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/* tstrtoc -- test file for mpc_strtoc.
Copyright (C) 2009, 2011 INRIA
This file is part of GNU MPC.
GNU MPC 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 3 of the License, or (at your
option) any later version.
GNU MPC 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 this program. If not, see http://www.gnu.org/licenses/ .
*/
#include <string.h>
#include <stdlib.h>
#include "mpc-tests.h"
extern unsigned long line_number;
extern int nextchar;
extern char *pathname;
/* names of rounding modes */
extern const char *rnd_mode[];
static void
check_file (const char* file_name)
{
FILE *fp;
unsigned long test_line_number;
size_t str_len = 255;
char *str = NULL;
size_t rstr_len = 255;
char *rstr = NULL;
char *end = NULL;
int base;
int inex_re;
int inex_im;
mpc_t expected, got;
mpc_rnd_t rnd = MPC_RNDNN;
int inex = 0, inex_expected;
known_signs_t ks = {1, 1};
fp = open_data_file (file_name);
/* initializations */
str = (char *) malloc (str_len);
if (str == NULL)
{
printf ("Cannot allocate memory\n");
exit (1);
}
rstr = (char *) malloc (rstr_len);
if (rstr == NULL)
{
printf ("Cannot allocate memory\n");
exit (1);
}
mpc_init2 (expected, 53);
mpc_init2 (got, 53);
/* read data file */
line_number = 1;
nextchar = getc (fp);
while (nextchar != EOF)
{
skip_whitespace_comments (fp);
/* 1. read a line of data: expected result, base, rounding mode */
test_line_number = line_number;
read_ternary (fp, &inex_re);
read_ternary (fp, &inex_im);
read_mpc (fp, expected, NULL);
if (inex_re == TERNARY_ERROR || inex_im == TERNARY_ERROR)
inex_expected = -1;
else
inex_expected = MPC_INEX (inex_re, inex_im);
str_len = read_string (fp, &str, str_len, "number string");
rstr_len = read_string (fp, &rstr, rstr_len, "string remainder");
read_int (fp, &base, "base");
read_mpc_rounding_mode (fp, &rnd);
/* 2. convert string at the same precision as the expected result */
mpfr_set_prec (mpc_realref (got), MPC_PREC_RE (expected));
mpfr_set_prec (mpc_imagref (got), MPC_PREC_IM (expected));
inex = mpc_strtoc (got, str, &end, base, rnd);
/* 3. compare this result with the expected one */
if (inex != inex_expected
|| !same_mpc_value (got, expected, ks)
|| strcmp (end, rstr) != 0)
{
printf ("mpc_strtoc(str) failed (line %lu)\nwith base=%d and "
"rounding mode %s\n", test_line_number, base,
rnd_mode[rnd]);
if (inex != MPC_INEX (inex_re, inex_im))
printf ("ternary value: got %s, expected (%s, %s)\n",
MPC_INEX_STR (inex),
(inex_re == +1 ? "+1" : (inex_re == -1 ? "-1" : "0")),
(inex_im == +1 ? "+1" : (inex_im == -1 ? "-1" : "0")));
printf ("str = \"%s\"\n", str);
if (strcmp (end, rstr) != 0)
printf ("string remainder expected \"%s\"\n"
" got \"%s\"\n",
rstr, end);
else
{
printf (" ");
MPC_OUT (got);
MPC_OUT (expected);
}
exit (1);
}
end = NULL;
}
mpc_clear (expected);
mpc_clear (got);
if (str != NULL)
free (str);
if (rstr != NULL)
free (rstr);
close_data_file (fp);
}
static void
check_null (void)
{
int inex;
char *end;
mpc_t z;
mpc_init2 (z, 53);
inex = mpc_strtoc (z, NULL, &end, 10, MPC_RNDNN);
if (end != NULL || inex != -1 || mpfr_nan_p (mpc_realref (z)) == 0
|| mpfr_nan_p (mpc_imagref (z)) == 0)
{
printf ("Error: mpc_strtoc(z, NULL) with a NULL pointer should fail"
" and the z value should be set to NaN +I*NaN\ngot ");
MPC_OUT (z);
exit (1);
}
mpc_clear (z);
}
int
main (void)
{
check_null ();
check_file ("strtoc.dat");
return 0;
}
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