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)
42 #define ISL_BASIC_MAP_NO_REDUNDANT (1 << 3)
43 #define ISL_BASIC_MAP_RATIONAL (1 << 4)
62 struct isl_vec *sample;
65 struct isl_blk block2;
69 /* A "map" is a (disjoint) union of basic maps.
71 * Currently, the isl_set structure is identical to the isl_map structure
72 * and the library depends on this correspondence internally.
73 * However, users should not depend on this correspondence.
77 #define ISL_MAP_DISJOINT (1 << 0)
87 struct isl_basic_map *p[0];
91 struct isl_basic_map *isl_basic_map_alloc(struct isl_ctx *ctx,
92 unsigned nparam, unsigned in, unsigned out, unsigned extra,
93 unsigned n_eq, unsigned n_ineq);
94 struct isl_basic_map *isl_basic_map_identity(struct isl_ctx *ctx,
95 unsigned nparam, unsigned dim);
96 struct isl_basic_map *isl_basic_map_finalize(struct isl_ctx *ctx,
97 struct isl_basic_map *bmap);
98 void isl_basic_map_free(struct isl_ctx *ctx, struct isl_basic_map *bmap);
99 struct isl_basic_map *isl_basic_map_copy(struct isl_ctx *ctx,
100 struct isl_basic_map *bmap);
101 struct isl_basic_map *isl_basic_map_extend(struct isl_ctx *ctx,
102 struct isl_basic_map *base,
103 unsigned nparam, unsigned n_in, unsigned n_out, unsigned extra,
104 unsigned n_eq, unsigned n_ineq);
105 struct isl_basic_map *isl_basic_map_equal(struct isl_ctx *ctx,
106 unsigned nparam, unsigned in, unsigned out, unsigned n_equal);
107 struct isl_basic_map *isl_basic_map_less_at(struct isl_ctx *ctx,
108 unsigned nparam, unsigned in, unsigned out, unsigned pos);
109 struct isl_basic_map *isl_basic_map_more_at(struct isl_ctx *ctx,
110 unsigned nparam, unsigned in, unsigned out, unsigned pos);
111 struct isl_basic_map *isl_basic_map_empty(struct isl_ctx *ctx,
112 unsigned nparam, unsigned in, unsigned out);
113 struct isl_basic_map *isl_basic_map_universe(struct isl_ctx *ctx,
114 unsigned nparam, unsigned in, unsigned out);
116 struct isl_basic_map *isl_basic_map_intersect_domain(
117 struct isl_ctx *ctx, struct isl_basic_map *bmap,
118 struct isl_basic_set *bset);
119 struct isl_basic_map *isl_basic_map_intersect(
120 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
121 struct isl_basic_map *bmap2);
122 struct isl_map *isl_basic_map_union(
123 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
124 struct isl_basic_map *bmap2);
125 struct isl_basic_map *isl_basic_map_apply_domain(
126 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
127 struct isl_basic_map *bmap2);
128 struct isl_basic_map *isl_basic_map_apply_range(
129 struct isl_ctx *ctx, struct isl_basic_map *bmap1,
130 struct isl_basic_map *bmap2);
131 struct isl_basic_map *isl_basic_map_reverse(struct isl_ctx *ctx,
132 struct isl_basic_map *bmap);
133 struct isl_basic_set *isl_basic_map_domain(struct isl_ctx *ctx,
134 struct isl_basic_map *bmap);
135 struct isl_basic_set *isl_basic_map_range(struct isl_ctx *ctx,
136 struct isl_basic_map *bmap);
137 struct isl_basic_map *isl_basic_map_from_basic_set(
138 struct isl_ctx *ctx, struct isl_basic_set *bset,
139 unsigned n_in, unsigned n_out);
140 struct isl_basic_set *isl_basic_set_from_basic_map(
141 struct isl_ctx *ctx, struct isl_basic_map *bmap);
142 struct isl_basic_map *isl_basic_map_simplify(
143 struct isl_ctx *ctx, struct isl_basic_map *bmap);
145 struct isl_map *isl_basic_map_lexmax(struct isl_ctx *ctx,
146 struct isl_basic_map *bmap, struct isl_basic_set *dom,
147 struct isl_set **empty);
148 struct isl_map *isl_basic_map_lexmin(struct isl_ctx *ctx,
