/usr/include/gecode/iter/values-positive.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2008
*
* Last modified:
* $Date: 2010-07-28 17:35:33 +0200 (Wed, 28 Jul 2010) $ by $Author: schulte $
* $Revision: 11294 $
*
* 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 Values {
/**
* \brief Value iterator for selecting only positive values
*
* If \a strict is true, zero is included.
* \ingroup FuncIterValues
*/
template<class I, bool strict=false>
class Positive {
protected:
/// Input iterator
I i;
public:
/// \name Constructors and initialization
//@{
/// Default constructor
Positive(void);
/// Initialize with values from \a i
Positive(I& i);
/// Initialize with values from \a i
void init(I& i);
//@}
/// \name Iteration control
//@{
/// Test whether iterator is still at a value or done
bool operator ()(void) const;
/// Move iterator to next value (if possible)
void operator ++(void);
//@}
/// \name Value access
//@{
/// Return current value
int val(void) const;
//@}
};
template<class I, bool strict>
forceinline
Positive<I,strict>::Positive(void) {}
template<class I, bool strict>
forceinline void
Positive<I,strict>::init(I& i0) {
i=i0;
if (strict) {
while (i() && (i.val() <= 0)) ++i;
} else {
while (i() && (i.val() < 0)) ++i;
}
}
template<class I, bool strict>
forceinline
Positive<I,strict>::Positive(I& i0) : i(i0) {
if (strict) {
while (i() && (i.val() <= 0)) ++i;
} else {
while (i() && (i.val() < 0)) ++i;
}
}
template<class I, bool strict>
forceinline void
Positive<I,strict>::operator ++(void) {
++i;
}
template<class I, bool strict>
forceinline bool
Positive<I,strict>::operator ()(void) const {
return i();
}
template<class I, bool strict>
forceinline int
Positive<I,strict>::val(void) const {
return i.val();
}
}}}
// STATISTICS: iter-any
|