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org.sunflow.math

Class MathUtils

public final class MathUtils
extends java.lang.Object

Method Summary

static double
clamp(double x, double min, double max)
static float
clamp(float x, float min, float max)
static int
clamp(int x, int min, int max)
static float
fastPow(float a, float b)
Computes a fast approximation to Math.pow(a, b).
static double
max(double a, double b, double c)
static float
max(float a, float b, float c)
static float
max(float a, float b, float c, float d)
static int
max(int a, int b, int c)
static double
min(double a, double b, double c)
static float
min(float a, float b, float c)
static float
min(float a, float b, float c, float d)
static int
min(int a, int b, int c)
static float
smoothStep(float a, float b, float x)

Method Details

clamp

public static final double clamp(double x,
                                 double min,
                                 double max)

clamp

public static final float clamp(float x,
                                float min,
                                float max)

clamp

public static final int clamp(int x,
                              int min,
                              int max)

fastPow

public static final float fastPow(float a,
                                  float b)
Computes a fast approximation to Math.pow(a, b). Adapted from http://www.dctsystems.co.uk/Software/power.html.
Parameters:
a - a positive number
b - a number
Returns:
a^b

max

public static final double max(double a,
                               double b,
                               double c)

max

public static final float max(float a,
                              float b,
                              float c)

max

public static final float max(float a,
                              float b,
                              float c,
                              float d)

max

public static final int max(int a,
                            int b,
                            int c)

min

public static final double min(double a,
                               double b,
                               double c)

min

public static final float min(float a,
                              float b,
                              float c)

min

public static final float min(float a,
                              float b,
                              float c,
                              float d)

min

public static final int min(int a,
                            int b,
                            int c)

smoothStep

public static final float smoothStep(float a,
                                     float b,
                                     float x)

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