10 #if defined(__cplusplus)
16 * All structures are reference counted to allow reuse without duplication.
17 * A *_copy operation will increase the reference count, while a *_free
18 * operation will decrease the reference count and only actually release
19 * the structures when the reference count drops to zero.
21 * Functions that return an isa structure will in general _destroy_
22 * all argument isa structures (the obvious execption begin the _copy
23 * functions). A pointer passed to such a function may therefore
24 * never be used after the function call. If you want to keep a
25 * reference to the old structure(s), use the appropriate _copy function.
28 /* A "basic map" is a relation between two sets of variables,
29 * called the "in" and "out" variables.
31 * It is implemented as a set with two extra fields:
32 * n_in is the number of in variables
33 * n_out is the number of out variables
34 * n_in + n_out should be equal to set.dim
37 struct isl_basic_map {
39 #define ISL_BASIC_MAP_FINAL (1 << 0)
40 #define ISL_BASIC_MAP_EMPTY (1 << 1)
41 #define ISL_BASIC_MAP_NO_IMPLICIT (1 << 2)
60 struct isl_vec *sample;
63 struct isl_blk block2;
67 /* A "map" is a (disjoint) union of basic maps.
69 * Currently, the isl_set structure is identical to the isl_map structure
70 * and the library depends on this correspondence internally.
71 * However, users should not depend on this correspondence.
75 #define ISL_MAP_DISJOINT (1 << 0)
85 struct isl_basic_map *p[0];
89 struct isl_basic_map *isl_basic_map_alloc(struct isl_ctx *ctx,
90 unsigned nparam, unsigned in, unsigned out, unsigned extra,
91 unsigned n_eq, unsigned n_ineq);
92 struct isl_basic_map *isl_basic_map_identity(struct isl_ctx *ctx,
93 unsigned nparam, unsigned dim);
94 struct isl_basic_map *isl_basic_map_finalize(struct isl_ctx *ctx,
95 struct isl_basic_map *bmap);
96 void isl_basic_map_free(struct isl_ctx *ctx, struct isl_basic_map *bmap);
97 struct isl_basic_map *isl_basic_map_copy(struct isl_ctx *ctx,
98 struct isl_basic_map *bmap);
99 struct isl_basic_map *isl_basic_map_extend(struct isl_ctx *ctx,
100 struct isl_basic_map *base,
101 unsigned nparam, unsigned n_in, unsigned n_out, unsigned extra,
102 unsigned n_eq, unsigned n_ineq);
103 struct isl_basic_map *isl_basic_map_equal(struct isl_ctx *ctx,
104 unsigned nparam, unsigned in, unsigned out, unsigned n_equal);
105 struct isl_basic_map *isl_basic_map_less_at(struct isl_ctx *ctx,
106 unsigned nparam, unsigned in, unsigned out, unsigned pos);
107 struct isl_basic_map *isl_basic_map_more_at(struct isl_ctx *ctx,
108 unsigned nparam, unsigned in, unsigned out, unsigned pos);
109 struct isl_basic_map *isl_basic_map_empty(struct isl_ctx *ctx,
110 unsigned nparam, unsigned in, unsigned out);
112 struct isl_basic_map *isl_basic_map_intersect_domain(
113 struct isl_ctx *ctx, struct isl_basic_map *bmap,
114 struct isl_basic_set *bset);
115 struct isl_basic_map *isl_basic_map_intersect(
116 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
117 struct isl_basic_map *bmap2);
118 struct isl_map *isl_basic_map_union(
119 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
120 struct isl_basic_map *bmap2);
121 struct isl_basic_map *isl_basic_map_apply_domain(
122 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
123 struct isl_basic_map *bmap2);
124 struct isl_basic_map *isl_basic_map_apply_range(
125 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
126 struct isl_basic_map *bmap2);
127 struct isl_basic_map *isl_basic_map_reverse(struct isl_ctx *ctx,
128 struct isl_basic_map *bmap);
129 struct isl_basic_set *isl_basic_map_domain(struct isl_ctx *ctx,
130 struct isl_basic_map *bmap);
131 struct isl_basic_set *isl_basic_map_range(struct isl_ctx *ctx,
132 struct isl_basic_map *bmap);
133 struct isl_basic_map *isl_basic_map_from_basic_set(
134 struct isl_ctx *ctx, struct isl_basic_set *bset,
