org.shetline.math
Class MathUtil

java.lang.Object
  org.shetline.math.MathUtil

public class MathUtil
extends Object

Field Summary

protected static int	AFTER_DECIMAL
protected static int	AFTER_PATTERN
protected static int	BEFORE_DECIMAL
protected static int	BEFORE_PATTERN
protected static String	patternSymbols

Method Summary

static double	acos_deg(double x)
static double	acot_deg(double x)
static double	acot(double x)
static double	acot2_deg(double a, double b)
static double	acot2(double a, double b)
static double	asin_deg(double x)
static double	atan_deg(double x)
static double	atan2_deg(double a, double b)
static double	cos_deg(double x)
static double	cot_deg(double x)
static double	cot(double x)
static int	div(int x, int y)
static long	div(long x, long y)
static String	format(String fmt, double x)
static String	format(String fmt, double x, DecimalFormatSymbols dfs)
static String	format(String fmt, double x, Locale locale)
static int	getPatternPrecision(String pattern)
static int	iceil(double x)
static int	ifloor(double x)
static double	interpolate(double[] xa, double[] ya, double x)
static double	interpolate(double[] xx, double[] yy, double x, double maxSpan)
static double	interpolate(double x0, double x, double x1, double y0, double y1)
static double	interpolateModular(double[] xa, double[] ya, double x, double modulus)
static double	interpolateModular(double[] xa, double[] ya, double x, double modulus, boolean signedResult)
static double	interpolateModular(double[] xa, double[] ya, double x, double modulus, double maxSpan)
static double	interpolateModular(double[] xa, double[] ya, double x, double modulus, double maxSpan, boolean signedResult)
static double	interpolateModular(double x0, double x, double x1, double y0, double y1, double modulus)
static double	interpolateModular(double x0, double x, double x1, double y0, double y1, double modulus, boolean signedResult)
static int	iround(double x)
static double	limitNeg1to1(double x)
static double	limitNeg1to1(double x, double tolerance)
static double	log2(double x)
static double	maxDouble(double x1, double x2, double x3, double... list)
static float	maxFloat(float x1, float x2, float x3, float... list)
static int	maxInt(int x1, int x2, int x3, int... list)
static long	maxLong(long x1, long x2, long x3, long... list)
static double	minDouble(double x1, double x2, double x3, double... list)
static float	minFloat(float x1, float x2, float x3, float... list)
static int	minInt(int x1, int x2, int x3, int... list)
static long	minLong(long x1, long x2, long x3, long... list)
static int	mod(int x, int y)
static long	mod(long x, long y)
static String[]	patternArray(String patternSet)
static int	random(int x)
static long	random(long x)
static double	rmod(double x, double y)
static double	rmod2(double x, double y)
static double	rround(double x)
static void	setDebug(boolean state)
static int	signum(int x)
static long	signum(long x)
static double	signZN(double x)
static double	signZP(double x)
static double	sin_deg(double x)
static double	squared(double x)
static double	tan_deg(double x)
static double	to_degree(double x)
static double	to_radian(double x)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BEFORE_PATTERN

protected static final int BEFORE_PATTERN

See Also:

Constant Field Values

BEFORE_DECIMAL

protected static final int BEFORE_DECIMAL

See Also:

Constant Field Values

AFTER_DECIMAL

protected static final int AFTER_DECIMAL

See Also:

Constant Field Values

AFTER_PATTERN

protected static final int AFTER_PATTERN

See Also:

Constant Field Values

patternSymbols

protected static final String patternSymbols

See Also:

Constant Field Values

Method Detail

acos_deg

public static double acos_deg(double x)

acot

public static double acot(double x)

acot2

public static double acot2(double a,
                           double b)

acot_deg

public static double acot_deg(double x)

acot2_deg

public static double acot2_deg(double a,
                               double b)

asin_deg

public static double asin_deg(double x)

atan_deg

public static double atan_deg(double x)

atan2_deg

public static double atan2_deg(double a,
                               double b)

cos_deg

public static double cos_deg(double x)

cot

public static double cot(double x)

cot_deg

public static double cot_deg(double x)

div

public static int div(int x,
                      int y)

div

public static long div(long x,
                       long y)

interpolate

public static double interpolate(double x0,
                                 double x,
                                 double x1,
                                 double y0,
                                 double y1)

interpolateModular

public static double interpolateModular(double x0,
                                        double x,
                                        double x1,
                                        double y0,
                                        double y1,
                                        double modulus)

interpolateModular

public static double interpolateModular(double x0,
                                        double x,
                                        double x1,
                                        double y0,
                                        double y1,
                                        double modulus,
                                        boolean signedResult)

interpolate

public static double interpolate(double[] xa,
                                 double[] ya,
                                 double x)

interpolate

public static double interpolate(double[] xx,
                                 double[] yy,
                                 double x,
                                 double maxSpan)

interpolateModular

public static double interpolateModular(double[] xa,
                                        double[] ya,
                                        double x,
                                        double modulus)

interpolateModular

public static double interpolateModular(double[] xa,
                                        double[] ya,
                                        double x,
                                        double modulus,
                                        double maxSpan)

interpolateModular

public static double interpolateModular(double[] xa,
                                        double[] ya,
                                        double x,
                                        double modulus,
                                        boolean signedResult)

interpolateModular

public static double interpolateModular(double[] xa,
                                        double[] ya,
                                        double x,
                                        double modulus,
                                        double maxSpan,
                                        boolean signedResult)

ifloor

public static int ifloor(double x)

iceil

public static int iceil(double x)

iround

public static int iround(double x)

log2

public static double log2(double x)

minInt

public static int minInt(int x1,
                         int x2,
                         int x3,
                         int... list)

minLong

public static long minLong(long x1,
                           long x2,
                           long x3,
                           long... list)

minFloat

public static float minFloat(float x1,
                             float x2,
                             float x3,
                             float... list)

minDouble

public static double minDouble(double x1,
                               double x2,
                               double x3,
                               double... list)

maxInt

public static int maxInt(int x1,
                         int x2,
                         int x3,
                         int... list)

maxLong

public static long maxLong(long x1,
                           long x2,
                           long x3,
                           long... list)

maxFloat

public static float maxFloat(float x1,
                             float x2,
                             float x3,
                             float... list)

maxDouble

public static double maxDouble(double x1,
                               double x2,
                               double x3,
                               double... list)

mod

public static int mod(int x,
                      int y)

mod

public static long mod(long x,
                       long y)

random

public static int random(int x)

random

public static long random(long x)

rmod

public static double rmod(double x,
                          double y)

rmod2

public static double rmod2(double x,
                           double y)

rround

public static double rround(double x)

signum

public static int signum(int x)

signum

public static long signum(long x)

signZN

public static double signZN(double x)

signZP

public static double signZP(double x)

sin_deg

public static double sin_deg(double x)

squared

public static double squared(double x)

tan_deg

public static double tan_deg(double x)

to_degree

public static double to_degree(double x)

to_radian

public static double to_radian(double x)

limitNeg1to1

public static double limitNeg1to1(double x)

limitNeg1to1

public static double limitNeg1to1(double x,
                                  double tolerance)

format

public static String format(String fmt,
                            double x)

format

public static String format(String fmt,
                            double x,
                            Locale locale)

format

public static String format(String fmt,
                            double x,
                            DecimalFormatSymbols dfs)

getPatternPrecision

public static int getPatternPrecision(String pattern)

patternArray

public static String[] patternArray(String patternSet)

setDebug

public static void setDebug(boolean state)