/usr/include/gecode/iter/ranges-empty.hpp is in libgecode-dev 4.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2004
*
* Last modified:
* $Date: 2008-12-05 16:43:57 +0100 (Fri, 05 Dec 2008) $ by $Author: schulte $
* $Revision: 7989 $
*
* 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 {
/**
* \brief Range iterator for empty range
*
* \ingroup FuncIterRanges
*/
class Empty {
public:
/// \name Constructors and initialization
//@{
/// Default constructor
Empty(void);
/// Initialize
void init(void);
//@}
/// \name Iteration control
//@{
/// Test whether iterator is still at a range or done
bool operator ()(void) const;
/// Move iterator to next range (if possible)
void operator ++(void);
//@}
/// \name Range access
//@{
/// Return smallest value of range
int min(void) const;
/// Return largest value of range
int max(void) const;
/// Return width of range (distance between minimum and maximum)
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
|