Exponent Class Reference

#include <Exponent.hpp>

Public Types
typedef double(Exponent::*	constMemberPtr )(double) const
typedef double(Exponent::*	constMemberPtr )(double) const

Public Member Functions
	Exponent ()
	Exponent (double exponent)
double	raise (double value) const
void	set_exponent (double exponent)
Exponent &	operator= (double d)
	operator double () const
double	pow0 (double x) const
double	pow1 (double x) const
double	squareRoot (double x) const
double	cubeRoot (double x) const
double	powTwoThirds (double x) const
double	pow2 (double x) const
double	powPositiveInt (double x) const
double	std_pow (double x) const
double	inverse (double x) const
double	invSquareRoot (double x) const
double	powThreeHalves (double x) const
double	invSquare (double x) const
double	powNegativeInt (double x) const
	Exponent ()
	Exponent (double exponent)
double	raise (double value) const
void	set_exponent (double exponent)
Exponent &	operator= (double d)
	operator double () const
double	pow0 (double x) const
double	pow1 (double x) const
double	squareRoot (double x) const
double	cubeRoot (double x) const
double	powTwoThirds (double x) const
double	pow2 (double x) const
double	powPositiveInt (double x) const
double	std_pow (double x) const
double	inverse (double x) const
double	invSquareRoot (double x) const
double	powThreeHalves (double x) const
double	invSquare (double x) const
double	powNegativeInt (double x) const

Static Public Member Functions
static constMemberPtr	get_func_ptr (double exponent)
static constMemberPtr	get_func_ptr (double exponent)

Private Attributes
double	mExponent
constMemberPtr	funcPointer

Detailed Description

Definition at line 43 of file includeLinks/Exponent.hpp.

Member Typedef Documentation

typedef double(Exponent::* constMemberPtr)(double) const

Definition at line 47 of file includeLinks/Exponent.hpp.

typedef double(Exponent::* constMemberPtr)(double) const

Definition at line 47 of file src/Misc/Exponent.hpp.

Constructor & Destructor Documentation

Exponent ( )

inline

Definition at line 50 of file includeLinks/Exponent.hpp.

                : funcPointer( 0 ) 
      {}

Exponent ( double  exponent )

inline

Definition at line 53 of file includeLinks/Exponent.hpp.

      : mExponent(exponent), 
        funcPointer( get_func_ptr( exponent ) )
      {}

Exponent ( )

inline

Definition at line 50 of file src/Misc/Exponent.hpp.

                : funcPointer( 0 ) 
      {}

Exponent ( double  exponent )

inline

Definition at line 53 of file src/Misc/Exponent.hpp.

      : mExponent(exponent), 
        funcPointer( get_func_ptr( exponent ) )
      {}

Member Function Documentation

double cubeRoot

(

double

x

)

const

Definition at line 85 of file Misc/Exponent.cpp.

References Mesquite::cbrt().

Referenced by Exponent::get_func_ptr().

{ return Mesquite::cbrt( x ); }

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double cubeRoot

(

double

x

)

const

Exponent::constMemberPtr get_func_ptr ( double  exponent )

static

Definition at line 42 of file Misc/Exponent.cpp.

References Exponent::cubeRoot(), Exponent::inverse(), Exponent::invSquare(), Exponent::invSquareRoot(), Exponent::pow0(), Exponent::pow1(), Exponent::pow2(), Exponent::powNegativeInt(), Exponent::powPositiveInt(), Exponent::powThreeHalves(), Exponent::powTwoThirds(), Exponent::squareRoot(), and Exponent::std_pow().

Referenced by Exponent::set_exponent().

{
  if (exponent == 0.0)
    return &Exponent::pow0;
  else if (exponent == 1.0)
    return &Exponent::pow1;
  else if (exponent == 0.5)
    return &Exponent::squareRoot;
  else if (exponent == 1./3.)
    return &Exponent::cubeRoot;
  else if (exponent == 2./3.)
    return &Exponent::powTwoThirds;
  else if (exponent == 2.0)
    return &Exponent::pow2;
  else if (exponent == -1.0)
    return &Exponent::inverse;
  else if (exponent == -0.5)
    return &Exponent::invSquareRoot;
  else if (exponent == 1.5)
    return &Exponent::powThreeHalves;
  else if (exponent == -2.0)
    return &Exponent::invSquare;
  else if (msq_stdc::floor(exponent) == exponent)
  {
    if (exponent > 0.0)
      return &Exponent::powPositiveInt;
    else
      return &Exponent::powNegativeInt;
  }
  else 
    return &Exponent::std_pow;
}

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static constMemberPtr get_func_ptr ( double  exponent )

static

double inverse

(

double

x

)

const

double inverse

(

double

x

)

const

Definition at line 88 of file Misc/Exponent.cpp.

References x.

Referenced by Exponent::get_func_ptr().

{ return 1.0 / x; }

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double invSquare

(

double

x

)

const

double invSquare

(

double

x

)

const

Definition at line 91 of file Misc/Exponent.cpp.

References x.

