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