glibc/math/test-math-iseqsig.cc

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/* Test for the C++ implementation of iseqsig.
Copyright (C) 2017-2024 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
Prefer https to http for gnu.org and fsf.org URLs Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-09-07 05:40:42 +00:00
<https://www.gnu.org/licenses/>. */
#define _GNU_SOURCE 1
#include <float.h>
#include <math.h>
#include <stdio.h>
#include <limits>
/* There is no NaN for _Float128 in std::numeric_limits.
Include ieee754_float128.h and use the bitfields in the union
ieee854_float128.ieee_nan to build a NaN. */
#if __HAVE_DISTINCT_FLOAT128
# include <ieee754_float128.h>
#endif
#include <support/check.h>
static void
check (int actual, int expected, const char *actual_expr, int line)
{
if (actual != expected)
{
support_record_failure ();
printf ("%s:%d: error: %s\n", __FILE__, line, actual_expr);
printf ("%s:%d: expected: %d\n", __FILE__, line, expected);
printf ("%s:%d: actual: %d\n", __FILE__, line, actual);
}
}
#define CHECK(actual, expected) \
check ((actual), (expected), #actual, __LINE__)
template <class T1, class T2>
static void
check_type ()
{
T1 t1 = 0;
T2 t2 = 0;
CHECK (iseqsig (t1, t2), 1);
t2 = 1;
CHECK (iseqsig (t1, t2), 0);
if (std::numeric_limits<T1>::has_quiet_NaN
&& std::numeric_limits<T2>::has_quiet_NaN)
{
CHECK (iseqsig (std::numeric_limits<T1>::quiet_NaN (), t2), 0);
CHECK (iseqsig (t1, std::numeric_limits<T2>::quiet_NaN ()), 0);
CHECK (iseqsig (std::numeric_limits<T1>::quiet_NaN (),
std::numeric_limits<T2>::quiet_NaN ()), 0);
}
}
/* Run minimal tests of iseqsig for a pair of types, without relying
on C++ library support or knowledge of the representation. */
template <class T1, class T2>
static void
check_type_minimal ()
{
T1 t1 = 0;
T2 t2 = 0;
CHECK (iseqsig (t1, t2), 1);
t2 = 1;
CHECK (iseqsig (t1, t2), 0);
}
#if __HAVE_DISTINCT_FLOAT128
static void
check_float128 ()
{
ieee854_float128 q1, q2, q3_nan;
q1.d = 0;
q2.d = 1;
q3_nan.ieee_nan.negative = 0;
q3_nan.ieee_nan.exponent = 0x7FFF;
q3_nan.ieee_nan.quiet_nan = 1;
q3_nan.ieee_nan.mantissa0 = 0x0000;
q3_nan.ieee_nan.mantissa1 = 0x00000000;
q3_nan.ieee_nan.mantissa2 = 0x00000000;
q3_nan.ieee_nan.mantissa3 = 0x00000000;
CHECK (iseqsig (q1.d, q1.d), 1);
CHECK (iseqsig (q1.d, q2.d), 0);
CHECK (iseqsig (q1.d, q3_nan.d), 0);
CHECK (iseqsig (q3_nan.d, q3_nan.d), 0);
}
#endif
static int
do_test (void)
{
check_type<float, float> ();
check_type<float, double> ();
check_type<float, long double> ();
check_type<double, float> ();
check_type<double, double> ();
check_type<double, long double> ();
check_type<long double, float> ();
check_type<long double, double> ();
check_type<long double, long double> ();
#if __HAVE_DISTINCT_FLOAT128
check_float128 ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<float, _Float16> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<float, _Float32> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<float, _Float64> ();
#endif
#if __HAVE_FLOAT128
check_type_minimal<float, _Float128> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<float, _Float32x> ();
#endif
#if __HAVE_FLOAT64X
check_type_minimal<float, _Float64x> ();
#endif
#if __HAVE_FLOAT128X
check_type_minimal<float, _Float128x> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<double, _Float16> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<double, _Float32> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<double, _Float64> ();
#endif
#if __HAVE_FLOAT128
check_type_minimal<double, _Float128> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<double, _Float32x> ();
#endif
#if __HAVE_FLOAT64X
check_type_minimal<double, _Float64x> ();
#endif
#if __HAVE_FLOAT128X
check_type_minimal<double, _Float128x> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<long double, _Float16> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<long double, _Float32> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<long double, _Float64> ();
#endif
#if __HAVE_FLOAT128 && LDBL_MANT_DIG != 106
check_type_minimal<long double, _Float128> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<long double, _Float32x> ();
#endif
#if __HAVE_FLOAT64X && LDBL_MANT_DIG != 106
check_type_minimal<long double, _Float64x> ();
#endif
#if __HAVE_FLOAT128X && LDBL_MANT_DIG != 106
check_type_minimal<long double, _Float128x> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<_Float16, float> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<_Float16, double> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<_Float16, long double> ();
#endif
#if __HAVE_FLOAT16
check_type_minimal<_Float16, _Float16> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT32
check_type_minimal<_Float16, _Float32> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT64
check_type_minimal<_Float16, _Float64> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT128
check_type_minimal<_Float16, _Float128> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT32X
check_type_minimal<_Float16, _Float32x> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT64X
check_type_minimal<_Float16, _Float64x> ();
#endif
#if __HAVE_FLOAT16 && __HAVE_FLOAT128X
