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https://review.haiku-os.org/buildtools
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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
510 lines
17 KiB
C
510 lines
17 KiB
C
/* Test file for mpfr_sub1sp.
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Copyright 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 "mpfr-test.h"
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static void check_special (void);
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static void check_random (mpfr_prec_t p);
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int
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main (void)
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{
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mpfr_prec_t p;
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tests_start_mpfr ();
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check_special ();
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for (p = 2 ; p < 200 ; p++)
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check_random (p);
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tests_end_mpfr ();
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return 0;
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}
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#define STD_ERROR \
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{\
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printf("ERROR: for %s and p=%lu and i=%d:\nY=",\
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mpfr_print_rnd_mode ((mpfr_rnd_t) r), p, i);\
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mpfr_print_binary(y);\
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printf("\nZ="); mpfr_print_binary(z);\
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printf("\nReal: "); mpfr_print_binary(x2);\
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printf("\nGot : "); mpfr_print_binary(x);\
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putchar('\n');\
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exit(1);\
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}
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#define STD_ERROR2 \
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{\
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printf("ERROR: for %s and p=%lu and i=%d:\nY=",\
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mpfr_print_rnd_mode ((mpfr_rnd_t) r), p, i);\
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mpfr_print_binary(y);\
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printf("\nZ="); mpfr_print_binary(z);\
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printf("\nR="); mpfr_print_binary(x);\
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printf("\nWrong inexact flag. Real: %d. Got: %d\n", \
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inexact1, inexact2); \
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exit(1);\
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}
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static void
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check_random (mpfr_prec_t p)
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{
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mpfr_t x,y,z,x2;
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int r;
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int i, inexact1, inexact2;
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mpfr_inits2 (p, x, y, z, x2, (mpfr_ptr) 0);
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for (i = 0 ; i < 500 ; i++)
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{
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mpfr_urandomb (y, RANDS);
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mpfr_urandomb (z, RANDS);
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if (MPFR_IS_PURE_FP(y) && MPFR_IS_PURE_FP(z))
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for(r = 0 ; r < MPFR_RND_MAX ; r++)
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{
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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}
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}
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mpfr_clears (x, y, z, x2, (mpfr_ptr) 0);
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}
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static void
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check_special (void)
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{
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mpfr_t x,y,z,x2;
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int r;
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mpfr_prec_t p;
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int i = -1, inexact1, inexact2;
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mpfr_exp_t es;
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mpfr_inits (x, y, z, x2, (mpfr_ptr) 0);
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for (r = 0 ; r < MPFR_RND_MAX ; r++)
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{
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p = 53;
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mpfr_set_prec(x, 53);
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mpfr_set_prec(x2, 53);
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mpfr_set_prec(y, 53);
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mpfr_set_prec(z, 53);
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011000001101101011011001E31");
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mpfr_sub1sp (x, y, y, (mpfr_rnd_t) r);
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if (mpfr_cmp_ui(x, 0))
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{
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printf("Error for x-x with p=%lu. Expected 0. Got:", p);
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mpfr_print_binary(x);
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exit(1);
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}
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mpfr_set(z, y, (mpfr_rnd_t) r);
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mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp_ui(x, 0))
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{
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printf("Error for x-y with y=x and p=%lu. Expected 0. Got:", p);
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mpfr_print_binary(x);
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exit(1);
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}
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/* diff = 0 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011001001101101011011001E31");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff = 1 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011000001101101011011001E30");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff = 2 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011000101101101011011001E32");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff = 32 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011000001101101011011001E63");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff = 52 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011010001101101011011001E83");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff = 53 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011111000001101101011011001E31");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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/* Diff > 200 */
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mpfr_set_str_binary (y,
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"0.10110111101101110010010010011011000001101101011011001E331");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000E31");
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mpfr_set_str_binary (z,
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"0.11111111111111111111111111111111111111111111111111111E30");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000E31");
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mpfr_set_str_binary (z,
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"0.11111111111111111111111111111111111111111111111111111E29");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000E52");
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mpfr_set_str_binary (z,
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"0.10000000000010000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.11100000000000000000000000000000000000000000000000000E53");
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mpfr_set_str_binary (z,
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"0.10000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(z, y, z, (mpfr_rnd_t) r);
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mpfr_set(x, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000E53");
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mpfr_set_str_binary (z,
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"0.10100000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000E54");
