isl_pw_morph_templ.c

   1 /*
   2  * Copyright 2010      INRIA Saclay
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France,
   7  * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod,
   8  * 91893 Orsay, France
   9  */
  10
  11 __isl_give PW *FN(PW,morph_domain)(__isl_take PW *pw,
  12         __isl_take isl_morph *morph)
  13 {
  14         int i;
  15         isl_ctx *ctx;
  16
  17         if (!pw || !morph)
  18                 goto error;
  19
  20         ctx = isl_space_get_ctx(pw->dim);
  21         isl_assert(ctx, isl_space_is_domain_internal(morph->dom->dim, pw->dim),
  22                 goto error);
  23
  24         pw = FN(PW,cow)(pw);
  25         if (!pw)
  26                 goto error;
  27         pw->dim = isl_space_extend_domain_with_range(
  28                         isl_space_copy(morph->ran->dim), pw->dim);
  29         if (!pw->dim)
  30                 goto error;
  31
  32         for (i = 0; i < pw->n; ++i) {
  33                 pw->p[i].set = isl_morph_set(isl_morph_copy(morph), pw->p[i].set);
  34                 if (!pw->p[i].set)
  35                         goto error;
  36                 pw->p[i].FIELD = FN(EL,morph_domain)(pw->p[i].FIELD,
  37                                                 isl_morph_copy(morph));
  38                 if (!pw->p[i].FIELD)
  39                         goto error;
  40         }
  41
  42         isl_morph_free(morph);
  43
  44         return pw;
  45 error:
  46         FN(PW,free)(pw);
  47         isl_morph_free(morph);
  48         return NULL;
  49 }