Jonathan Wakely
aa087355c7
libstdc++-v3/ChangeLog: * testsuite/20_util/duration/cons/2.cc: Use values that aren't affected by rounding. * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to double before comparing for equality. * testsuite/20_util/from_chars/6.cc: Likewise. * testsuite/20_util/variant/86874.cc: Use values that aren't affected by rounding. * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to original value instead of to floating-point-literal. * testsuite/26_numerics/random/discrete_distribution/cons/range.cc: Cast arithmetic result to double before comparing for equality. * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc: Likewise. * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc: Likewise. * testsuite/26_numerics/valarray/transcend.cc (eq): Check that the absolute difference is less than 0.01 instead of comparing to two decimal places. * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc: Cast arithmetic result to double before comparing for equality. * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc: Likewise. * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise. (cherry picked from commit ae12aced97b41c7498ffc5b4dd314878289547ab)
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
// Copyright (C) 2018-2023 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This 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
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-do run }
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#include <valarray>
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#include <testsuite_hooks.h>
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bool eq(double d, double e)
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{
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return std::abs(d - e) < 0.01;
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}
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void
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test01()
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{
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std::valarray<double> v(2);
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v[0] = -0.5;
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v[1] = 0.25;
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std::valarray<double> v_abs = abs(v);
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VERIFY( v_abs[0] == 0.5 );
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VERIFY( v_abs[1] == 0.25 );
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std::valarray<double> v_acos = acos(v);
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VERIFY( eq( v_acos[0], 2.09 ) );
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VERIFY( eq( v_acos[1], 1.31 ) );
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std::valarray<double> v_asin = asin(v);
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VERIFY( eq( v_asin[0], -0.52 ) );
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VERIFY( eq( v_asin[1], 0.25 ) );
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std::valarray<double> v_atan = atan(v);
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VERIFY( eq( v_atan[0], -0.46 ) );
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VERIFY( eq( v_atan[1], 0.24 ) );
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std::valarray<double> v2(2);
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v2[0] = 4;
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v2[1] = 3;
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std::valarray<double> v_atan2 = atan2(v, v2);
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VERIFY( eq( v_atan2[0], -0.12 ) );
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VERIFY( eq( v_atan2[1], 0.08 ) );
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v_atan2 = atan2(v, 4); // LWG 3074 allows mixed types
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VERIFY( eq( v_atan2[0], -0.12 ) );
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VERIFY( eq( v_atan2[1], 0.06 ) );
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v_atan2 = atan2(4, v); // LWG 3074 allows mixed types
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VERIFY( eq( v_atan2[0], 1.69 ) );
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VERIFY( eq( v_atan2[1], 1.50 ) );
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std::valarray<double> v_cos = cos(v);
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VERIFY( eq( v_cos[0], 0.87 ) );
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VERIFY( eq( v_cos[1], 0.96 ) );
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std::valarray<double> v_cosh = cosh(v);
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VERIFY( eq( v_cosh[0], 1.12 ) );
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VERIFY( eq( v_cosh[1], 1.03 ) );
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std::valarray<double> v_exp = exp(v);
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VERIFY( eq( v_exp[0], 0.60 ) );
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VERIFY( eq( v_exp[1], 1.28 ) );
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std::valarray<double> v_log = log(v);
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VERIFY( eq( v_log[1], -1.38 ) );
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std::valarray<double> v_log10 = log10(v);
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VERIFY( eq( v_log10[1], -0.60 ) );
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std::valarray<double> v_pow = pow(v, v2);
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VERIFY( eq( v_pow[0], 0.06 ) );
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VERIFY( eq( v_pow[1], 0.01 ) );
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v_pow = pow(v, 3); // LWG 3074 allows mixed types
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VERIFY( eq( v_pow[0], -0.12 ) );
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VERIFY( eq( v_pow[1], 0.01 ) );
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v_pow = pow(4, v); // LWG 3074 allows mixed types
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VERIFY( eq( v_pow[0], 0.5 ) );
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VERIFY( eq( v_pow[1], 1.41 ) );
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}
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int
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main()
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{
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test01();
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}
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