402 lines
11 KiB
C++
402 lines
11 KiB
C++
/* Test for the C++ implementation of iseqsig.
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Copyright (C) 2017-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define _GNU_SOURCE 1
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#include <float.h>
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#include <math.h>
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#include <stdio.h>
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#include <limits>
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/* There is no NaN for _Float128 in std::numeric_limits.
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Include ieee754_float128.h and use the bitfields in the union
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ieee854_float128.ieee_nan to build a NaN. */
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#if __HAVE_DISTINCT_FLOAT128
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# include <ieee754_float128.h>
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#endif
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#include <support/check.h>
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static void
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check (int actual, int expected, const char *actual_expr, int line)
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{
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if (actual != expected)
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{
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support_record_failure ();
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printf ("%s:%d: error: %s\n", __FILE__, line, actual_expr);
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printf ("%s:%d: expected: %d\n", __FILE__, line, expected);
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printf ("%s:%d: actual: %d\n", __FILE__, line, actual);
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}
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}
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#define CHECK(actual, expected) \
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check ((actual), (expected), #actual, __LINE__)
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template <class T1, class T2>
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static void
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check_type ()
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{
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T1 t1 = 0;
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T2 t2 = 0;
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CHECK (iseqsig (t1, t2), 1);
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t2 = 1;
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CHECK (iseqsig (t1, t2), 0);
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if (std::numeric_limits<T1>::has_quiet_NaN
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&& std::numeric_limits<T2>::has_quiet_NaN)
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{
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CHECK (iseqsig (std::numeric_limits<T1>::quiet_NaN (), t2), 0);
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CHECK (iseqsig (t1, std::numeric_limits<T2>::quiet_NaN ()), 0);
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CHECK (iseqsig (std::numeric_limits<T1>::quiet_NaN (),
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std::numeric_limits<T2>::quiet_NaN ()), 0);
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}
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}
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/* Run minimal tests of iseqsig for a pair of types, without relying
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on C++ library support or knowledge of the representation. */
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template <class T1, class T2>
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static void
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check_type_minimal ()
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{
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T1 t1 = 0;
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T2 t2 = 0;
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CHECK (iseqsig (t1, t2), 1);
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t2 = 1;
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CHECK (iseqsig (t1, t2), 0);
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}
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#if __HAVE_DISTINCT_FLOAT128
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static void
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check_float128 ()
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{
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ieee854_float128 q1, q2, q3_nan;
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q1.d = 0;
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q2.d = 1;
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q3_nan.ieee_nan.negative = 0;
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q3_nan.ieee_nan.exponent = 0x7FFF;
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q3_nan.ieee_nan.quiet_nan = 1;
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q3_nan.ieee_nan.mantissa0 = 0x0000;
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q3_nan.ieee_nan.mantissa1 = 0x00000000;
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q3_nan.ieee_nan.mantissa2 = 0x00000000;
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q3_nan.ieee_nan.mantissa3 = 0x00000000;
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CHECK (iseqsig (q1.d, q1.d), 1);
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CHECK (iseqsig (q1.d, q2.d), 0);
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CHECK (iseqsig (q1.d, q3_nan.d), 0);
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CHECK (iseqsig (q3_nan.d, q3_nan.d), 0);
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}
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#endif
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static int
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do_test (void)
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{
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check_type<float, float> ();
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check_type<float, double> ();
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check_type<float, long double> ();
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check_type<double, float> ();
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check_type<double, double> ();
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check_type<double, long double> ();
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check_type<long double, float> ();
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check_type<long double, double> ();
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check_type<long double, long double> ();
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#if __HAVE_DISTINCT_FLOAT128
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check_float128 ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<float, _Float16> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<float, _Float32> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<float, _Float64> ();
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#endif
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#if __HAVE_FLOAT128
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check_type_minimal<float, _Float128> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<float, _Float32x> ();
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#endif
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#if __HAVE_FLOAT64X
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check_type_minimal<float, _Float64x> ();
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#endif
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#if __HAVE_FLOAT128X
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check_type_minimal<float, _Float128x> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<double, _Float16> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<double, _Float32> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<double, _Float64> ();
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#endif
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#if __HAVE_FLOAT128
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check_type_minimal<double, _Float128> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<double, _Float32x> ();
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#endif
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#if __HAVE_FLOAT64X
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check_type_minimal<double, _Float64x> ();
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#endif
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#if __HAVE_FLOAT128X
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check_type_minimal<double, _Float128x> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<long double, _Float16> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<long double, _Float32> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<long double, _Float64> ();
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#endif
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#if __HAVE_FLOAT128 && LDBL_MANT_DIG != 106
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check_type_minimal<long double, _Float128> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<long double, _Float32x> ();
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#endif
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#if __HAVE_FLOAT64X && LDBL_MANT_DIG != 106
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check_type_minimal<long double, _Float64x> ();
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#endif
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#if __HAVE_FLOAT128X && LDBL_MANT_DIG != 106
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check_type_minimal<long double, _Float128x> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<_Float16, float> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<_Float16, double> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<_Float16, long double> ();
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#endif
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#if __HAVE_FLOAT16
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check_type_minimal<_Float16, _Float16> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT32
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check_type_minimal<_Float16, _Float32> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT64
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check_type_minimal<_Float16, _Float64> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT128
