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Support
Class JMath  

java.lang.Object
  Support.JMath

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public final class JMath

extends java.lang.Object

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Field Summary
private static double[]	aT
private static double[]	atanhi
private static double[]	atanlo
private static double[]	bp
private static double	C1
private static double	C2
private static double	C3
private static double	C4
private static double	C5
private static double	C6
private static double	cp
private static double	cp_h
private static double	cp_l
private static double[]	dp_h
private static double[]	dp_l
static double	E
private static double	half
private static double[]	halF
private static double	huge
private static double	invln2
private static double	invpio2
private static double	ivln2
private static double	ivln2_h
private static double	ivln2_l
private static double	L1
private static double	L2
private static double	L3
private static double	L4
private static double	L5
private static double	L6
private static double	Lg1
private static double	lg2
private static double	Lg2
private static double	lg2_h
private static double	lg2_l
private static double	Lg3
private static double	Lg4
private static double	Lg5
private static double	Lg6
private static double	Lg7
private static double	ln2_hi
private static double	ln2_lo
private static double[]	ln2HI
private static double[]	ln2LO
private static double	NEGATIVE_ZERO
private static int[]	npio2_hw
private static double	o_threshold
private static double	one
private static double	ovt
private static double	P1
private static double	P2
private static double	P3
private static double	P4
private static double	P5
static double	PI
private static double	pi_lo
private static double	pi_o_2
private static double	pi_o_4
private static double[]	PIo2
private static double	pio2_1
private static double	pio2_1t
private static double	pio2_2
private static double	pio2_2t
private static double	pio2_3
private static double	pio2_3t
private static double	pio2_hi
private static double	pio2_lo
private static double	pio4
private static double	pio4_hi
private static double	pio4lo
private static double	pS0
private static double	pS1
private static double	pS2
private static double	pS3
private static double	pS4
private static double	pS5
private static double	qS1
private static double	qS2
private static double	qS3
private static double	qS4
private static java.util.Random	random
private static double	S1
private static double	S2
private static double	S3
private static double	S4
private static double	S5
private static double	S6
private static double[]	T
private static double	tiny
private static int[]	two_over_pi
private static double	two24
private static double[]	TWO52
private static double	two53
private static double	two54
private static double	twom1000
private static double	twom54
private static double	twon24
private static double	u_threshold
private static double	zero

 

Constructor Summary

JMath()

 

Method Summary
private static int	__HI(double x)
private static int	__ieee754_rem_pio2(double x, double[] y)
private static double	__kernel_cos(double x, double y)
private static int	__kernel_rem_pio2(double[] x, double[] y, int e0, int nx)
(package private) static double	__kernel_sin(double x, double y, int iy)
private static double	__kernel_tan(double x, double y, int iy)
private static int	__LO(double x)
static double	abs(double x)           Returns the absolute value of its argument.
static float	abs(float x)           Returns the absolute value of its argument.
static int	abs(int x)           Returns the absolute value of its argument.
static long	abs(long x)           Returns the absolute value of its argument.
static double	acos(double x)           Returns the inverse (arc) cosine of its argument.
static double	asin(double x)           Returns the inverse (arc) sine of its argument.
static double	atan(double x)           Returns the inverse (arc) tangent of its argument.
static double	atan2(double y, double x)           Returns angle corresponding to a Cartesian point.
static double	ceil(double x)           Returns the value of its argument rounded toward positive infinity to an integral value.
private static double	copysign(double x, double y)
static double	cos(double x)           Returns the cosine of its argument.
static double	exp(double x)           Returns the exponential of its argument.
static double	floor(double x)           Returns the value of its argument rounded toward negative infinity to an integral value.
static double	IEEEremainder(double x, double p)           Returns x REM p = x - [x/p]*p as if in infinite precise arithmetic, where [x/p] is the (infinite bit) integer nearest x/p (in half way case choose the even one).
static double	log(double x)           Returns the natural logarithm of its argument.
static double	max(double x, double y)           Returns the larger of its two arguments.
static float	max(float x, float y)           Returns the larger of its two arguments.
static int	max(int x, int y)           Returns the larger of its two arguments.
static long	max(long x, long y)           Returns the larger of its two arguments.
static double	min(double x, double y)           Returns the smaller of its two arguments.
static float	min(float x, float y)           Returns the smaller of its two arguments.
static int	min(int x, int y)           Returns the smaller of its two arguments.
static long	min(long x, long y)           Returns the smaller of its two arguments.
static double	pow(double x, double y)           Returns x to the power y.
static double	random()           Returns the random number.
static double	rint(double x)           Returns the value of its argument rounded toward the closest integral value.
static long	round(double x)           Returns the long closest to the arguments.
static int	round(float x)           Returns the integer closest to the arguments.
private static double	scalbn(double x, int n)
private static double	set(int newHiPart, int newLowPart)
private static double	setHI(double x, int newHiPart)
private static double	setLO(double x, int newLowPart)
static double	sin(double x)           Returns the sine of its argument.
static double	sqrt(double x)           Returns the square root of its argument.
static double	tan(double x)           Returns the tangent of its argument.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

