intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 89 insertions, 0 deletions

diff --git a/contrib/libs/poco/Foundation/include/Poco/FPEnvironment_DEC.h b/contrib/libs/poco/Foundation/include/Poco/FPEnvironment_DEC.h
new file mode 100644
index 0000000000..b55794a519
--- /dev/null
+++ b/contrib/libs/poco/Foundation/include/Poco/FPEnvironment_DEC.h
@@ -0,0 +1,89 @@
+//
+// FPEnvironment_DEC.h
+//
+// Library: Foundation
+// Package: Core
+// Module:  FPEnvironment
+//
+// Definitions of class FPEnvironmentImpl for Tru64 and OpenVMS Alpha.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Foundation_FPEnvironment_DEC_INCLUDED
+#define Foundation_FPEnvironment_DEC_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#if defined(__VMS)
+#include <ieeedef.h>
+#else
+#include <machine/fpu.h>
+#endif
+
+
+namespace Poco {
+
+
+class FPEnvironmentImpl
+{
+protected:
+	enum RoundingModeImpl
+	{
+		FP_ROUND_DOWNWARD_IMPL   = 0,
+		FP_ROUND_UPWARD_IMPL     = 0,
+		FP_ROUND_TONEAREST_IMPL  = 0,
+		FP_ROUND_TOWARDZERO_IMPL = 0
+	};
+	enum FlagImpl
+	{
+#if defined(__VMS)
+		FP_DIVIDE_BY_ZERO_IMPL = IEEE$M_STATUS_DZE,
+		FP_INEXACT_IMPL        = IEEE$M_STATUS_INE,
+		FP_OVERFLOW_IMPL       = IEEE$M_STATUS_OVF,
+		FP_UNDERFLOW_IMPL      = IEEE$M_STATUS_UNF,
+		FP_INVALID_IMPL        = IEEE$M_STATUS_INV
+#else
+		FP_DIVIDE_BY_ZERO_IMPL = IEEE_STATUS_DZE,
+		FP_INEXACT_IMPL        = IEEE_STATUS_INE,
+		FP_OVERFLOW_IMPL       = IEEE_STATUS_OVF,
+		FP_UNDERFLOW_IMPL      = IEEE_STATUS_UNF,
+		FP_INVALID_IMPL        = IEEE_STATUS_INV
+#endif
+	};
+	FPEnvironmentImpl();
+	FPEnvironmentImpl(const FPEnvironmentImpl& env);
+	~FPEnvironmentImpl();
+	FPEnvironmentImpl& operator = (const FPEnvironmentImpl& env);
+	void keepCurrentImpl();		
+	static void clearFlagsImpl();
+	static bool isFlagImpl(FlagImpl flag);	
+	static void setRoundingModeImpl(RoundingModeImpl mode);
+	static RoundingModeImpl getRoundingModeImpl();
+	static bool isInfiniteImpl(float value);		
+	static bool isInfiniteImpl(double value);
+	static bool isInfiniteImpl(long double value);
+	static bool isNaNImpl(float value);		
+	static bool isNaNImpl(double value);
+	static bool isNaNImpl(long double value);
+	static float copySignImpl(float target, float source);		
+	static double copySignImpl(double target, double source);
+	static long double copySignImpl(long double target, long double source);
+
+private:
+#if defined(__VMS)
+	struct _ieee _env;
+#else
+	unsigned long _env;
+#endif
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_FPEnvironment_DEC_INCLUDED