mirror of
https://sourceware.org/git/glibc.git
synced 2025-08-08 17:42:12 +03:00
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.
This commit is contained in:
Joseph Myers
211
math/libm-test-atan2pi.inc
Normal file
211
math/libm-test-atan2pi.inc
Normal file
@@ -0,0 +1,211 @@
|
||||
/* 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:
|
||||
*/
|
||||
Reference in New Issue
Block a user