isl_reordering.h

   1 #ifndef ISL_REORDERING_H
   2 #define ISL_REORDERING_H
   3
   4 #include <isl/space.h>
   5
   6 /* pos maps original dimensions to new dimensions.
   7  * The final dimension is given by dim.
   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  * the total dimension of dim - 1, unless isl_reordering_extend
  12  * has been called.
  13  */
  14 struct isl_reordering {
  15         int ref;
  16         isl_space *dim;
  17         unsigned len;
  18         int pos[1];
  19 };
  20 typedef struct isl_reordering isl_reordering;
  21
  22 __isl_give isl_reordering *isl_parameter_alignment_reordering(
  23         __isl_keep isl_space *alignee, __isl_keep isl_space *aligner);
  24 __isl_give isl_reordering *isl_reordering_copy(__isl_keep isl_reordering *exp);
  25 void *isl_reordering_free(__isl_take isl_reordering *exp);
  26 __isl_give isl_reordering *isl_reordering_extend_space(
  27         __isl_take isl_reordering *exp, __isl_take isl_space *dim);
  28 __isl_give isl_reordering *isl_reordering_extend(__isl_take isl_reordering *exp,
  29         unsigned extra);
  30
  31 #endif