgeIt e(_graph); e != INVALID; ++e) {
|
| 1479 | 1479 |
std::string value = label->get(e); |
| 1480 | 1480 |
_edge_index.insert(std::make_pair(e, value)); |
| 1481 | 1481 |
} |
| 1482 | 1482 |
} |
| 1483 | 1483 |
} |
| 1484 | 1484 |
|
| 1485 | 1485 |
void writeAttributes() {
|
| 1486 | 1486 |
if (_attributes.empty()) return; |
| 1487 | 1487 |
*_os << "@attributes"; |
| 1488 | 1488 |
if (!_attributes_caption.empty()) {
|
| 1489 | 1489 |
_writer_bits::writeToken(*_os << ' ', _attributes_caption); |
| 1490 | 1490 |
} |
| 1491 | 1491 |
*_os << std::endl; |
| 1492 | 1492 |
for (typename Attributes::iterator it = _attributes.begin(); |
| 1493 | 1493 |
it != _attributes.end(); ++it) {
|
| 1494 | 1494 |
_writer_bits::writeToken(*_os, it->first) << ' '; |
| 1495 | 1495 |
_writer_bits::writeToken(*_os, it->second->get()); |
| 1496 | 1496 |
*_os << std::endl; |
| 1497 | 1497 |
} |
| 1498 | 1498 |
} |
| 1499 | 1499 |
|
| 1500 | 1500 |
public: |
| 1501 | 1501 |
|
| 1502 |
/// \name Execution of the |
|
| 1502 |
/// \name Execution of the Writer |
|
| 1503 | 1503 |
/// @{
|
| 1504 | 1504 |
|
| 1505 | 1505 |
/// \brief Start the batch processing |
| 1506 | 1506 |
/// |
| 1507 | 1507 |
/// This function starts the batch processing. |
| 1508 | 1508 |
void run() {
|
| 1509 | 1509 |
if (!_skip_nodes) {
|
| 1510 | 1510 |
writeNodes(); |
| 1511 | 1511 |
} else {
|
| 1512 | 1512 |
createNodeIndex(); |
| 1513 | 1513 |
} |
| 1514 | 1514 |
if (!_skip_edges) {
|
| 1515 | 1515 |
writeEdges(); |
| 1516 | 1516 |
} else {
|
| 1517 | 1517 |
createEdgeIndex(); |
| 1518 | 1518 |
} |
| 1519 | 1519 |
writeAttributes(); |
| 1520 | 1520 |
} |
| 1521 | 1521 |
|
| 1522 | 1522 |
/// \brief Give back the stream of the writer |
| 1523 | 1523 |
/// |
| 1524 | 1524 |
/// Give back the stream of the writer |
| 1525 | 1525 |
std::ostream& ostream() {
|
| 1526 | 1526 |
return *_os; |
| ... | ... |
@@ -1630,49 +1630,49 @@ |
| 1630 | 1630 |
delete _os; |
| 1631 | 1631 |
} |
| 1632 | 1632 |
|
| 1633 | 1633 |
} |
| 1634 | 1634 |
|
| 1635 | 1635 |
private: |
| 1636 | 1636 |
|
| 1637 | 1637 |
friend SectionWriter sectionWriter(std::ostream& os); |
| 1638 | 1638 |
friend SectionWriter sectionWriter(const std::string& fn); |
| 1639 | 1639 |
friend SectionWriter sectionWriter(const char* fn); |
| 1640 | 1640 |
|
| 1641 | 1641 |
SectionWriter(SectionWriter& other) |
| 1642 | 1642 |
: _os(other._os), local_os(other.local_os) {
|
| 1643 | 1643 |
|
| 1644 | 1644 |
other._os = 0; |
| 1645 | 1645 |
other.local_os = false; |
| 1646 | 1646 |
|
| 1647 | 1647 |
_sections.swap(other._sections); |
| 1648 | 1648 |
} |
| 1649 | 1649 |
|
| 1650 | 1650 |
SectionWriter& operator=(const SectionWriter&); |
| 1651 | 1651 |
|
| 1652 | 1652 |
public: |
| 1653 | 1653 |
|
| 1654 |
/// \name Section |
|
| 1654 |
/// \name Section Writers |
|
| 1655 | 1655 |
/// @{
|
| 1656 | 1656 |
|
| 1657 | 1657 |
/// \brief Add a section writer with line oriented writing |
| 1658 | 1658 |
/// |
| 1659 | 1659 |
/// The first parameter is the type descriptor of the section, the |
| 1660 | 1660 |
/// second is a generator with std::string values. At the writing |
| 1661 | 1661 |
/// process, the returned \c std::string will be written into the |
| 1662 | 1662 |
/// output file until it is an empty string. |
| 1663 | 1663 |
/// |
| 1664 | 1664 |
/// For example, an integer vector is written into a section. |
| 1665 | 1665 |
///\code |
| 1666 | 1666 |
/// @numbers |
| 1667 | 1667 |
/// 12 45 23 78 |
| 1668 | 1668 |
/// 4 28 38 28 |
| 1669 | 1669 |
/// 23 6 16 |
| 1670 | 1670 |
///\endcode |
| 1671 | 1671 |
/// |
| 1672 | 1672 |
/// The generator is implemented as a struct. |
| 1673 | 1673 |
///\code |
| 1674 | 1674 |
/// struct NumberSection {
|
| 1675 | 1675 |
/// std::vector<int>::const_iterator _it, _end; |
| 1676 | 1676 |
/// NumberSection(const std::vector<int>& data) |
| 1677 | 1677 |
/// : _it(data.begin()), _end(data.end()) {}
|
| 1678 | 1678 |
/// std::string operator()() {
|
| ... | ... |
@@ -1697,49 +1697,49 @@ |
| 1697 | 1697 |
new _writer_bits::LineSection<Functor>(functor))); |
| 1698 | 1698 |
return *this; |
| 1699 | 1699 |
} |
| 1700 | 1700 |
|
| 1701 | 1701 |
|
| 1702 | 1702 |
/// \brief Add a section writer with stream oriented writing |
| 1703 | 1703 |
/// |
| 1704 | 1704 |
/// The first parameter is the type of the section, the second is |
| 1705 | 1705 |
/// a functor, which takes a \c std::ostream& parameter. The |
| 1706 | 1706 |
/// functor writes the section to the output stream. |
| 1707 | 1707 |
/// \warning The last line must be closed with end-line character. |
| 1708 | 1708 |
template <typename Functor> |
| 1709 | 1709 |
SectionWriter& sectionStream(const std::string& type, Functor functor) {
|
| 1710 | 1710 |
LEMON_ASSERT(!type.empty(), "Type is empty."); |
| 1711 | 1711 |
_sections.push_back(std::make_pair(type, |
| 1712 | 1712 |
new _writer_bits::StreamSection<Functor>(functor))); |
| 1713 | 1713 |
return *this; |
| 1714 | 1714 |
} |
| 1715 | 1715 |
|
| 1716 | 1716 |
/// @} |
| 1717 | 1717 |
|
| 1718 | 1718 |
public: |
| 1719 | 1719 |
|
| 1720 | 1720 |
|
| 1721 |
/// \name Execution of the |
|
| 1721 |
/// \name Execution of the Writer |
|
| 1722 | 1722 |
/// @{
|
| 1723 | 1723 |
|
| 1724 | 1724 |
/// \brief Start the batch processing |
| 1725 | 1725 |
/// |
| 1726 | 1726 |
/// This function starts the batch processing. |
| 1727 | 1727 |
void run() {
|
| 1728 | 1728 |
|
| 1729 | 1729 |
LEMON_ASSERT(_os != 0, "This writer is assigned to an other writer"); |
| 1730 | 1730 |
|
| 1731 | 1731 |
for (Sections::iterator it = _sections.begin(); |
| 1732 | 1732 |
it != _sections.end(); ++it) {
|
| 1733 | 1733 |
(*_os) << '@' << it->first << std::endl; |
| 1734 | 1734 |
it->second->process(*_os); |
| 1735 | 1735 |
} |
| 1736 | 1736 |
} |
| 1737 | 1737 |
|
| 1738 | 1738 |
/// \brief Give back the stream of the writer |
| 1739 | 1739 |
/// |
| 1740 | 1740 |
/// Returns the stream of the writer |
| 1741 | 1741 |
std::ostream& ostream() {
|
| 1742 | 1742 |
