1 /* mpc_set_x -- Set the real part of a complex number
2 (imaginary part equals +0 regardless of rounding mode).
3
4 Copyright (C) 2008, 2009, 2010, 2011, 2022 INRIA
5
6 This file is part of GNU MPC.
7
8 GNU MPC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU Lesser General Public License as published by the
10 Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
12
13 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
16 more details.
17
18 You should have received a copy of the GNU Lesser General Public License
19 along with this program. If not, see http://www.gnu.org/licenses/ .
20 */
21
22 #include "config.h"
23
24 #ifdef HAVE_COMPLEX_H
25 # include <complex.h>
26 #endif
27
28 #include "mpc-impl.h"
29
30 #define MPC_SET_X(real_t, z, real_value, rnd) \
31 { \
32 int _inex_re, _inex_im; \
33 _inex_re = (mpfr_set_ ## real_t) (mpc_realref (z), (real_value), MPC_RND_RE (rnd)); \
34 _inex_im = mpfr_set_ui (mpc_imagref (z), 0, MPC_RND_IM (rnd)); \
35 return MPC_INEX (_inex_re, _inex_im); \
36 }
37
38 int
mpc_set_fr(mpc_ptr a,mpfr_srcptr b,mpc_rnd_t rnd)39 mpc_set_fr (mpc_ptr a, mpfr_srcptr b, mpc_rnd_t rnd)
40 MPC_SET_X (fr, a, b, rnd)
41
42 int
43 mpc_set_d (mpc_ptr a, double b, mpc_rnd_t rnd)
44 MPC_SET_X (d, a, b, rnd)
45
46 int
47 mpc_set_ld (mpc_ptr a, long double b, mpc_rnd_t rnd)
48 MPC_SET_X (ld, a, b, rnd)
49
50 int
51 mpc_set_ui (mpc_ptr a, unsigned long int b, mpc_rnd_t rnd)
52 MPC_SET_X (ui, a, b, rnd)
53
54 int
55 mpc_set_si (mpc_ptr a, long int b, mpc_rnd_t rnd)
56 MPC_SET_X (si, a, b, rnd)
57
58 int
59 mpc_set_z (mpc_ptr a, mpz_srcptr b, mpc_rnd_t rnd)
60 MPC_SET_X (z, a, b, rnd)
61
62 int
63 mpc_set_q (mpc_ptr a, mpq_srcptr b, mpc_rnd_t rnd)
64 MPC_SET_X (q, a, b, rnd)
65
66 int
67 mpc_set_f (mpc_ptr a, mpf_srcptr b, mpc_rnd_t rnd)
68 MPC_SET_X (f, a, b, rnd)
69
70 #ifdef _MPC_H_HAVE_INTMAX_T
71 int
72 mpc_set_uj (mpc_ptr a, uintmax_t b, mpc_rnd_t rnd)
73 MPC_SET_X (uj, a, b, rnd)
74
75 int
76 mpc_set_sj (mpc_ptr a, intmax_t b, mpc_rnd_t rnd)
77 MPC_SET_X (sj, a, b, rnd)
78 #endif
79
80 #ifdef HAVE_COMPLEX_H
81 int
82 mpc_set_dc (mpc_ptr a, double _Complex b, mpc_rnd_t rnd) {
83 return mpc_set_d_d (a, creal (b), cimag (b), rnd);
84 }
85
86 int
mpc_set_ldc(mpc_ptr a,long double _Complex b,mpc_rnd_t rnd)87 mpc_set_ldc (mpc_ptr a, long double _Complex b, mpc_rnd_t rnd) {
88 return mpc_set_ld_ld (a, creall (b), cimagl (b), rnd);
89 }
90 #endif
91
92 void
mpc_set_nan(mpc_ptr a)93 mpc_set_nan (mpc_ptr a) {
94 mpfr_set_nan (mpc_realref (a));
95 mpfr_set_nan (mpc_imagref (a));
96 }
97