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EnableFloatingPointExceptions.h

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#ifndef FWCore_Services_FpeHandler_h
#define FWCore_Services_FpeHandler_h
// -*- C++ -*-
//
// Package:     Services
// Class  :     EnableFloatingPointExceptions
// 
//
// Original Author:  E. Sexton-Kennedy
//         Created:  Tue Apr 11 13:43:16 CDT 2006
// $Id: EnableFloatingPointExceptions.h,v 1.9 2007/06/14 21:03:39 wmtan Exp $
//

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ServiceRegistry/interface/ActivityRegistry.h"

#include <map>
#include <stack>
#include <fenv.h>

namespace edm {
   namespace service {
      class EnableFloatingPointExceptions {
public:
         EnableFloatingPointExceptions(const ParameterSet&,ActivityRegistry&);
         
         void postEndJob();

         void preModule(const ModuleDescription&);
         void postModule(const ModuleDescription&);

private:
         void controlFpe();
         void echoState();

         bool enableDivByZeroEx_;
         bool enableInvalidEx_;
         bool enableOverFlowEx_;
         bool enableUnderFlowEx_;

         bool setPrecisionDouble_;

         bool reportSettings_;

         typedef std::string              String;
         typedef std::vector<std::string> VString;
         typedef ParameterSet             PSet;
         fenv_t fpuState_;
         fenv_t OSdefault_;
         std::map<String, fenv_t> stateMap_;
         std::stack<fenv_t> stateStack_;
      };
   }
}

#endif

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