isl_multi_hash.c

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/*
 * Copyright 2016      Sven Verdoolaege
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege
 */
 
#include <isl_multi_macro.h>
#include <isl/hash.h>
 
/* Return a hash value that digests "multi".
 */
uint32_t FN(MULTI(BASE),get_hash)(__isl_keep MULTI(BASE) *multi)
{
  int i;
  uint32_t hash;
 
  if (!multi)
    return 0;
 
  hash = isl_hash_init();
  for (i = 0; i < multi->n; ++i) {
    uint32_t el_hash;
    el_hash = FN(EL,get_hash)(multi->u.p[i]);
    isl_hash_hash(hash, el_hash);
  }
 
  return hash;
}