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83 lines
1.3 KiB
C++
83 lines
1.3 KiB
C++
//
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// FPEnvironment_QNX.cpp
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//
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// Library: Foundation
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// Package: Core
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// Module: FPEnvironment
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/FPEnvironment_QNX.h"
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namespace Poco {
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FPEnvironmentImpl::FPEnvironmentImpl()
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{
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fegetenv(&_env);
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}
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FPEnvironmentImpl::FPEnvironmentImpl(const FPEnvironmentImpl& env)
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{
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_env = env._env;
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}
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FPEnvironmentImpl::~FPEnvironmentImpl()
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{
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fesetenv(&_env);
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}
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FPEnvironmentImpl& FPEnvironmentImpl::operator = (const FPEnvironmentImpl& env)
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{
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_env = env._env;
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return *this;
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}
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void FPEnvironmentImpl::keepCurrentImpl()
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{
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fegetenv(&_env);
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}
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void FPEnvironmentImpl::clearFlagsImpl()
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{
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feclearexcept(FE_ALL_EXCEPT);
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}
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bool FPEnvironmentImpl::isFlagImpl(FlagImpl flag)
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{
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return fetestexcept(flag) != 0;
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}
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void FPEnvironmentImpl::setRoundingModeImpl(RoundingModeImpl mode)
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{
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fesetround(mode);
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}
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FPEnvironmentImpl::RoundingModeImpl FPEnvironmentImpl::getRoundingModeImpl()
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{
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return (RoundingModeImpl) fegetround();
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}
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long double FPEnvironmentImpl::copySignImpl(long double target, long double source)
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{
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return (source >= 0 && target >= 0) || (source < 0 && target < 0) ? target : -target;
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}
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} // namespace Poco
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