1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* mpc_inp_str -- Input a complex number from a given stream.
Copyright (C) 2002 Andreas Enge, Paul Zimmermann
This file is part of the MPC Library.
The MPC Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPC Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPC Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#include <stdio.h>
#include <ctype.h>
#include "gmp.h"
#include "mpfr.h"
#include "mpc.h"
size_t
mpc_inp_str (mpc_ptr rop, FILE *stream, int base, mp_rnd_t rnd_mode)
{
size_t size, size_im;
int c;
/* input real part */
size = mpfr_inp_str (MPC_RE(rop), stream, base, MPC_RND_RE(rnd_mode));
if (size == 0) /* error while reading the real part */
return 0;
/* get 'i' or 'I' followed by '*' */
do
{
c = getc (stream);
size ++;
}
while (isspace (c));
if (c != '+')
return 0; /* error */
c = getc (stream);
size ++;
if (c != 'I')
return 0; /* error */
c = getc (stream);
size ++;
if (c != '*')
return 0; /* error */
size_im = mpfr_inp_str (MPC_IM(rop), stream, base, MPC_RND_IM(rnd_mode));
if (size_im == 0) /* error while reading the imaginary part */
return 0;
return size + size_im;
}
|
