| /* |
| * 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; |
| } |