Referenced by Exponent::get_func_ptr().

{ return 1.0 / (x*x); }

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double invSquareRoot

(

double

x

)

const

double invSquareRoot

(

double

x

)

const

Definition at line 89 of file Misc/Exponent.cpp.

References sqrt().

Referenced by Exponent::get_func_ptr().

{ return 1.0 / msq_stdc::sqrt(x); }

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operator double ( ) const

inline

Definition at line 66 of file includeLinks/Exponent.hpp.

References Exponent::mExponent.

      { return mExponent; }

operator double ( ) const

inline

Definition at line 66 of file src/Misc/Exponent.hpp.

References Exponent::mExponent.

      { return mExponent; }

Exponent& operator= ( double  d )

inline

Definition at line 63 of file includeLinks/Exponent.hpp.

References Exponent::set_exponent().

      { set_exponent(d); return *this; }

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Exponent& operator= ( double  d )

inline

Definition at line 63 of file src/Misc/Exponent.hpp.

References Exponent::set_exponent().

      { set_exponent(d); return *this; }

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double pow0

(

double

x

)

const

double pow0

(

double

x

)

const

Definition at line 81 of file Misc/Exponent.cpp.

Referenced by Exponent::get_func_ptr().

{ return 1.0;   }

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double pow1

(

double

x

)

const

double pow1

(

double

x

)

const

Definition at line 82 of file Misc/Exponent.cpp.

References x.

Referenced by Exponent::get_func_ptr().

{ return x;     }

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double pow2

(

double

x

)

const

double pow2

(

double

x

)

const

Definition at line 83 of file Misc/Exponent.cpp.

References x.

Referenced by Exponent::get_func_ptr().

{ return x * x; }

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double powNegativeInt

(

double

x

)

const

double powNegativeInt

(

double

x

)

const

Definition at line 101 of file Misc/Exponent.cpp.

References i, Exponent::mExponent, and x.

Referenced by Exponent::get_func_ptr().

{
  double result = x;
  for (int i = (-(int)mExponent) - 1; i > 0; --i)
    result *= x;
  return 1.0/result;
}

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double powPositiveInt

(

double

x

)

const

Definition at line 93 of file Misc/Exponent.cpp.

References i, Exponent::mExponent, and x.

Referenced by Exponent::get_func_ptr().

{
  double result = x;
  for (int i = (int)mExponent - 1; i > 0; --i)
    result *= x;
  return result;
}

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double powPositiveInt

(

double

x

)

const

double powThreeHalves

(

double

x

)

const

Definition at line 90 of file Misc/Exponent.cpp.

References sqrt().

Referenced by Exponent::get_func_ptr().

{ return x*x*x / msq_stdc::sqrt(x); }

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double powThreeHalves

(

double

x

)

const

double powTwoThirds

(

double

x

)

const

Definition at line 86 of file Misc/Exponent.cpp.

References Mesquite::cbrt_sqr().

Referenced by Exponent::get_func_ptr().

{ return Mesquite::cbrt_sqr(x); }

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double powTwoThirds

(

double

x

)

const

double raise ( double  value ) const

inline

Definition at line 58 of file src/Misc/Exponent.hpp.

References Exponent::funcPointer.

      { return (this->*funcPointer)( value ); }

double raise ( double  value ) const

inline

Definition at line 58 of file includeLinks/Exponent.hpp.

References Exponent::funcPointer.

Referenced by Mesquite::pow().

      { return (this->*funcPointer)( value ); }

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void set_exponent

(

double

exponent

)

Definition at line 75 of file Misc/Exponent.cpp.

References Exponent::funcPointer, Exponent::get_func_ptr(), and Exponent::mExponent.

Referenced by Exponent::operator=().

{
  mExponent = exponent;
  funcPointer = get_func_ptr( exponent );
}

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void set_exponent

(

double

exponent

)

double squareRoot

(

double

x

)

const

Definition at line 84 of file Misc/Exponent.cpp.

References sqrt().

Referenced by Exponent::get_func_ptr().

{ return msq_stdc::sqrt( x ); }

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double squareRoot

(

double

x

)

const

double std_pow

(

double

x

)

const

double std_pow

(

double

x

)

const

Definition at line 87 of file Misc/Exponent.cpp.

References Exponent::mExponent, and Mesquite::pow().

Referenced by Exponent::get_func_ptr().

{ return msq_stdc::pow( x, mExponent ); }

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Member Data Documentation

constMemberPtr funcPointer

private

Definition at line 86 of file includeLinks/Exponent.hpp.

Referenced by Exponent::raise(), and Exponent::set_exponent().

double mExponent

private

Definition at line 85 of file includeLinks/Exponent.hpp.

Referenced by Exponent::operator double(), Exponent::powNegativeInt(), Exponent::powPositiveInt(), Exponent::set_exponent(), and Exponent::std_pow().

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The documentation for this class was generated from the following files:

• includeLinks/Exponent.hpp
• src/Misc/Exponent.hpp
• Misc/Exponent.cpp
• inks/Exponent.cpp