Main.cpp File Reference

Main. More...

#include "defines.h"
#include <stdlib.h>
#include <stdio.h>
#include "FiniteAmortizedNoise2D.h"
#include "InfiniteAmortizedNoise2D.h"
#include "perlin.h"
#include "infiniteperlin.h"
#include "infinitesmoothperlin.h"
#include "CPUtime.h"

Functions
unsigned int	Time2DImprovedAmortizedNoise (float **cell, int octave0, int octave1, int size, int repeats)
unsigned int	Time2DAmortizedNoise (float **cell, int octave0, int octave1, int size, int repeats)
unsigned int	Time2DPerlinNoise (float **cell, int octave0, int octave1, int size, int repeats, float(*noise)(float, float, float, float, int))
void	TestPerlinNoiseVariants ()
	Time 2D Perlin noise against infinite and infinite smooth Perlin noise.
void	TestAmortizedNoiseVariants ()
	Time 2D Perlin noise against finite and infinite amortized noise.
int	main (int argc, char *argv[])

Variables
const int	MAXCELLSIZE2D = 8192
	Maximum cell size, MUST be a power of 2.
CFiniteAmortizedNoise2D	FiniteAmortizedNoise (MAXCELLSIZE2D)
	Amortized 2D Perlin noise generator.
CInfiniteAmortizedNoise2D	InfiniteAmortizedNoise (MAXCELLSIZE2D, 0)
	Amortized 2D noise generator.

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Main.

Parameters

argc	Argument count
argv	Arguments.

Returns

0 for success, 1 for failure.

unsigned int Time2DAmortizedNoise	(	float **	cell,
		int	octave0,
		int	octave1,
		int	size,
		int	repeats
	)

Time a random cell of 2D Amortized Perlin noise.

Parameters

cell	Pointer to array in which to store the noise.
octave0	Smallest octave.
octave1	Largest octave.
size	Texture size.
repeats	Number of times to repeat the experiment.

Returns

CPU time in milliseconds.

unsigned int Time2DImprovedAmortizedNoise	(	float **	cell,
		int	octave0,
		int	octave1,
		int	size,
		int	repeats
	)

Time a random cell of 2D Amortized noise.

Parameters

cell	Pointer to array in which to store the noise.
octave0	Smallest octave.
octave1	Largest octave.
size	Texture size.
repeats	Number of times to repeat the experiment.

Returns

CPU time in milliseconds.

unsigned int Time2DPerlinNoise	(	float **	cell,
		int	octave0,
		int	octave1,
		int	size,
		int	repeats,
		float(*)(float, float, float, float, int)	noise
	)

Time a random cell of 2D Perlin noise.

Parameters

cell	Pointer to array in which to store the noise.
octave0	Smallest octave.
octave1	Largest octave.
size	Texture size.
repeats	Number of times to repeat the experiment.
noise	Noise function to be timed, will be either vanilla, infinite, or infinite smoothed Perlin noise.

Returns

CPU time in milliseconds.