return *_os; |
| 1743 | 1743 |
} |
| 1744 | 1744 |
|
| 1745 | 1745 |
/// @} |
| ... | ... |
@@ -31,76 +31,76 @@ |
| 31 | 31 |
#include<lemon/core.h> |
| 32 | 32 |
#include<lemon/bits/solver_bits.h> |
| 33 | 33 |
|
| 34 | 34 |
///\file |
| 35 | 35 |
///\brief The interface of the LP solver interface. |
| 36 | 36 |
///\ingroup lp_group |
| 37 | 37 |
namespace lemon {
|
| 38 | 38 |
|
| 39 | 39 |
///Common base class for LP and MIP solvers |
| 40 | 40 |
|
| 41 | 41 |
///Usually this class is not used directly, please use one of the concrete |
| 42 | 42 |
///implementations of the solver interface. |
| 43 | 43 |
///\ingroup lp_group |
| 44 | 44 |
class LpBase {
|
| 45 | 45 |
|
| 46 | 46 |
protected: |
| 47 | 47 |
|
| 48 | 48 |
_solver_bits::VarIndex rows; |
| 49 | 49 |
_solver_bits::VarIndex cols; |
| 50 | 50 |
|
| 51 | 51 |
public: |
| 52 | 52 |
|
| 53 | 53 |
///Possible outcomes of an LP solving procedure |
| 54 | 54 |
enum SolveExitStatus {
|
| 55 |
/// |
|
| 55 |
/// = 0. It means that the problem has been successfully solved: either |
|
| 56 | 56 |
///an optimal solution has been found or infeasibility/unboundedness |
| 57 | 57 |
///has been proved. |
| 58 | 58 |
SOLVED = 0, |
| 59 |
///Any other case (including the case when some user specified |
|
| 60 |
///limit has been exceeded) |
|
| 59 |
/// = 1. Any other case (including the case when some user specified |
|
| 60 |
///limit has been exceeded). |
|
| 61 | 61 |
UNSOLVED = 1 |
| 62 | 62 |
}; |
| 63 | 63 |
|
| 64 | 64 |
///Direction of the optimization |
| 65 | 65 |
enum Sense {
|
| 66 | 66 |
/// Minimization |
| 67 | 67 |
MIN, |
| 68 | 68 |
/// Maximization |
| 69 | 69 |
MAX |
| 70 | 70 |
}; |
| 71 | 71 |
|
| 72 | 72 |
///Enum for \c messageLevel() parameter |
| 73 | 73 |
enum MessageLevel {
|
| 74 |
/// |
|
| 74 |
/// No output (default value). |
|
| 75 | 75 |
MESSAGE_NOTHING, |
| 76 |
/// |
|
| 76 |
/// Error messages only. |
|
| 77 | 77 |
MESSAGE_ERROR, |
| 78 |
/// |
|
| 78 |
/// Warnings. |
|
| 79 | 79 |
MESSAGE_WARNING, |
| 80 |
/// |
|
| 80 |
/// Normal output. |
|
| 81 | 81 |
MESSAGE_NORMAL, |
| 82 |
/// |
|
| 82 |
/// Verbose output. |
|
| 83 | 83 |
MESSAGE_VERBOSE |
| 84 | 84 |
}; |
| 85 | 85 |
|
| 86 | 86 |
|
| 87 | 87 |
///The floating point type used by the solver |
| 88 | 88 |
typedef double Value; |
| 89 | 89 |
///The infinity constant |
| 90 | 90 |
static const Value INF; |
| 91 | 91 |
///The not a number constant |
| 92 | 92 |
static const Value NaN; |
| 93 | 93 |
|
| 94 | 94 |
friend class Col; |
| 95 | 95 |
friend class ColIt; |
| 96 | 96 |
friend class Row; |
| 97 | 97 |
friend class RowIt; |
| 98 | 98 |
|
| 99 | 99 |
///Refer to a column of the LP. |
| 100 | 100 |
|
| 101 | 101 |
///This type is used to refer to a column of the LP. |
| 102 | 102 |
/// |
| 103 | 103 |
///Its value remains valid and correct even after the addition or erase of |
| 104 | 104 |
///other columns. |
| 105 | 105 |
/// |
| 106 | 106 |
///\note This class is similar to other Item types in LEMON, like |
| ... | ... |
@@ -984,49 +984,49 @@ |
| 984 | 984 |
virtual void _setSense(Sense) = 0; |
| 985 | 985 |
virtual Sense _getSense() const = 0; |
| 986 | 986 |
|
| 987 | 987 |
virtual void _clear() = 0; |
| 988 | 988 |
|
| 989 | 989 |
virtual const char* _solverName() const = 0; |
| 990 | 990 |
|
| 991 | 991 |
virtual void _messageLevel(MessageLevel level) = 0; |
| 992 | 992 |
|
| 993 | 993 |
//Own protected stuff |
| 994 | 994 |
|
| 995 | 995 |
//Constant component of the objective function |
| 996 | 996 |
Value obj_const_comp; |
| 997 | 997 |
|
| 998 | 998 |
LpBase() : rows(), cols(), obj_const_comp(0) {}
|
| 999 | 999 |
|
| 1000 | 1000 |
public: |
| 1001 | 1001 |
|
| 1002 | 1002 |
/// Virtual destructor |
| 1003 | 1003 |
virtual ~LpBase() {}
|
| 1004 | 1004 |
|
| 1005 | 1005 |
///Gives back the name of the solver. |
| 1006 | 1006 |
const char* solverName() const {return _solverName();}
|
| 1007 | 1007 |
|
| 1008 |
///\name Build |
|
| 1008 |
///\name Build Up and Modify the LP |
|
| 1009 | 1009 |
|
| 1010 | 1010 |
///@{
|
| 1011 | 1011 |
|
| 1012 | 1012 |
///Add a new empty column (i.e a new variable) to the LP |
| 1013 | 1013 |
Col addCol() { Col c; c._id = _addColId(_addCol()); return c;}
|
| 1014 | 1014 |
|
| 1015 | 1015 |
///\brief Adds several new columns (i.e variables) at once |
| 1016 | 1016 |
/// |
| 1017 | 1017 |
///This magic function takes a container as its argument and fills |
| 1018 | 1018 |
///its elements with new columns (i.e. variables) |
| 1019 | 1019 |
///\param t can be |
| 1020 | 1020 |
///- a standard STL compatible iterable container with |
| 1021 | 1021 |
///\ref Col as its \c values_type like |
| 1022 | 1022 |
///\code |
| 1023 | 1023 |
///std::vector<LpBase::Col> |
| 1024 | 1024 |
///std::list<LpBase::Col> |
| 1025 | 1025 |
///\endcode |
| 1026 | 1026 |
///- a standard STL compatible iterable container with |
| 1027 | 1027 |
///\ref Col as its \c mapped_type like |
| 1028 | 1028 |
///\code |
| 1029 | 1029 |
///std::map<AnyType,LpBase::Col> |
| 1030 | 1030 |
///\endcode |
| 1031 | 1031 |
///- an iterable lemon \ref concepts::WriteMap "write map" like |
| 1032 | 1032 |
///\code |
| ... | ... |
@@ -1767,57 +1767,57 @@ |
| 1767 | 1767 |
/// |
| 1768 | 1768 |
inline LpBase::DualExpr operator/(const LpBase::DualExpr &a, |
| 1769 | 1769 |
const LpBase::Value &b) {
|
| 1770 | 1770 |
LpBase::DualExpr tmp(a); |
| 1771 | 1771 |
tmp/=b; |
| 1772 | 1772 |
return tmp; |
| 1773 | 1773 |
} |
| 1774 | 1774 |
|
| 1775 | 1775 |
/// \ingroup lp_group |
| 1776 | 1776 |
/// |
| 1777 | 1777 |
/// \brief Common base class for LP solvers |
| 1778 | 1778 |
/// |
| 1779 | 1779 |
/// This class is an abstract base class for LP solvers. This class |
| 1780 | 1780 |
/// provides a full interface for set and modify an LP problem, |
| 1781 | 1781 |
/// solve it and retrieve the solution. You can use one of the |
| 1782 | 1782 |
/// descendants as a concrete implementation, or the \c Lp |
| 1783 | 1783 |
/// default LP solver. However, if you would like to handle LP |
