test/counter_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Sun, 12 Oct 2008 19:59:06 +0100
changeset 321 a412d990f043
parent 171 02f4d5d9bfd7
child 463 88ed40ad0d4f
permissions -rw-r--r--
Merge
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library.
     4  *
     5  * Copyright (C) 2003-2008
     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).
     8  *
     9  * Permission to use, modify and distribute this software is granted
    10  * provided that this copyright notice appears in all copies. For
    11  * precise terms see the accompanying LICENSE file.
    12  *
    13  * This software is provided "AS IS" with no warranty of any kind,
    14  * express or implied, and with no claim as to its suitability for any
    15  * purpose.
    16  *
    17  */
    18 
    19 #include <lemon/counter.h>
    20 #include <vector>
    21 
    22 using namespace lemon;
    23 
    24 template <typename T>
    25 void bubbleSort(std::vector<T>& v) {
    26   Counter op("Bubble Sort - Operations: ");
    27   Counter::NoSubCounter as(op, "Assignments: ");
    28   Counter::NoSubCounter co(op, "Comparisons: ");
    29   for (int i = v.size()-1; i > 0; --i) {
    30     for (int j = 0; j < i; ++j) {
    31       if (v[j] > v[j+1]) {
    32         T tmp = v[j];
    33         v[j] = v[j+1];
    34         v[j+1] = tmp;
    35         as += 3;
    36       }
    37       ++co;
    38     }
    39   }
    40 }
    41 
    42 template <typename T>
    43 void insertionSort(std::vector<T>& v) {
    44   Counter op("Insertion Sort - Operations: ");
    45   Counter::NoSubCounter as(op, "Assignments: ");
    46   Counter::NoSubCounter co(op, "Comparisons: ");
    47   for (int i = 1; i < int(v.size()); ++i) {
    48     T value = v[i];
    49     ++as;
    50     int j = i;
    51     while (j > 0 && v[j-1] > value) {
    52       v[j] = v[j-1];
    53       --j;
    54       ++co; ++as;
    55     }
    56     v[j] = value;
    57     ++as;
    58   }
    59 }
    60 
    61 template <typename MyCounter>
    62 void counterTest() {
    63   MyCounter c("Main Counter: ");
    64   c++;
    65   typename MyCounter::SubCounter d(c, "SubCounter: ");
    66   d++;
    67   typename MyCounter::SubCounter::NoSubCounter e(d, "SubSubCounter: ");
    68   e++;
    69   d+=3;
    70   c-=4;
    71   e-=2;
    72   c.reset(2);
    73   c.reset();
    74 }
    75 
    76 void init(std::vector<int>& v) {
    77   v[0] = 10; v[1] = 60; v[2] = 20; v[3] = 90; v[4] = 100;
    78   v[5] = 80; v[6] = 40; v[7] = 30; v[8] = 50; v[9] = 70;
    79 }
    80 
    81 int main()
    82 {
    83   counterTest<Counter>();
    84   counterTest<NoCounter>();
    85 
    86   std::vector<int> x(10);
    87   init(x); bubbleSort(x);
    88   init(x); insertionSort(x);
    89 
    90   return 0;
    91 }