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/* Test file for internal debugging-out functions:
mpfr_print_rnd_mode, mpfr_dump, mpfr_print_mant_binary.
Copyright 2004-2025 Free Software Foundation, Inc.
Contributed by the Pascaline and Caramba projects, INRIA.
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 <https://www.gnu.org/licenses/>. */
#include "mpfr-test.h"
#define FILE_NAME "toutimpl_out.txt"
static const char Buffer[] =
"@NaN@\n"
"-@NaN@\n"
"@Inf@\n"
"-@Inf@\n"
"0\n"
"-0\n"
"0.10101010101011111001000110001100010000100000000000000E32\n"
#if GMP_NUMB_BITS == 32
"x = 10101010101011111001000110001100.010000100000000000000[00000000000.]\n"
"0.01010101010101111100100011000110010000100000000000000[00000000001]E32!!!NT<!!!\n"
"0.01010101010101111100100011000110010000100000000000000[00000000001]E32!!!NT>!!!\n"
#elif GMP_NUMB_BITS == 64
"x = 10101010101011111001000110001100010000100000000000000[00000000000.]\n"
"0.01010101010101111100100011000110001000010000000000000[00000000001]E32!!!NT<!!!\n"
"0.01010101010101111100100011000110001000010000000000000[00000000001]E32!!!NT>!!!\n"
#endif
;
int
main (void)
{
mpfr_exp_t e;
mpfr_t x;
FILE *f;
int i;
tests_start_mpfr ();
/* Check RND_MODE */
if (strcmp (mpfr_print_rnd_mode (MPFR_RNDN), "MPFR_RNDN"))
{
printf ("Error for printing MPFR_RNDN\n");
exit (1);
}
if (strcmp (mpfr_print_rnd_mode (MPFR_RNDU), "MPFR_RNDU"))
{
printf ("Error for printing MPFR_RNDU\n");
exit (1);
}
if (strcmp (mpfr_print_rnd_mode (MPFR_RNDD), "MPFR_RNDD"))
{
printf ("Error for printing MPFR_RNDD\n");
exit (1);
}
if (strcmp (mpfr_print_rnd_mode (MPFR_RNDZ), "MPFR_RNDZ"))
{
printf ("Error for printing MPFR_RNDZ\n");
exit (1);
}
if (mpfr_print_rnd_mode ((mpfr_rnd_t) -1) != NULL ||
mpfr_print_rnd_mode (MPFR_RND_MAX) != NULL)
{
printf ("Error for illegal rounding mode values.\n");
exit (1);
}
/* Reopen stdout to a file. All errors will be put to stderr. */
if (freopen (FILE_NAME, "w", stdout) == NULL)
{
printf ("Error can't redirect stdout\n");
exit (1);
}
mpfr_init2 (x, 53);
mpfr_set_nan (x);
mpfr_dump (x);
MPFR_CHANGE_SIGN (x);
mpfr_dump (x);
mpfr_set_inf (x, +1);
mpfr_dump (x);
mpfr_set_inf (x, -1);
mpfr_dump (x);
mpfr_set_zero (x, +1);
mpfr_dump (x);
mpfr_set_zero (x, -1);
mpfr_dump (x);
mpfr_set_str_binary (x, "0.101010101010111110010001100011000100001E32");
mpfr_dump (x);
mpfr_print_mant_binary ("x =", MPFR_MANT(x), MPFR_PREC(x));
MPFR_MANT(x)[MPFR_LAST_LIMB(x)] >>= 1;
MPFR_MANT(x)[0] |= 1;
e = mpfr_get_emin ();
set_emin (33);
mpfr_dump (x);
set_emin (e);
e = mpfr_get_emax ();
set_emax (31);
mpfr_dump (x);
set_emax (e);
mpfr_clear (x);
fclose (stdout);
/* Open it and check for it */
f = fopen (FILE_NAME, "r");
if (f == NULL)
{
fprintf (stderr, "Can't reopen file!\n");
exit (1);
}
for (i = 0 ; i < sizeof (Buffer) - 1 ; i++)
{
if (feof (f))
{
fprintf (stderr, "Error EOF\n");
exit (1);
}
if (Buffer[i] != fgetc (f))
{
fprintf (stderr, "Character mismatch for i = %d / %lu\n",
i, (unsigned long) sizeof (Buffer));
exit (1);
}
}
fclose (f);
remove (FILE_NAME);
tests_end_mpfr ();
return 0;
}
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