isl_multi_apply_templ.c

   1 /*
   2  * Copyright 2011      Sven Verdoolaege
   3  * Copyright 2012-2013 Ecole Normale Superieure
   4  *
   5  * Use of this software is governed by the MIT license
   6  *
   7  * Written by Sven Verdoolaege,
   8  * Ecole Normale Superieure, 45 rue d’Ulm, 75230 Paris, France
   9  */
  10
  11 #include <isl_multi_macro.h>
  12
  13 /* Transform the elements of "multi" by applying "fn" to them
  14  * with extra argument "set".
  15  *
  16  * The parameters of "multi" and "set" are assumed to have been aligned.
  17  */
  18 __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),apply_aligned),APPLY_DOMBASE)(
  19         __isl_take MULTI(BASE) *multi, __isl_take APPLY_DOM *set,
  20         __isl_give EL *(*fn)(EL *el, __isl_take APPLY_DOM *set))
  21 {
  22         int i;
  23
  24         if (!multi || !set)
  25                 goto error;
  26
  27         if (multi->n == 0) {
  28                 FN(APPLY_DOM,free)(set);
  29                 return multi;
  30         }
  31
  32         multi = FN(MULTI(BASE),cow)(multi);
  33         if (!multi)
  34                 goto error;
  35
  36         for (i = 0; i < multi->n; ++i) {
  37                 multi->u.p[i] = fn(multi->u.p[i], FN(APPLY_DOM,copy)(set));
  38                 if (!multi->u.p[i])
  39                         goto error;
  40         }
  41
  42         FN(APPLY_DOM,free)(set);
  43         return multi;
  44 error:
  45         FN(APPLY_DOM,free)(set);
  46         FN(MULTI(BASE),free)(multi);
  47         return NULL;
  48 }
  49
  50 /* Transform the elements of "multi" by applying "fn" to them
  51  * with extra argument "set".
  52  *
  53  * Align the parameters if needed and call apply_set_aligned.
  54  */
  55 static __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),apply),APPLY_DOMBASE)(
  56         __isl_take MULTI(BASE) *multi, __isl_take APPLY_DOM *set,
  57         __isl_give EL *(*fn)(EL *el, __isl_take APPLY_DOM *set))
  58 {
  59         isl_bool aligned;
  60         isl_ctx *ctx;
  61
  62         if (!multi || !set)
  63                 goto error;
  64
  65         aligned = FN(APPLY_DOM,space_has_equal_params)(set, multi->space);
  66         if (aligned < 0)
  67                 goto error;
  68         if (aligned)
  69                 return FN(FN(MULTI(BASE),apply_aligned),APPLY_DOMBASE)(multi,
  70                                                                     set, fn);
  71         ctx = FN(MULTI(BASE),get_ctx)(multi);
  72         if (!isl_space_has_named_params(multi->space) ||
  73             !isl_space_has_named_params(set->dim))
  74                 isl_die(ctx, isl_error_invalid,
  75                         "unaligned unnamed parameters", goto error);
  76         multi = FN(MULTI(BASE),align_params)(multi,
  77                                                 FN(APPLY_DOM,get_space)(set));
  78         set = FN(APPLY_DOM,align_params)(set, FN(MULTI(BASE),get_space)(multi));
  79         return FN(FN(MULTI(BASE),apply_aligned),APPLY_DOMBASE)(multi, set, fn);
  80 error:
  81         FN(MULTI(BASE),free)(multi);
  82         FN(APPLY_DOM,free)(set);
  83         return NULL;
  84 }