2 * Copyright 2008-2009 Katholieke Universiteit Leuven
4 * Use of this software is governed by the GNU LGPLv2.1 license
6 * Written by Sven Verdoolaege, K.U.Leuven, Departement
7 * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
10 #include <isl_ctx_private.h>
14 isl_ctx
*isl_vec_get_ctx(__isl_keep isl_vec
*vec
)
16 return vec
? vec
->ctx
: NULL
;
19 struct isl_vec
*isl_vec_alloc(struct isl_ctx
*ctx
, unsigned size
)
23 vec
= isl_alloc_type(ctx
, struct isl_vec
);
27 vec
->block
= isl_blk_alloc(ctx
, size
);
28 if (isl_blk_is_error(vec
->block
))
35 vec
->el
= vec
->block
.data
;
39 isl_blk_free(ctx
, vec
->block
);
43 __isl_give isl_vec
*isl_vec_extend(__isl_take isl_vec
*vec
, unsigned size
)
47 if (size
<= vec
->size
)
50 vec
= isl_vec_cow(vec
);
54 vec
->block
= isl_blk_extend(vec
->ctx
, vec
->block
, size
);
59 vec
->el
= vec
->block
.data
;
67 __isl_give isl_vec
*isl_vec_zero_extend(__isl_take isl_vec
*vec
, unsigned size
)
73 if (size
<= vec
->size
)
76 vec
= isl_vec_cow(vec
);
80 extra
= size
- vec
->size
;
81 vec
= isl_vec_extend(vec
, size
);
85 isl_seq_clr(vec
->el
+ size
- extra
, extra
);
90 struct isl_vec
*isl_vec_copy(struct isl_vec
*vec
)
99 struct isl_vec
*isl_vec_dup(struct isl_vec
*vec
)
101 struct isl_vec
*vec2
;
105 vec2
= isl_vec_alloc(vec
->ctx
, vec
->size
);
106 isl_seq_cpy(vec2
->el
, vec
->el
, vec
->size
);
110 struct isl_vec
*isl_vec_cow(struct isl_vec
*vec
)
112 struct isl_vec
*vec2
;
119 vec2
= isl_vec_dup(vec
);
124 void isl_vec_free(struct isl_vec
*vec
)
132 isl_ctx_deref(vec
->ctx
);
133 isl_blk_free(vec
->ctx
, vec
->block
);
137 int isl_vec_is_equal(__isl_keep isl_vec
*vec1
, __isl_keep isl_vec
*vec2
)
142 if (vec1
->size
!= vec2
->size
)
145 return isl_seq_eq(vec1
->el
, vec2
->el
, vec1
->size
);
148 __isl_give isl_printer
*isl_printer_print_vec(__isl_take isl_printer
*printer
,
149 __isl_keep isl_vec
*vec
)
153 if (!printer
|| !vec
)
156 printer
= isl_printer_print_str(printer
, "[");
157 for (i
= 0; i
< vec
->size
; ++i
) {
159 printer
= isl_printer_print_str(printer
, ",");
160 printer
= isl_printer_print_isl_int(printer
, vec
->el
[i
]);
162 printer
= isl_printer_print_str(printer
, "]");
166 isl_printer_free(printer
);
170 void isl_vec_dump(struct isl_vec
*vec
)
172 isl_printer
*printer
;
177 printer
= isl_printer_to_file(vec
->ctx
, stderr
);
178 printer
= isl_printer_print_vec(printer
, vec
);
179 printer
= isl_printer_end_line(printer
);
181 isl_printer_free(printer
);
184 __isl_give isl_vec
*isl_vec_clr(__isl_take isl_vec
*vec
)
186 vec
= isl_vec_cow(vec
);
189 isl_seq_clr(vec
->el
, vec
->size
);
193 void isl_vec_lcm(struct isl_vec
*vec
, isl_int
*lcm
)
195 isl_seq_lcm(vec
->block
.data
, vec
->size
, lcm
);
198 /* Given a rational vector, with the denominator in the first element
199 * of the vector, round up all coordinates.
201 struct isl_vec
*isl_vec_ceil(struct isl_vec
*vec
)
203 vec
= isl_vec_cow(vec
);
207 isl_seq_cdiv_q(vec
->el
+ 1, vec
->el
+ 1, vec
->el
[0], vec
->size
- 1);
209 isl_int_set_si(vec
->el
[0], 1);
214 struct isl_vec
*isl_vec_normalize(struct isl_vec
*vec
)
218 isl_seq_normalize(vec
->ctx
, vec
->el
, vec
->size
);
222 __isl_give isl_vec
*isl_vec_scale(__isl_take isl_vec
*vec
, isl_int m
)
224 if (isl_int_is_one(m
))
226 vec
= isl_vec_cow(vec
);
229 isl_seq_scale(vec
->el
, vec
->el
, m
, vec
->size
);
233 __isl_give isl_vec
*isl_vec_add(__isl_take isl_vec
*vec1
,
234 __isl_take isl_vec
*vec2
)
236 vec1
= isl_vec_cow(vec1
);
240 isl_assert(vec1
->ctx
, vec1
->size
== vec2
->size
, goto error
);
242 isl_seq_combine(vec1
->el
, vec1
->ctx
->one
, vec1
->el
,
243 vec1
->ctx
->one
, vec2
->el
, vec1
->size
);
253 static int qsort_int_cmp(const void *p1
, const void *p2
)
255 const isl_int
*i1
= (const isl_int
*) p1
;
256 const isl_int
*i2
= (const isl_int
*) p2
;
258 return isl_int_cmp(*i1
, *i2
);
261 __isl_give isl_vec
*isl_vec_sort(__isl_take isl_vec
*vec
)
266 qsort(vec
->el
, vec
->size
, sizeof(*vec
->el
), &qsort_int_cmp
);
271 __isl_give isl_vec
*isl_vec_drop_els(__isl_take isl_vec
*vec
,
272 unsigned pos
, unsigned n
)
276 vec
= isl_vec_cow(vec
);
280 if (pos
+ n
> vec
->size
)
281 isl_die(vec
->ctx
, isl_error_invalid
,
282 "range out of bounds", goto error
);
284 if (pos
+ n
!= vec
->size
)
285 isl_seq_cpy(vec
->el
+ pos
, vec
->el
+ pos
+ n
,
286 vec
->size
- pos
- n
);
296 __isl_give isl_vec
*isl_vec_insert_els(__isl_take isl_vec
*vec
,
297 unsigned pos
, unsigned n
)
307 isl_die(vec
->ctx
, isl_error_invalid
,
308 "position out of bounds", goto error
);
310 ext
= isl_vec_alloc(vec
->ctx
, vec
->size
+ n
);
314 isl_seq_cpy(ext
->el
, vec
->el
, pos
);
315 isl_seq_cpy(ext
->el
+ pos
+ n
, vec
->el
+ pos
, vec
->size
- pos
);
325 __isl_give isl_vec
*isl_vec_insert_zero_els(__isl_take isl_vec
*vec
,
326 unsigned pos
, unsigned n
)
328 vec
= isl_vec_insert_els(vec
, pos
, n
);
332 isl_seq_clr(vec
->el
+ pos
, n
);