| 1784 | 1784 |
/// solvers as reference or pointer in a generic way, you can use |
| 1785 | 1785 |
/// this class directly. |
| 1786 | 1786 |
class LpSolver : virtual public LpBase {
|
| 1787 | 1787 |
public: |
| 1788 | 1788 |
|
| 1789 | 1789 |
/// The problem types for primal and dual problems |
| 1790 | 1790 |
enum ProblemType {
|
| 1791 |
///Feasible solution hasn't been found (but may exist). |
|
| 1791 |
/// = 0. Feasible solution hasn't been found (but may exist). |
|
| 1792 | 1792 |
UNDEFINED = 0, |
| 1793 |
///The problem has no feasible solution |
|
| 1793 |
/// = 1. The problem has no feasible solution. |
|
| 1794 | 1794 |
INFEASIBLE = 1, |
| 1795 |
///Feasible solution found |
|
| 1795 |
/// = 2. Feasible solution found. |
|
| 1796 | 1796 |
FEASIBLE = 2, |
| 1797 |
///Optimal solution exists and found |
|
| 1797 |
/// = 3. Optimal solution exists and found. |
|
| 1798 | 1798 |
OPTIMAL = 3, |
| 1799 |
///The cost function is unbounded |
|
| 1799 |
/// = 4. The cost function is unbounded. |
|
| 1800 | 1800 |
UNBOUNDED = 4 |
| 1801 | 1801 |
}; |
| 1802 | 1802 |
|
| 1803 | 1803 |
///The basis status of variables |
| 1804 | 1804 |
enum VarStatus {
|
| 1805 | 1805 |
/// The variable is in the basis |
| 1806 | 1806 |
BASIC, |
| 1807 | 1807 |
/// The variable is free, but not basic |
| 1808 | 1808 |
FREE, |
| 1809 | 1809 |
/// The variable has active lower bound |
| 1810 | 1810 |
LOWER, |
| 1811 | 1811 |
/// The variable has active upper bound |
| 1812 | 1812 |
UPPER, |
| 1813 | 1813 |
/// The variable is non-basic and fixed |
| 1814 | 1814 |
FIXED |
| 1815 | 1815 |
}; |
| 1816 | 1816 |
|
| 1817 | 1817 |
protected: |
| 1818 | 1818 |
|
| 1819 | 1819 |
virtual SolveExitStatus _solve() = 0; |
| 1820 | 1820 |
|
| 1821 | 1821 |
virtual Value _getPrimal(int i) const = 0; |
| 1822 | 1822 |
virtual Value _getDual(int i) const = 0; |
| 1823 | 1823 |
|
| ... | ... |
@@ -1831,49 +1831,49 @@ |
| 1831 | 1831 |
|
| 1832 | 1832 |
virtual ProblemType _getPrimalType() const = 0; |
| 1833 | 1833 |
virtual ProblemType _getDualType() const = 0; |
| 1834 | 1834 |
|
| 1835 | 1835 |
public: |
| 1836 | 1836 |
|
| 1837 | 1837 |
///Allocate a new LP problem instance |
| 1838 | 1838 |
virtual LpSolver* newSolver() const = 0; |
| 1839 | 1839 |
///Make a copy of the LP problem |
| 1840 | 1840 |
virtual LpSolver* cloneSolver() const = 0; |
| 1841 | 1841 |
|
| 1842 | 1842 |
///\name Solve the LP |
| 1843 | 1843 |
|
| 1844 | 1844 |
///@{
|
| 1845 | 1845 |
|
| 1846 | 1846 |
///\e Solve the LP problem at hand |
| 1847 | 1847 |
/// |
| 1848 | 1848 |
///\return The result of the optimization procedure. Possible |
| 1849 | 1849 |
///values and their meanings can be found in the documentation of |
| 1850 | 1850 |
///\ref SolveExitStatus. |
| 1851 | 1851 |
SolveExitStatus solve() { return _solve(); }
|
| 1852 | 1852 |
|
| 1853 | 1853 |
///@} |
| 1854 | 1854 |
|
| 1855 |
///\name Obtain the |
|
| 1855 |
///\name Obtain the Solution |
|
| 1856 | 1856 |
|
| 1857 | 1857 |
///@{
|
| 1858 | 1858 |
|
| 1859 | 1859 |
/// The type of the primal problem |
| 1860 | 1860 |
ProblemType primalType() const {
|
| 1861 | 1861 |
return _getPrimalType(); |
| 1862 | 1862 |
} |
| 1863 | 1863 |
|
| 1864 | 1864 |
/// The type of the dual problem |
| 1865 | 1865 |
ProblemType dualType() const {
|
| 1866 | 1866 |
return _getDualType(); |
| 1867 | 1867 |
} |
| 1868 | 1868 |
|
| 1869 | 1869 |
/// Return the primal value of the column |
| 1870 | 1870 |
|
| 1871 | 1871 |
/// Return the primal value of the column. |
| 1872 | 1872 |
/// \pre The problem is solved. |
| 1873 | 1873 |
Value primal(Col c) const { return _getPrimal(cols(id(c))); }
|
| 1874 | 1874 |
|
| 1875 | 1875 |
/// Return the primal value of the expression |
| 1876 | 1876 |
|
| 1877 | 1877 |
/// Return the primal value of the expression, i.e. the dot |
| 1878 | 1878 |
/// product of the primal solution and the expression. |
| 1879 | 1879 |
/// \pre The problem is solved. |
| ... | ... |
@@ -1953,109 +1953,108 @@ |
| 1953 | 1953 |
Value primal() const { return _getPrimalValue()+obj_const_comp;}
|
| 1954 | 1954 |
///@} |
| 1955 | 1955 |
|
| 1956 | 1956 |
protected: |
| 1957 | 1957 |
|
| 1958 | 1958 |
}; |
| 1959 | 1959 |
|
| 1960 | 1960 |
|
| 1961 | 1961 |
/// \ingroup lp_group |
| 1962 | 1962 |
/// |
| 1963 | 1963 |
/// \brief Common base class for MIP solvers |
| 1964 | 1964 |
/// |
| 1965 | 1965 |
/// This class is an abstract base class for MIP solvers. This class |
| 1966 | 1966 |
/// provides a full interface for set and modify an MIP problem, |
| 1967 | 1967 |
/// solve it and retrieve the solution. You can use one of the |
| 1968 | 1968 |
/// descendants as a concrete implementation, or the \c Lp |
| 1969 | 1969 |
/// default MIP solver. However, if you would like to handle MIP |
| 1970 | 1970 |
/// solvers as reference or pointer in a generic way, you can use |
| 1971 | 1971 |
/// this class directly. |
| 1972 | 1972 |
class MipSolver : virtual public LpBase {
|
| 1973 | 1973 |
public: |
| 1974 | 1974 |
|
| 1975 | 1975 |
/// The problem types for MIP problems |
| 1976 | 1976 |
enum ProblemType {
|
| 1977 |
///Feasible solution hasn't been found (but may exist). |
|
| 1977 |
/// = 0. Feasible solution hasn't been found (but may exist). |
|
| 1978 | 1978 |
UNDEFINED = 0, |
| 1979 |
///The problem has no feasible solution |
|
| 1979 |
/// = 1. The problem has no feasible solution. |
|
| 1980 | 1980 |
INFEASIBLE = 1, |
| 1981 |
///Feasible solution found |
|
| 1981 |
/// = 2. Feasible solution found. |
|
| 1982 | 1982 |
FEASIBLE = 2, |
| 1983 |
///Optimal solution exists and found |
|
| 1983 |
/// = 3. Optimal solution exists and found. |
|
| 1984 | 1984 |
OPTIMAL = 3, |
| 1985 |
///The cost function is unbounded |
|
| 1986 |
/// |
|
| 1987 |
///The |
|
| 1985 |
/// = 4. The cost function is unbounded. |
|
| 1986 |
///The Mip or at least the relaxed problem is unbounded. |
|
| 1988 | 1987 |
UNBOUNDED = 4 |
| 1989 | 1988 |
}; |
| 1990 | 1989 |
|
