112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
/* Test for the C++ implementation of iseqsig.
|
|
Copyright (C) 2017-2022 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/>. */
|
|
|
|
#define _GNU_SOURCE 1
|
|
#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);
|
|
}
|
|
}
|
|
|
|
#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
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|