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/* Test file for mpfr_fpif.
Copyright 2012 Free Software Foundation, Inc.
Contributed by Olivier Demengeon.
This file is part of the GNU MPFR Library.
The GNU MPFR 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 3 of the License, or (at your
option) any later version.
The GNU MPFR 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 GNU MPFR Library; see the file COPYING.LESSER. If not, see
http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
#include "mpfr-test.h"
#define FILE_NAME_RW "mpfrtest.txt" /* temporary name (written then read) */
#define FILE_NAME_R "mpfrtest.dat" /* fixed file name (read only) */
int
main (int argc, char *argv[])
{
char *filenameCompressed = FILE_NAME_RW;
char *data = FILE_NAME_R;
int status;
FILE *fh;
mpfr_t x[9];
mpfr_t y;
int i;
if (argc != 1)
{
printf ("Usage: %s\n", argv[0]);
exit (1);
}
tests_start_mpfr ();
mpfr_init2 (x[0], 130);
mpfr_init2 (x[8], 130);
mpfr_inits2 (2048, x[1], x[2], x[3], x[4], x[5], x[6], x[7], (mpfr_ptr) 0);
mpfr_set_d (x[0], 45.2564215, MPFR_RNDN);
mpfr_set_d (x[1], 45.2564215, MPFR_RNDN);
mpfr_set_d (x[2], 45.2564215, MPFR_RNDN);
mpfr_set_exp (x[2], -48000);
mpfr_set_inf (x[3], -1);
mpfr_set_zero (x[4], 0);
mpfr_set_nan (x[5]);
mpfr_set_d (x[6], 104348, MPFR_RNDN);
mpfr_set_d (x[7], 33215, MPFR_RNDN);
mpfr_div (x[8], x[6], x[7], MPFR_RNDN);
mpfr_div (x[6], x[6], x[7], MPFR_RNDN);
/* we first write to file FILE_NAME_RW the numbers x[i] */
filenameCompressed = FILE_NAME_RW;
fh = fopen (filenameCompressed, "w");
if (fh == NULL)
{
printf ("Failed to open for writing %s, exiting...\n",
filenameCompressed);
exit (1);
}
for (i = 0; i < 9; i++)
{
status = mpfr_fpif_export_binary (fh, x[i]);
if (status != 0)
{
fclose (fh);
printf ("Failed to export number %d, exiting...\n", i);
exit (1);
}
}
fclose (fh);
/* we then read back FILE_NAME_RW and check we get the same numbers x[i] */
fh = fopen (filenameCompressed, "r");
if (fh == NULL)
{
printf ("Failed to open for reading %s, exiting...\n",
filenameCompressed);
exit (1);
}
for (i = 0; i < 9; i++)
{
mpfr_init2 (y, 2);
mpfr_fpif_import_binary (fh, y);
if (mpfr_cmp(x[i], y) != 0)
{
printf ("mpfr_cmp failed on written number %d, exiting...\n", i);
printf ("expected "); mpfr_dump (x[i]);
printf ("got "); mpfr_dump (y);
exit (1);
}
mpfr_clear (y);
}
fclose (fh);
/* we do the same for the fixed file FILE_NAME_R, this ensures
we get same results with different word size or endianness */
fh = fopen (data, "r");
if (fh == NULL)
{
printf ("Failed to open for reading %s, exiting...\n", data);
exit (1);
}
for (i = 0; i < 9; i++)
{
mpfr_init2 (y, 2);
mpfr_fpif_import_binary (fh, y);
if (mpfr_cmp (x[i], y) != 0)
{
printf ("mpfr_cmp failed on data number %d, exiting...\n", i);
printf ("expected "); mpfr_dump (x[i]);
printf ("got "); mpfr_dump (y);
exit (1);
}
mpfr_clear (y);
}
fclose (fh);
for (i = 0; i < 9; i++)
mpfr_clear (x[i]);
remove (FILE_NAME_RW);
tests_end_mpfr ();
return 0;
}
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