38 lines · c
1#ifndef ISL_REORDERING_H2#define ISL_REORDERING_H3 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 result9 * 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 to11 * to "dst_len" - 1, where "dst_len" is equal to the total dimension of "space",12 * unless isl_reordering_extend has been called.13 */14struct isl_reordering {15 int ref;16 isl_space *space;17 unsigned src_len;18 unsigned dst_len;19 int pos[1];20};21typedef struct isl_reordering isl_reordering;22 23isl_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#endif38