forked from OSchip/llvm-project
35 lines
600 B
C
35 lines
600 B
C
/*
|
|
* Copyright 2010 INRIA Saclay
|
|
*
|
|
* Use of this software is governed by the MIT license
|
|
*
|
|
* Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
|
|
* Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
|
|
* 91893 Orsay, France
|
|
*/
|
|
|
|
#include <isl_pw_macro.h>
|
|
|
|
__isl_give PW *FN(PW,neg)(__isl_take PW *pw)
|
|
{
|
|
int i;
|
|
|
|
if (!pw)
|
|
return NULL;
|
|
|
|
if (FN(PW,IS_ZERO)(pw))
|
|
return pw;
|
|
|
|
pw = FN(PW,cow)(pw);
|
|
if (!pw)
|
|
return NULL;
|
|
|
|
for (i = 0; i < pw->n; ++i) {
|
|
pw->p[i].FIELD = FN(EL,neg)(pw->p[i].FIELD);
|
|
if (!pw->p[i].FIELD)
|
|
return FN(PW,free)(pw);
|
|
}
|
|
|
|
return pw;
|
|
}
|