check_type_minimal<_Float16, _Float128x> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<_Float32, float> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<_Float32, double> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<_Float32, long double> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT16
check_type_minimal<_Float32, _Float16> ();
#endif
#if __HAVE_FLOAT32
check_type_minimal<_Float32, _Float32> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT64
check_type_minimal<_Float32, _Float64> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT128
check_type_minimal<_Float32, _Float128> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT32X
check_type_minimal<_Float32, _Float32x> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT64X
check_type_minimal<_Float32, _Float64x> ();
#endif
#if __HAVE_FLOAT32 && __HAVE_FLOAT128X
check_type_minimal<_Float32, _Float128x> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<_Float64, float> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<_Float64, double> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<_Float64, long double> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT16
check_type_minimal<_Float64, _Float16> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT32
check_type_minimal<_Float64, _Float32> ();
#endif
#if __HAVE_FLOAT64
check_type_minimal<_Float64, _Float64> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT128
check_type_minimal<_Float64, _Float128> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT32X
check_type_minimal<_Float64, _Float32x> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT64X
check_type_minimal<_Float64, _Float64x> ();
#endif
#if __HAVE_FLOAT64 && __HAVE_FLOAT128X
check_type_minimal<_Float64, _Float128x> ();
#endif
#if __HAVE_FLOAT128
check_type_minimal<_Float128, float> ();
#endif
#if __HAVE_FLOAT128
check_type_minimal<_Float128, double> ();
#endif
#if __HAVE_FLOAT128 && LDBL_MANT_DIG != 106
check_type_minimal<_Float128, long double> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT16
check_type_minimal<_Float128, _Float16> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT32
check_type_minimal<_Float128, _Float32> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT64
check_type_minimal<_Float128, _Float64> ();
#endif
#if __HAVE_FLOAT128
check_type_minimal<_Float128, _Float128> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT32X
check_type_minimal<_Float128, _Float32x> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT64X
check_type_minimal<_Float128, _Float64x> ();
#endif
#if __HAVE_FLOAT128 && __HAVE_FLOAT128X
check_type_minimal<_Float128, _Float128x> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<_Float32x, float> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<_Float32x, double> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<_Float32x, long double> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT16
check_type_minimal<_Float32x, _Float16> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT32
check_type_minimal<_Float32x, _Float32> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT64
check_type_minimal<_Float32x, _Float64> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT128
check_type_minimal<_Float32x, _Float128> ();
#endif
#if __HAVE_FLOAT32X
check_type_minimal<_Float32x, _Float32x> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT64X
check_type_minimal<_Float32x, _Float64x> ();
#endif
#if __HAVE_FLOAT32X && __HAVE_FLOAT128X
check_type_minimal<_Float32x, _Float128x> ();
#endif
#if __HAVE_FLOAT64X
check_type_minimal<_Float64x, float> ();
#endif
#if __HAVE_FLOAT64X
check_type_minimal<_Float64x, double> ();
#endif
#if __HAVE_FLOAT64X && LDBL_MANT_DIG != 106
check_type_minimal<_Float64x, long double> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT16
check_type_minimal<_Float64x, _Float16> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT32
check_type_minimal<_Float64x, _Float32> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT64
check_type_minimal<_Float64x, _Float64> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT128
check_type_minimal<_Float64x, _Float128> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT32X
check_type_minimal<_Float64x, _Float32x> ();
#endif
#if __HAVE_FLOAT64X
check_type_minimal<_Float64x, _Float64x> ();
#endif
#if __HAVE_FLOAT64X && __HAVE_FLOAT128X
check_type_minimal<_Float64x, _Float128x> ();
#endif
#if __HAVE_FLOAT128X
check_type_minimal<_Float128x, float> ();
#endif
#if __HAVE_FLOAT128X
check_type_minimal<_Float128x, double> ();
#endif
#if __HAVE_FLOAT128X && LDBL_MANT_DIG != 106
check_type_minimal<_Float128x, long double> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT16
check_type_minimal<_Float128x, _Float16> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT32
check_type_minimal<_Float128x, _Float32> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT64
check_type_minimal<_Float128x, _Float64> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT128
check_type_minimal<_Float128x, _Float128> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT32X
check_type_minimal<_Float128x, _Float32x> ();
#endif
#if __HAVE_FLOAT128X && __HAVE_FLOAT64X
check_type_minimal<_Float128x, _Float64x> ();
#endif
#if __HAVE_FLOAT128X
check_type_minimal<_Float128x, _Float128x> ();
#endif
return 0;
}
#include <support/test-driver.c>