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glibc/math/libm-test-pow.inc

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/* Test pow.
Copyright (C) 1997-2023 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 pow_test_data[] =
{
TEST_ff_f (pow, qnan_value, 0, 1, ERRNO_UNCHANGED|NO_TEST_MATHVEC),
TEST_ff_f (pow, -qnan_value, 0, 1, ERRNO_UNCHANGED|NO_TEST_MATHVEC),
TEST_ff_f (pow, qnan_value, minus_zero, 1, ERRNO_UNCHANGED|NO_TEST_MATHVEC),
TEST_ff_f (pow, -qnan_value, minus_zero, 1, ERRNO_UNCHANGED|NO_TEST_MATHVEC),
TEST_ff_f (pow, snan_value, 0, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, -snan_value, 0, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, snan_value, minus_zero, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, -snan_value, minus_zero, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, 1.1L, plus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, plus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1.1L, plus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, plus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, 0.9L, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1e-7L, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, -0.9L, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1e-7L, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1.1L, minus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, minus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1.1L, minus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, minus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, 0.9L, minus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1e-7L, minus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, -0.9L, minus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1e-7L, minus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, 1e-7L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, 1, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, 1e7L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, min_subnorm_value, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -1e-7L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -1, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -1e7L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -min_subnorm_value, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 1, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 11, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 1001, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 2, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 12, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 1002, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0.1L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 1.1L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 11.1L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 1001.1L, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, min_subnorm_value, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -1, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -11, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -1001, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -2, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -12, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -1002, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0.1L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -1.1L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -11.1L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -1001.1L, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -min_subnorm_value, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -qnan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -qnan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -qnan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, 0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, 0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, 0, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, 0, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, 1, qnan_value, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1, -qnan_value, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1, snan_value, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, 1, -snan_value, qnan_value, INVALID_EXCEPTION|NO_TEST_MATHVEC),
TEST_ff_f (pow, -1, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -1, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -1, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -1, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, 1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, 1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, -1, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, snan_value, -1, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -1, qnan_value, INVALID_EXCEPTION),
/* pow (x, qNaN or sNaN) == qNaN. */
TEST_ff_f (pow, 3.0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, 3.0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_zero, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_zero, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -3.0, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -3.0, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -qnan_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, 3.0, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, 3.0, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, minus_zero, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, minus_zero, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, plus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, plus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -3.0, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -3.0, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, minus_infty, snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, minus_infty, -snan_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, qnan_value, 3.0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, 3.0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, -3.0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, -3.0, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, plus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, minus_infty, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, 2.