149 struct isl_basic_map *bmap, struct isl_basic_set *dom,
150 struct isl_set **empty);
152 void isl_basic_map_dump(struct isl_ctx *ctx, struct isl_basic_map *bmap,
153 FILE *out, int indent);
155 int isl_basic_map_is_universe(struct isl_ctx *ctx,
156 struct isl_basic_map *bmap);
157 int isl_basic_map_is_empty(struct isl_ctx *ctx,
158 struct isl_basic_map *bmap);
159 int isl_basic_map_is_subset(struct isl_ctx *ctx,
160 struct isl_basic_map *bmap1,
161 struct isl_basic_map *bmap2);
162 int isl_basic_map_is_strict_subset(struct isl_ctx *ctx,
163 struct isl_basic_map *bmap1,
164 struct isl_basic_map *bmap2);
166 struct isl_map *isl_map_alloc(struct isl_ctx *ctx,
167 unsigned nparam, unsigned in, unsigned out, int n,
169 struct isl_map *isl_map_empty(struct isl_ctx *ctx,
170 unsigned nparam, unsigned in, unsigned out);
171 struct isl_map *isl_map_dup(struct isl_ctx *ctx, struct isl_map *map);
172 struct isl_map *isl_map_add(struct isl_ctx *ctx, struct isl_map *map,
173 struct isl_basic_map *bmap);
174 struct isl_map *isl_map_identity(struct isl_ctx *ctx,
175 unsigned nparam, unsigned dim);
176 struct isl_map *isl_map_finalize(struct isl_ctx *ctx, struct isl_map *map);
177 void isl_map_free(struct isl_ctx *ctx, struct isl_map *map);
178 struct isl_map *isl_map_copy(struct isl_ctx *ctx, struct isl_map *map);
179 struct isl_map *isl_map_extend(struct isl_ctx *ctx, struct isl_map *base,
180 unsigned nparam, unsigned n_in, unsigned n_out);
181 struct isl_map *isl_map_reverse(struct isl_ctx *ctx, struct isl_map *map);
182 struct isl_map *isl_map_union(struct isl_ctx *ctx,
183 struct isl_map *map1, struct isl_map *map2);
184 struct isl_map *isl_map_union_disjoint(struct isl_ctx *ctx,
185 struct isl_map *map1, struct isl_map *map2);
186 struct isl_map *isl_map_intersect_domain(
187 struct isl_ctx *ctx, struct isl_map *map,
188 struct isl_set *set);
189 struct isl_map *isl_map_intersect_range(
190 struct isl_ctx *ctx, struct isl_map *map,
191 struct isl_set *set);
192 struct isl_map *isl_map_apply_domain(
193 struct isl_ctx *ctx, struct isl_map *map1,
194 struct isl_map *map2);
195 struct isl_map *isl_map_apply_range(
196 struct isl_ctx *ctx, struct isl_map *map1,
197 struct isl_map *map2);
198 struct isl_map *isl_map_intersect(struct isl_ctx *ctx, struct isl_map *map1,
199 struct isl_map *map2);
200 struct isl_map *isl_map_subtract(struct isl_ctx *ctx, struct isl_map *map1,
201 struct isl_map *map2);
202 struct isl_map *isl_map_fix_input_si(struct isl_ctx *ctx, struct isl_map *map,
203 unsigned input, int value);
204 struct isl_basic_set *isl_basic_map_deltas(struct isl_ctx *ctx,
205 struct isl_basic_map *bmap);
206 struct isl_set *isl_map_range(struct isl_ctx *ctx, struct isl_map *map);
207 struct isl_basic_map *isl_map_affine_hull(struct isl_ctx *ctx,
208 struct isl_map *map);
210 struct isl_set *isl_map_domain(struct isl_ctx *ctx, struct isl_map *bmap);
211 struct isl_map *isl_map_from_basic_map(struct isl_ctx *ctx,
212 struct isl_basic_map *bmap);
213 struct isl_map *isl_map_from_set(
214 struct isl_ctx *ctx, struct isl_set *set,
215 unsigned n_in, unsigned n_out);
217 int isl_map_is_empty(struct isl_ctx *ctx, struct isl_map *map);
218 int isl_map_is_subset(struct isl_ctx *ctx, struct isl_map *map1,
219 struct isl_map *map2);
220 int isl_map_is_equal(struct isl_ctx *ctx,
221 struct isl_map *map1, struct isl_map *map2);
223 void isl_map_dump(struct isl_ctx *ctx, struct isl_map *map, FILE *out,
226 #if defined(__cplusplus)