| 1991 | 1990 |
///Allocate a new MIP problem instance |
| 1992 | 1991 |
virtual MipSolver* newSolver() const = 0; |
| 1993 | 1992 |
///Make a copy of the MIP problem |
| 1994 | 1993 |
virtual MipSolver* cloneSolver() const = 0; |
| 1995 | 1994 |
|
| 1996 | 1995 |
///\name Solve the MIP |
| 1997 | 1996 |
|
| 1998 | 1997 |
///@{
|
| 1999 | 1998 |
|
| 2000 | 1999 |
/// Solve the MIP problem at hand |
| 2001 | 2000 |
/// |
| 2002 | 2001 |
///\return The result of the optimization procedure. Possible |
| 2003 | 2002 |
///values and their meanings can be found in the documentation of |
| 2004 | 2003 |
///\ref SolveExitStatus. |
| 2005 | 2004 |
SolveExitStatus solve() { return _solve(); }
|
| 2006 | 2005 |
|
| 2007 | 2006 |
///@} |
| 2008 | 2007 |
|
| 2009 |
///\name |
|
| 2008 |
///\name Set Column Type |
|
| 2010 | 2009 |
///@{
|
| 2011 | 2010 |
|
| 2012 | 2011 |
///Possible variable (column) types (e.g. real, integer, binary etc.) |
| 2013 | 2012 |
enum ColTypes {
|
| 2014 |
///Continuous variable (default) |
|
| 2013 |
/// = 0. Continuous variable (default). |
|
| 2015 | 2014 |
REAL = 0, |
| 2016 |
///Integer variable |
|
| 2015 |
/// = 1. Integer variable. |
|
| 2017 | 2016 |
INTEGER = 1 |
| 2018 | 2017 |
}; |
| 2019 | 2018 |
|
| 2020 | 2019 |
///Sets the type of the given column to the given type |
| 2021 | 2020 |
|
| 2022 | 2021 |
///Sets the type of the given column to the given type. |
| 2023 | 2022 |
/// |
| 2024 | 2023 |
void colType(Col c, ColTypes col_type) {
|
| 2025 | 2024 |
_setColType(cols(id(c)),col_type); |
| 2026 | 2025 |
} |
| 2027 | 2026 |
|
| 2028 | 2027 |
///Gives back the type of the column. |
| 2029 | 2028 |
|
| 2030 | 2029 |
///Gives back the type of the column. |
| 2031 | 2030 |
/// |
| 2032 | 2031 |
ColTypes colType(Col c) const {
|
| 2033 | 2032 |
return _getColType(cols(id(c))); |
| 2034 | 2033 |
} |
| 2035 | 2034 |
///@} |
| 2036 | 2035 |
|
| 2037 |
///\name Obtain the |
|
| 2036 |
///\name Obtain the Solution |
|
| 2038 | 2037 |
|
| 2039 | 2038 |
///@{
|
| 2040 | 2039 |
|
| 2041 | 2040 |
/// The type of the MIP problem |
| 2042 | 2041 |
ProblemType type() const {
|
| 2043 | 2042 |
return _getType(); |
| 2044 | 2043 |
} |
| 2045 | 2044 |
|
| 2046 | 2045 |
/// Return the value of the row in the solution |
| 2047 | 2046 |
|
| 2048 | 2047 |
/// Return the value of the row in the solution. |
| 2049 | 2048 |
/// \pre The problem is solved. |
| 2050 | 2049 |
Value sol(Col c) const { return _getSol(cols(id(c))); }
|
| 2051 | 2050 |
|
| 2052 | 2051 |
/// Return the value of the expression in the solution |
| 2053 | 2052 |
|
| 2054 | 2053 |
/// Return the value of the expression in the solution, i.e. the |
| 2055 | 2054 |
/// dot product of the solution and the expression. |
| 2056 | 2055 |
/// \pre The problem is solved. |
| 2057 | 2056 |
Value sol(const Expr& e) const {
|
| 2058 | 2057 |
double res = *e; |
| 2059 | 2058 |
for (Expr::ConstCoeffIt c(e); c != INVALID; ++c) {
|
| 2060 | 2059 |
res += *c * sol(c); |
| 2061 | 2060 |
} |
| ... | ... |
@@ -2707,50 +2707,50 @@ |
| 2707 | 2707 |
for (int i = 0; i < int(arcs.size()); ++i) {
|
| 2708 | 2708 |
--_deg[_digraph.source(arcs[i])]; |
| 2709 | 2709 |
} |
| 2710 | 2710 |
} |
| 2711 | 2711 |
|
| 2712 | 2712 |
virtual void build() {
|
| 2713 | 2713 |
for(typename Digraph::NodeIt it(_digraph); it != INVALID; ++it) {
|
| 2714 | 2714 |
_deg[it] = countOutArcs(_digraph, it); |
| 2715 | 2715 |
} |
| 2716 | 2716 |
} |
| 2717 | 2717 |
|
| 2718 | 2718 |
virtual void clear() {
|
| 2719 | 2719 |
for(typename Digraph::NodeIt it(_digraph); it != INVALID; ++it) {
|
| 2720 | 2720 |
_deg[it] = 0; |
| 2721 | 2721 |
} |
| 2722 | 2722 |
} |
| 2723 | 2723 |
private: |
| 2724 | 2724 |
|
| 2725 | 2725 |
const Digraph& _digraph; |
| 2726 | 2726 |
AutoNodeMap _deg; |
| 2727 | 2727 |
}; |
| 2728 | 2728 |
|
| 2729 | 2729 |
/// \brief Potential difference map |
| 2730 | 2730 |
/// |
| 2731 |
/// PotentialMap returns the difference between the potentials of the |
|
| 2732 |
/// source and target nodes of each arc in a digraph, i.e. it returns |
|
| 2731 |
/// PotentialDifferenceMap returns the difference between the potentials of |
|
| 2732 |
/// the source and target nodes of each arc in a digraph, i.e. it returns |
|
| 2733 | 2733 |
/// \code |
| 2734 | 2734 |
/// potential[gr.target(arc)] - potential[gr.source(arc)]. |
| 2735 | 2735 |
/// \endcode |
| 2736 | 2736 |
/// \tparam GR The digraph type. |
| 2737 | 2737 |
/// \tparam POT A node map storing the potentials. |
| 2738 | 2738 |
template <typename GR, typename POT> |
| 2739 | 2739 |
class PotentialDifferenceMap {
|
| 2740 | 2740 |
public: |
| 2741 | 2741 |
/// Key type |
| 2742 | 2742 |
typedef typename GR::Arc Key; |
| 2743 | 2743 |
/// Value type |
| 2744 | 2744 |
typedef typename POT::Value Value; |
| 2745 | 2745 |
|
| 2746 | 2746 |
/// \brief Constructor |
| 2747 | 2747 |
/// |
| 2748 | 2748 |
/// Contructor of the map. |
| 2749 | 2749 |
explicit PotentialDifferenceMap(const GR& gr, |
| 2750 | 2750 |
const POT& potential) |
| 2751 | 2751 |
: _digraph(gr), _potential(potential) {}
|
| 2752 | 2752 |
|
| 2753 | 2753 |
/// \brief Returns the potential difference for the given arc. |
| 2754 | 2754 |
/// |
| 2755 | 2755 |
/// Returns the potential difference for the given arc, i.e. |
| 2756 | 2756 |
/// \code |
| ... | ... |
@@ -69,52 +69,52 @@ |
| 69 | 69 |
/// \param digraph is the graph, to which we would like to |
| 70 | 70 |
/// calculate the \c ArborescenceMap. |
| 71 | 71 |
static ArborescenceMap *createArborescenceMap(const Digraph &digraph){
|
| 72 | 72 |
return new ArborescenceMap(digraph); |
| 73 | 73 |
} |
| 74 | 74 |
|
| 75 | 75 |
/// \brief The type of the \c PredMap |
| 76 | 76 |
/// |
| 77 | 77 |
/// The type of the \c PredMap. It is a node map with an arc value type. |
| 78 | 78 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 79 | 79 |
|
| 80 | 80 |
/// \brief Instantiates a \c PredMap. |
| 81 | 81 |
/// |
| 82 | 82 |
/// This function instantiates a \c PredMap. |
| 83 | 83 |
