/usr/include/gecode/int/linear/int-noview.hpp is in libgecode-dev 3.7.1-3.
This file is owned by root:root, with mode 0o644.
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/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2002
*
* Last modified:
* $Date: 2011-09-28 14:14:32 +0200 (Wed, 28 Sep 2011) $ by $Author: tack $
* $Revision: 12417 $
*
* 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 Int { namespace Linear {
/**
* \brief No view serves as filler for empty view arrays
*
*/
class NoView : public ConstView<IntView> {
public:
/// \name Constructors and initialization
//@{
/// Default constructor
NoView(void) {}
//@}
/// \name Value access
//@{
/// Return minimum of domain
int min(void) const { return 0; }
/// Return maximum of domain
int max(void) const { return 0; }
/// Return median of domain (greatest element not greater than the median)
int med(void) const { return 0; }
/// Return assigned value (only if assigned)
int val(void) const { return 0; }
/// Return size (cardinality) of domain
unsigned int size(void) const { return 1; }
/// Return width of domain (distance between maximum and minimum)
unsigned int width(void) const { return 1; }
/// Return regret of domain minimum (distance to next larger value)
unsigned int regret_min(void) const { return 0; }
/// Return regret of domain maximum (distance to next smaller value)
unsigned int regret_max(void) const { return 0; }
//@}
/// \name Domain tests
//@{
/// Test whether domain is a range
bool range(void) const { return true; }
/// Test whether view is assigned
bool assigned(void) const { return true; }
/// Test whether \a n is contained in domain
bool in(int n) const { (void) n; return false; }
/// Test whether \a n is contained in domain
bool in(double n) const { (void) n; return false; }
//@}
/// \name Domain update by value
//@{
/// Restrict domain values to be less or equal than \a n
ModEvent lq(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be less or equal than \a n
ModEvent lq(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be less than \a n
ModEvent le(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be less than \a n
ModEvent le(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be greater or equal than \a n
ModEvent gq(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be greater or equal than \a n
ModEvent gq(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be greater than \a n
ModEvent gr(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be greater than \a n
ModEvent gr(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be different from \a n
ModEvent nq(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be different from \a n
ModEvent nq(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be equal to \a n
ModEvent eq(Space& home, int n) {
(void) home; (void) n;
return ME_INT_NONE;
}
/// Restrict domain values to be equal to \a n
ModEvent eq(Space& home, double n) {
(void) home; (void) n;
return ME_INT_NONE;
}
//@}
};
/**
* \brief Print integer variable view
* \relates Gecode::Int::Linear::NoView
*/
template<class Char, class Traits>
std::basic_ostream<Char,Traits>&
operator <<(std::basic_ostream<Char,Traits>& os, const NoView&) { return os; }
}}
/**
* \brief View array for no view (empty)
*
*/
template<>
class ViewArray<Int::Linear::NoView> {
public:
/// \name Constructors and initialization
//@{
/// Default constructor (array of size 0)
ViewArray(void) {}
/// Allocate array with \a m variables
ViewArray(Space& home, int m) { (void) home; (void) m; }
/// Initialize
ViewArray(const ViewArray<Int::Linear::NoView>&) {}
/// Initialize
ViewArray(Space&, const ViewArray<Int::Linear::NoView>&) {}
/// Initialize
const ViewArray<Int::Linear::NoView>& operator =(const ViewArray<Int::Linear::NoView>&) { return *this; }
//@}
/// \name Array size
//@{
/// Return size of array (number of elements)
int size(void) const { return 0; }
/// Decrease size of array (number of elements)
void size(int n) { (void) n; }
//@}
/// \name Array elements
//@{
/// Return view at position \a i
Int::Linear::NoView operator [](int i) {
(void) i;
Int::Linear::NoView n;
return n;
}
/// Return view at position \a i
const Int::Linear::NoView operator [](int i) const {
(void) i;
Int::Linear::NoView n;
return n;
}
//@}
/// \name Dependencies
//@{
/// Subscribe propagator \a p with propagation condition \a pc to all views
void subscribe(Space&, Propagator& p, PropCond pc, bool process=true) {
(void) p; (void) pc; (void) process;
}
/// Cancel subscription of propagator \a p with propagation condition \a pc to all views
void cancel(Space& home, Propagator& p, PropCond pc) {
(void) home; (void) p; (void) pc;
}
//@}
/// \name Cloning
//@{
/**
* \brief Update array to be a clone of array \a a
*
* If \a share is true, sharing is retained for all shared
* data structures. Otherwise, for each of them an independent
* copy is created.
*/
void update(Space&, bool share, ViewArray<Int::Linear::NoView>& a) {
(void) share; (void) a;
}
//@}
/// \name Moving elements
//@{
/// Move assigned view from position 0 to position \a i (shift elements to the left)
void move_fst(int i) { (void) i; }
/// Move assigned view from position \c size()-1 to position \a i (truncate array by one)
void move_lst(int i) { (void) i; }
//@}
private:
static void* operator new(size_t);
static void operator delete(void*,size_t);
};
}
// STATISTICS: int-prop
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