java.lang.Object
- db2000.J.eXtrafunctions.fMATH

```
public class fMATH
extends Object
```
math functions

Field Summary

Fields
Modifier and Type Field Description

static double PI
PI constant

Constructor Summary

Constructors
Constructor Description

fMATH()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`Abs(double xValue)`	returns the absolute value of a numeric value
`static double`	`Acos(double xValue)`	returns the arc cosine of a numeric value
`static double`	`Acosh(double xValue)`	returns the area hyperboliccosine of a numeric value
`static double`	`Acot(double t)`	returns the arccotangent of a numeric value
`static double`	`Acoth(double xValue)`	returns the area hyperboliccotangent of a numeric value
`static double`	`Acsc(double xValue)`	returns the cosecantarc of the a number value (Y)
`static double`	`Acsch(double xValue)`	returns the area hyperboliccosecant of a numeric value
`static double`	`Asec(double x)`	returns the arcsecant of a numeric value (X)
`static double`	`Asech(double xValue)`	returns the area hyperbolicsecant of a numeric value
`static double`	`Asin(double xValue)`	returns the arcsine of a numeric value
`static double`	`Asinh(double xValue)`	returns the area hyperbolicsine of a numeric value
`static double`	`Atan(double xValue)`	returns the arctangent of a numeric value
`static double`	`Atan2(double Y, double X)`	returns the arctangent of the cartesian coordinate values
`static double`	`Atanh(double xValue)`	returns the area hyperbolictangent of a numeric value
`static double`	`Cos(double xValue)`	returns the cosine of an angle
`static double`	`Cosh(double xValue)`	returns the hyperboliccosine of a numeric value
`static double`	`Cota(double xValue)`	returns the cotangent of a numeric value
`static double`	`Coth(double xValue)`	returns the hyperboliccotangent of a numeric value
`static double`	`Csch(double xValue)`	returns the hyperboliccosecant of a numeric value
`static double`	`Cscs(double xValue)`	returns the cosecans of a numeric value
`static double`	`Eval(String xArithmeticExpression)`	returns the results of an arithmetic expression
`static double[]`	`Eval2(String[] xArithmeticExpressions)`	returns the results of an arithmetic expression array
`static double`	`Exp(double xValue)`	returns the base of natural logarithms raised to a power (e)
`static double`	`Factorial(long xNumber, int xMode)`	returns the factorial for the numeric value (xMode = 0 or 1)
`static double`	`Fix(double xValue)`	returns the integer part of a number
`static double`	`GeoDistance(double xLatitude1, double xLongitude1, double xLatitude2, double xLongitude2, int xMeasureUnit, int xAlgorithmType)`	returns the distance between two points identified by geographic coordinates
`static boolean`	`IsPrime(long xNumber)`	returns [true] if the value if it is a prime number, otherwise [false]
`static double`	`Log(double xValue)`	returns the natural logarithm of a numeric value
`static long`	`MCD(long x, long y)`	returns the greatest common divisor relative to two numeric values
`static long`	`MCM(long x, long y)`	returns the least common multiple relative to two numeric values
`static double`	`Mod(double xValue1, double xValue2)`	returns returns the remainder of a division
`static double`	`Rnd()`	returns a random double value with a positive sign
`static double`	`Rnd2(double xValue)`	returns a random double value with a positive sign
`static double`	`Round(double xValue)`	returns a number rounded
`static double`	`Round2(double xValue, int xDigitsAfterDecimal)`	returns a number rounded to decimals specified
`static double`	`Sec(double xValue)`	returns the secant of a numeric value
`static double`	`Sech(double xValue)`	returns the hyperbolicsecant of a numeric value
`static int`	`Sgn(double xValue)`	checks the sign of a numeric value
`static int`	`ShLint(int xValue, int xShift)`	shifts the bits of value shift-bits to the left
`static long`	`ShLlng(long xValue, int xShift)`	shifts the bits of value shift-bits to the left
`static int`	`ShRint(int xValue, int xShift)`	shifts the bits of value shift-bits to the right and keeps the MSB
`static long`	`ShRlng(long xValue, int xShift)`	shifts the bits of value shift-bits to the right and keeps the MSB
`static int`	`ShRZint(int xValue, int xShift)`	shifts the bits of value shift-bits to the right and shifts also the MSB
`static long`	`ShRZlng(long xValue, int xShift)`	shifts the bits of value shift-bits to the right and shifts also the MSB
`static double`	`Sin(double xValue)`	returns the sine of an angle
`static double`	`SinC(double xValue)`	returns the sine cardinale of a numeric value
`static double`	`Sinh(double xValue)`	returns the hyperbolicsine of a numeric value
`static double`	`Sqr(double xValue)`	returns the square root of a numeric value
`static double`	`Tan(double xValue)`	returns the tangent of an angle
`static double`	`Tanh(double xValue)`	returns the hyperbolictangent of a numeric value

