/*
*******************************************************************************
*
*   Copyright (C) 1998-2000, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*
* File ieeetest.h
*
* Modification History:
*
*   Date        Name        Description
*   08/21/98    stephen	    Creation.
*******************************************************************************
*/

#ifndef _IEEETEST
#define _IEEETEST

int main(int argc, char **argv);
void usage(const char *execName);

// Very simple class for testing IEEE compliance
class IEEETest 
{
 public:
  
  // additive constants for flags
  enum EModeFlags {
    kNone		= 0x00,
    kVerboseMode	= 0x01
  };
  
  
  IEEETest(int flags = kNone);
  ~IEEETest();
  
  // method returns the number of errors
  int			run(void);
  
 private:
  // utility function for running a test function
  int			runTest(const char *testName, 
				int (IEEETest::*testFunc)(void));
  
  // the actual tests; methods return the number of errors
  int			testNaN(void);
  int			testPositiveInfinity(void);
  int			testNegativeInfinity(void);
  int			testZero(void);
  
  // subtests of testNaN
  int			testIsNaN(void);
  int			NaNGT(void);
  int			NaNLT(void);
  int			NaNGTE(void);
  int			NaNLTE(void);
  int			NaNE(void);
  int			NaNNE(void);
  
  
  // logging utilities
  int			getTestLevel(void) const;
  void			increaseTestLevel(void);
  void			decreaseTestLevel(void);
  
  IEEETest&		log(char c);
  IEEETest&		log(const char *s);
  IEEETest&		log(int i);
  IEEETest&		log(long l);
  IEEETest&		log(double d);
  IEEETest&		logln(void);
  
  IEEETest&		err(char c);
  IEEETest&		err(const char *s);
  IEEETest&		err(int i);
  IEEETest&		err(long l);
  IEEETest&		err(double d);
  IEEETest&		errln(void);
  
  // data members
  int			mFlags;			// flags - only verbose for now
  int			mTestLevel;		// indent level
  
  short			mNeedLogIndent;
  short			mNeedErrIndent;
};

inline int
IEEETest::getTestLevel(void) const
{ return mTestLevel; }

inline void
IEEETest::increaseTestLevel(void)
{ mTestLevel++; }

inline void
IEEETest::decreaseTestLevel(void)
{ mTestLevel--; }

#endif

//eof