1 /*
2  * Copyright 2008-2009 Katholieke Universiteit Leuven
3  *
4  * Use of this software is governed by the MIT license
5  *
6  * Written by Sven Verdoolaege, K.U.Leuven, Departement
7  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
8  */
9 
10 #ifndef ISL_SEQ_H
11 #define ISL_SEQ_H
12 
13 #include <sys/types.h>
14 #include <isl_int.h>
15 #include <isl/ctx.h>
16 
17 #if defined(__cplusplus)
18 extern "C" {
19 #endif
20 
21 /* Some common operations on sequences of isl_int's */
22 
23 void isl_seq_clr(isl_int *p, unsigned len);
24 void isl_seq_set(isl_int *p, isl_int v, unsigned len);
25 void isl_seq_set_si(isl_int *p, int v, unsigned len);
26 void isl_seq_neg(isl_int *dst, isl_int *src, unsigned len);
27 void isl_seq_cpy(isl_int *dst, isl_int *src, unsigned len);
28 void isl_seq_addmul(isl_int *dst, isl_int f, isl_int *src, unsigned len);
29 void isl_seq_submul(isl_int *dst, isl_int f, isl_int *src, unsigned len);
30 void isl_seq_swp_or_cpy(isl_int *dst, isl_int *src, unsigned len);
31 void isl_seq_scale(isl_int *dst, isl_int *src, isl_int f, unsigned len);
32 void isl_seq_scale_down(isl_int *dst, isl_int *src, isl_int f, unsigned len);
33 void isl_seq_cdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len);
34 void isl_seq_fdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len);
35 void isl_seq_fdiv_r(isl_int *dst, isl_int *src, isl_int m, unsigned len);
36 void isl_seq_combine(isl_int *dst, isl_int m1, isl_int *src1,
37 			isl_int m2, isl_int *src2, unsigned len);
38 void isl_seq_elim(isl_int *dst, isl_int *src, unsigned pos, unsigned len,
39 		  isl_int *m);
40 void isl_seq_abs_max(isl_int *p, unsigned len, isl_int *max);
41 void isl_seq_gcd(isl_int *p, unsigned len, isl_int *gcd);
42 void isl_seq_lcm(isl_int *p, unsigned len, isl_int *lcm);
43 void isl_seq_normalize(struct isl_ctx *ctx, isl_int *p, unsigned len);
44 void isl_seq_inner_product(isl_int *p1, isl_int *p2, unsigned len,
45 			   isl_int *prod);
46 int isl_seq_first_non_zero(isl_int *p, unsigned len);
47 int isl_seq_last_non_zero(isl_int *p, unsigned len);
48 int isl_seq_abs_min_non_zero(isl_int *p, unsigned len);
49 int isl_seq_eq(isl_int *p1, isl_int *p2, unsigned len);
50 int isl_seq_cmp(isl_int *p1, isl_int *p2, unsigned len);
51 int isl_seq_is_neg(isl_int *p1, isl_int *p2, unsigned len);
52 
53 void isl_seq_substitute(isl_int *p, int pos, isl_int *subs,
54 	int p_len, int subs_len, isl_int v);
55 
56 uint32_t isl_seq_get_hash(isl_int *p, unsigned len);
57 uint32_t isl_seq_get_hash_bits(isl_int *p, unsigned len, unsigned bits);
58 
59 #if defined(__cplusplus)
60 }
61 #endif
62 
63 #endif
64