iter.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, 2009
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
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#include <algorithm>
namespace Gecode { namespace Int {
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline
TaskViewIter<TaskView,sto,inc>::TaskViewIter(void) {}
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline
TaskViewIter<TaskView,sto,inc>
::TaskViewIter(Region& r, const TaskViewArray<TaskView>& t)
: map(r.alloc<int>(t.size())), i(t.size()-1) {
sort<TaskView,sto,!inc>(map,t);
}
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline bool
TaskViewIter<TaskView,sto,inc>::operator ()(void) const {
return i>=0;
}
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline int
TaskViewIter<TaskView,sto,inc>::left(void) const {
return i+1;
}
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline void
TaskViewIter<TaskView,sto,inc>::operator ++(void) {
i--;
}
template<class TaskView, SortTaskOrder sto, bool inc>
forceinline int
TaskViewIter<TaskView,sto,inc>::task(void) const {
return map[i];
}
template<class OptTaskView, SortTaskOrder sto, bool inc>
forceinline
ManTaskViewIter<OptTaskView,sto,inc>
::ManTaskViewIter(Region& r, const TaskViewArray<OptTaskView>& t) {
map = r.alloc<int>(t.size()); i=0;
for (int j=0; j<t.size(); j++)
if (t[j].mandatory())
map[i++]=j;
sort<OptTaskView,sto,!inc>(map,i,t);
i--;
}
}}
// STATISTICS: int-prop
Gecode::Int::ManTaskViewIter
Allows to iterate over mandatory task views according to a specified order.
Definition task.hh:339
Gecode::Int::TaskViewArray
Task view array.
Definition task.hh:233
Gecode::Int::TaskViewArray::size
int size(void) const
Return size of array (number of elements).
Definition array.hpp:142
Gecode::Int::TaskViewIter
Allows to iterate over task views according to a specified order.
Definition task.hh:309
Gecode::Int::TaskViewIter::operator++
void operator++(void)
Move iterator to next task.
Definition iter.hpp:62
Gecode::Int::TaskViewIter::operator()
bool operator()(void) const
Test whether iterator is still at a task.
Definition iter.hpp:52
Gecode::Int::TaskViewIter::map
int * map
Map for iteration order.
Definition task.hh:312
Gecode::Int::TaskViewIter::task
int task(void) const
Return current task position.
Definition iter.hpp:68
Gecode::Int::TaskViewIter::left
int left(void) const
How many tasks are left to be iterated.
Definition iter.hpp:57
Gecode::Int::TaskViewIter::i
int i
Current position.
Definition task.hh:314
Gecode::Int::TaskViewIter::TaskViewIter
TaskViewIter(void)
Default constructor (no initialization).
Definition iter.hpp:40
Gecode::Region
Handle to region.
Definition region.hpp:55
Gecode::Int
Finite domain integers.
Gecode::Int::sort
void sort(TaskViewArray< TaskView > &t)
Sort task view array t according to sto and inc (increasing or decreasing).
Definition sort.hpp:133
Gecode
Gecode toplevel namespace
forceinline
#define forceinline
Definition config.hpp:187