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
13 struct isl_vec
*isl_vec_alloc(struct isl_ctx
*ctx
, unsigned size
)
17 vec
= isl_alloc_type(ctx
, struct isl_vec
);
21 vec
->block
= isl_blk_alloc(ctx
, size
);
22 if (isl_blk_is_error(vec
->block
))
29 vec
->el
= vec
->block
.data
;
33 isl_blk_free(ctx
, vec
->block
);
37 __isl_give isl_vec
*isl_vec_extend(__isl_take isl_vec
*vec
, unsigned size
)
41 if (size
<= vec
->size
)
44 vec
= isl_vec_cow(vec
);
48 vec
->block
= isl_blk_extend(vec
->ctx
, vec
->block
, size
);
53 vec
->el
= vec
->block
.data
;
61 __isl_give isl_vec
*isl_vec_zero_extend(__isl_take isl_vec
*vec
, unsigned size
)
67 if (size
<= vec
->size
)
70 vec
= isl_vec_cow(vec
);
74 extra
= size
- vec
->size
;
75 vec
= isl_vec_extend(vec
, size
);
79 isl_seq_clr(vec
->el
+ size
- extra
, extra
);
84 struct isl_vec
*isl_vec_copy(struct isl_vec
*vec
)
93 struct isl_vec
*isl_vec_dup(struct isl_vec
*vec
)
99 vec2
= isl_vec_alloc(vec
->ctx
, vec
->size
);
100 isl_seq_cpy(vec2
->el
, vec
->el
, vec
->size
);
104 struct isl_vec
*isl_vec_cow(struct isl_vec
*vec
)
106 struct isl_vec
*vec2
;
113 vec2
= isl_vec_dup(vec
);
118 void isl_vec_free(struct isl_vec
*vec
)
126 isl_ctx_deref(vec
->ctx
);
127 isl_blk_free(vec
->ctx
, vec
->block
);
131 __isl_give isl_printer
*isl_printer_print_vec(__isl_take isl_printer
*printer
,
132 __isl_keep isl_vec
*vec
)
136 if (!printer
|| !vec
)
139 printer
= isl_printer_print_str(printer
, "[");
140 for (i
= 0; i
< vec
->size
; ++i
) {
142 printer
= isl_printer_print_str(printer
, ",");
143 printer
= isl_printer_print_isl_int(printer
, vec
->el
[i
]);
145 printer
= isl_printer_print_str(printer
, "]");
149 isl_printer_free(printer
);
153 void isl_vec_dump(struct isl_vec
*vec
)
155 isl_printer
*printer
;
160 printer
= isl_printer_to_file(vec
->ctx
, stderr
);
161 printer
= isl_printer_print_vec(printer
, vec
);
162 printer
= isl_printer_end_line(printer
);
164 isl_printer_free(printer
);
167 __isl_give isl_vec
*isl_vec_clr(__isl_take isl_vec
*vec
)
169 vec
= isl_vec_cow(vec
);
172 isl_seq_clr(vec
->el
, vec
->size
);
176 void isl_vec_lcm(struct isl_vec
*vec
, isl_int
*lcm
)
178 isl_seq_lcm(vec
->block
.data
, vec
->size
, lcm
);
181 /* Given a rational vector, with the denominator in the first element
182 * of the vector, round up all coordinates.
184 struct isl_vec
*isl_vec_ceil(struct isl_vec
*vec
)
186 vec
= isl_vec_cow(vec
);
190 isl_seq_cdiv_q(vec
->el
+ 1, vec
->el
+ 1, vec
->el
[0], vec
->size
- 1);
192 isl_int_set_si(vec
->el
[0], 1);
197 struct isl_vec
*isl_vec_normalize(struct isl_vec
*vec
)
201 isl_seq_normalize(vec
->ctx
, vec
->el
, vec
->size
);
205 __isl_give isl_vec
*isl_vec_scale(__isl_take isl_vec
*vec
, isl_int m
)
207 if (isl_int_is_one(m
))
209 vec
= isl_vec_cow(vec
);
212 isl_seq_scale(vec
->el
, vec
->el
, m
, vec
->size
);
216 __isl_give isl_vec
*isl_vec_add(__isl_take isl_vec
*vec1
,
217 __isl_take isl_vec
*vec2
)
219 vec1
= isl_vec_cow(vec1
);
223 isl_assert(vec1
->ctx
, vec1
->size
== vec2
->size
, goto error
);
225 isl_seq_combine(vec1
->el
, vec1
->ctx
->one
, vec1
->el
,
226 vec1
->ctx
->one
, vec2
->el
, vec1
->size
);