/// \param digraph The digraph to which we would like to define the |
| 84 | 84 |
/// \c PredMap. |
| 85 | 85 |
static PredMap *createPredMap(const Digraph &digraph){
|
| 86 | 86 |
return new PredMap(digraph); |
| 87 | 87 |
} |
| 88 | 88 |
|
| 89 | 89 |
}; |
| 90 | 90 |
|
| 91 | 91 |
/// \ingroup spantree |
| 92 | 92 |
/// |
| 93 |
/// \brief |
|
| 93 |
/// \brief Minimum Cost Arborescence algorithm class. |
|
| 94 | 94 |
/// |
| 95 | 95 |
/// This class provides an efficient implementation of |
| 96 |
/// |
|
| 96 |
/// Minimum Cost Arborescence algorithm. The arborescence is a tree |
|
| 97 | 97 |
/// which is directed from a given source node of the digraph. One or |
| 98 | 98 |
/// more sources should be given for the algorithm and it will calculate |
| 99 | 99 |
/// the minimum cost subgraph which are union of arborescences with the |
| 100 | 100 |
/// given sources and spans all the nodes which are reachable from the |
| 101 | 101 |
/// sources. The time complexity of the algorithm is O(n<sup>2</sup>+e). |
| 102 | 102 |
/// |
| 103 | 103 |
/// The algorithm provides also an optimal dual solution, therefore |
| 104 | 104 |
/// the optimality of the solution can be checked. |
| 105 | 105 |
/// |
| 106 | 106 |
/// \param GR The digraph type the algorithm runs on. The default value |
| 107 | 107 |
/// is \ref ListDigraph. |
| 108 | 108 |
/// \param CM This read-only ArcMap determines the costs of the |
| 109 | 109 |
/// arcs. It is read once for each arc, so the map may involve in |
| 110 | 110 |
/// relatively time consuming process to compute the arc cost if |
| 111 | 111 |
/// it is necessary. The default map type is \ref |
| 112 | 112 |
/// concepts::Digraph::ArcMap "Digraph::ArcMap<int>". |
| 113 | 113 |
/// \param TR Traits class to set various data types used |
| 114 | 114 |
/// by the algorithm. The default traits class is |
| 115 | 115 |
/// \ref MinCostArborescenceDefaultTraits |
| 116 | 116 |
/// "MinCostArborescenceDefaultTraits<GR, CM>". See \ref |
| 117 | 117 |
/// MinCostArborescenceDefaultTraits for the documentation of a |
| 118 | 118 |
/// MinCostArborescence traits class. |
| 119 | 119 |
#ifndef DOXYGEN |
| 120 | 120 |
template <typename GR = ListDigraph, |
| ... | ... |
@@ -369,49 +369,49 @@ |
| 369 | 369 |
if ((*_arc_order)[it] < 0) continue; |
| 370 | 370 |
Node target = _digraph->target(it); |
| 371 | 371 |
switch(_heap->state(target)) {
|
| 372 | 372 |
case Heap::PRE_HEAP: |
| 373 | 373 |
_heap->push(target, (*_arc_order)[it]); |
| 374 | 374 |
_pred->set(target, it); |
| 375 | 375 |
break; |
| 376 | 376 |
case Heap::IN_HEAP: |
| 377 | 377 |
if ((*_arc_order)[it] < (*_heap)[target]) {
|
| 378 | 378 |
_heap->decrease(target, (*_arc_order)[it]); |
| 379 | 379 |
_pred->set(target, it); |
| 380 | 380 |
} |
| 381 | 381 |
break; |
| 382 | 382 |
case Heap::POST_HEAP: |
| 383 | 383 |
break; |
| 384 | 384 |
} |
| 385 | 385 |
} |
| 386 | 386 |
_arborescence->set((*_pred)[source], true); |
| 387 | 387 |
} |
| 388 | 388 |
} |
| 389 | 389 |
|
| 390 | 390 |
|
| 391 | 391 |
public: |
| 392 | 392 |
|
| 393 |
/// \name Named |
|
| 393 |
/// \name Named Template Parameters |
|
| 394 | 394 |
|
| 395 | 395 |
/// @{
|
| 396 | 396 |
|
| 397 | 397 |
template <class T> |
| 398 | 398 |
struct DefArborescenceMapTraits : public Traits {
|
| 399 | 399 |
typedef T ArborescenceMap; |
| 400 | 400 |
static ArborescenceMap *createArborescenceMap(const Digraph &) |
| 401 | 401 |
{
|
| 402 | 402 |
LEMON_ASSERT(false, "ArborescenceMap is not initialized"); |
| 403 | 403 |
return 0; // ignore warnings |
| 404 | 404 |
} |
| 405 | 405 |
}; |
| 406 | 406 |
|
| 407 | 407 |
/// \brief \ref named-templ-param "Named parameter" for |
| 408 | 408 |
/// setting ArborescenceMap type |
| 409 | 409 |
/// |
| 410 | 410 |
/// \ref named-templ-param "Named parameter" for setting |
| 411 | 411 |
/// ArborescenceMap type |
| 412 | 412 |
template <class T> |
| 413 | 413 |
struct DefArborescenceMap |
| 414 | 414 |
: public MinCostArborescence<Digraph, CostMap, |
| 415 | 415 |
DefArborescenceMapTraits<T> > {
|
| 416 | 416 |
}; |
| 417 | 417 |
|
| ... | ... |
@@ -609,49 +609,49 @@ |
| 609 | 609 |
return *this; |
| 610 | 610 |
} |
| 611 | 611 |
|
| 612 | 612 |
/// \brief Validity checking |
| 613 | 613 |
/// |
| 614 | 614 |
/// Checks whether the iterator is invalid. |
| 615 | 615 |
bool operator==(Invalid) const {
|
| 616 | 616 |
return _index == _last; |
| 617 | 617 |
} |
| 618 | 618 |
|
| 619 | 619 |
/// \brief Validity checking |
| 620 | 620 |
/// |
| 621 | 621 |
/// Checks whether the iterator is valid. |
| 622 | 622 |
bool operator!=(Invalid) const {
|
| 623 | 623 |
return _index != _last; |
| 624 | 624 |
} |
| 625 | 625 |
|
| 626 | 626 |
private: |
| 627 | 627 |
const MinCostArborescence* _algorithm; |
| 628 | 628 |
int _index, _last; |
| 629 | 629 |
}; |
| 630 | 630 |
|
| 631 | 631 |
/// @} |
| 632 | 632 |
|
| 633 |
/// \name Execution |
|
| 633 |
/// \name Execution Control |
|
| 634 | 634 |
/// The simplest way to execute the algorithm is to use |
| 635 | 635 |
/// one of the member functions called \c run(...). \n |
| 636 | 636 |
/// If you need more control on the execution, |
| 637 | 637 |
/// first you must call \ref init(), then you can add several |
| 638 | 638 |
/// source nodes with \ref addSource(). |
| 639 | 639 |
/// Finally \ref start() will perform the arborescence |
| 640 | 640 |
/// computation. |
| 641 | 641 |
|
| 642 | 642 |
///@{
|
| 643 | 643 |
|
| 644 | 644 |
/// \brief Initializes the internal data structures. |
| 645 | 645 |
/// |
| 646 | 646 |
/// Initializes the internal data structures. |
| 647 | 647 |
/// |
| 648 | 648 |
void init() {
|
| 649 | 649 |
createStructures(); |
| 650 | 650 |
_heap->clear(); |
| 651 | 651 |
for (NodeIt it(*_digraph); it != INVALID; ++it) {
|
| 652 | 652 |
(*_cost_arcs)[it].arc = INVALID; |
| 653 | 653 |
(*_node_order)[it] = -3; |
| 654 | 654 |
(*_heap_cross_ref)[it] = Heap::PRE_HEAP; |
| 655 | 655 |
_pred->set(it, INVALID); |
| 656 | 656 |
} |
