Epetra_Object.h

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/*
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//
//               Epetra: Linear Algebra Services Package
//                 Copyright 2011 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// modification, are permitted provided that the following conditions are
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// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
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// this software without specific prior written permission.
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#ifndef EPETRA_OBJECT_H
#define EPETRA_OBJECT_H
 
#include "Epetra_CombineMode.h"
#include "Epetra_DataAccess.h"
#include "Epetra_ConfigDefs.h"


class EPETRA_LIB_DLL_EXPORT Epetra_Object {
 
  public:


  Epetra_Object(int TracebackModeIn = -1, bool set_label = true);


  Epetra_Object(const char * const Label, int TracebackModeIn = -1);


  Epetra_Object(const Epetra_Object& Object);


  virtual ~Epetra_Object();




  virtual void SetLabel(const char * const Label);


  virtual const char * Label() const;


  static void SetTracebackMode(int TracebackModeValue);

  static int GetTracebackMode();

  static std::ostream& GetTracebackStream();




  virtual void Print(std::ostream & os) const;

  virtual int ReportError(const std::string Message, int ErrorCode) const;
 
 
// TracebackMode controls how much traceback information is printed when run time
// integer errors are detected:
// = 0 - No information report
// = 1 - Fatal (negative) values are reported
// = 2 - All values (except zero) reported.
 
// Default is set to 1.  Can be set to different value using SetTracebackMode() method in
// Epetra_Object class
  static int TracebackMode;
 
 
 protected:
  std::string toString(const int& x) const {
     char s[100];
     snprintf(s, sizeof(s), "%d", x);
     return std::string(s);
}
  std::string toString(const long long& x) const {
     char s[100];
     snprintf(s, sizeof(s), "%lld", x);
     return std::string(s);
}
 
  std::string toString(const double& x) const {
     char s[100];
     snprintf(s, sizeof(s), "%g", x);
     return std::string(s);
}
 
 
 private:
  Epetra_Object& operator=(const Epetra_Object& src) {
    SetLabel(src.Label());
    return *this;
  }
 
  char * Label_;
 
};
 
inline std::ostream& operator<<(std::ostream& os, const Epetra_Object& obj)
{
  if (Epetra_FormatStdout) {
/*    const Epetra_fmtflags  olda = os.setf(ios::right,ios::adjustfield);
    const Epetra_fmtflags  oldf = os.setf(ios::scientific,ios::floatfield);
    const int              oldp = os.precision(12); */
 
    os << obj.Label() << std::endl;
    obj.Print(os);
 
/*    os.setf(olda,ios::adjustfield);
    os.setf(oldf,ios::floatfield);
    os.precision(oldp); */
  }
  else {
 
    os << obj.Label();
    obj.Print(os);
  }
 
  return os;
}

#define EPETRA_TEST_FOR_EXCEPTION(throw_exception_test,errCode,msg) \
{ \
    const bool throw_exception = (throw_exception_test); \
    if(throw_exception) { \
        std::ostringstream omsg; \
      omsg \
        << __FILE__ << ":" << __LINE__ << ":" \
        << " Throw test that evaluated to true: "#throw_exception_test << ":" \
        << "Error message : " << msg; \
      throw ReportError(omsg.str(),errCode); \
    } \
}
 
#endif /* EPETRA_OBJECT_H */