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69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* tatan -- test file for mpc_atan.
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Copyright (C) 2009, 2012 INRIA
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This file is part of GNU MPC.
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GNU MPC is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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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 this program. If not, see http://www.gnu.org/licenses/ .
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*/
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#include "mpc-tests.h"
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#if 0
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/* tests intermediate underflow; WONTFIX */
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static int
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test_underflow (void)
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{
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mpc_t z;
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mpfr_exp_t emin = mpfr_get_emin ();
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mpfr_set_emin (-10);
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mpc_init2 (z, 21);
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mpfr_set_si (mpc_realref(z), -1, GMP_RNDZ);
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mpfr_set_ui_2exp (mpc_imagref(z), 1, 20, GMP_RNDZ);
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mpfr_add_ui (mpc_imagref(z), mpc_imagref(z), 1, GMP_RNDZ);
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mpfr_div_2exp (mpc_imagref(z), mpc_imagref(z), 20, GMP_RNDZ);
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mpc_atan (z, z, MPC_RNDNN);
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if (mpfr_cmp_si_2exp (mpc_realref(z), -1066635, 20) != 0 ||
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mpfr_cmp_si_2exp (mpc_imagref(z), 1687619, 22))
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{
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printf ("Error in test_coverage\n");
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printf ("expected (-1066635/2^20 1687619/2^22)\n");
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printf ("got ");
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mpc_out_str (stdout, 10, 20, z, MPC_RNDNN);
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printf ("\n");
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exit (1);
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}
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mpc_clear (z);
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mpfr_set_emin (emin);
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}
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#endif
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int
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main (void)
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{
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DECL_FUNC (CC, f, mpc_atan);
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test_start ();
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data_check (f, "atan.dat");
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tgeneric (f, 2, 512, 5, 128);
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test_end ();
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return 0;
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}
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