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230 lines
6.6 KiB
C++
230 lines
6.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <complex>
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// test cases
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#ifndef CASES_H
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#define CASES_H
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#include <complex>
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#include <cassert>
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const std::complex<double> testcases[] =
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{
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std::complex<double>( 1.e-6, 1.e-6),
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std::complex<double>(-1.e-6, 1.e-6),
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std::complex<double>(-1.e-6, -1.e-6),
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std::complex<double>( 1.e-6, -1.e-6),
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std::complex<double>( 1.e+6, 1.e-6),
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std::complex<double>(-1.e+6, 1.e-6),
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std::complex<double>(-1.e+6, -1.e-6),
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std::complex<double>( 1.e+6, -1.e-6),
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std::complex<double>( 1.e-6, 1.e+6),
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std::complex<double>(-1.e-6, 1.e+6),
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std::complex<double>(-1.e-6, -1.e+6),
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std::complex<double>( 1.e-6, -1.e+6),
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std::complex<double>( 1.e+6, 1.e+6),
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std::complex<double>(-1.e+6, 1.e+6),
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std::complex<double>(-1.e+6, -1.e+6),
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std::complex<double>( 1.e+6, -1.e+6),
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std::complex<double>(NAN, NAN),
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std::complex<double>(-INFINITY, NAN),
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std::complex<double>(-2, NAN),
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std::complex<double>(-1, NAN),
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std::complex<double>(-0.5, NAN),
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std::complex<double>(-0., NAN),
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std::complex<double>(+0., NAN),
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std::complex<double>(0.5, NAN),
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std::complex<double>(1, NAN),
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std::complex<double>(2, NAN),
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std::complex<double>(INFINITY, NAN),
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std::complex<double>(NAN, -INFINITY),
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std::complex<double>(-INFINITY, -INFINITY),
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std::complex<double>(-2, -INFINITY),
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std::complex<double>(-1, -INFINITY),
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std::complex<double>(-0.5, -INFINITY),
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std::complex<double>(-0., -INFINITY),
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std::complex<double>(+0., -INFINITY),
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std::complex<double>(0.5, -INFINITY),
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std::complex<double>(1, -INFINITY),
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std::complex<double>(2, -INFINITY),
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std::complex<double>(INFINITY, -INFINITY),
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std::complex<double>(NAN, -2),
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std::complex<double>(-INFINITY, -2),
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std::complex<double>(-2, -2),
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std::complex<double>(-1, -2),
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std::complex<double>(-0.5, -2),
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std::complex<double>(-0., -2),
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std::complex<double>(+0., -2),
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std::complex<double>(0.5, -2),
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std::complex<double>(1, -2),
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std::complex<double>(2, -2),
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std::complex<double>(INFINITY, -2),
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std::complex<double>(NAN, -1),
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std::complex<double>(-INFINITY, -1),
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std::complex<double>(-2, -1),
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std::complex<double>(-1, -1),
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std::complex<double>(-0.5, -1),
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std::complex<double>(-0., -1),
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std::complex<double>(+0., -1),
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std::complex<double>(0.5, -1),
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std::complex<double>(1, -1),
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std::complex<double>(2, -1),
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std::complex<double>(INFINITY, -1),
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std::complex<double>(NAN, -0.5),
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std::complex<double>(-INFINITY, -0.5),
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std::complex<double>(-2, -0.5),
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std::complex<double>(-1, -0.5),
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std::complex<double>(-0.5, -0.5),
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std::complex<double>(-0., -0.5),
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std::complex<double>(+0., -0.5),
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std::complex<double>(0.5, -0.5),
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std::complex<double>(1, -0.5),
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std::complex<double>(2, -0.5),
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std::complex<double>(INFINITY, -0.5),
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std::complex<double>(NAN, -0.),
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std::complex<double>(-INFINITY, -0.),
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std::complex<double>(-2, -0.),
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std::complex<double>(-1, -0.),
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std::complex<double>(-0.5, -0.),
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std::complex<double>(-0., -0.),
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std::complex<double>(+0., -0.),
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std::complex<double>(0.5, -0.),
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std::complex<double>(1, -0.),
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std::complex<double>(2, -0.),
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std::complex<double>(INFINITY, -0.),
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std::complex<double>(NAN, +0.),
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std::complex<double>(-INFINITY, +0.),
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std::complex<double>(-2, +0.),
