//
// FPEnvironment_SUN.h
//
// Library: Foundation
// Package: Core
// Module:  FPEnvironment
//
// Definitions of class FPEnvironmentImpl for Solaris.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef Foundation_FPEnvironment_SUN_INCLUDED
#define Foundation_FPEnvironment_SUN_INCLUDED


#include <ieeefp.h>
#include "Poco/Foundation.h"


namespace Poco
{


class FPEnvironmentImpl
{
protected:
    enum RoundingModeImpl
    {
        FP_ROUND_DOWNWARD_IMPL = FP_RM,
        FP_ROUND_UPWARD_IMPL = FP_RP,
        FP_ROUND_TONEAREST_IMPL = FP_RN,
        FP_ROUND_TOWARDZERO_IMPL = FP_RZ
    };
    enum FlagImpl
    {
        FP_DIVIDE_BY_ZERO_IMPL = FP_X_DZ,
        FP_INEXACT_IMPL = FP_X_IMP,
        FP_OVERFLOW_IMPL = FP_X_OFL,
        FP_UNDERFLOW_IMPL = FP_X_UFL,
        FP_INVALID_IMPL = FP_X_INV
    };
    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:
    fp_rnd _rnd;
    fp_except _exc;
};


} // namespace Poco


#endif // Foundation_FPEnvironment_SUN_INCLUDED