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glibc/math/libm-test-atan2.inc
Paul Eggert 581c785bf3 Update copyright dates with scripts/update-copyrights 
I used these shell commands:

../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")

and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 7061 files FOO.

I then removed trailing white space from math/tgmath.h,
support/tst-support-open-dev-null-range.c, and
sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following
obscure pre-commit check failure diagnostics from Savannah.  I don't
know why I run into these diagnostics whereas others evidently do not.

remote: *** 912-#endif
remote: *** 913:
remote: *** 914-
remote: *** error: lines with trailing whitespace found
...
remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2022-01-01 11:40:24 -08:00

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/* Test atan2.
Copyright (C) 1997-2022 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 atan2_test_data[] =
{
/* atan2 (y,inf) == +0 for finite y > 0 or +0. */
TEST_ff_f (atan2, 1, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_zero, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_value, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_subnorm_value, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (atan2, max_value, plus_infty, 0, ERRNO_UNCHANGED),
/* atan2 (y,inf) == -0 for finite y < 0 or -0. */
TEST_ff_f (atan2, -1, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_zero, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_subnorm_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -max_value, plus_infty, minus_zero, ERRNO_UNCHANGED),
/* atan2(+inf, x) == pi/2 for finite x. */
TEST_ff_f (atan2, plus_infty, 1, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, plus_zero, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, min_value, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, min_subnorm_value, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, max_value, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, -1, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, minus_zero, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, -min_value, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, -min_subnorm_value, lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, -max_value, lit_pi_2_d, ERRNO_UNCHANGED),
/* atan2(-inf, x) == -pi/2 for finite x. */
TEST_ff_f (atan2, minus_infty, 1, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, plus_zero, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, min_value, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, min_subnorm_value, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, max_value, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, -1, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, minus_zero, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, -min_value, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, -min_subnorm_value, -lit_pi_2_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, -max_value, -lit_pi_2_d, ERRNO_UNCHANGED),
/* atan2 (y,-inf) == +pi for finite y > 0 or +0. */
TEST_ff_f (atan2, 1, minus_infty, lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_zero, minus_infty, lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_value, minus_infty, lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_subnorm_value, minus_infty, lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, max_value, minus_infty, lit_pi, ERRNO_UNCHANGED),
/* atan2 (y,-inf) == -pi for finite y < 0 or -0. */
TEST_ff_f (atan2, -1, minus_infty, -lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_zero, minus_infty, -lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_value, minus_infty, -lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_subnorm_value, minus_infty, -lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, -max_value, minus_infty, -lit_pi, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, plus_infty, lit_pi_4_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, plus_infty, -lit_pi_4_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, minus_infty, lit_pi_3_m_4_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, minus_infty, -lit_pi_3_m_4_d, ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, plus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, -min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, qnan_value, -max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, plus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, minus_zero, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, -min_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -qnan_value, -max_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, plus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, minus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, snan_value, -max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, plus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, minus_zero, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -min_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -snan_value, -max_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_zero, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_zero, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, 1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_subnorm_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_subnorm_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, max_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -max_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_zero, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, minus_zero, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, 1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, min_subnorm_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -min_subnorm_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, max_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, -max_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (atan2, plus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, minus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, plus_zero, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, minus_zero, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, 1, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -1, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, min_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -min_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, min_subnorm_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -min_subnorm_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, max_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -max_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, plus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, minus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, plus_zero, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, minus_zero, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, 1, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -1, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, min_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -min_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, min_subnorm_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -min_subnorm_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, max_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (atan2, -max_value, -snan_value, qnan_value, INVALID_EXCEPTION),
AUTO_TESTS_ff_f (atan2),
};
static void
atan2_test (void)
{
ALL_RM_TEST (atan2, 0, atan2_test_data, RUN_TEST_LOOP_ff_f, END);
}
static void
do_test (void)
{
atan2_test ();
}
/*
* Local Variables:
* mode:c
* End:
*/
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