PI

public static final double PI

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E

public static final double E

See Also:

Constant Field Values

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random

private static java.util.Random random

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huge

private static final double huge

See Also:

Constant Field Values

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tiny

private static final double tiny

See Also:

Constant Field Values

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TWO52

private static final double[] TWO52

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NEGATIVE_ZERO

private static final double NEGATIVE_ZERO

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halF

private static final double[] halF

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twom1000

private static final double twom1000

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o_threshold

private static final double o_threshold

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u_threshold

private static final double u_threshold

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ln2HI

private static final double[] ln2HI

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ln2LO

private static final double[] ln2LO

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invln2

private static final double invln2

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P1

private static final double P1

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P2

private static final double P2

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P3

private static final double P3

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P4

private static final double P4

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P5

private static final double P5

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ln2_hi

private static final double ln2_hi

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ln2_lo

private static final double ln2_lo

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Lg1

private static final double Lg1

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Lg2

private static final double Lg2

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Lg3

private static final double Lg3

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Lg4

private static final double Lg4

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Lg5

private static final double Lg5

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Lg6

private static final double Lg6

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Lg7

private static final double Lg7

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S1

private static double S1

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S2

private static double S2

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S3

private static double S3

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S4

private static double S4

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S5

private static double S5

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S6

private static double S6

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one

private static final double one

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C1

private static final double C1

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C2

private static final double C2

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C3

private static final double C3

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C4

private static final double C4

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C5

private static final double C5

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C6

private static final double C6

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pio4

private static final double pio4

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pio4lo

private static final double pio4lo

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T

private static final double[] T

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pio2_hi

private static final double pio2_hi

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pio2_lo

private static final double pio2_lo

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pio4_hi

private static final double pio4_hi

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pS0

private static final double pS0

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pS1

private static final double pS1

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pS2

private static final double pS2

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pS3

private static final double pS3

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pS4

private static final double pS4

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pS5

private static final double pS5

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qS1

private static final double qS1

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qS2

private static final double qS2

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qS3

private static final double qS3

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qS4

private static final double qS4

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atanhi

private static final double[] atanhi

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atanlo

private static final double[] atanlo

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aT

private static final double[] aT

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pi_o_4

private static final double pi_o_4

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pi_o_2

private static final double pi_o_2

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pi_lo

private static final double pi_lo

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two_over_pi

private static final int[] two_over_pi

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npio2_hw

private static final int[] npio2_hw

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zero

private static final double zero

See Also:

Constant Field Values

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half

private static final double half

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two24

private static final double two24

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invpio2

private static final double invpio2

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pio2_1

private static final double pio2_1

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pio2_1t

private static final double pio2_1t

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pio2_2

private static final double pio2_2

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pio2_2t

private static final double pio2_2t

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pio2_3

private static final double pio2_3

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pio2_3t

private static final double pio2_3t

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PIo2

private static final double[] PIo2

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twon24

private static final double twon24

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bp

private static final double[] bp

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dp_h

private static final double[] dp_h

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dp_l

private static final double[] dp_l

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two53

private static final double two53

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L1

private static final double L1

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L2

private static final double L2

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L3

private static final double L3

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L4

private static final double L4

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L5

private static final double L5

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L6

private static final double L6

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lg2

private static final double lg2

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lg2_h

private static final double lg2_h

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lg2_l

private static final double lg2_l

See Also:

