formulary.h File Reference

Plasma Formulary and Units - Declarations. More...

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
class	units
class	Formulary

Functions
template<class T >
valarray< T >	Gaussian (const size_t N, const T vmin, const T vmax, const T vth)
Formulary &	formulary ()

Detailed Description

Plasma Formulary and Units - Declarations.

Author

PICKSC

Date

September 1, 2016

Declarations for data structures that are related to simple physics concepts: 1) units: a concrete class that combines a label and a numerical value 2) Formulary: A class that enables conversion of units and implements expression from the NRL plasma formulary.

Definition in file formulary.h.

Function Documentation

formulary()

Formulary& formulary

(

)

Definition at line 328 of file formulary.cpp.

Referenced by Export_Files::Xport::Export_h5(), and Export_Files::Xport::Xport().

                       {
    static Formulary f;
    return f;
}

Here is the caller graph for this function:

Gaussian()

template<class T >

valarray<T> Gaussian	(	const size_t	N,
		const T	vmin,
		const T	vmax,
		const T	vth
	)

Definition at line 25 of file formulary.h.

                                                                             {

//  Make axis first
    valarray<T> G(N);
    for (size_t i(0); i < N; ++i) {
        G[i] = static_cast<T>(i);
    }
    G *= (vmax-vmin)/(static_cast<T>(N-1));
    G += vmin;

//  Make Gaussian
    T           C(pow( 1.0/ (sqrt(2.0*M_PI)*vth), 3));
    T           al( (-0.5) / (vth*vth));
    for (size_t i(0); i < N; ++i) {
        G[i]  = exp( al * G[i]*G[i] ); 
    }
    G *= C;

    return G;                              
}