1/*
2 * Copyright 2011 Sven Verdoolaege
3 * Copyright 2012-2013 Ecole Normale Superieure
4 *
5 * Use of this software is governed by the MIT license
6 *
7 * Written by Sven Verdoolaege,
8 * Ecole Normale Superieure, 45 rue d'Ulm, 75230 Paris, France
9 */
10
11#include <isl/space.h>
12#include <isl_val_private.h>
13
14#include <isl_multi_macro.h>
15
16/* Add "multi2" to "multi1" and return the result.
17 */
18__isl_give MULTI(BASE) *FN(MULTI(BASE),add)(__isl_take MULTI(BASE) *multi1,
19 __isl_take MULTI(BASE) *multi2)
20{
21 return FN(MULTI(BASE),bin_op)(multi1, multi2, fn: &FN(EL,add));
22}
23
24/* Subtract "multi2" from "multi1" and return the result.
25 */
26__isl_give MULTI(BASE) *FN(MULTI(BASE),sub)(__isl_take MULTI(BASE) *multi1,
27 __isl_take MULTI(BASE) *multi2)
28{
29 return FN(MULTI(BASE),bin_op)(multi1, multi2, fn: &FN(EL,sub));
30}
31
32/* Depending on "fn", multiply or divide the elements of "multi" by "v" and
33 * return the result.
34 */
35static __isl_give MULTI(BASE) *FN(MULTI(BASE),scale_val_fn)(
36 __isl_take MULTI(BASE) *multi, __isl_take isl_val *v,
37 __isl_give EL *(*fn)(__isl_take EL *el, __isl_take isl_val *v))
38{
39 if (!multi || !v)
40 goto error;
41
42 if (isl_val_is_one(v)) {
43 isl_val_free(v);
44 return multi;
45 }
46
47 if (!isl_val_is_rat(v))
48 isl_die(isl_val_get_ctx(v), isl_error_invalid,
49 "expecting rational factor", goto error);
50
51 return FN(MULTI(BASE),fn_val)(multi, fn, v);
52error:
53 isl_val_free(v);
54 return FN(MULTI(BASE),free)(multi);
55}
56
57/* Multiply the elements of "multi" by "v" and return the result.
58 */
59__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_val)(__isl_take MULTI(BASE) *multi,
60 __isl_take isl_val *v)
61{
62 return FN(MULTI(BASE),scale_val_fn)(multi, v, fn: &FN(EL,scale_val));
63}
64
65/* Divide the elements of "multi" by "v" and return the result.
66 */
67__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_down_val)(
68 __isl_take MULTI(BASE) *multi, __isl_take isl_val *v)
69{
70 if (!v)
71 goto error;
72 if (isl_val_is_zero(v))
73 isl_die(isl_val_get_ctx(v), isl_error_invalid,
74 "cannot scale down by zero", goto error);
75 return FN(MULTI(BASE),scale_val_fn)(multi, v, fn: &FN(EL,scale_down_val));
76error:
77 isl_val_free(v);
78 return FN(MULTI(BASE),free)(multi);
79}
80
81/* Multiply the elements of "multi" by the corresponding element of "mv"
82 * and return the result.
83 */
84__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_multi_val)(
85 __isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
86{
87 return FN(MULTI(BASE),fn_multi_val)(multi, fn: &FN(EL,scale_val), mv);
88}
89
90/* Divide the elements of "multi" by the corresponding element of "mv"
91 * and return the result.
92 */
93__isl_give MULTI(BASE) *FN(MULTI(BASE),scale_down_multi_val)(
94 __isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
95{
96 return FN(MULTI(BASE),fn_multi_val)(multi, fn: &FN(EL,scale_down_val), mv);
97}
98
99/* Compute the residues of the elements of "multi" modulo
100 * the corresponding element of "mv" and return the result.
101 */
102__isl_give MULTI(BASE) *FN(MULTI(BASE),mod_multi_val)(
103 __isl_take MULTI(BASE) *multi, __isl_take isl_multi_val *mv)
104{
105 return FN(MULTI(BASE),fn_multi_val)(multi, fn: &FN(EL,mod_val), mv);
106}
107
108/* Return the opposite of "multi".
109 */
110__isl_give MULTI(BASE) *FN(MULTI(BASE),neg)(__isl_take MULTI(BASE) *multi)
111{
112 return FN(MULTI(BASE),un_op)(multi, fn: &FN(EL,neg));
113}
114

source code of polly/lib/External/isl/isl_multi_arith_templ.c