new trunk (base for 1.5)

windows build only

Foundation/src/FPEnvironment_SUN.cpp

@@ -0,0 +1,161 @@
+//
+// FPEnvironment_SUN.cpp
+//
+// $Id: //poco/1.4/Foundation/src/FPEnvironment_SUN.cpp#1 $
+//
+// Library: Foundation
+// Package: Core
+// Module:  FPEnvironment
+//
+// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include <math.h>
+#include "Poco/FPEnvironment_SUN.h"
+
+
+namespace Poco {
+
+
+FPEnvironmentImpl::FPEnvironmentImpl()
+{
+	_rnd = fpgetround();
+	_exc = fpgetmask();
+}
+
+
+FPEnvironmentImpl::FPEnvironmentImpl(const FPEnvironmentImpl& env)
+{
+	_rnd = env._rnd;
+	_exc = env._exc;
+}
+
+
+FPEnvironmentImpl::~FPEnvironmentImpl()
+{
+	fpsetround(_rnd);
+	fpsetmask(_exc);
+}
+
+
+FPEnvironmentImpl& FPEnvironmentImpl::operator = (const FPEnvironmentImpl& env)
+{
+	_rnd = env._rnd;
+	_exc = env._exc;
+	return *this;
+}
+
+
+bool FPEnvironmentImpl::isInfiniteImpl(float value)
+{
+	int cls = fpclass(value);
+	return cls == FP_PINF || cls == FP_NINF;
+}
+
+
+bool FPEnvironmentImpl::isInfiniteImpl(double value)
+{
+	int cls = fpclass(value);
+	return cls == FP_PINF || cls == FP_NINF;
+}
+
+
+bool FPEnvironmentImpl::isInfiniteImpl(long double value)
+{
+	int cls = fpclass(value);
+	return cls == FP_PINF || cls == FP_NINF;
+}
+
+
+bool FPEnvironmentImpl::isNaNImpl(float value)
+{
+	return isnanf(value) != 0;
+}
+
+
+bool FPEnvironmentImpl::isNaNImpl(double value)
+{
+	return isnan(value) != 0;
+}
+
+
+bool FPEnvironmentImpl::isNaNImpl(long double value)
+{
+	return isnan((double) value) != 0;
+}
+
+
+float FPEnvironmentImpl::copySignImpl(float target, float source)
+{
+	return (float) copysign(target, source);
+}
+
+
+double FPEnvironmentImpl::copySignImpl(double target, double source)
+{
+	return (float) copysign(target, source);
+}
+
+
+long double FPEnvironmentImpl::copySignImpl(long double target, long double source)
+{
+	return (source > 0 && target > 0) || (source < 0 && target < 0) ? target : -target;
+}
+
+
+void FPEnvironmentImpl::keepCurrentImpl()
+{
+	fpsetround(_rnd);
+	fpsetmask(_exc);
+}
+
+
+void FPEnvironmentImpl::clearFlagsImpl()
+{
+	fpsetsticky(0);
+}
+
+
+bool FPEnvironmentImpl::isFlagImpl(FlagImpl flag)
+{
+	return (fpgetsticky() & flag) != 0;
+}
+
+
+void FPEnvironmentImpl::setRoundingModeImpl(RoundingModeImpl mode)
+{
+	fpsetround((fp_rnd) mode);
+}
+
+
+FPEnvironmentImpl::RoundingModeImpl FPEnvironmentImpl::getRoundingModeImpl()
+{
+	return (FPEnvironmentImpl::RoundingModeImpl) fpgetround();
+}
+
+
+} // namespace Poco