ranges-empty.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2004
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
namespace Gecode { namespace Iter { namespace Ranges {
class Empty {
public:
Empty(void);
void init(void);
bool operator ()(void) const;
void operator ++(void);
int min(void) const;
int max(void) const;
unsigned int width(void) const;
};
forceinline
Empty::Empty(void) {}
forceinline void
Empty::init(void) {}
forceinline void
Empty::operator ++(void) {
GECODE_NEVER;
}
forceinline bool
Empty::operator ()(void) const {
return false;
}
forceinline int
Empty::min(void) const {
GECODE_NEVER;
return 0;
}
forceinline int
Empty::max(void) const {
GECODE_NEVER;
return 0;
}
forceinline unsigned int
Empty::width(void) const {
GECODE_NEVER;
return 0;
}
}}}
// STATISTICS: iter-any
Gecode::Iter::Ranges::Empty::Empty
Empty(void)
Default constructor.
Definition ranges-empty.hpp:73
Gecode::Iter::Ranges::Empty::init
void init(void)
Initialize.
Definition ranges-empty.hpp:76
Gecode::Iter::Ranges::Empty::operator()
bool operator()(void) const
Test whether iterator is still at a range or done.
Definition ranges-empty.hpp:84
Gecode::Iter::Ranges::Empty::operator++
void operator++(void)
Move iterator to next range (if possible).
Definition ranges-empty.hpp:79
Gecode::Iter::Ranges::Empty::max
int max(void) const
Return largest value of range.
Definition ranges-empty.hpp:94
Gecode::Iter::Ranges::Empty::min
int min(void) const
Return smallest value of range.
Definition ranges-empty.hpp:89
Gecode::Iter::Ranges::Empty::width
unsigned int width(void) const
Return width of range (distance between minimum and maximum).
Definition ranges-empty.hpp:99
Gecode::Iter::Ranges
Range iterators.
Definition iter.hh:43
Gecode::Iter
Range and value iterators.
Definition iter.hh:41
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187
GECODE_NEVER
#define GECODE_NEVER
Assert that this command is never executed.
Definition macros.hpp:56