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 struct isl_vec
*isl_vec_alloc(struct isl_ctx
*ctx
, unsigned size
)
18 vec
= isl_alloc_type(ctx
, struct isl_vec
);
22 vec
->block
= isl_blk_alloc(ctx
, size
);
23 if (isl_blk_is_error(vec
->block
))
30 vec
->el
= vec
->block
.data
;
34 isl_blk_free(ctx
, vec
->block
);
38 __isl_give isl_vec
*isl_vec_extend(__isl_take isl_vec
*vec
, unsigned size
)
42 if (size
<= vec
->size
)
45 vec
= isl_vec_cow(vec
);
49 vec
->block
= isl_blk_extend(vec
->ctx
, vec
->block
, size
);
54 vec
->el
= vec
->block
.data
;
62 __isl_give isl_vec
*isl_vec_zero_extend(__isl_take isl_vec
*vec
, unsigned size
)
68 if (size
<= vec
->size
)
71 vec
= isl_vec_cow(vec
);
75 extra
= size
- vec
->size
;
76 vec
= isl_vec_extend(vec
, size
);
80 isl_seq_clr(vec
->el
+ size
- extra
, extra
);
85 struct isl_vec
*isl_vec_copy(struct isl_vec
*vec
)
94 struct isl_vec
*isl_vec_dup(struct isl_vec
*vec
)
100 vec2
= isl_vec_alloc(vec
->ctx
, vec
->size
);
101 isl_seq_cpy(vec2
->el
, vec
->el
, vec
->size
);
105 struct isl_vec
*isl_vec_cow(struct isl_vec
*vec
)
107 struct isl_vec
*vec2
;
114 vec2
= isl_vec_dup(vec
);
119 void isl_vec_free(struct isl_vec
*vec
)
127 isl_ctx_deref(vec
->ctx
);
128 isl_blk_free(vec
->ctx
, vec
->block
);
132 __isl_give isl_printer
*isl_printer_print_vec(__isl_take isl_printer
*printer
,
133 __isl_keep isl_vec
*vec
)
137 if (!printer
|| !vec
)
140 printer
= isl_printer_print_str(printer
, "[");
141 for (i
= 0; i
< vec
->size
; ++i
) {
143 printer
= isl_printer_print_str(printer
, ",");
144 printer
= isl_printer_print_isl_int(printer
, vec
->el
[i
]);
146 printer
= isl_printer_print_str(printer
, "]");
150 isl_printer_free(printer
);
154 void isl_vec_dump(struct isl_vec
*vec
)
156 isl_printer
*printer
;
161 printer
= isl_printer_to_file(vec
->ctx
, stderr
);
162 printer
= isl_printer_print_vec(printer
, vec
);
163 printer
= isl_printer_end_line(printer
);
165 isl_printer_free(printer
);
168 __isl_give isl_vec
*isl_vec_clr(__isl_take isl_vec
*vec
)
170 vec
= isl_vec_cow(vec
);
173 isl_seq_clr(vec
->el
, vec
->size
);
177 void isl_vec_lcm(struct isl_vec
*vec
, isl_int
*lcm
)
179 isl_seq_lcm(vec
->block
.data
, vec
->size
, lcm
);
182 /* Given a rational vector, with the denominator in the first element
183 * of the vector, round up all coordinates.
185 struct isl_vec
*isl_vec_ceil(struct isl_vec
*vec
)
187 vec
= isl_vec_cow(vec
);
191 isl_seq_cdiv_q(vec
->el
+ 1, vec
->el
+ 1, vec
->el
[0], vec
->size
- 1);
193 isl_int_set_si(vec
->el
[0], 1);
198 struct isl_vec
*isl_vec_normalize(struct isl_vec
*vec
)
202 isl_seq_normalize(vec
->ctx
, vec
->el
, vec
->size
);
206 __isl_give isl_vec
*isl_vec_scale(__isl_take isl_vec
*vec
, isl_int m
)
208 if (isl_int_is_one(m
))
210 vec
= isl_vec_cow(vec
);
213 isl_seq_scale(vec
->el
, vec
->el
, m
, vec
->size
);
217 __isl_give isl_vec
*isl_vec_add(__isl_take isl_vec
*vec1
,
218 __isl_take isl_vec
*vec2
)
220 vec1
= isl_vec_cow(vec1
);
224 isl_assert(vec1
->ctx
, vec1
->size
== vec2
->size
, goto error
);
226 isl_seq_combine(vec1
->el
, vec1
->ctx
->one
, vec1
->el
,
227 vec1
->ctx
->one
, vec2
->el
, vec1
->size
);