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PI
```
public static double PI
```
    PI constant
- Constructor Detail
  - fMATH
```
public fMATH()
```
- Method Detail
  - Abs
```
public static double Abs(double xValue)
```
    returns the absolute value of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Acos
```
public static double Acos(double xValue)
```
    returns the arc cosine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Acosh
```
public static double Acosh(double xValue)
```
    returns the area hyperboliccosine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Acot
```
public static double Acot(double t)
```
    returns the arccotangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Acoth
```
public static double Acoth(double xValue)
```
    returns the area hyperboliccotangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Acsc
```
public static double Acsc(double xValue)
```
    returns the cosecantarc of the a number value (Y)
    
    Parameters:
    
    xValue - the numeric expression
  - Acsch
```
public static double Acsch(double xValue)
```
    returns the area hyperboliccosecant of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Asec
```
public static double Asec(double x)
```
    returns the arcsecant of a numeric value (X)
    
    Parameters:
    
    xValue - the numeric expression
  - Asech
```
public static double Asech(double xValue)
```
    returns the area hyperbolicsecant of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Asin
```
public static double Asin(double xValue)
```
    returns the arcsine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Asinh
```
public static double Asinh(double xValue)
```
    returns the area hyperbolicsine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Atan
```
public static double Atan(double xValue)
```
    returns the arctangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Atan2
```
public static double Atan2(double Y,
                           double X)
```
    returns the arctangent of the cartesian coordinate values
    
    Parameters:
    
    X - the cartesian coordinate x
    
    Y - the cartesian coordinate y
  - Atanh
```
public static double Atanh(double xValue)
```
    returns the area hyperbolictangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Cos
```
public static double Cos(double xValue)
```
    returns the cosine of an angle
    
    Parameters:
    
    xValue - the value that expresses an angle in radian
  - Cosh
```
public static double Cosh(double xValue)
```
    returns the hyperboliccosine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Cota
```
public static double Cota(double xValue)
```
    returns the cotangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Coth
```
public static double Coth(double xValue)
```
    returns the hyperboliccotangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Csch
```
public static double Csch(double xValue)
```
    returns the hyperboliccosecant of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Cscs
```
public static double Cscs(double xValue)
```
    returns the cosecans of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Eval
```
public static double Eval(String xArithmeticExpression)
```
    returns the results of an arithmetic expression
    
    Parameters:
    
    xArithmeticExpression - the arithmetic expression xArithmeticExpressions (ae) example: ae = "(4*5(3-1)(67+23(25!)(5*6.5%2.2)))" or ae = "3+(4*5/3(2)(4)+45-1)" or ae = "(89*5/3(2(4(3(2))))(4)+57-1)"...
  - Eval2
```
public static double[] Eval2(String[] xArithmeticExpressions)
```
    returns the results of an arithmetic expression array
    
