#ifndef INCLUDED_IEXMATHFPU_H

#define INCLUDED_IEXMATHFPU_H

///////////////////////////////////////////////////////////////////////////

//

// Copyright (c) 1997, Industrial Light & Magic, a division of Lucas

// Digital Ltd. LLC

// 

// All rights reserved.

// 

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

// *       Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// *       Redistributions in binary form must reproduce the above

// copyright notice, this list of conditions and the following disclaimer

// in the documentation and/or other materials provided with the

// distribution.

// *       Neither the name of Industrial Light & Magic nor the names of

// its contributors may be used to endorse or promote products derived

// from this software without specific prior written permission. 

// 

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

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//

///////////////////////////////////////////////////////////////////////////

//------------------------------------------------------------------------

//

//	Functions to control floating point exceptions.

//

//------------------------------------------------------------------------

#include "IexMathIeeeExc.h"

#include "IexNamespace.h"

IEX_INTERNAL_NAMESPACE_HEADER_ENTER

//-----------------------------------------

// setFpExceptions() defines which floating

// point exceptions cause SIGFPE signals.

//-----------------------------------------

void setFpExceptions (int when = (IEEE_OVERFLOW | IEEE_DIVZERO | IEEE_INVALID));

//----------------------------------------

// fpExceptions() tells you which floating

// point exceptions cause SIGFPE signals.

//----------------------------------------

int fpExceptions ();

//------------------------------------------

// setFpExceptionHandler() defines a handler

// that will be called when SIGFPE occurs.

//------------------------------------------

extern "C" typedef void (* FpExceptionHandler) (int type, const char explanation[]);

void setFpExceptionHandler (FpExceptionHandler handler);

// -----------------------------------------

// handleExceptionsSetInRegisters() examines

// the exception registers and calls the

// floating point exception handler if the

// bits are set.  This function exists to 

// allow trapping of exception register states

// that can get set though no SIGFPE occurs.

// -----------------------------------------

void handleExceptionsSetInRegisters();

IEX_INTERNAL_NAMESPACE_HEADER_EXIT

#endif