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, 2.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, -2.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, -2.5, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, -qnan_value, -min_subnorm_value, qnan_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_ff_f (pow, snan_value, 3.0, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, 3.0, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, -3.0, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -3.0, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, plus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, minus_infty, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, 2.5, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, 2.5, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, -2.5, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -2.5, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, -snan_value, -min_subnorm_value, qnan_value, INVALID_EXCEPTION),
TEST_ff_f (pow, 1, plus_infty, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1, plus_infty, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, 1, minus_infty, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, -1, minus_infty, 1, ERRNO_UNCHANGED),
/* pow (x, +-0) == 1. */
TEST_ff_f (pow, plus_infty, 0, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, minus_zero, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, minus_zero, 1, ERRNO_UNCHANGED),
TEST_ff_f (pow, -0.1L, 1.1L, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -0.1L, -1.1L, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -10.1L, 1.1L, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -10.1L, -1.1L, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -1.01L, min_subnorm_value, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -1.01L, -min_subnorm_value, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -1.0L, min_subnorm_value, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -1.0L, -min_subnorm_value, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, 0, -1, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -11, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -0xffffff, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
#if !TEST_COND_binary32
TEST_ff_f (pow, 0, -0x1.fffffffffffffp+52L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, 0, -0x1.fffffffffffffffep+63L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
# if MANT_DIG >= 106
TEST_ff_f (pow, 0, -0x1.ffffffffffffffffffffffffff8p+105L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, 0, -0x1.ffffffffffffffffffffffffffffp+112L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
# endif
#endif
TEST_ff_f (pow, minus_zero, -1, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -11L, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0xffffff, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1fffffe, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
#if !TEST_COND_binary32
TEST_ff_f (pow, minus_zero, -0x1.fffffffffffffp+52L, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1.fffffffffffffp+53L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, minus_zero, -0x1.fffffffffffffffep+63L, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1.fffffffffffffffep+64L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE|XFAIL_ROUNDING_IBM128_LIBGCC),
# if MANT_DIG >= 106
TEST_ff_f (pow, minus_zero, -0x1.ffffffffffffffffffffffffff8p+105L, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1.ffffffffffffffffffffffffff8p+106L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE|XFAIL_ROUNDING_IBM128_LIBGCC),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, minus_zero, -0x1.ffffffffffffffffffffffffffffp+112L, minus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1.ffffffffffffffffffffffffffffp+113L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
# endif
#endif
TEST_ff_f (pow, 0, -2, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -11.1L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -min_subnorm_value, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -0x1p24, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -0x1p127, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, -max_value, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -2, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -11.1L, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -min_subnorm_value, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1p24, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -0x1p127, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, minus_zero, -max_value, plus_infty, DIVIDE_BY_ZERO_EXCEPTION|ERRNO_ERANGE),
TEST_ff_f (pow, 0, plus_infty, 0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_zero, plus_infty, 0, ERRNO_UNCHANGED),
/* C99 erroneously specified a divide-by-zero exception here,
which is not permitted in C2x (C11 specified it as optional).
See <http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1515.pdf>
and
<http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2271.pdf>. */
TEST_ff_f (pow, 0, minus_infty, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_zero, minus_infty, plus_infty, ERRNO_UNCHANGED),
