isl_multi_cmp.c
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/*
* Copyright 2016 Sven Verdoolaege
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege
*/
#include <isl_multi_macro.h>
/* Compare two multi expressions.
*
* Return -1 if "multi1" is "smaller" than "multi2", 1 if "multi1" is "greater"
* than "multi2" and 0 if they are equal.
*/
int FN(MULTI(BASE),plain_cmp)(__isl_keep MULTI(BASE) *multi1,
__isl_keep MULTI(BASE) *multi2)
{
int i;
int cmp;
if (multi1 == multi2)
return 0;
if (!multi1)
return -1;
if (!multi2)
return 1;
cmp = isl_space_cmp(multi1->space, multi2->space);
if (cmp != 0)
return cmp;
for (i = 0; i < multi1->n; ++i) {
cmp = FN(EL,plain_cmp)(multi1->u.p[i], multi2->u.p[i]);
if (cmp != 0)
return cmp;
}
return 0;
}