VeryLong.h

   1 // long double workalike
   2 // Copyright © 2009 The University of Chicago
   3 #ifndef VERYLONG_H
   4 #define VERYLONG_H
   5
   6 #include <qstring.h>
   7
   8 int                     AssignFromVeryLongToDouble ( class CVeryLong&, double& );
   9 void            IncrementDoubleByVeryLong ( double&, class CVeryLong& );
  10
  11 /// deprecated. Please use “long double” instead.
  12 class CVeryLong
  13 {
  14         float   m_Mantissa; //between 1 and 10
  15         int             m_Exponent; // may be negative
  16
  17
  18
  19 public:
  20                                 CVeryLong();
  21                                 CVeryLong( const CVeryLong& );
  22                                 CVeryLong( const double );
  23                                 ~CVeryLong();
  24
  25         CVeryLong       operator+( const CVeryLong& );
  26         CVeryLong       operator*( const CVeryLong& );
  27         CVeryLong       operator*( const double& );
  28         CVeryLong       operator/( const CVeryLong& );
  29         CVeryLong       operator/( const double& );
  30
  31         int                     operator=( const double & );
  32         void            operator=( const CVeryLong& );
  33         int                     operator>>( double& );
  34         void            operator+=( const CVeryLong& );
  35         int                     operator!();
  36
  37         int                     operator>( const CVeryLong& );
  38         int                     operator<( const CVeryLong& );
  39         int                     operator>( const double& );
  40         int                     operator<( const double& );
  41         int                     operator>( const float& );
  42         int                     operator<( const float& );
  43         int                     operator==( const double& );
  44
  45         QString         Display();
  46
  47         float           GetMantissa() const;
  48         void            SetMantissa( float );
  49         int                     GetExponent() const;
  50         void            SetExponent( int );
  51
  52         double          ToDouble();
  53
  54 };
  55
  56
  57 #endif // VERYLONG_H