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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 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  * 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 *space;
17 	unsigned len;
18 	int pos[1];
19 };
20 typedef struct isl_reordering isl_reordering;
21 
22 isl_ctx *isl_reordering_get_ctx(__isl_keep isl_reordering *r);
23 __isl_keep isl_space *isl_reordering_peek_space(__isl_keep isl_reordering *r);
24 __isl_give isl_space *isl_reordering_get_space(__isl_keep isl_reordering *r);
25 __isl_give isl_reordering *isl_parameter_alignment_reordering(
26 	__isl_keep isl_space *alignee, __isl_keep isl_space *aligner);
27 __isl_give isl_reordering *isl_reordering_unbind_params_insert_domain(
28 	__isl_keep isl_space *space, __isl_keep isl_multi_id *tuple);
29 __isl_give isl_reordering *isl_reordering_copy(__isl_keep isl_reordering *exp);
30 __isl_null isl_reordering *isl_reordering_free(__isl_take isl_reordering *exp);
31 __isl_give isl_reordering *isl_reordering_extend_space(
32 	__isl_take isl_reordering *exp, __isl_take isl_space *space);
33 __isl_give isl_reordering *isl_reordering_extend(__isl_take isl_reordering *exp,
34 	unsigned extra);
35 
36 #endif
37