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b58ddff026
* merged mpfr 3.0.0 and gmp 5.0.1 in buildtools trunk git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@37378 a95241bf-73f2-0310-859d-f6bbb57e9c96
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/* Test file for mpfr_add_ui
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Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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Contributed by the Arenaire and Cacao 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. If not, see
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http://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <float.h>
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#include "mpfr-test.h"
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/* checks that x+y gives the right results with 53 bits of precision */
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static void
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check3 (const char *xs, unsigned long y, mpfr_rnd_t rnd_mode, const char *zs)
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{
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mpfr_t xx, zz;
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mpfr_inits2 (53, xx, zz, (mpfr_ptr) 0);
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mpfr_set_str1 (xx, xs);
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mpfr_add_ui (zz, xx, y, rnd_mode);
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if (mpfr_cmp_str1(zz, zs) )
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{
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printf ("expected sum is %s, got ",zs);
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mpfr_out_str(stdout, 10, 0, zz, MPFR_RNDN);
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printf ("\nmpfr_add_ui failed for x=%s y=%lu with rnd_mode=%s\n",
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xs, y, mpfr_print_rnd_mode(rnd_mode));
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exit (1);
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}
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mpfr_clears (xx, zz, (mpfr_ptr) 0);
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}
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static void
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special (void)
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{
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mpfr_t x, y;
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mpfr_init2 (x, 63);
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mpfr_init2 (y, 63);
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mpfr_set_str_binary (x, "0.110100000000000001110001110010111111000000000101100011100100011");
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mpfr_add_ui (y, x, 1, MPFR_RNDD);
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mpfr_clear (x);
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mpfr_clear (y);
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}
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static void
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check_nans (void)
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{
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mpfr_t x, y;
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mpfr_init2 (x, 123L);
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mpfr_init2 (y, 123L);
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/* nan + 2394875 == nan */
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mpfr_set_nan (x);
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mpfr_add_ui (y, x, 2394875L, MPFR_RNDN);
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MPFR_ASSERTN (mpfr_nan_p (y));
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/* +inf + 2394875 == +inf */
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mpfr_set_inf (x, 1);
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mpfr_add_ui (y, x, 2394875L, MPFR_RNDN);
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MPFR_ASSERTN (mpfr_inf_p (y));
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MPFR_ASSERTN (mpfr_sgn (y) > 0);
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/* -inf + 2394875 == -inf */
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mpfr_set_inf (x, -1);
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mpfr_add_ui (y, x, 2394875L, MPFR_RNDN);
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MPFR_ASSERTN (mpfr_inf_p (y));
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MPFR_ASSERTN (mpfr_sgn (y) < 0);
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mpfr_clear (x);
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mpfr_clear (y);
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}
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#define TEST_FUNCTION mpfr_add_ui
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#define INTEGER_TYPE unsigned long
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#define RAND_FUNCTION(x) mpfr_random2(x, MPFR_LIMB_SIZE (x), 1, RANDS)
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#include "tgeneric_ui.c"
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int
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main (int argc, char *argv[])
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{
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tests_start_mpfr ();
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check_nans ();
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special ();
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check3 ("-1.716113812768534e-140", 1271212614, MPFR_RNDZ,
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"1.27121261399999976e9");
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check3 ("1.22191250737771397120e+20", 948002822, MPFR_RNDN,
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"122191250738719408128.0");
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check3 ("-6.72658901114033715233e-165", 2000878121, MPFR_RNDZ,
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"2.0008781209999997615e9");
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check3 ("-2.0769715792901673e-5", 880524, MPFR_RNDN,
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"8.8052399997923023e5");
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test_generic_ui (2, 1000, 100);
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tests_end_mpfr ();
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return 0;
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}
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