forked from 0ad/0ad
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/* Copyright (C) 2010 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "lib/self_test.h"
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#include "lib/posix/posix.h"
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class TestPosix : public CxxTest::TestSuite
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{
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public:
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template<typename T>
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void do_fpclassify()
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{
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T zero = 0.f;
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T one = 1.f;
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T inf = std::numeric_limits<T>::infinity();
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T ninf = -std::numeric_limits<T>::infinity();
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T qnan = std::numeric_limits<T>::quiet_NaN();
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T snan = std::numeric_limits<T>::signaling_NaN();
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T min = std::numeric_limits<T>::min();
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T sub = std::numeric_limits<T>::denorm_min();
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T sub2 = std::numeric_limits<T>::min() / 2;
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TS_ASSERT_EQUALS((int)fpclassify(zero), (int)FP_ZERO);
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TS_ASSERT_EQUALS((int)fpclassify(one), (int)FP_NORMAL);
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TS_ASSERT_EQUALS((int)fpclassify(inf), (int)FP_INFINITE);
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TS_ASSERT_EQUALS((int)fpclassify(ninf), (int)FP_INFINITE);
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TS_ASSERT_EQUALS((int)fpclassify(qnan), (int)FP_NAN);
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TS_ASSERT_EQUALS((int)fpclassify(snan), (int)FP_NAN);
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TS_ASSERT_EQUALS((int)fpclassify(min), (int)FP_NORMAL);
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TS_ASSERT_EQUALS((int)fpclassify(sub), (int)FP_SUBNORMAL);
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TS_ASSERT_EQUALS((int)fpclassify(sub2), (int)FP_SUBNORMAL);
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TS_ASSERT(!isnan(zero));
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TS_ASSERT(!isnan(one));
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TS_ASSERT(!isnan(inf));
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TS_ASSERT(!isnan(ninf));
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TS_ASSERT(isnan(qnan));
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TS_ASSERT(isnan(snan));
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TS_ASSERT(!isnan(min));
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TS_ASSERT(!isnan(sub));
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TS_ASSERT(!isnan(sub2));
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TS_ASSERT(isfinite(zero));
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TS_ASSERT(isfinite(one));
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TS_ASSERT(!isfinite(inf));
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TS_ASSERT(!isfinite(ninf));
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TS_ASSERT(!isfinite(qnan));
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TS_ASSERT(!isfinite(snan));
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TS_ASSERT(isfinite(min));
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TS_ASSERT(isfinite(sub));
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TS_ASSERT(isfinite(sub2));
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TS_ASSERT(!isinf(zero));
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TS_ASSERT(!isinf(one));
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TS_ASSERT(isinf(inf));
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TS_ASSERT(isinf(ninf));
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TS_ASSERT(!isinf(qnan));
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TS_ASSERT(!isinf(snan));
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TS_ASSERT(!isinf(min));
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TS_ASSERT(!isinf(sub));
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TS_ASSERT(!isinf(sub2));
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TS_ASSERT(!isnormal(zero));
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TS_ASSERT(isnormal(one));
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TS_ASSERT(!isnormal(inf));
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TS_ASSERT(!isnormal(ninf));
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TS_ASSERT(!isnormal(qnan));
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TS_ASSERT(!isnormal(snan));
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TS_ASSERT(isnormal(min));
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TS_ASSERT(!isnormal(sub));
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TS_ASSERT(!isnormal(sub2));
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}
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void test_fpclassifyf()
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{
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do_fpclassify<float>();
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}
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void test_fpclassifyd()
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{
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do_fpclassify<double>();
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}
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};
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