| 657 | 657 |
for (ArcIt it(*_digraph); it != INVALID; ++it) {
|
| ... | ... |
@@ -638,49 +638,49 @@ |
| 638 | 638 |
if (!rs.read(reinterpret_cast<char*>(buf), sizeof(buf))) return false; |
| 639 | 639 |
seed(buf, buf + size); |
| 640 | 640 |
return true; |
| 641 | 641 |
} |
| 642 | 642 |
|
| 643 | 643 |
/// \brief Seding from process id and time |
| 644 | 644 |
/// |
| 645 | 645 |
/// Seding from process id and time. This function uses the |
| 646 | 646 |
/// current process id and the current time for initialize the |
| 647 | 647 |
/// random sequence. |
| 648 | 648 |
/// \return Currently always \c true. |
| 649 | 649 |
bool seedFromTime() {
|
| 650 | 650 |
#ifndef WIN32 |
| 651 | 651 |
timeval tv; |
| 652 | 652 |
gettimeofday(&tv, 0); |
| 653 | 653 |
seed(getpid() + tv.tv_sec + tv.tv_usec); |
| 654 | 654 |
#else |
| 655 | 655 |
seed(bits::getWinRndSeed()); |
| 656 | 656 |
#endif |
| 657 | 657 |
return true; |
| 658 | 658 |
} |
| 659 | 659 |
|
| 660 | 660 |
/// @} |
| 661 | 661 |
|
| 662 |
///\name Uniform |
|
| 662 |
///\name Uniform Distributions |
|
| 663 | 663 |
/// |
| 664 | 664 |
/// @{
|
| 665 | 665 |
|
| 666 | 666 |
/// \brief Returns a random real number from the range [0, 1) |
| 667 | 667 |
/// |
| 668 | 668 |
/// It returns a random real number from the range [0, 1). The |
| 669 | 669 |
/// default Number type is \c double. |
| 670 | 670 |
template <typename Number> |
| 671 | 671 |
Number real() {
|
| 672 | 672 |
return _random_bits::RealConversion<Number, Word>::convert(core); |
| 673 | 673 |
} |
| 674 | 674 |
|
| 675 | 675 |
double real() {
|
| 676 | 676 |
return real<double>(); |
| 677 | 677 |
} |
| 678 | 678 |
|
| 679 | 679 |
/// \brief Returns a random real number from the range [0, 1) |
| 680 | 680 |
/// |
| 681 | 681 |
/// It returns a random double from the range [0, 1). |
| 682 | 682 |
double operator()() {
|
| 683 | 683 |
return real<double>(); |
| 684 | 684 |
} |
| 685 | 685 |
|
| 686 | 686 |
/// \brief Returns a random real number from the range [0, b) |
| ... | ... |
@@ -741,49 +741,49 @@ |
| 741 | 741 |
/// the current \c Number type. The default result type of this |
| 742 | 742 |
/// function is \c int. |
| 743 | 743 |
template <typename Number> |
| 744 | 744 |
Number integer() {
|
| 745 | 745 |
static const int nb = std::numeric_limits<Number>::digits + |
| 746 | 746 |
(std::numeric_limits<Number>::is_signed ? 1 : 0); |
| 747 | 747 |
return _random_bits::IntConversion<Number, Word, nb>::convert(core); |
| 748 | 748 |
} |
| 749 | 749 |
|
| 750 | 750 |
int integer() {
|
| 751 | 751 |
return integer<int>(); |
| 752 | 752 |
} |
| 753 | 753 |
|
| 754 | 754 |
/// \brief Returns a random bool |
| 755 | 755 |
/// |
| 756 | 756 |
/// It returns a random bool. The generator holds a buffer for |
| 757 | 757 |
/// random bits. Every time when it become empty the generator makes |
| 758 | 758 |
/// a new random word and fill the buffer up. |
| 759 | 759 |
bool boolean() {
|
| 760 | 760 |
return bool_producer.convert(core); |
| 761 | 761 |
} |
| 762 | 762 |
|
| 763 | 763 |
/// @} |
| 764 | 764 |
|
| 765 |
///\name Non-uniform |
|
| 765 |
///\name Non-uniform Distributions |
|
| 766 | 766 |
/// |
| 767 | 767 |
///@{
|
| 768 | 768 |
|
| 769 | 769 |
/// \brief Returns a random bool with given probability of true result. |
| 770 | 770 |
/// |
| 771 | 771 |
/// It returns a random bool with given probability of true result. |
| 772 | 772 |
bool boolean(double p) {
|
| 773 | 773 |
return operator()() < p; |
| 774 | 774 |
} |
| 775 | 775 |
|
| 776 | 776 |
/// Standard normal (Gauss) distribution |
| 777 | 777 |
|
| 778 | 778 |
/// Standard normal (Gauss) distribution. |
| 779 | 779 |
/// \note The Cartesian form of the Box-Muller |
| 780 | 780 |
/// transformation is used to generate a random normal distribution. |
| 781 | 781 |
double gauss() |
| 782 | 782 |
{
|
| 783 | 783 |
double V1,V2,S; |
| 784 | 784 |
do {
|
| 785 | 785 |
V1=2*real<double>()-1; |
| 786 | 786 |
V2=2*real<double>()-1; |
| 787 | 787 |
S=V1*V1+V2*V2; |
| 788 | 788 |
} while(S>=1); |
| 789 | 789 |
return std::sqrt(-2*std::log(S)/S)*V1; |
| ... | ... |
@@ -917,49 +917,49 @@ |
| 917 | 917 |
|
| 918 | 918 |
/// This function generates a Poisson distribution random number with |
| 919 | 919 |
/// parameter \c lambda. |
| 920 | 920 |
/// |
| 921 | 921 |
/// The probability mass function of this distribusion is |
| 922 | 922 |
/// \f[ \frac{e^{-\lambda}\lambda^k}{k!} \f]
|
| 923 | 923 |
/// \note The algorithm is taken from the book of Donald E. Knuth titled |
| 924 | 924 |
/// ''Seminumerical Algorithms'' (1969). Its running time is linear in the |
| 925 | 925 |
/// return value. |
| 926 | 926 |
|
| 927 | 927 |
int poisson(double lambda) |
| 928 | 928 |
{
|
| 929 | 929 |
const double l = std::exp(-lambda); |
| 930 | 930 |
int k=0; |
| 931 | 931 |
double p = 1.0; |
| 932 | 932 |
do {
|
| 933 | 933 |
k++; |
| 934 | 934 |
p*=real<double>(); |
| 935 | 935 |
} while (p>=l); |
| 936 | 936 |
return k-1; |
| 937 | 937 |
} |
| 938 | 938 |
|
| 939 | 939 |
///@} |
| 940 | 940 |
|
| 941 |
///\name Two |
|
| 941 |
///\name Two Dimensional Distributions |
|
| 942 | 942 |
/// |
| 943 | 943 |
///@{
|
| 944 | 944 |
|
| 945 | 945 |
/// Uniform distribution on the full unit circle |
| 946 | 946 |
|
| 947 | 947 |
/// Uniform distribution on the full unit circle. |
| 948 | 948 |
/// |
| 949 | 949 |
dim2::Point<double> disc() |
| 950 | 950 |
{
|
| 951 | 951 |
double V1,V2; |
| 952 | 952 |
do {
|
| 953 | 953 |
V1=2*real<double>()-1; |
| 954 | 954 |
V2=2*real<double>()-1; |
| 955 | 955 |
|
| 956 | 956 |
} while(V1*V1+V2*V2>=1); |
| 957 | 957 |
return dim2::Point<double>(V1,V2); |
| 958 | 958 |
} |
| 959 | 959 |
/// A kind of two dimensional normal (Gauss) distribution |
| 960 | 960 |
|
| 961 | 961 |
/// This function provides a turning symmetric two-dimensional distribution. |
| 962 | 962 |
/// Both coordinates are of standard normal distribution, but they are not |
| 963 | 963 |
/// independent. |
| 964 | 964 |
/// |
| 965 | 965 |
