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////////////////////////////////////////////////////////////////////////////////
/*! @file PhysValue.h Физвеличина.
- Part of RANet - Research Assistant Net Library (based on ANSI C++).
- Copyright(C) 2010, Viktor E. Bursian, St.Petersburg, Russia.
Viktor.Bursian@mail.ioffe.ru
*///////////////////////////////////////////////////////////////////////////////
#ifndef PhysValue_H
#define PhysValue_H
#include "BasicMath.h"
#include "Units.h"
namespace RA {
//------------------------------------------------------------------------------
ANNOUNCE_CLASS(sPhysValue)
ANNOUNCE_CLASS(xRAlgebra)
//--------------------------------------------------------------- sPhysValue ---
/*! Физвеличина - вещественное число с погрешностью и единицами измерения.
@todo{Fucking_Qt!} Q_DECLARE_METATYPE not in a right place
(requered for my templates AddTransition,..)
*/
class RANet_EXPORT sPhysValue : public virtual sMathValue
/*! @todo{PhysValues} virtual?*/
{
STORABLE(sPhysValue)
public://static
static const unsigned short int MaxDigits = 7;
static unsigned short int DraftNormalization; //always
static unsigned short int BriefNormalization; //for Text()
static unsigned short int SmartNormalization; //for editing
public:
sPhysValue ();
explicit sPhysValue (rcsUnits units);
sPhysValue (real value ,rcsUnits units);
sPhysValue (real value ,real error
,rcsUnits units);
explicit sPhysValue (real value);
sPhysValue (real value ,real error);
explicit sPhysValue (sString UnitsStr);
sPhysValue (real value ,sString UnitsStr);
sPhysValue (real value ,real error
,sString UnitsStr);
sPhysValue (rcsPhysValue R);
virtual psMathValue Replica () const
{ return new sPhysValue(*this); }
public:
bool UnitsAreFixed () const
{ return UnitsAreFixedFlag; }
void FixTheUnits ()
{ UnitsAreFixedFlag = true; }
sUnits Units () const
{ return TheUnits; }
sPhysValue Error () const
{
return sPhysValue(TheErrorMantissa
*power10(TheOrder)
,TheUnits );
}
rsPhysValue SetError (rcsPhysValue error);
rsPhysValue SetRelativeError (real error);
bool IsInf () const
{ return isinf(TheValueMantissa); }
bool IsNaN () const
{ return isnan(TheValueMantissa); }
bool IsPowerOfTen () const
{ return ThePowerOfTenFlag; }
bool IsUnitsless () const;
//!< Tests for being in fact unitless
real ToReal () const;
//!< Converts a unitless expression to real
//note: a type conversion operator to real
//would bring ambiguosity to math operators
// sString Text (eTextFormat format=Plain
// ,eTextDetalization detalization=Casual);
// //!< Visual representation for user
// sString Text (eTextFormat format=Plain
// ,eTextDetalization detalization=Casual)
// const;
// //!< Visual representation for user
virtual sString Text (eTextFormat format=Plain
,eTextDetalization detalization=Casual);
//!< Visual representation for user
virtual sString Text (eTextFormat format=Plain
,eTextDetalization detalization=Casual)
const;
//!< Visual representation for user
void Normalize ()
{ Normalize(SmartNormalization); }
public://operators
rsPhysValue operator = (rcsPhysValue);
// bool operator == (rcsPhysValue) const;
bool operator < (rcsPhysValue) const;
sPhysValue operator + () const;
sPhysValue operator - () const;
sPhysValue operator + (rcsPhysValue) const;
sPhysValue operator - (rcsPhysValue) const;
sPhysValue operator * (rcsPhysValue) const;
sPhysValue operator / (rcsPhysValue) const;
sPhysValue operator * (real r) const
{ return (*this) * sPhysValue(r); }
sPhysValue operator / (real r) const
{ return (*this) / sPhysValue(r); }
rsPhysValue operator += (rcsPhysValue);
rsPhysValue operator -= (rcsPhysValue);
rsPhysValue operator *= (real);
rsPhysValue operator /= (real);
rsPhysValue operator << (int order_shift);
public://but for internal needs in RANet and RAGUI
real ValueMantissa () const
{ return TheValueMantissa; }
real ErrorMantissa () const
{ return TheErrorMantissa; }
int Order () const
{ return TheOrder; }
unsigned short int Digits () const
{ return TheDigits; }
//!< число цифр после запятой при выводе,
//! актуальное с учётом погрешности
private:
void Normalize (unsigned short int level);
sString Txt (eTextFormat format=Plain
,eTextDetalization detalization=Casual)
const;
private: //fields
sUnits TheUnits;
bool UnitsAreFixedFlag;
int TheOrder;
real TheValueMantissa;
real TheErrorMantissa;
bool PreciseFlag;
bool ThePowerOfTenFlag;
unsigned short int TheDigits;
unsigned short int NormalizationLevel;
//!< 0 - possibly not normalized;
//!< 1 - units - untouched,
//!< mantissa&order - OK;
//!< 2 - units - within permissions;
//!< n - units are looking better,
//!< time consuming limited by c*exp(n)
friend class sUnits;
friend class sPhysRange;
};
inline sPhysValue operator * (real r ,sPhysValue v)
{
return sPhysValue(r) * v;
}
inline sPhysValue operator / (real r ,sPhysValue v)
{
return sPhysValue(r) / v;
}
inline sPhysValue Abs (rcsPhysValue V)
{
return ( V.ValueMantissa() < 0.0 ? -V : V );
}
//---------------------------------------------------------------- xRAlgebra ---
class RANet_EXPORT xRAlgebra : public xException
{
public:
xRAlgebra
(rcsString msg_text
,rcsString src_file_name = sString()
,int line_no = 0
,rcsString class_name
= sString("xRAlgebra")
)
:xException(msg_text,src_file_name,line_no
,class_name)
{}
// xRAlgebra (literal FName
// ,int LineNo);
// xRAlgebra (literal FName
// ,int LineNo
// ,literal What);
};
//------------------------------------------------------------------------------
} //namespace RA
#include <QMetaType>
Q_DECLARE_METATYPE(RA::sPhysValue)
#endif
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