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Unified Diff: gcc/mpfr/tests/ttan.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/mpfr/tests/ttan.c
diff --git a/gcc/mpfr/tests/ttan.c b/gcc/mpfr/tests/ttan.c
deleted file mode 100644
index 5a55a0d0c6ae59a99af13446e93659d5c3d014d9..0000000000000000000000000000000000000000
--- a/gcc/mpfr/tests/ttan.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/* Test file for mpfr_tan.
-
-Copyright 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
-Contributed by the Arenaire and Cacao 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 2.1 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.LIB. If not, write to
-the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
-MA 02110-1301, USA. */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "mpfr-test.h"
-
-#define TEST_FUNCTION mpfr_tan
-#define REDUCE_EMAX 262143 /* otherwise arg. reduction is too expensive */
-#include "tgeneric.c"
-
-static void
-check_nans (void)
-{
- mpfr_t x, y;
-
- mpfr_init2 (x, 123L);
- mpfr_init2 (y, 123L);
-
- mpfr_set_nan (x);
- mpfr_tan (y, x, GMP_RNDN);
- if (! mpfr_nan_p (y))
- {
- printf ("Error: tan(NaN) != NaN\n");
- exit (1);
- }
-
- mpfr_set_inf (x, 1);
- mpfr_tan (y, x, GMP_RNDN);
- if (! mpfr_nan_p (y))
- {
- printf ("Error: tan(Inf) != NaN\n");
- exit (1);
- }
-
- mpfr_set_inf (x, -1);
- mpfr_tan (y, x, GMP_RNDN);
- if (! mpfr_nan_p (y))
- {
- printf ("Error: tan(-Inf) != NaN\n");
- exit (1);
- }
-
- /* exercise recomputation */
- mpfr_set_prec (x, 14);
- mpfr_set_str_binary (x, "0.10100000101010E0");
- mpfr_set_prec (y, 24);
- mpfr_tan (y, x, GMP_RNDU);
- mpfr_set_prec (x, 24);
- mpfr_set_str_binary (x, "101110011011001100100001E-24");
- MPFR_ASSERTN(mpfr_cmp (x, y) == 0);
-
- /* Compute ~Pi/2 to check overflow */
- mpfr_set_prec (x, 20000);
- mpfr_const_pi (x, GMP_RNDD);
- mpfr_div_2ui (x, x, 1, GMP_RNDN);
- mpfr_set_prec (y, 24);
- mpfr_tan (y, x, GMP_RNDN);
- if (mpfr_cmp_str (y, "0.100011101101011000100011E20001", 2, GMP_RNDN))
- {
- printf("Error computing tan(~Pi/2)\n");
- mpfr_dump (y);
- exit (1);
- }
-
- /* bug found by Kaveh Ghazi on 13 Jul 2007 */
- mpfr_set_prec (x, 53);
- mpfr_set_prec (y, 53);
- mpfr_set_str_binary (x, "0.10011100110111000001000010110100101000000000000000000E34");
- mpfr_tan (y, x, GMP_RNDN);
- mpfr_set_str_binary (x, "0.1000010011001010001000010100000110100111000011010101E41");
- MPFR_ASSERTN(mpfr_cmp (x, y) == 0);
-
- mpfr_clear (x);
- mpfr_clear (y);
-}
-
-int
-main (int argc, char *argv[])
-{
- mpfr_t x;
- unsigned int i;
- unsigned int prec[10] = {14, 15, 19, 22, 23, 24, 25, 40, 41, 52};
- unsigned int prec2[10] = {4, 5, 6, 19, 70, 95, 100, 106, 107, 108};
-
- tests_start_mpfr ();
-
- check_nans ();
-
- mpfr_init (x);
-
- mpfr_set_prec (x, 2);
- mpfr_set_str (x, "0.5", 10, GMP_RNDN);
- mpfr_tan (x, x, GMP_RNDD);
- if (mpfr_cmp_ui_2exp(x, 1, -1))
- {
- printf ("mpfr_tan(0.5, GMP_RNDD) failed\n"
- "expected 0.5, got");
- mpfr_print_binary(x);
- putchar('\n');
- exit (1);
- }
-
- /* check that tan(3*Pi/4) ~ -1 */
- for (i=0; i<10; i++)
- {
- mpfr_set_prec (x, prec[i]);
- mpfr_const_pi (x, GMP_RNDN);
- mpfr_mul_ui (x, x, 3, GMP_RNDN);
- mpfr_div_ui (x, x, 4, GMP_RNDN);
- mpfr_tan (x, x, GMP_RNDN);
- if (mpfr_cmp_si (x, -1))
- {
- printf ("tan(3*Pi/4) fails for prec=%u\n", prec[i]);
- exit (1);
- }
- }
-
- /* check that tan(7*Pi/4) ~ -1 */
- for (i=0; i<10; i++)
- {
- mpfr_set_prec (x, prec2[i]);
- mpfr_const_pi (x, GMP_RNDN);
- mpfr_mul_ui (x, x, 7, GMP_RNDN);
- mpfr_div_ui (x, x, 4, GMP_RNDN);
- mpfr_tan (x, x, GMP_RNDN);
- if (mpfr_cmp_si (x, -1))
- {
- printf ("tan(3*Pi/4) fails for prec=%u\n", prec2[i]);
- exit (1);
- }
- }
-
- mpfr_clear (x);
-
- test_generic (2, 100, 10);
-
- data_check ("data/tan", mpfr_tan, "mpfr_tan");
- bad_cases (mpfr_tan, mpfr_atan, "mpfr_tan", 256, -256, 255, 4, 128, 800, 40);
-
- tests_end_mpfr ();
- return 0;
-}
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