isl_reordering.h

   1 #ifndef ISL_REORDERING_H
   2 #define ISL_REORDERING_H
   3
   4 #include <isl/space.h>
   5
   6 /* "pos" has "src_len" entries and maps original dimensions to new dimensions.
   7  * The final space is given by "space".
   8  * The number of dimensions (i.e., the range of values) in the result
   9  * may be larger than the number of dimensions in the input.
  10  * In particular, the possible values of the entries in "pos" ranges from 0 to
  11  * to "dst_len" - 1, where "dst_len" is equal to the total dimension of "space",
  12  * unless isl_reordering_extend has been called.
  13  */
  14 struct isl_reordering {
  15         int ref;
  16         isl_space *space;
  17         unsigned src_len;
  18         unsigned dst_len;
  19         int pos[1];
  20 };
  21 typedef struct isl_reordering isl_reordering;
  22
  23 isl_ctx *isl_reordering_get_ctx(__isl_keep isl_reordering *r);
  24 __isl_keep isl_space *isl_reordering_peek_space(__isl_keep isl_reordering *r);
  25 __isl_give isl_space *isl_reordering_get_space(__isl_keep isl_reordering *r);
  26 __isl_give isl_reordering *isl_parameter_alignment_reordering(
  27         __isl_keep isl_space *alignee, __isl_keep isl_space *aligner);
  28 __isl_give isl_reordering *isl_reordering_unbind_params_insert_domain(
  29         __isl_keep isl_space *space, __isl_keep isl_multi_id *tuple);
  30 __isl_give isl_reordering *isl_reordering_copy(__isl_keep isl_reordering *exp);
  31 __isl_null isl_reordering *isl_reordering_free(__isl_take isl_reordering *exp);
  32 __isl_give isl_reordering *isl_reordering_extend_space(
  33         __isl_take isl_reordering *exp, __isl_take isl_space *space);
  34 __isl_give isl_reordering *isl_reordering_extend(__isl_take isl_reordering *exp,
  35         unsigned extra);
  36
  37 #endif