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order.cpp
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1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2019
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33
34#include <gecode/int/order.hh>
35
36#include <algorithm>
37
38namespace Gecode {
39
40 void
41 order(Home home, IntVar s0, int p0, IntVar s1, int p1, BoolVar b,
43 using namespace Gecode::Int;
44 Int::Limits::nonnegative(p0,"Int::order");
45 Int::Limits::nonnegative(p1,"Int::order");
46 Int::Limits::check(static_cast<long long int>(s0.max()) + p0,
47 "Int::order");
48 Int::Limits::check(static_cast<long long int>(s1.max()) + p1,
49 "Int::order");
51 GECODE_ES_FAIL(Order::OrderProp::post(home,s0,p0,s1,p1,b));
52 }
53
54}
55
56// STATISTICS: int-post
Boolean integer variables.
Definition int.hh:515
Home class for posting propagators
Definition core.hpp:856
Integer variables.
Definition int.hh:371
int max(void) const
Return maximum of domain.
Definition int.hpp:70
static ExecStatus post(Home home, IntView s0, int p0, IntView s1, int p1, BoolView b)
Post order propagator.
Definition propagate.hpp:48
#define GECODE_POST
Check for failure in a constraint post function.
Definition macros.hpp:40
#define GECODE_ES_FAIL(es)
Check whether execution status es is failed, and fail space home.
Definition macros.hpp:103
IntPropLevel
Propagation levels for integer propagators.
Definition int.hh:989
void nonnegative(int n, const char *l)
Check whether n is in range and nonnegative, otherwise throw out of limits with information l.
Definition limits.hpp:68
void check(int n, const char *l)
Check whether n is in range, otherwise throw out of limits with information l.
Definition limits.hpp:46
Finite domain integers.
Gecode toplevel namespace
void order(Home home, IntVar s0, int p0, IntVar s1, int p1, BoolVar b, IntPropLevel ipl=IPL_DEF)
Post propagators for ordering two tasks.
Definition order.cpp:41