| 1 | /* |
|---|---|
| 2 | * Copyright 2016 Sven Verdoolaege |
| 3 | * |
| 4 | * Use of this software is governed by the MIT license |
| 5 | * |
| 6 | * Written by Sven Verdoolaege |
| 7 | */ |
| 8 | |
| 9 | #include <isl_multi_macro.h> |
| 10 | |
| 11 | /* Compare two multi expressions. |
| 12 | * |
| 13 | * Return -1 if "multi1" is "smaller" than "multi2", 1 if "multi1" is "greater" |
| 14 | * than "multi2" and 0 if they are equal. |
| 15 | */ |
| 16 | int FN(MULTI(BASE),plain_cmp)(__isl_keep MULTI(BASE) *multi1, |
| 17 | __isl_keep MULTI(BASE) *multi2) |
| 18 | { |
| 19 | int i; |
| 20 | int cmp; |
| 21 | |
| 22 | if (multi1 == multi2) |
| 23 | return 0; |
| 24 | if (!multi1) |
| 25 | return -1; |
| 26 | if (!multi2) |
| 27 | return 1; |
| 28 | |
| 29 | cmp = isl_space_cmp(space1: multi1->space, space2: multi2->space); |
| 30 | if (cmp != 0) |
| 31 | return cmp; |
| 32 | |
| 33 | for (i = 0; i < multi1->n; ++i) { |
| 34 | cmp = FN(EL,plain_cmp)(aff1: multi1->u.p[i], aff2: multi2->u.p[i]); |
| 35 | if (cmp != 0) |
| 36 | return cmp; |
| 37 | } |
| 38 | |
| 39 | return 0; |
| 40 | } |
| 41 |