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_size n;
  16         isl_ctx *ctx;
  17         isl_space *space;
  18
  19         n = FN(PW,n_piece)(pw);
  20         if (n < 0 || !morph)
  21                 goto error;
  22
  23         ctx = isl_space_get_ctx(pw->dim);
  24         isl_assert(ctx, isl_space_is_domain_internal(morph->dom->dim, pw->dim),
  25                 goto error);
  26
  27         space = FN(PW,take_space)(pw);
  28         space = isl_space_extend_domain_with_range(
  29                         isl_space_copy(morph->ran->dim), space);
  30         pw = FN(PW,restore_space)(pw, space);
  31         pw = FN(PW,cow)(pw);
  32         if (!pw)
  33                 goto error;
  34
  35         for (i = 0; i < n; ++i) {
  36                 EL *el;
  37
  38                 pw->p[i].set = isl_morph_set(isl_morph_copy(morph), pw->p[i].set);
  39                 if (!pw->p[i].set)
  40                         goto error;
  41                 el = FN(PW,take_base_at)(pw, i);
  42                 el = FN(EL,morph_domain)(el, isl_morph_copy(morph));
  43                 pw = FN(PW,restore_base_at)(pw, i, el);
  44                 if (!pw)
  45                         goto error;
  46         }
  47
  48         isl_morph_free(morph);
  49
  50         return pw;
  51 error:
  52         FN(PW,free)(pw);
  53         isl_morph_free(morph);
  54         return NULL;
  55 }