glibc/math/libm-test-atan2pi.inc
Joseph Myers 3374de9038 Implement C23 atan2pi
C23 adds various <math.h> function families originally defined in TS
18661-4.  Add the atan2pi functions (atan2(y,x)/pi).

Tested for x86_64 and x86, and with build-many-glibcs.py.
2024-12-12 20:57:44 +00:00

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/* Test atan2pi.
Copyright (C) 2024 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
<https://www.gnu.org/licenses/>. */
#include "libm-test-driver.c"
static const struct test_ff_f_data atan2pi_test_data[] =
{
/* atan2pi (y,inf) == +0 for finite y > 0 or +0. */
TEST_ff_f (atan2pi, 1, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_zero, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_value, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_subnorm_value, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, max_value, plus_infty, 0, ERRNO_UNCHANGED),
/* atan2pi (y,inf) == -0 for finite y < 0 or -0. */
TEST_ff_f (atan2pi, -1, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_zero, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_subnorm_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -max_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
/* atan2pi(+inf, x) == 1/2 for finite x. */
TEST_ff_f (atan2pi, plus_infty, 1, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, plus_zero, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, min_value, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, min_subnorm_value, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, max_value, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, -1, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, minus_zero, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, -min_value, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, -min_subnorm_value, 0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, -max_value, 0.5, ERRNO_UNCHANGED),
/* atan2pi(-inf, x) == -1/2 for finite x. */
TEST_ff_f (atan2pi, minus_infty, 1, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, plus_zero, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, min_value, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, min_subnorm_value, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, max_value, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, -1, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, minus_zero, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, -min_value, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, -min_subnorm_value, -0.5, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, -max_value, -0.5, ERRNO_UNCHANGED),
/* atan2pi (y,-inf) == 1 for finite y > 0 or +0. */
TEST_ff_f (atan2pi, 1, minus_infty, 1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_zero, minus_infty, 1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_value, minus_infty, 1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_subnorm_value, minus_infty, 1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, max_value, minus_infty, 1.0, ERRNO_UNCHANGED),
/* atan2pi (y,-inf) == -1 for finite y < 0 or -0. */
TEST_ff_f (atan2pi, -1, minus_infty, -1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_zero, minus_infty, -1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_value, minus_infty, -1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_subnorm_value, minus_infty, -1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -max_value, minus_infty, -1.0, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, plus_infty, 0.25, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, plus_infty, -0.25, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, minus_infty, 0.75, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, minus_infty, -0.75, ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, plus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, -min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, qnan_value, -max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, plus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, -min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -qnan_value, -max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, plus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, minus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, snan_value, -max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, plus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, minus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -snan_value, -max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_zero, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_zero, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_subnorm_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_subnorm_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, max_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -max_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_zero, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, minus_zero, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, 1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, min_subnorm_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -min_subnorm_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, max_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, -max_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2pi, plus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, minus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, plus_zero, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, minus_zero, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, 1, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -1, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, min_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -min_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, min_subnorm_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -min_subnorm_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, max_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -max_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, plus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, minus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, plus_zero, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, minus_zero, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, 1, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -1, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, min_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -min_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, min_subnorm_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -min_subnorm_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, max_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2pi, -max_value, -snan_value, qnan_value, INVALID_EXCEPTION),
AUTO_TESTS_ff_f (atan2pi),
};
static void
atan2pi_test (void)
{
ALL_RM_TEST (atan2pi, 0, atan2pi_test_data, RUN_TEST_LOOP_ff_f, END);
}
static void
do_test (void)
{
atan2pi_test ();
}
/*
* Local Variables:
* mode:c
* End:
*/