newran.h File Reference

#include "include.h"
#include "myexcept.h"
#include "extreal.h"
#include <vector>

Include dependency graph for newran.h:

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

Go to the source code of this file.

Data Structures
class	AddedRandom
class	AddedSelectedRandom
class	AsymGen
class	AsymGenX
class	Binomial
class	Cauchy
class	ChiSq
class	Constant
class	DiscreteGen
class	DividedRandom
class	Exponential
class	Gamma
class	MixedRandom
class	MultipliedRandom
class	NegatedRandom
class	NegativeBinomial
class	Normal
class	OredRandom
class	OredVectRandom
class	Pareto
class	Poisson
class	PosGen
class	PosGenX
class	Random
class	RandomCombination
class	RandomPermutation
class	ReciprocalRandom
class	RepeatedRandom
class	ReverseShiftedRandom
class	ScaledRandom
class	SelectedRandom
class	ShiftedRandom
class	SubtractedRandom
class	SumRandom
class	SymGen
class	SymGenX
class	Uniform
Defines
#define	NEWRAN_LIB   0
Typedefs
typedef Real(*	PDF )(Real)
Functions
Real	ln_gamma (Real)

---

Define Documentation

#define NEWRAN_LIB   0

Definition at line 6 of file newran.h.

---

Typedef Documentation

typedef Real(* PDF)(Real)

Definition at line 21 of file newran.h.

---

Function Documentation

Real ln_gamma (  Real   )

Definition at line 609 of file newran.cpp. References Real. Referenced by Binomial1::Binomial1(), Binomial2::Binomial2(), NegativeBinomial::Density(), Binomial1::Density(), Poisson1::Density(), Gamma1::Gamma1(), Gamma2::Gamma2(), NegativeBinomial::NegativeBinomial(), TestBinomial(), TestNegativeBinomial(), and TestPoisson(). { // log gamma function adapted from numerical recipes in C if (xx<1.0) // Use reflection formula { double piz = 3.14159265359 * (1.0-xx); return log(piz/sin(piz))-ln_gamma(2.0-xx); } else { static double cof[6]={76.18009173,-86.50532033,24.01409822, -1.231739516,0.120858003e-2,-0.536382e-5}; double x=xx-1.0; double tmp=x+5.5; tmp -= (x+0.5)*log(tmp); double ser=1.0; for (int j=0;j<=5;j++) { x += 1.0; ser += cof[j]/x; } return -tmp+log(2.50662827465*ser); } }

---