1 /* tatan -- test file for mpc_atan.
2
3 Copyright (C) 2009, 2012, 2013 INRIA
4
5 This file is part of GNU MPC.
6
7 GNU MPC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU Lesser General Public License as published by the
9 Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
11
12 GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15 more details.
16
17 You should have received a copy of the GNU Lesser General Public License
18 along with this program. If not, see http://www.gnu.org/licenses/ .
19 */
20
21 #include "mpc-tests.h"
22
23 #if 0
24 /* tests intermediate underflow; WONTFIX */
25 static int
26 test_underflow (void)
27 {
28 mpc_t z;
29 mpfr_exp_t emin = mpfr_get_emin ();
30
31 mpfr_set_emin (-10);
32 mpc_init2 (z, 21);
33 mpfr_set_si (mpc_realref(z), -1, MPFR_RNDZ);
34 mpfr_set_ui_2exp (mpc_imagref(z), 1, 20, MPFR_RNDZ);
35 mpfr_add_ui (mpc_imagref(z), mpc_imagref(z), 1, MPFR_RNDZ);
36 mpfr_div_2exp (mpc_imagref(z), mpc_imagref(z), 20, MPFR_RNDZ);
37 mpc_atan (z, z, MPC_RNDNN);
38 if (mpfr_cmp_si_2exp (mpc_realref(z), -1066635, 20) != 0 ||
39 mpfr_cmp_si_2exp (mpc_imagref(z), 1687619, 22))
40 {
41 printf ("Error in test_coverage\n");
42 printf ("expected (-1066635/2^20 1687619/2^22)\n");
43 printf ("got ");
44 mpc_out_str (stdout, 10, 20, z, MPC_RNDNN);
45 printf ("\n");
46 exit (1);
47 }
48 mpc_clear (z);
49 mpfr_set_emin (emin);
50 }
51 #endif
52
53 #define MPC_FUNCTION_CALL \
54 P[0].mpc_inex = mpc_atan (P[1].mpc, P[2].mpc, P[3].mpc_rnd)
55 #define MPC_FUNCTION_CALL_REUSE_OP1 \
56 P[0].mpc_inex = mpc_atan (P[1].mpc, P[1].mpc, P[3].mpc_rnd)
57
58 #include "data_check.tpl"
59 #include "tgeneric.tpl"
60
61 int
main(void)62 main (void)
63 {
64 test_start ();
65
66 data_check_template ("atan.dsc", "atan.dat");
67
68 tgeneric_template ("atan.dsc", 2, 512, 5, 128);
69
70 test_end ();
71
72 return 0;
73 }
74
75