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std::complex<double>(-1, +0.),
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std::complex<double>(-0.5, +0.),
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std::complex<double>(-0., +0.),
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std::complex<double>(+0., +0.),
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std::complex<double>(0.5, +0.),
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std::complex<double>(1, +0.),
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std::complex<double>(2, +0.),
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std::complex<double>(INFINITY, +0.),
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std::complex<double>(NAN, 0.5),
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std::complex<double>(-INFINITY, 0.5),
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std::complex<double>(-2, 0.5),
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std::complex<double>(-1, 0.5),
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std::complex<double>(-0.5, 0.5),
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std::complex<double>(-0., 0.5),
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std::complex<double>(+0., 0.5),
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std::complex<double>(0.5, 0.5),
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std::complex<double>(1, 0.5),
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std::complex<double>(2, 0.5),
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std::complex<double>(INFINITY, 0.5),
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std::complex<double>(NAN, 1),
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std::complex<double>(-INFINITY, 1),
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std::complex<double>(-2, 1),
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std::complex<double>(-1, 1),
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std::complex<double>(-0.5, 1),
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std::complex<double>(-0., 1),
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std::complex<double>(+0., 1),
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std::complex<double>(0.5, 1),
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std::complex<double>(1, 1),
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std::complex<double>(2, 1),
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std::complex<double>(INFINITY, 1),
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std::complex<double>(NAN, 2),
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std::complex<double>(-INFINITY, 2),
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std::complex<double>(-2, 2),
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std::complex<double>(-1, 2),
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std::complex<double>(-0.5, 2),
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std::complex<double>(-0., 2),
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std::complex<double>(+0., 2),
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std::complex<double>(0.5, 2),
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std::complex<double>(1, 2),
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std::complex<double>(2, 2),
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std::complex<double>(INFINITY, 2),
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std::complex<double>(NAN, INFINITY),
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std::complex<double>(-INFINITY, INFINITY),
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std::complex<double>(-2, INFINITY),
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std::complex<double>(-1, INFINITY),
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std::complex<double>(-0.5, INFINITY),
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std::complex<double>(-0., INFINITY),
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std::complex<double>(+0., INFINITY),
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std::complex<double>(0.5, INFINITY),
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std::complex<double>(1, INFINITY),
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std::complex<double>(2, INFINITY),
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std::complex<double>(INFINITY, INFINITY)
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};
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enum {zero, non_zero, inf, NaN, non_zero_nan};
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template <class T>
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int
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classify(const std::complex<T>& x)
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{
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if (x == std::complex<T>())
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return zero;
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if (std::isinf(x.real()) || std::isinf(x.imag()))
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return inf;
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if (std::isnan(x.real()) && std::isnan(x.imag()))
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return NaN;
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if (std::isnan(x.real()))
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{
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if (x.imag() == T(0))
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return NaN;
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return non_zero_nan;
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}
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if (std::isnan(x.imag()))
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{
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if (x.real() == T(0))
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return NaN;
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return non_zero_nan;
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}
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return non_zero;
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}
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inline
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int
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classify(double x)
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{
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if (x == 0)
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return zero;
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if (std::isinf(x))
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return inf;
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if (std::isnan(x))
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return NaN;
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return non_zero;
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}
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void is_about(float x, float y)
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{
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assert(std::abs((x-y)/(x+y)) < 1.e-6);
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}
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void is_about(double x, double y)
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{
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assert(std::abs((x-y)/(x+y)) < 1.e-14);
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}
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void is_about(long double x, long double y)
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{
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assert(std::abs((x-y)/(x+y)) < 1.e-14);
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}
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#endif // CASES_H
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