135 unsigned n_in, unsigned n_out);
136 struct isl_basic_set *isl_basic_set_from_basic_map(
137 struct isl_ctx *ctx, struct isl_basic_map *bmap);
138 struct isl_basic_map *isl_basic_map_simplify(
139 struct isl_ctx *ctx, struct isl_basic_map *bmap);
141 struct isl_map *isl_basic_map_lexmax(struct isl_ctx *ctx,
142 struct isl_basic_map *bmap, struct isl_basic_set *dom,
143 struct isl_set **empty);
144 struct isl_map *isl_basic_map_lexmin(struct isl_ctx *ctx,
145 struct isl_basic_map *bmap, struct isl_basic_set *dom,
146 struct isl_set **empty);
148 void isl_basic_map_dump(struct isl_ctx *ctx, struct isl_basic_map *bmap,
149 FILE *out, int indent);
151 int isl_basic_map_is_empty(struct isl_ctx *ctx,
152 struct isl_basic_map *bmap);
153 int isl_basic_map_is_subset(struct isl_ctx *ctx,
154 struct isl_basic_map *bmap1,
155 struct isl_basic_map *bmap2);
156 int isl_basic_map_is_strict_subset(struct isl_ctx *ctx,
157 struct isl_basic_map *bmap1,
158 struct isl_basic_map *bmap2);
160 struct isl_map *isl_map_alloc(struct isl_ctx *ctx,
161 unsigned nparam, unsigned in, unsigned out, int n,
163 struct isl_map *isl_map_empty(struct isl_ctx *ctx,
164 unsigned nparam, unsigned in, unsigned out);
165 struct isl_map *isl_map_dup(struct isl_ctx *ctx, struct isl_map *map);
166 struct isl_map *isl_map_add(struct isl_ctx *ctx, struct isl_map *map,
167 struct isl_basic_map *bmap);
168 struct isl_map *isl_map_identity(struct isl_ctx *ctx,
169 unsigned nparam, unsigned dim);
170 struct isl_map *isl_map_finalize(struct isl_ctx *ctx, struct isl_map *map);
171 void isl_map_free(struct isl_ctx *ctx, struct isl_map *map);
172 struct isl_map *isl_map_copy(struct isl_ctx *ctx, struct isl_map *map);
173 struct isl_map *isl_map_extend(struct isl_ctx *ctx, struct isl_map *base,
174 unsigned nparam, unsigned n_in, unsigned n_out);
175 struct isl_map *isl_map_reverse(struct isl_ctx *ctx, struct isl_map *map);
176 struct isl_map *isl_map_union(struct isl_ctx *ctx,
177 struct isl_map *map1, struct isl_map *map2);
178 struct isl_map *isl_map_union_disjoint(struct isl_ctx *ctx,
179 struct isl_map *map1, struct isl_map *map2);
180 struct isl_map *isl_map_intersect_domain(
181 struct isl_ctx *ctx, struct isl_map *map,
182 struct isl_set *set);
183 struct isl_map *isl_map_intersect_range(
184 struct isl_ctx *ctx, struct isl_map *map,
185 struct isl_set *set);
186 struct isl_map *isl_map_apply_domain(
187 struct isl_ctx *ctx, struct isl_map *map1,
188 struct isl_map *map2);
189 struct isl_map *isl_map_apply_range(
190 struct isl_ctx *ctx, struct isl_map *map1,
191 struct isl_map *map2);
192 struct isl_map *isl_map_intersect(struct isl_ctx *ctx, struct isl_map *map1,
193 struct isl_map *map2);
194 struct isl_map *isl_map_subtract(struct isl_ctx *ctx, struct isl_map *map1,
195 struct isl_map *map2);
196 struct isl_map *isl_map_fix_input_si(struct isl_ctx *ctx, struct isl_map *map,
197 unsigned input, int value);
198 struct isl_basic_set *isl_basic_map_deltas(struct isl_ctx *ctx,
199 struct isl_basic_map *bmap);
200 struct isl_set *isl_map_range(struct isl_ctx *ctx, struct isl_map *map);
201 struct isl_basic_map *isl_map_affine_hull(struct isl_ctx *ctx,
202 struct isl_map *map);
204 struct isl_set *isl_map_domain(struct isl_ctx *ctx, struct isl_map *bmap);
205 struct isl_map *isl_map_from_basic_map(struct isl_ctx *ctx,
206 struct isl_basic_map *bmap);
207 struct isl_map *isl_map_from_set(
208 struct isl_ctx *ctx, struct isl_set *set,
209 unsigned n_in, unsigned n_out);
211 int isl_map_is_empty(struct isl_ctx *ctx, struct isl_map *map);
212 int isl_map_is_subset(struct isl_ctx *ctx, struct isl_map *map1,
213 struct isl_map *map2);
214 int isl_map_is_equal(struct isl_ctx *ctx,
215 struct isl_map *map1, struct isl_map *map2);
217 void isl_map_dump(struct isl_ctx *ctx, struct isl_map *map, FILE *out,
220 #if defined(__cplusplus)