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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* Copyright:
* Christian Schulte, 2013
*
* 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.
*
*/
#include <gecode/float/rel.hh>
namespace Gecode {
void
dom(Home home, FloatVar x, FloatVal n) {
using namespace Float;
Limits::check(n,"Float::dom");
GECODE_POST;
FloatView xv(x);
GECODE_ME_FAIL(xv.eq(home,n));
}
void
dom(Home home, const FloatVarArgs& x, FloatVal n) {
using namespace Float;
Limits::check(n,"Float::dom");
GECODE_POST;
for (int i=x.size(); i--; ) {
FloatView xv(x[i]);
GECODE_ME_FAIL(xv.eq(home,n));
}
}
void
dom(Home home, FloatVar x, FloatNum min, FloatNum max) {
using namespace Float;
Limits::check(min,"Float::dom");
Limits::check(max,"Float::dom");
GECODE_POST;
FloatView xv(x);
GECODE_ME_FAIL(xv.gq(home,min));
GECODE_ME_FAIL(xv.lq(home,max));
}
void
dom(Home home, const FloatVarArgs& x, FloatNum min, FloatNum max) {
using namespace Float;
Limits::check(min,"Float::dom");
Limits::check(max,"Float::dom");
GECODE_POST;
for (int i=x.size(); i--; ) {
FloatView xv(x[i]);
GECODE_ME_FAIL(xv.gq(home,min));
GECODE_ME_FAIL(xv.lq(home,max));
}
}
void
dom(Home home, FloatVar x, FloatVal n, Reify r) {
using namespace Float;
Limits::check(n,"Float::dom");
GECODE_POST;
switch (r.mode()) {
case RM_EQV:
GECODE_ES_FAIL((Rel::ReEqFloat<FloatView,Int::BoolView,RM_EQV>
::post(home,x,n,r.var())));
break;
case RM_IMP:
GECODE_ES_FAIL((Rel::ReEqFloat<FloatView,Int::BoolView,RM_IMP>
::post(home,x,n,r.var())));
break;
case RM_PMI:
GECODE_ES_FAIL((Rel::ReEqFloat<FloatView,Int::BoolView,RM_PMI>
::post(home,x,n,r.var())));
break;
default: throw Int::UnknownReifyMode("Float::dom");
}
}
void
dom(Home home, FloatVar x, FloatNum min, FloatNum max, Reify r) {
using namespace Float;
if (min > max) {
Int::BoolView b(r.var());
switch (r.mode()) {
case RM_EQV:
case RM_IMP:
GECODE_ME_FAIL(b.zero(home));
break;
case RM_PMI:
break;
default: throw Int::UnknownReifyMode("Float::dom");
}
} else {
FloatVal n(min,max);
dom(home,x,n,r);
}
}
void
dom(Home home, FloatVar x, FloatVar d) {
using namespace Float;
GECODE_POST;
FloatView xv(x), dv(d);
if (xv != dv) {
GECODE_ME_FAIL(xv.lq(home,dv.max()));
GECODE_ME_FAIL(xv.gq(home,dv.min()));
}
}
void
dom(Home home, const FloatVarArgs& x, const FloatVarArgs& d) {
using namespace Float;
if (x.size() != d.size())
throw ArgumentSizeMismatch("Float::dom");
for (int i=x.size(); i--; ) {
GECODE_POST;
FloatView xv(x[i]), dv(d[i]);
if (xv != dv) {
GECODE_ME_FAIL(xv.lq(home,dv.max()));
GECODE_ME_FAIL(xv.gq(home,dv.min()));
}
}
}
}
// STATISTICS: float-post
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