isl_multi_hash.c

   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 #include <isl/hash.h>
  11
  12 /* Return a hash value that digests "multi".
  13  */
  14 uint32_t FN(MULTI(BASE),get_hash)(__isl_keep MULTI(BASE) *multi)
  15 {
  16         int i;
  17         uint32_t hash;
  18
  19         if (!multi)
  20                 return 0;
  21
  22         hash = isl_hash_init();
  23         for (i = 0; i < multi->n; ++i) {
  24                 uint32_t el_hash;
  25                 el_hash = FN(EL,get_hash)(multi->u.p[i]);
  26                 isl_hash_hash(hash, el_hash);
  27         }
  28
  29         return hash;
  30 }