ranges-array.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, 2006
*
* 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 Array {
public:
class Range {
public:
int min;
int max;
};
protected:
Range* r;
unsigned int c;
unsigned int n;
public:
Array(void);
Array(Range* r, unsigned int n);
Array(Range* r, int n);
void init(Range* r, unsigned int n);
void init(Range* r, int n);
bool operator ()(void) const;
void operator ++(void);
void reset(void);
int min(void) const;
int max(void) const;
unsigned int width(void) const;
};
forceinline
Array::Array(void) {}
forceinline
Array::Array(Range* r0, unsigned int n0)
: r(r0), c(0U), n(n0) {}
forceinline
Array::Array(Range* r0, int n0)
: r(r0), c(0U), n(static_cast<unsigned int>(n0)) {}
forceinline void
Array::init(Range* r0, unsigned int n0) {
r=r0; c=0U; n=n0;
}
forceinline void
Array::init(Range* r0, int n0) {
r=r0; c=0U; n=static_cast<unsigned int>(n0);
}
forceinline void
Array::operator ++(void) {
c++;
}
forceinline bool
Array::operator ()(void) const {
return c < n;
}
forceinline void
Array::reset(void) {
c=0U;
}
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
Gecode::Iter::Ranges::Array::Range
Ranges for array
Definition ranges-array.hpp:49
Gecode::Iter::Ranges::Array::Range::min
int min
Minimum value.
Definition ranges-array.hpp:51
Gecode::Iter::Ranges::Array::Range::max
int max
Maximum value.
Definition ranges-array.hpp:52
Gecode::Iter::Ranges::Array::operator()
bool operator()(void) const
Test whether iterator is still at a range or done.
Definition ranges-array.hpp:124
Gecode::Iter::Ranges::Array::c
unsigned int c
Current range.
Definition ranges-array.hpp:58
Gecode::Iter::Ranges::Array::n
unsigned int n
Number of ranges in array.
Definition ranges-array.hpp:60
Gecode::Iter::Ranges::Array::min
int min(void) const
Return smallest value of range.
Definition ranges-array.hpp:134
Gecode::Iter::Ranges::Array::reset
void reset(void)
Reset iterator to start from beginning.
Definition ranges-array.hpp:129
Gecode::Iter::Ranges::Array::Array
Array(void)
Default constructor.
Definition ranges-array.hpp:99
Gecode::Iter::Ranges::Array::init
void init(Range *r, unsigned int n)
Initialize with n ranges from r.
Definition ranges-array.hpp:110
Gecode::Iter::Ranges::Array::width
unsigned int width(void) const
Return width of range (distance between minimum and maximum).
Definition ranges-array.hpp:142
Gecode::Iter::Ranges::Array::r
Range * r
Array for ranges.
Definition ranges-array.hpp:56
Gecode::Iter::Ranges::Array::max
int max(void) const
Return largest value of range.
Definition ranges-array.hpp:138
Gecode::Iter::Ranges::Array::operator++
void operator++(void)
Move iterator to next range (if possible).
Definition ranges-array.hpp:120
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