/usr/include/gecode/iter/ranges-array.hpp is in libgecode-dev 4.2.1-2.
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, 2006
*
* Last modified:
* $Date: 2009-01-26 15:15:18 +0100 (Mon, 26 Jan 2009) $ by $Author: schulte $
* $Revision: 8109 $
*
* 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 array of ranges
*
* Allows to iterate the ranges as defined by an array where the
* ranges must be increasing and non-overlapping.
* The ranges can be iterated several times provided the iterator
* is %reset by the reset member function.
*
* \ingroup FuncIterRanges
*/
class Array {
public:
/// %Ranges for array
class Range {
public:
int min; int max;
};
protected:
/// Array for ranges
Range* r;
/// Current range
int c;
/// Number of ranges in array
int n;
public:
/// \name Constructors and initialization
//@{
/// Default constructor
Array(void);
/// Initialize with \a n ranges from \a r
Array(Range* r, int n);
/// Initialize with \a n ranges from \a r
void init(Range* r, int n);
//@}
/// \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);
/// Reset iterator to start from beginning
void reset(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
Array::Array(void) {}
forceinline
Array::Array(Range* r0, int n0)
: r(r0), c(0), n(n0) {}
forceinline void
Array::init(Range* r0, int n0) {
r=r0; c=0; n=n0;
}
forceinline void
Array::operator ++(void) {
c++;
}
forceinline bool
Array::operator ()(void) const {
return c < n;
}
forceinline void
Array::reset(void) {
c=0;
}
forceinline int
Array::min(void) const {
return r[c].min;
}
forceinline int
Array::max(void) const {
return r[c].max;
}
forceinline unsigned int
Array::width(void) const {
return static_cast<unsigned int>(r[c].max-r[c].min)+1;
}
}}}
// STATISTICS: iter-any
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