/// \note The coordinates are the two random variables provided by |
| ... | ... |
@@ -267,49 +267,49 @@ |
| 267 | 267 |
delete _flow; |
| 268 | 268 |
_local_flow = false; |
| 269 | 269 |
} |
| 270 | 270 |
_flow = ↦ |
| 271 | 271 |
return *this; |
| 272 | 272 |
} |
| 273 | 273 |
|
| 274 | 274 |
/// \brief Set the potential map. |
| 275 | 275 |
/// |
| 276 | 276 |
/// This function sets the potential map. |
| 277 | 277 |
/// |
| 278 | 278 |
/// The potentials provide the dual solution of the underlying |
| 279 | 279 |
/// minimum cost flow problem. |
| 280 | 280 |
/// |
| 281 | 281 |
/// \return <tt>(*this)</tt> |
| 282 | 282 |
Suurballe& potentialMap(PotentialMap &map) {
|
| 283 | 283 |
if (_local_potential) {
|
| 284 | 284 |
delete _potential; |
| 285 | 285 |
_local_potential = false; |
| 286 | 286 |
} |
| 287 | 287 |
_potential = ↦ |
| 288 | 288 |
return *this; |
| 289 | 289 |
} |
| 290 | 290 |
|
| 291 |
/// \name Execution |
|
| 291 |
/// \name Execution Control |
|
| 292 | 292 |
/// The simplest way to execute the algorithm is to call the run() |
| 293 | 293 |
/// function. |
| 294 | 294 |
/// \n |
| 295 | 295 |
/// If you only need the flow that is the union of the found |
| 296 | 296 |
/// arc-disjoint paths, you may call init() and findFlow(). |
| 297 | 297 |
|
| 298 | 298 |
/// @{
|
| 299 | 299 |
|
| 300 | 300 |
/// \brief Run the algorithm. |
| 301 | 301 |
/// |
| 302 | 302 |
/// This function runs the algorithm. |
| 303 | 303 |
/// |
| 304 | 304 |
/// \param k The number of paths to be found. |
| 305 | 305 |
/// |
| 306 | 306 |
/// \return \c k if there are at least \c k arc-disjoint paths from |
| 307 | 307 |
/// \c s to \c t in the digraph. Otherwise it returns the number of |
| 308 | 308 |
/// arc-disjoint paths found. |
| 309 | 309 |
/// |
| 310 | 310 |
/// \note Apart from the return value, <tt>s.run(k)</tt> is just a |
| 311 | 311 |
/// shortcut of the following code. |
| 312 | 312 |
/// \code |
| 313 | 313 |
/// s.init(); |
| 314 | 314 |
/// s.findFlow(k); |
| 315 | 315 |
/// s.findPaths(); |
| ... | ... |
@@ -266,49 +266,49 @@ |
| 266 | 266 |
///granularity. |
| 267 | 267 |
///Therefore this tool is not appropriate to measure very short times. |
| 268 | 268 |
///Also, if you start and stop the timer very frequently, it could lead to |
| 269 | 269 |
///distorted results. |
| 270 | 270 |
/// |
| 271 | 271 |
///\note If you want to measure the running time of the execution of a certain |
| 272 | 272 |
///function, consider the usage of \ref TimeReport instead. |
| 273 | 273 |
/// |
| 274 | 274 |
///\sa TimeReport |
| 275 | 275 |
class Timer |
| 276 | 276 |
{
|
| 277 | 277 |
int _running; //Timer is running iff _running>0; (_running>=0 always holds) |
| 278 | 278 |
TimeStamp start_time; //This is the relativ start-time if the timer |
| 279 | 279 |
//is _running, the collected _running time otherwise. |
| 280 | 280 |
|
| 281 | 281 |
void _reset() {if(_running) start_time.stamp(); else start_time.reset();}
|
| 282 | 282 |
|
| 283 | 283 |
public: |
| 284 | 284 |
///Constructor. |
| 285 | 285 |
|
| 286 | 286 |
///\param run indicates whether or not the timer starts immediately. |
| 287 | 287 |
/// |
| 288 | 288 |
Timer(bool run=true) :_running(run) {_reset();}
|
| 289 | 289 |
|
| 290 |
///\name Control the |
|
| 290 |
///\name Control the State of the Timer |
|
| 291 | 291 |
///Basically a Timer can be either running or stopped, |
| 292 | 292 |
///but it provides a bit finer control on the execution. |
| 293 | 293 |
///The \ref lemon::Timer "Timer" also counts the number of |
| 294 | 294 |
///\ref lemon::Timer::start() "start()" executions, and it stops |
| 295 | 295 |
///only after the same amount (or more) \ref lemon::Timer::stop() |
| 296 | 296 |
///"stop()"s. This can be useful e.g. to compute the running time |
| 297 | 297 |
///of recursive functions. |
| 298 | 298 |
|
| 299 | 299 |
///@{
|
| 300 | 300 |
|
| 301 | 301 |
///Reset and stop the time counters |
| 302 | 302 |
|
| 303 | 303 |
///This function resets and stops the time counters |
| 304 | 304 |
///\sa restart() |
| 305 | 305 |
void reset() |
| 306 | 306 |
{
|
| 307 | 307 |
_running=0; |
| 308 | 308 |
_reset(); |
| 309 | 309 |
} |
| 310 | 310 |
|
| 311 | 311 |
///Start the time counters |
| 312 | 312 |
|
| 313 | 313 |
///This function starts the time counters. |
| 314 | 314 |
/// |
| ... | ... |
@@ -374,49 +374,49 @@ |
| 374 | 374 |
///Returns the running state of the timer |
| 375 | 375 |
|
| 376 | 376 |
///This function returns the number of stop() exections that is |
| 377 | 377 |
///necessary to really stop the timer. |
| 378 | 378 |
///For example the timer |
| 379 | 379 |
///is running if and only if the return value is \c true |
| 380 | 380 |
///(i.e. greater than |
| 381 | 381 |
///zero). |
| 382 | 382 |
int running() { return _running; }
|
| 383 | 383 |
|
| 384 | 384 |
|
| 385 | 385 |
///Restart the time counters |
| 386 | 386 |
|
| 387 | 387 |
///This function is a shorthand for |
| 388 | 388 |
///a reset() and a start() calls. |
| 389 | 389 |
/// |
| 390 | 390 |
void restart() |
| 391 | 391 |
{
|
| 392 | 392 |
reset(); |
| 393 | 393 |
start(); |
| 394 | 394 |
} |
| 395 | 395 |
|
| 396 | 396 |
///@} |
| 397 | 397 |
|
| 398 |
///\name Query Functions for the |
|
| 398 |
///\name Query Functions for the Ellapsed Time |
|
| 399 | 399 |
|
| 400 | 400 |
///@{
|
| 401 | 401 |
|
| 402 | 402 |
///Gives back the ellapsed user time of the process |
| 403 | 403 |
double userTime() const |
| 404 | 404 |
{
|
| 405 | 405 |
return operator TimeStamp().userTime(); |
| 406 | 406 |
} |
| 407 | 407 |
///Gives back the ellapsed system time of the process |
| 408 | 408 |
double systemTime() const |
| 409 | 409 |
{
|
| 410 | 410 |
return operator TimeStamp().systemTime(); |
| 411 | 411 |
} |
| 412 | 412 |
///Gives back the ellapsed user time of the process' children |
| 413 | 413 |
|
| 414 | 414 |
///\note On <tt>WIN32</tt> platform this value is not calculated. |
| 415 | 415 |
/// |
| 416 | 416 |
double cUserTime() const |
