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 __isl_give isl_printer
*isl_printer_print_vec(__isl_take isl_printer
*printer
,
138 __isl_keep isl_vec
*vec
)
142 if (!printer
|| !vec
)
145 printer
= isl_printer_print_str(printer
, "[");
146 for (i
= 0; i
< vec
->size
; ++i
) {
148 printer
= isl_printer_print_str(printer
, ",");
149 printer
= isl_printer_print_isl_int(printer
, vec
->el
[i
]);
151 printer
= isl_printer_print_str(printer
, "]");
155 isl_printer_free(printer
);
159 void isl_vec_dump(struct isl_vec
*vec
)
161 isl_printer
*printer
;
166 printer
= isl_printer_to_file(vec
->ctx
, stderr
);
167 printer
= isl_printer_print_vec(printer
, vec
);
168 printer
= isl_printer_end_line(printer
);
170 isl_printer_free(printer
);
173 __isl_give isl_vec
*isl_vec_clr(__isl_take isl_vec
*vec
)
175 vec
= isl_vec_cow(vec
);
178 isl_seq_clr(vec
->el
, vec
->size
);
182 void isl_vec_lcm(struct isl_vec
*vec
, isl_int
*lcm
)
184 isl_seq_lcm(vec
->block
.data
, vec
->size
, lcm
);
187 /* Given a rational vector, with the denominator in the first element
188 * of the vector, round up all coordinates.
190 struct isl_vec
*isl_vec_ceil(struct isl_vec
*vec
)
192 vec
= isl_vec_cow(vec
);
196 isl_seq_cdiv_q(vec
->el
+ 1, vec
->el
+ 1, vec
->el
[0], vec
->size
- 1);
198 isl_int_set_si(vec
->el
[0], 1);
203 struct isl_vec
*isl_vec_normalize(struct isl_vec
*vec
)
207 isl_seq_normalize(vec
->ctx
, vec
->el
, vec
->size
);
211 __isl_give isl_vec
*isl_vec_scale(__isl_take isl_vec
*vec
, isl_int m
)
213 if (isl_int_is_one(m
))
215 vec
= isl_vec_cow(vec
);
218 isl_seq_scale(vec
->el
, vec
->el
, m
, vec
->size
);
222 __isl_give isl_vec
*isl_vec_add(__isl_take isl_vec
*vec1
,
223 __isl_take isl_vec
*vec2
)
225 vec1
= isl_vec_cow(vec1
);
229 isl_assert(vec1
->ctx
, vec1
->size
== vec2
->size
, goto error
);
231 isl_seq_combine(vec1
->el
, vec1
->ctx
->one
, vec1
->el
,
232 vec1
->ctx
->one
, vec2
->el
, vec1
->size
);
242 static int qsort_int_cmp(const void *p1
, const void *p2
)
244 const isl_int
*i1
= (const isl_int
*) p1
;
245 const isl_int
*i2
= (const isl_int
*) p2
;
247 return isl_int_cmp(*i1
, *i2
);
250 __isl_give isl_vec
*isl_vec_sort(__isl_take isl_vec
*vec
)
255 qsort(vec
->el
, vec
->size
, sizeof(*vec
->el
), &qsort_int_cmp
);