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mpfr_set_str_binary (z,
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"0.10100000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 63;
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mpfr_set_prec(x, p);
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mpfr_set_prec(x2, p);
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mpfr_set_prec(y, p);
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mpfr_set_prec(z, p);
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mpfr_set_str_binary (y,
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"0.100000000000000000000000000000000000000000000000000000000000000E62");
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mpfr_set_str_binary (z,
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"0.110000000000000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 64;
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mpfr_set_prec(x, 64);
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mpfr_set_prec(x2, 64);
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mpfr_set_prec(y, 64);
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mpfr_set_prec(z, 64);
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mpfr_set_str_binary (y,
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"0.1100000000000000000000000000000000000000000000000000000000000000E31");
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mpfr_set_str_binary (z,
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"0.1111111111111111111111111110000000000000000000000000011111111111E29");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.1000000000000000000000000000000000000000000000000000000000000000E63");
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mpfr_set_str_binary (z,
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"0.1011000000000000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.1000000000000000000000000000000000000000000000000000000000000000E63");
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mpfr_set_str_binary (z,
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"0.1110000000000000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.10000000000000000000000000000000000000000000000000000000000000E63");
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mpfr_set_str_binary (z,
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"0.10000000000000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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mpfr_set_str_binary (y,
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"0.1000000000000000000000000000000000000000000000000000000000000000E64");
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mpfr_set_str_binary (z,
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"0.1010000000000000000000000000000000000000000000000000000000000000E00");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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MPFR_SET_NAN(x);
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MPFR_SET_NAN(x2);
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mpfr_set_str_binary (y,
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"0.1000000000000000000000000000000000000000000000000000000000000000"
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"E-1073741823");
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mpfr_set_str_binary (z,
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"0.1100000000000000000000000000000000000000000000000000000000000000"
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"E-1073741823");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 9;
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mpfr_set_prec(x, p);
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mpfr_set_prec(x2, p);
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mpfr_set_prec(y, p);
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mpfr_set_prec(z, p);
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mpfr_set_str_binary (y, "0.100000000E1");
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mpfr_set_str_binary (z, "0.100000000E-8");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 34;
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mpfr_set_prec(x, p);
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mpfr_set_prec(x2, p);
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mpfr_set_prec(y, p);
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mpfr_set_prec(z, p);
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mpfr_set_str_binary (y, "-0.1011110000111100010111011100110100E-18");
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mpfr_set_str_binary (z, "0.1000101010110011010101011110000000E-14");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 124;
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mpfr_set_prec(x, p);
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mpfr_set_prec(x2, p);
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mpfr_set_prec(y, p);
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mpfr_set_prec(z, p);
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mpfr_set_str_binary (y,
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"0.1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000E1");
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mpfr_set_str_binary (z,
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"0.1011111000100111000011001000011101010101101100101010101001000001110100001101110110001110111010000011101001100010111110001100E-31");
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inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
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inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
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if (mpfr_cmp(x, x2))
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STD_ERROR;
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if (inexact1 != inexact2)
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STD_ERROR2;
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p = 288;
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mpfr_set_prec(x, p);
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mpfr_set_prec(x2, p);
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mpfr_set_prec(y, p);
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mpfr_set_prec(z, p);
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mpfr_set_str_binary (y,
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"0.111000110011000001000111101010111011110011101001101111111110000011100101000001001010110010101010011001010100000001110011110001010101101010001011101110100100001011110100110000101101100011010001001011011010101010000010001101001000110010010111111011110001111101001000101101001100101100101000E80");
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mpfr_set_str_binary (z,
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"-0.100001111111101001011010001100110010100111001110000110011101001011010100001000000100111011010110110010000000000010101101011000010000110001110010100001100101011100100100001011000100011110000001010101000100011101001000010111100000111000111011001000100100011000100000010010111000000100100111E-258");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
p = 85;
|
|
mpfr_set_prec(x, p);
|
|
mpfr_set_prec(x2, p);
|
|
mpfr_set_prec(y, p);
|
|
mpfr_set_prec(z, p);
|
|
|
|
mpfr_set_str_binary (y,
|
|
"0.1111101110100110110110100010101011101001100010100011110110110010010011101100101111100E-4");
|
|
mpfr_set_str_binary (z,
|
|
"0.1111101110100110110110100010101001001000011000111000011101100101110100001110101010110E-4");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
p = 64;
|
|
mpfr_set_prec(x, p); mpfr_set_prec(x2, p);
|
|
mpfr_set_prec(y, p); mpfr_set_prec(z, p);
|
|
|
|
mpfr_set_str_binary (y,
|
|
"0.11000000000000000000000000000000"
|
|
"00000000000000000000000000000000E1");
|
|
mpfr_set_str_binary (z,
|
|
"0.10000000000000000000000000000000"
|
|
"00000000000000000000000000000001E0");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
mpfr_set_str_binary (y,
|
|
"0.11000000000000000000000000000000"
|
|
"000000000000000000000000000001E1");
|
|
mpfr_set_str_binary (z,
|
|
"0.10000000000000000000000000000000"
|
|
"00000000000000000000000000000001E0");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
es = mpfr_get_emin ();
|
|
set_emin (-1024);
|
|
|
|
mpfr_set_str_binary (y,
|
|
"0.10000000000000000000000000000000"
|
|
"000000000000000000000000000000E-1023");
|
|
mpfr_set_str_binary (z,
|
|
"0.10000000000000000000000000000000"
|
|
"00000000000000000000000000000001E-1023");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
mpfr_set_str_binary (y,
|
|
"0.10000000000000000000000000000000"
|
|
"000000000000000000000000000000E-1023");
|
|
mpfr_set_str_binary (z,
|
|
"0.1000000000000000000000000000000"
|
|
"000000000000000000000000000000E-1023");
|
|
inexact1 = mpfr_sub1(x2, y, z, (mpfr_rnd_t) r);
|
|
inexact2 = mpfr_sub1sp(x, y, z, (mpfr_rnd_t) r);
|
|
if (mpfr_cmp(x, x2))
|
|
STD_ERROR;
|
|
if (inexact1 != inexact2)
|
|
STD_ERROR2;
|
|
|
|
set_emin (es);
|
|
}
|
|
|
|
mpfr_clears (x, y, z, x2, (mpfr_ptr) 0);
|
|
}
|