| author | Peter Kovacs <kpeter@inf.elte.hu> |
| Fri, 16 Oct 2009 09:35:46 +0200 | |
| changeset 857 | abb95d48e89e |
| parent 285 | d8dc5acf739b |
| child 997 | 761fe0846f49 |
| permissions | -rw-r--r-- |
| alpar@209 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
| alpar@25 | 2 |
* |
| alpar@209 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| alpar@25 | 4 |
* |
| alpar@440 | 5 |
* Copyright (C) 2003-2009 |
| alpar@25 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| alpar@25 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| alpar@25 | 8 |
* |
| alpar@25 | 9 |
* Permission to use, modify and distribute this software is granted |
| alpar@25 | 10 |
* provided that this copyright notice appears in all copies. For |
| alpar@25 | 11 |
* precise terms see the accompanying LICENSE file. |
| alpar@25 | 12 |
* |
| alpar@25 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| alpar@25 | 14 |
* express or implied, and with no claim as to its suitability for any |
| alpar@25 | 15 |
* purpose. |
| alpar@25 | 16 |
* |
| alpar@25 | 17 |
*/ |
| alpar@25 | 18 |
|
| alpar@285 | 19 |
// The contents of this file was inspired by the concept checking |
| alpar@285 | 20 |
// utility of the BOOST library (http://www.boost.org). |
| alpar@25 | 21 |
|
| kpeter@53 | 22 |
///\file |
| kpeter@53 | 23 |
///\brief Basic utilities for concept checking. |
| kpeter@53 | 24 |
/// |
| kpeter@53 | 25 |
|
| kpeter@53 | 26 |
#ifndef LEMON_CONCEPT_CHECK_H |
| kpeter@53 | 27 |
#define LEMON_CONCEPT_CHECK_H |
| alpar@25 | 28 |
|
| alpar@25 | 29 |
namespace lemon {
|
| alpar@25 | 30 |
|
| alpar@25 | 31 |
/* |
| alpar@25 | 32 |
"inline" is used for ignore_unused_variable_warning() |
| alpar@25 | 33 |
and function_requires() to make sure there is no |
| alpar@25 | 34 |
overtarget with g++. |
| alpar@25 | 35 |
*/ |
| alpar@25 | 36 |
|
| alpar@25 | 37 |
template <class T> inline void ignore_unused_variable_warning(const T&) { }
|
| alpar@25 | 38 |
|
| kpeter@53 | 39 |
///\e |
| alpar@25 | 40 |
template <class Concept> |
| alpar@25 | 41 |
inline void function_requires() |
| alpar@25 | 42 |
{
|
| alpar@25 | 43 |
#if !defined(NDEBUG) |
| alpar@25 | 44 |
void (Concept::*x)() = & Concept::constraints; |
| alpar@25 | 45 |
ignore_unused_variable_warning(x); |
| alpar@25 | 46 |
#endif |
| alpar@25 | 47 |
} |
| alpar@25 | 48 |
|
| kpeter@53 | 49 |
///\e |
| alpar@25 | 50 |
template <typename Concept, typename Type> |
| alpar@25 | 51 |
inline void checkConcept() {
|
| alpar@25 | 52 |
#if !defined(NDEBUG) |
| alpar@25 | 53 |
typedef typename Concept::template Constraints<Type> ConceptCheck; |
| alpar@25 | 54 |
void (ConceptCheck::*x)() = & ConceptCheck::constraints; |
| alpar@25 | 55 |
ignore_unused_variable_warning(x); |
| alpar@25 | 56 |
#endif |
| alpar@25 | 57 |
} |
| alpar@25 | 58 |
|
| alpar@25 | 59 |
} // namespace lemon |
| alpar@25 | 60 |
|
| kpeter@53 | 61 |
#endif // LEMON_CONCEPT_CHECK_H |