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1.8.17
gecode
float
view
rel-test.hpp
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
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*
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* Copyright:
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* Christian Schulte, 2003
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* Vincent Barichard, 2012
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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namespace
Gecode
{
namespace
Float {
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template
<
class
View>
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forceinline
RelTest
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rtest_eq
(View
x
, View
y
) {
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if
((
x
.min() >
y
.max()) || (
x
.max() <
y
.min()))
return
RT_FALSE
;
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return
(
x
.
assigned
() &&
y
.
assigned
()) ?
RT_TRUE
:
RT_MAYBE
;
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}
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template
<
class
View>
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forceinline
RelTest
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rtest_eq
(View
x
,
FloatVal
n
) {
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if
((
x
.min() >
n
.max()) || (
x
.max() <
n
.min()))
return
RT_FALSE
;
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return
x
.
assigned
() ?
RT_TRUE
:
RT_MAYBE
;
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}
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template
<
class
View>
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forceinline
RelTest
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rtest_lq
(View
x
, View
y
) {
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if
(
x
.max() <=
y
.min())
return
RT_TRUE
;
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if
(
x
.min() >
y
.max())
return
RT_FALSE
;
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return
RT_MAYBE
;
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}
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template
<
class
View>
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forceinline
RelTest
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rtest_lq
(View
x
,
FloatVal
n
) {
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if
(
x
.max() <=
n
.min())
return
RT_TRUE
;
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if
(
x
.min() >
n
.max())
return
RT_FALSE
;
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return
RT_MAYBE
;
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}
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template
<
class
View>
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forceinline
RelTest
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rtest_le
(View
x
, View
y
) {
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if
(
x
.max() <
y
.min())
return
RT_TRUE
;
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if
(
x
.min() >=
y
.max())
return
RT_FALSE
;
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return
RT_MAYBE
;
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}
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template
<
class
View>
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forceinline
RelTest
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rtest_le
(View
x
,
FloatVal
n
) {
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if
(
x
.max() <
n
.min())
return
RT_TRUE
;
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if
(
x
.min() >=
n
.max())
return
RT_FALSE
;
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return
RT_MAYBE
;
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}
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}}
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// STATISTICS: float-var
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Gecode::x
Post propagator for SetVar x
Definition:
set.hh:767
Gecode::y
Post propagator for SetVar SetOpType SetVar y
Definition:
set.hh:767
Gecode::Float::RT_MAYBE
@ RT_MAYBE
Relation may hold or not.
Definition:
view.hpp:535
Gecode::Float::RT_FALSE
@ RT_FALSE
Relation does not hold.
Definition:
view.hpp:534
Gecode::VarImpVar::assigned
bool assigned(void) const
Test whether view is assigned.
Definition:
var.hpp:111
Gecode
Gecode toplevel namespace
Gecode::Float::RT_TRUE
@ RT_TRUE
Relation does hold.
Definition:
view.hpp:536
Gecode::Float::RelTest
RelTest
Result of testing relation.
Definition:
view.hpp:533
Gecode::Float::rtest_eq
RelTest rtest_eq(View x, View y)
Test whether views x and y are equal.
Definition:
rel-test.hpp:40
Gecode::FloatVal
Float value type.
Definition:
float.hh:334
forceinline
#define forceinline
Definition:
config.hpp:185
Gecode::Int::RelTest
RelTest
Result of testing relation.
Definition:
view.hpp:1734
n
int n
Number of negative literals for node type.
Definition:
bool-expr.cpp:234
Gecode::Float::rtest_lq
RelTest rtest_lq(View x, View y)
Test whether view x is less or equal than view y.
Definition:
rel-test.hpp:54
Gecode::Float::rtest_le
RelTest rtest_le(View x, View y)
Test whether view x is less than view y.
Definition:
rel-test.hpp:70