vasilito
facf0c92e0
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/* Test file for mpfr_min_prec.
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Copyright 2009-2025 Free Software Foundation, Inc.
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Contributed by the Pascaline and Caramba projects, INRIA.
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This file is part of the GNU MPFR Library.
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The GNU MPFR Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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The GNU MPFR Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MPFR Library; see the file COPYING.LESSER.
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If not, see <https://www.gnu.org/licenses/>. */
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#include "mpfr-test.h"
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int
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main (int argc, char *argv[])
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{
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mpfr_t x;
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mpfr_prec_t ret;
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unsigned long i;
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tests_start_mpfr ();
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mpfr_init2 (x, 53);
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/* Check special values */
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mpfr_set_nan (x);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 0);
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mpfr_set_inf (x, 1);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 0);
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mpfr_set_inf (x, -1);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 0);
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mpfr_set_ui (x, 0, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 0);
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/* Some constants */
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mpfr_set_ui (x, 1, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 1);
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mpfr_set_ui (x, 17, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 5);
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mpfr_set_ui (x, 42, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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MPFR_ASSERTN (ret == 5);
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mpfr_set_prec (x, 256);
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for (i = 0; i <= 255; i++)
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{
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mpfr_set_ui_2exp (x, 1, i, MPFR_RNDN);
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mpfr_add_ui (x, x, 1, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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if (ret != i + 1)
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{
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printf ("Error for x = 2^%lu + 1\n", i);
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printf ("Expected %lu, got %lu\n", i + 1, (unsigned long) ret);
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exit (1);
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}
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}
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for (i = MPFR_PREC_MIN; i <= 255; i++)
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{
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mpfr_set_prec (x, i);
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mpfr_set_ui_2exp (x, 1, i, MPFR_RNDN);
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mpfr_sub_ui (x, x, 1, MPFR_RNDN);
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ret = mpfr_min_prec (x);
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if (ret != i)
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{
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printf ("Error for x = 2^%lu - 1\n", i);
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printf ("Expected %lu, got %lu\n", i, (unsigned long) ret);
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exit (1);
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}
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}
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mpfr_clear (x);
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tests_end_mpfr ();
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return 0;
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}
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