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         isl_size n;
  23         int i;
  24
  25         n = FN(MULTI(BASE),size)(multi);
  26         if (n < 0 || !set)
  27                 goto error;
  28
  29         if (n == 0) {
  30                 FN(APPLY_DOM,free)(set);
  31                 return multi;
  32         }
  33
  34         multi = FN(MULTI(BASE),cow)(multi);
  35         if (!multi)
  36                 goto error;
  37
  38         for (i = 0; i < n; ++i) {
  39                 multi->u.p[i] = fn(multi->u.p[i], FN(APPLY_DOM,copy)(set));
  40                 if (!multi->u.p[i])
  41                         goto error;
  42         }
  43
  44         FN(APPLY_DOM,free)(set);
  45         return multi;
  46 error:
  47         FN(APPLY_DOM,free)(set);
  48         FN(MULTI(BASE),free)(multi);
  49         return NULL;
  50 }
  51
  52 /* Transform the elements of "multi" by applying "fn" to them
  53  * with extra argument "set".
  54  *
  55  * Align the parameters if needed and call apply_set_aligned.
  56  */
  57 static __isl_give MULTI(BASE) *FN(FN(MULTI(BASE),apply),APPLY_DOMBASE)(
  58         __isl_take MULTI(BASE) *multi, __isl_take APPLY_DOM *set,
  59         __isl_give EL *(*fn)(EL *el, __isl_take APPLY_DOM *set))
  60 {
  61         isl_bool aligned;
  62         isl_ctx *ctx;
  63
  64         if (!multi || !set)
  65                 goto error;
  66
  67         aligned = FN(APPLY_DOM,space_has_equal_params)(set, multi->space);
  68         if (aligned < 0)
  69                 goto error;
  70         if (aligned)
  71                 return FN(FN(MULTI(BASE),apply_aligned),APPLY_DOMBASE)(multi,
  72                                                                     set, fn);
  73         ctx = FN(MULTI(BASE),get_ctx)(multi);
  74         if (!isl_space_has_named_params(multi->space) ||
  75             !isl_space_has_named_params(set->dim))
  76                 isl_die(ctx, isl_error_invalid,
  77                         "unaligned unnamed parameters", goto error);
  78         multi = FN(MULTI(BASE),align_params)(multi,
  79                                                 FN(APPLY_DOM,get_space)(set));
  80         set = FN(APPLY_DOM,align_params)(set, FN(MULTI(BASE),get_space)(multi));
  81         return FN(FN(MULTI(BASE),apply_aligned),APPLY_DOMBASE)(multi, set, fn);
  82 error:
  83         FN(MULTI(BASE),free)(multi);
  84         FN(APPLY_DOM,free)(set);
  85         return NULL;
  86 }