| /* Test carg. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C 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 C 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 C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "libm-test-driver.c" |
| |
| static const struct test_c_f_data carg_test_data[] = |
| { |
| /* carg (x + iy) is specified as atan2 (y, x) */ |
| |
| /* carg (inf + i y) == +0 for finite y > 0. */ |
| TEST_c_f (carg, plus_infty, 2.0, 0), |
| |
| /* carg (inf + i y) == -0 for finite y < 0. */ |
| TEST_c_f (carg, plus_infty, -2.0, minus_zero), |
| |
| /* carg(x + i inf) == pi/2 for finite x. */ |
| TEST_c_f (carg, 10.0, plus_infty, lit_pi_2_d), |
| |
| /* carg(x - i inf) == -pi/2 for finite x. */ |
| TEST_c_f (carg, 10.0, minus_infty, -lit_pi_2_d), |
| |
| /* carg (-inf + i y) == +pi for finite y > 0. */ |
| TEST_c_f (carg, minus_infty, 10.0, lit_pi), |
| |
| /* carg (-inf + i y) == -pi for finite y < 0. */ |
| TEST_c_f (carg, minus_infty, -10.0, -lit_pi), |
| |
| TEST_c_f (carg, plus_infty, plus_infty, lit_pi_4_d), |
| |
| TEST_c_f (carg, plus_infty, minus_infty, -lit_pi_4_d), |
| |
| TEST_c_f (carg, minus_infty, plus_infty, lit_pi_3_m_4_d), |
| |
| TEST_c_f (carg, minus_infty, minus_infty, -lit_pi_3_m_4_d), |
| |
| TEST_c_f (carg, qnan_value, qnan_value, qnan_value), |
| |
| AUTO_TESTS_c_f (carg), |
| }; |
| |
| static void |
| carg_test (void) |
| { |
| ALL_RM_TEST (carg, 0, carg_test_data, RUN_TEST_LOOP_c_f, END); |
| } |
| |
| static void |
| do_test (void) |
| { |
| carg_test (); |
| } |
| |
| /* |
| * Local Variables: |
| * mode:c |
| * End: |
| */ |