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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
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* test file for digamma function
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Copyright 2009, 2010 Free Software Foundation, Inc.
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Contributed by the Arenaire and Cacao projects, INRIA.
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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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#define TEST_FUNCTION mpfr_digamma
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#include "tgeneric.c"
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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_init (x);
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mpfr_init (y);
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mpfr_set_inf (y, -1);
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mpfr_set_inf (x, 1);
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mpfr_digamma (y, x, MPFR_RNDN);
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if (mpfr_inf_p (y) == 0 || mpfr_sgn (y) < 0)
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{
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printf ("error for Psi(+Inf)\n");
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printf ("expected +Inf\n");
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printf ("got ");
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mpfr_dump (y);
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exit (1);
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}
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mpfr_clear (x);
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mpfr_clear (y);
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}
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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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special ();
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test_generic (2, 100, 2);
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data_check ("data/digamma", mpfr_digamma, "mpfr_digamma");
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tests_end_mpfr ();
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return 0;
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}
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