| 417 | 417 |
{
|
| 418 | 418 |
return operator TimeStamp().cUserTime(); |
| 419 | 419 |
} |
| 420 | 420 |
///Gives back the ellapsed user time of the process' children |
| 421 | 421 |
|
| 422 | 422 |
///\note On <tt>WIN32</tt> platform this value is not calculated. |
| ... | ... |
@@ -2,53 +2,52 @@ |
| 2 | 2 |
* |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2009 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| 9 | 9 |
* Permission to use, modify and distribute this software is granted |
| 10 | 10 |
* provided that this copyright notice appears in all copies. For |
| 11 | 11 |
* precise terms see the accompanying LICENSE file. |
| 12 | 12 |
* |
| 13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| 14 | 14 |
* express or implied, and with no claim as to its suitability for any |
| 15 | 15 |
* purpose. |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 | 19 |
///\ingroup tools |
| 20 | 20 |
///\file |
| 21 | 21 |
///\brief DIMACS problem solver. |
| 22 | 22 |
/// |
| 23 | 23 |
/// This program solves various problems given in DIMACS format. |
| 24 | 24 |
/// |
| 25 | 25 |
/// See |
| 26 |
/// \ |
|
| 26 |
/// \code |
|
| 27 | 27 |
/// dimacs-solver --help |
| 28 |
/// \ |
|
| 28 |
/// \endcode |
|
| 29 | 29 |
/// for more info on usage. |
| 30 |
/// |
|
| 31 | 30 |
|
| 32 | 31 |
#include <iostream> |
| 33 | 32 |
#include <fstream> |
| 34 | 33 |
#include <cstring> |
| 35 | 34 |
|
| 36 | 35 |
#include <lemon/smart_graph.h> |
| 37 | 36 |
#include <lemon/dimacs.h> |
| 38 | 37 |
#include <lemon/lgf_writer.h> |
| 39 | 38 |
#include <lemon/time_measure.h> |
| 40 | 39 |
|
| 41 | 40 |
#include <lemon/arg_parser.h> |
| 42 | 41 |
#include <lemon/error.h> |
| 43 | 42 |
|
| 44 | 43 |
#include <lemon/dijkstra.h> |
| 45 | 44 |
#include <lemon/preflow.h> |
| 46 | 45 |
#include <lemon/max_matching.h> |
| 47 | 46 |
|
| 48 | 47 |
using namespace lemon; |
| 49 | 48 |
typedef SmartDigraph Digraph; |
| 50 | 49 |
DIGRAPH_TYPEDEFS(Digraph); |
| 51 | 50 |
typedef SmartGraph Graph; |
| 52 | 51 |
|
| 53 | 52 |
template<class Value> |
| 54 | 53 |
void solve_sp(ArgParser &ap, std::istream &is, std::ostream &, |
| ... | ... |
@@ -3,53 +3,52 @@ |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2009 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| 9 | 9 |
* Permission to use, modify and distribute this software is granted |
| 10 | 10 |
* provided that this copyright notice appears in all copies. For |
| 11 | 11 |
* precise terms see the accompanying LICENSE file. |
| 12 | 12 |
* |
| 13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| 14 | 14 |
* express or implied, and with no claim as to its suitability for any |
| 15 | 15 |
* purpose. |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 | 19 |
///\ingroup tools |
| 20 | 20 |
///\file |
| 21 | 21 |
///\brief DIMACS to LGF converter. |
| 22 | 22 |
/// |
| 23 | 23 |
/// This program converts various DIMACS formats to the LEMON Digraph Format |
| 24 | 24 |
/// (LGF). |
| 25 | 25 |
/// |
| 26 | 26 |
/// See |
| 27 |
/// \ |
|
| 27 |
/// \code |
|
| 28 | 28 |
/// dimacs-to-lgf --help |
| 29 |
/// \endverbatim |
|
| 30 |
/// for more info on usage. |
|
| 31 |
/// |
|
| 29 |
/// \endcode |
|
| 30 |
/// for more info on the usage. |
|
| 32 | 31 |
|
| 33 | 32 |
#include <iostream> |
| 34 | 33 |
#include <fstream> |
| 35 | 34 |
#include <cstring> |
| 36 | 35 |
|
| 37 | 36 |
#include <lemon/smart_graph.h> |
| 38 | 37 |
#include <lemon/dimacs.h> |
| 39 | 38 |
#include <lemon/lgf_writer.h> |
| 40 | 39 |
|
| 41 | 40 |
#include <lemon/arg_parser.h> |
| 42 | 41 |
#include <lemon/error.h> |
| 43 | 42 |
|
| 44 | 43 |
using namespace std; |
| 45 | 44 |
using namespace lemon; |
| 46 | 45 |
|
| 47 | 46 |
|
| 48 | 47 |
int main(int argc, const char *argv[]) {
|
| 49 | 48 |
typedef SmartDigraph Digraph; |
| 50 | 49 |
|
| 51 | 50 |
typedef Digraph::Arc Arc; |
| 52 | 51 |
typedef Digraph::Node Node; |
| 53 | 52 |
typedef Digraph::ArcIt ArcIt; |
| 54 | 53 |
typedef Digraph::NodeIt NodeIt; |
| 55 | 54 |
typedef Digraph::ArcMap<double> DoubleArcMap; |
| ... | ... |
@@ -2,54 +2,52 @@ |
| 2 | 2 |
* |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2009 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| 9 | 9 |
* Permission to use, modify and distribute this software is granted |
| 10 | 10 |
* provided that this copyright notice appears in all copies. For |
| 11 | 11 |
* precise terms see the accompanying LICENSE file. |
| 12 | 12 |
* |
| 13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| 14 | 14 |
* express or implied, and with no claim as to its suitability for any |
| 15 | 15 |
* purpose. |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 | 19 |
/// \ingroup tools |
| 20 | 20 |
/// \file |
| 21 | 21 |
/// \brief Special plane digraph generator. |
| 22 | 22 |
/// |
| 23 | 23 |
/// Graph generator application for various types of plane graphs. |
| 24 | 24 |
/// |
| 25 | 25 |
/// See |
| 26 |
/// \ |
|
| 26 |
/// \code |
|
| 27 | 27 |
/// lgf-gen --help |
| 28 |
/// \ |
|
| 28 |
/// \endcode |
|
| 29 | 29 |
/// for more info on the usage. |
| 30 |
/// |
|
| 31 |
|
|
| 32 | 30 |
|
| 33 | 31 |
#include <algorithm> |
| 34 | 32 |
#include <set> |
| 35 | 33 |
#include <ctime> |
| 36 | 34 |
#include <lemon/list_graph.h> |
| 37 | 35 |
#include <lemon/random.h> |
| 38 | 36 |
#include <lemon/dim2.h> |
| 39 | 37 |
#include <lemon/bfs.h> |
| 40 | 38 |
#include <lemon/counter.h> |
| 41 | 39 |
#include <lemon/suurballe.h> |
| 42 | 40 |
#include <lemon/graph_to_eps.h> |
| 43 | 41 |
#include <lemon/lgf_writer.h> |
| 44 | 42 |
#include <lemon/arg_parser.h> |
| 45 | 43 |
#include <lemon/euler.h> |
| 46 | 44 |
#include <lemon/math.h> |
| 47 | 45 |
#include <lemon/kruskal.h> |
| 48 | 46 |
#include <lemon/time_measure.h> |
| 49 | 47 |
|
| 50 | 48 |
using namespace lemon; |
| 51 | 49 |
|
| 52 | 50 |
typedef dim2::Point<double> Point; |
| 53 | 51 |
|
| 54 | 52 |
GRAPH_TYPEDEFS(ListGraph); |
| 55 | 53 |
|
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