/* pow (x, +inf) == +inf for |x| > 1. */
TEST_ff_f (pow, 1.5, plus_infty, plus_infty, ERRNO_UNCHANGED),
/* pow (x, +inf) == +0 for |x| < 1. */
TEST_ff_f (pow, 0.5, plus_infty, 0.0, ERRNO_UNCHANGED),
/* pow (x, -inf) == +0 for |x| > 1. */
TEST_ff_f (pow, 1.5, minus_infty, 0.0, ERRNO_UNCHANGED),
/* pow (x, -inf) == +inf for |x| < 1. */
TEST_ff_f (pow, 0.5, minus_infty, plus_infty, ERRNO_UNCHANGED),
/* pow (+inf, y) == +inf for y > 0. */
TEST_ff_f (pow, plus_infty, 2, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, 0xffffff, plus_infty, ERRNO_UNCHANGED),
#if !TEST_COND_binary32
TEST_ff_f (pow, plus_infty, 0x1.fffffffffffffp+52L, plus_infty, ERRNO_UNCHANGED),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, plus_infty, 0x1.fffffffffffffffep+63L, plus_infty, ERRNO_UNCHANGED),
# if MANT_DIG >= 106
TEST_ff_f (pow, plus_infty, 0x1.ffffffffffffffffffffffffff8p+105L, plus_infty, ERRNO_UNCHANGED),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, plus_infty, 0x1.ffffffffffffffffffffffffffffp+112L, plus_infty, ERRNO_UNCHANGED),
# endif
#endif
TEST_ff_f (pow, plus_infty, 0x1p24, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, 0x1p127, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, max_value, plus_infty, ERRNO_UNCHANGED),
/* pow (+inf, y) == +0 for y < 0. */
TEST_ff_f (pow, plus_infty, -1, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -0xffffff, 0.0, ERRNO_UNCHANGED),
#if !TEST_COND_binary32
TEST_ff_f (pow, plus_infty, -0x1.fffffffffffffp+52L, 0.0, ERRNO_UNCHANGED),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, plus_infty, -0x1.fffffffffffffffep+63L, 0.0, ERRNO_UNCHANGED),
# if MANT_DIG >= 106
TEST_ff_f (pow, plus_infty, -0x1.ffffffffffffffffffffffffff8p+105L, 0.0, ERRNO_UNCHANGED),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, plus_infty, -0x1.ffffffffffffffffffffffffffffp+112L, 0.0, ERRNO_UNCHANGED),
# endif
#endif
TEST_ff_f (pow, plus_infty, -0x1p24, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -0x1p127, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, plus_infty, -max_value, 0.0, ERRNO_UNCHANGED),
/* pow (-inf, y) == -inf for y an odd integer > 0. */
TEST_ff_f (pow, minus_infty, 27, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0xffffff, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1fffffe, plus_infty, ERRNO_UNCHANGED),
#if !TEST_COND_binary32
TEST_ff_f (pow, minus_infty, 0x1.fffffffffffffp+52L, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1.fffffffffffffp+53L, plus_infty, ERRNO_UNCHANGED),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, minus_infty, 0x1.fffffffffffffffep+63L, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1.fffffffffffffffep+64L, plus_infty, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
# if MANT_DIG >= 106
TEST_ff_f (pow, minus_infty, 0x1.ffffffffffffffffffffffffff8p+105L, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1.ffffffffffffffffffffffffff8p+106L, plus_infty, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, minus_infty, 0x1.ffffffffffffffffffffffffffffp+112L, minus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1.ffffffffffffffffffffffffffffp+113L, plus_infty, ERRNO_UNCHANGED),
# endif
#endif
/* pow (-inf, y) == +inf for y > 0 and not an odd integer. */
TEST_ff_f (pow, minus_infty, 0.5, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 28, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1p24, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, 0x1p127, plus_infty, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, max_value, plus_infty, ERRNO_UNCHANGED),
/* pow (-inf, y) == -0 for y an odd integer < 0. */
TEST_ff_f (pow, minus_infty, -3, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0xffffff, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1fffffe, plus_zero, ERRNO_UNCHANGED),
#if !TEST_COND_binary32
TEST_ff_f (pow, minus_infty, -0x1.fffffffffffffp+52L, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1.fffffffffffffp+53L, plus_zero, ERRNO_UNCHANGED),
#endif
#if MANT_DIG >= 64
TEST_ff_f (pow, minus_infty, -0x1.fffffffffffffffep+63L, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1.fffffffffffffffep+64L, plus_zero, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
# if MANT_DIG >= 106
TEST_ff_f (pow, minus_infty, -0x1.ffffffffffffffffffffffffff8p+105L, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1.ffffffffffffffffffffffffff8p+106L, plus_zero, ERRNO_UNCHANGED|XFAIL_ROUNDING_IBM128_LIBGCC),
# endif
# if MANT_DIG >= 113
TEST_ff_f (pow, minus_infty, -0x1.ffffffffffffffffffffffffffffp+112L, minus_zero, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1.ffffffffffffffffffffffffffffp+113L, plus_zero, ERRNO_UNCHANGED),
# endif
#endif
/* pow (-inf, y) == +0 for y < 0 and not an odd integer. */
TEST_ff_f (pow, minus_infty, -2.0, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1p24, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -0x1p127, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, minus_infty, -max_value, 0.0, ERRNO_UNCHANGED),
TEST_ff_f (pow, -max_value, 0.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -max_value, 1.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -max_value, 1000.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -min_value, 0.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -min_value, 1.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
TEST_ff_f (pow, -min_value, 1000.5, qnan_value, INVALID_EXCEPTION|ERRNO_EDOM),
AUTO_TESTS_ff_f (pow),
};
static void
pow_test (void)
{
ALL_RM_TEST (pow, 0, pow_test_data, RUN_TEST_LOOP_ff_f, END);
}
static void
do_test (void)
{
pow_test ();
}
/*
* Local Variables:
* mode:c
* End:
*/
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