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check_type_minimal<_Float16, _Float128> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT32X
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check_type_minimal<_Float16, _Float32x> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT64X
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check_type_minimal<_Float16, _Float64x> ();
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#endif
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#if __HAVE_FLOAT16 && __HAVE_FLOAT128X
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check_type_minimal<_Float16, _Float128x> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<_Float32, float> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<_Float32, double> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<_Float32, long double> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT16
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check_type_minimal<_Float32, _Float16> ();
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#endif
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#if __HAVE_FLOAT32
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check_type_minimal<_Float32, _Float32> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT64
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check_type_minimal<_Float32, _Float64> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT128
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check_type_minimal<_Float32, _Float128> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT32X
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check_type_minimal<_Float32, _Float32x> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT64X
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check_type_minimal<_Float32, _Float64x> ();
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#endif
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#if __HAVE_FLOAT32 && __HAVE_FLOAT128X
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check_type_minimal<_Float32, _Float128x> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<_Float64, float> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<_Float64, double> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<_Float64, long double> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT16
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check_type_minimal<_Float64, _Float16> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT32
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check_type_minimal<_Float64, _Float32> ();
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#endif
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#if __HAVE_FLOAT64
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check_type_minimal<_Float64, _Float64> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT128
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check_type_minimal<_Float64, _Float128> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT32X
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check_type_minimal<_Float64, _Float32x> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT64X
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check_type_minimal<_Float64, _Float64x> ();
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#endif
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#if __HAVE_FLOAT64 && __HAVE_FLOAT128X
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check_type_minimal<_Float64, _Float128x> ();
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#endif
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#if __HAVE_FLOAT128
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check_type_minimal<_Float128, float> ();
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#endif
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#if __HAVE_FLOAT128
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check_type_minimal<_Float128, double> ();
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#endif
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#if __HAVE_FLOAT128 && LDBL_MANT_DIG != 106
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check_type_minimal<_Float128, long double> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT16
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check_type_minimal<_Float128, _Float16> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT32
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check_type_minimal<_Float128, _Float32> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT64
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check_type_minimal<_Float128, _Float64> ();
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#endif
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#if __HAVE_FLOAT128
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check_type_minimal<_Float128, _Float128> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT32X
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check_type_minimal<_Float128, _Float32x> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT64X
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check_type_minimal<_Float128, _Float64x> ();
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#endif
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#if __HAVE_FLOAT128 && __HAVE_FLOAT128X
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check_type_minimal<_Float128, _Float128x> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<_Float32x, float> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<_Float32x, double> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<_Float32x, long double> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT16
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check_type_minimal<_Float32x, _Float16> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT32
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check_type_minimal<_Float32x, _Float32> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT64
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check_type_minimal<_Float32x, _Float64> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT128
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check_type_minimal<_Float32x, _Float128> ();
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#endif
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#if __HAVE_FLOAT32X
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check_type_minimal<_Float32x, _Float32x> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT64X
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check_type_minimal<_Float32x, _Float64x> ();
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#endif
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#if __HAVE_FLOAT32X && __HAVE_FLOAT128X
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check_type_minimal<_Float32x, _Float128x> ();
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#endif
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#if __HAVE_FLOAT64X
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check_type_minimal<_Float64x, float> ();
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#endif
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#if __HAVE_FLOAT64X
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check_type_minimal<_Float64x, double> ();
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#endif
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#if __HAVE_FLOAT64X && LDBL_MANT_DIG != 106
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check_type_minimal<_Float64x, long double> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT16
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check_type_minimal<_Float64x, _Float16> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT32
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check_type_minimal<_Float64x, _Float32> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT64
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check_type_minimal<_Float64x, _Float64> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT128
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check_type_minimal<_Float64x, _Float128> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT32X
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check_type_minimal<_Float64x, _Float32x> ();
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#endif
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#if __HAVE_FLOAT64X
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check_type_minimal<_Float64x, _Float64x> ();
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#endif
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#if __HAVE_FLOAT64X && __HAVE_FLOAT128X
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check_type_minimal<_Float64x, _Float128x> ();
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#endif
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#if __HAVE_FLOAT128X
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check_type_minimal<_Float128x, float> ();
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#endif
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#if __HAVE_FLOAT128X
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check_type_minimal<_Float128x, double> ();
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#endif
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#if __HAVE_FLOAT128X && LDBL_MANT_DIG != 106
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check_type_minimal<_Float128x, long double> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT16
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check_type_minimal<_Float128x, _Float16> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT32
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check_type_minimal<_Float128x, _Float32> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT64
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check_type_minimal<_Float128x, _Float64> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT128
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check_type_minimal<_Float128x, _Float128> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT32X
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check_type_minimal<_Float128x, _Float32x> ();
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#endif
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#if __HAVE_FLOAT128X && __HAVE_FLOAT64X
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check_type_minimal<_Float128x, _Float64x> ();
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#endif
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#if __HAVE_FLOAT128X
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check_type_minimal<_Float128x, _Float128x> ();
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#endif
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return 0;
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}
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#include <support/test-driver.c>
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