Constant Field Values

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ovt

private static final double ovt

See Also:

Constant Field Values

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cp

private static final double cp

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cp_h

private static final double cp_h

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cp_l

private static final double cp_l

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ivln2

private static final double ivln2

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ivln2_h

private static final double ivln2_h

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ivln2_l

private static final double ivln2_l

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two54

private static final double two54

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twom54

private static final double twom54

Constructor Detail

JMath

public JMath()

Method Detail

abs

public static int abs(int x)

Returns the absolute value of its argument.

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abs

public static long abs(long x)

Returns the absolute value of its argument.

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abs

public static float abs(float x)

Returns the absolute value of its argument.

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abs

public static double abs(double x)

Returns the absolute value of its argument.

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min

public static int min(int x,
                      int y)

Returns the smaller of its two arguments.

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min

public static long min(long x,
                       long y)

Returns the smaller of its two arguments.

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min

public static float min(float x,
                        float y)

Returns the smaller of its two arguments.

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min

public static double min(double x,
                         double y)

Returns the smaller of its two arguments.

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max

public static int max(int x,
                      int y)

Returns the larger of its two arguments.

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max

public static long max(long x,
                       long y)

Returns the larger of its two arguments.

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max

public static float max(float x,
                        float y)

Returns the larger of its two arguments.

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max

public static double max(double x,
                         double y)

Returns the larger of its two arguments.

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round

public static int round(float x)

Returns the integer closest to the arguments.

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round

public static long round(double x)

Returns the long closest to the arguments.

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random

public static double random()

Returns the random number.

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ceil

public static double ceil(double x)

Returns the value of its argument rounded toward positive infinity to an integral value.

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floor

public static double floor(double x)

Returns the value of its argument rounded toward negative infinity to an integral value.

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rint

public static double rint(double x)

Returns the value of its argument rounded toward the closest integral value.

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IEEEremainder

public static double IEEEremainder(double x,
                                   double p)

Returns x REM p = x - [x/p]*p as if in infinite precise arithmetic, where [x/p] is the (infinite bit) integer nearest x/p (in half way case choose the even one).

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sqrt

public static double sqrt(double x)

Returns the square root of its argument.

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exp

public static double exp(double x)

Returns the exponential of its argument.

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log

public static double log(double x)

Returns the natural logarithm of its argument.

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sin

public static double sin(double x)

Returns the sine of its argument.

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__kernel_sin

static double __kernel_sin(double x,
                           double y,
                           int iy)

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cos

public static double cos(double x)

Returns the cosine of its argument.

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__kernel_cos

private static double __kernel_cos(double x,
                                   double y)

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tan

public static double tan(double x)

Returns the tangent of its argument.

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__kernel_tan

private static double __kernel_tan(double x,
                                   double y,
                                   int iy)

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asin

public static double asin(double x)

Returns the inverse (arc) sine of its argument.

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acos

public static double acos(double x)

Returns the inverse (arc) cosine of its argument.

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atan

public static double atan(double x)

Returns the inverse (arc) tangent of its argument.

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atan2

public static double atan2(double y,
                           double x)

Returns angle corresponding to a Cartesian point.

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__ieee754_rem_pio2

private static int __ieee754_rem_pio2(double x,
                                      double[] y)

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__kernel_rem_pio2

private static int __kernel_rem_pio2(double[] x,
                                     double[] y,
                                     int e0,
                                     int nx)

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pow

public static double pow(double x,
                         double y)

Returns x to the power y.

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copysign

private static double copysign(double x,
                               double y)

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scalbn

private static double scalbn(double x,
                             int n)

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set

private static double set(int newHiPart,
                          int newLowPart)

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setLO

private static double setLO(double x,
                            int newLowPart)

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setHI

private static double setHI(double x,
                            int newHiPart)

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__HI

private static int __HI(double x)

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__LO

private static int __LO(double x)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> [ Support overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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