random.cpp File Reference

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#include "random.h"
#include <cmath>
#include <cstdlib>

Macros
#define	PI   (3.1415927)
#define	f(j, i, k)   ((*this)(subseed,i,j,k))
#define	P(x)   (((x)>0)?((x)*(x)*(x)):0.0f)
#define	R(x)   ( P(x+2) - 4.0f*P(x+1) + 6.0f*P(x) - 4.0f*P(x-1) )*(1.0f/6.0f)
#define	F(i, j)   ((*this)(subseed,i+x,j+y)*(R((i)-a)*R(b-(j))))
#define	FT(i, j, k)   ((*this)(subseed,i+x,j+y,k+t)*(R((i)-a)*R(b-(j))*R((k)-c)))
#define	Z(i, j)   ret+=F(i,j)
#define	ZT(i, j, k)   ret+=FT(i,j,k)
#define	X(i, j)
#define	XT(i, j, k)

Detailed Description

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Macro Definition Documentation

#define PI   (3.1415927)

#define f	(		j,
			i,
			k
	)		((*this)(subseed,i,j,k))

#define P

(

x

)

(((x)>0)?((x)*(x)*(x)):0.0f)

#define R

(

x

)

( P(x+2) - 4.0f*P(x+1) + 6.0f*P(x) - 4.0f*P(x-1) )*(1.0f/6.0f)

#define F	(		i,
			j
	)		((*this)(subseed,i+x,j+y)*(R((i)-a)*R(b-(j))))

#define FT	(		i,
			j,
			k
	)		((*this)(subseed,i+x,j+y,k+t)*(R((i)-a)*R(b-(j))*R((k)-c)))

#define Z	(		i,
			j
	)		ret+=F(i,j)

#define ZT	(		i,
			j,
			k
	)		ret+=FT(i,j,k)

#define X	(		i,
			j
	)

#define XT	(		i,
			j,
			k
	)