| 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_pw_macro.h> |
| 10 | #include <isl/hash.h> |
| 11 | |
| 12 | /* Return a hash value that digests "pw". |
| 13 | */ |
| 14 | uint32_t FN(PW,get_hash)(__isl_keep PW *pw) |
| 15 | { |
| 16 | int i; |
| 17 | uint32_t hash; |
| 18 | |
| 19 | if (!pw) |
| 20 | return 0; |
| 21 | |
| 22 | hash = isl_hash_init(); |
| 23 | for (i = 0; i < pw->n; ++i) { |
| 24 | uint32_t set_hash, el_hash; |
| 25 | |
| 26 | set_hash = isl_set_get_hash(set: pw->p[i].set); |
| 27 | isl_hash_hash(hash, set_hash); |
| 28 | el_hash = FN(EL,get_hash)(aff: pw->p[i].FIELD); |
| 29 | isl_hash_hash(hash, el_hash); |
| 30 | } |
| 31 | |
| 32 | return hash; |
| 33 | } |
| 34 |