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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* Test file for mpfr_set_exp.
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Copyright 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
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Contributed by the AriC and Caramel 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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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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int ret;
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mpfr_exp_t emin, emax;
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tests_start_mpfr ();
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emin = mpfr_get_emin ();
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emax = mpfr_get_emax ();
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mpfr_init (x);
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mpfr_set_ui (x, 1, MPFR_RNDN);
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ret = mpfr_set_exp (x, 2);
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MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui (x, 2) == 0);
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set_emin (-1);
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ret = mpfr_set_exp (x, -1);
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MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui_2exp (x, 1, -2) == 0);
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set_emax (1);
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ret = mpfr_set_exp (x, 1);
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MPFR_ASSERTN(ret == 0 && mpfr_cmp_ui (x, 1) == 0);
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ret = mpfr_set_exp (x, -2);
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MPFR_ASSERTN(ret != 0 && mpfr_cmp_ui (x, 1) == 0);
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ret = mpfr_set_exp (x, 2);
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MPFR_ASSERTN(ret != 0 && mpfr_cmp_ui (x, 1) == 0);
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mpfr_clear (x);
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set_emin (emin);
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set_emax (emax);
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tests_end_mpfr ();
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return 0;
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}
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