    Parameters:
    
    xArithmeticExpressions - () the arithmetic expression ArithmeticExpressions (ae[]) examples: ae(0) = "(4*5(3-1)(67+23(25!)(5*6.5%2.2)))" and ae(1) = "3+(4*5/3(2)(4)+45-1)" and ae(2) = "(89*5/3(2(4(3(2))))(4)+57-1)"...
  - Exp
```
public static double Exp(double xValue)
```
    returns the base of natural logarithms raised to a power (e)
    
    Parameters:
    
    xValue - the numeric expression
  - Factorial
```
public static double Factorial(long xNumber,
                               int xMode)
```
    returns the factorial for the numeric value (xMode = 0 or 1)
  - Fix
```
public static double Fix(double xValue)
```
    returns the integer part of a number
    
    Parameters:
    
    xValue - the number in input
  - GeoDistance
```
public static double GeoDistance(double xLatitude1,
                                 double xLongitude1,
                                 double xLatitude2,
                                 double xLongitude2,
                                 int xMeasureUnit,
                                 int xAlgorithmType)
```
    returns the distance between two points identified by geographic coordinates
    
    Parameters:
    
    xLatitude1 - the latitude of point 1
    
    xLongitude1 - the longitude of point 1
    
    xLatitude2 - the latitude of point 2
    
    xLongitude2 - the longitude of point 2
    
    xMeasureUnit - the unit measure (0 = Km, 1 = Miles)
    
    xAlgorithmType - the type of algorithm used for the distance calculation (1 = haversine, 2 = spherical law of cosines, 3 = spherical earth projection)
  - IsPrime
```
public static boolean IsPrime(long xNumber)
```
    returns [true] if the value if it is a prime number, otherwise [false]
  - Log
```
public static double Log(double xValue)
```
    returns the natural logarithm of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - MCD
```
public static long MCD(long x,
                       long y)
```
    returns the greatest common divisor relative to two numeric values
  - MCM
```
public static long MCM(long x,
                       long y)
```
    returns the least common multiple relative to two numeric values
  - Mod
```
public static double Mod(double xValue1,
                         double xValue2)
```
    returns returns the remainder of a division
    
    Parameters:
    
    xValue1 - the number value to be divided
    
    xValue2 - the number value of the divisor
  - Rnd
```
public static double Rnd()
```
    returns a random double value with a positive sign
  - Rnd2
```
public static double Rnd2(double xValue)
```
    returns a random double value with a positive sign
    
    Parameters:
    
    xValue - the numeric value that represents the "base"
  - Round
```
public static double Round(double xValue)
```
    returns a number rounded
    
    Parameters:
    
    xValue - the numeric expression being rounded
  - Round2
```
public static double Round2(double xValue,
                            int xDigitsAfterDecimal)
```
    returns a number rounded to decimals specified
    
    Parameters:
    
    xValue - the numeric expression being rounded
    
    xDigitsAfterDecimal - the digits to the right of the decimal are included in the rounding
  - Sec
```
public static double Sec(double xValue)
```
    returns the secant of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Sech
```
public static double Sech(double xValue)
```
    returns the hyperbolicsecant of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Sgn
```
public static int Sgn(double xValue)
```
    checks the sign of a numeric value
    
    Parameters:
    
    xValue - the numeric expression returns -1 = less than zero (negative sign), 0 = equal to zero, 1 = greater than zero (positive sign)
  - ShLint
```
public static int ShLint(int xValue,
                         int xShift)
```
    shifts the bits of value shift-bits to the left
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - ShLlng
```
public static long ShLlng(long xValue,
                          int xShift)
```
    shifts the bits of value shift-bits to the left
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - ShRint
```
public static int ShRint(int xValue,
                         int xShift)
```
    shifts the bits of value shift-bits to the right and keeps the MSB
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - ShRlng
```
public static long ShRlng(long xValue,
                          int xShift)
```
    shifts the bits of value shift-bits to the right and keeps the MSB
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - ShRZint
```
public static int ShRZint(int xValue,
                          int xShift)
```
    shifts the bits of value shift-bits to the right and shifts also the MSB
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - ShRZlng
```
public static long ShRZlng(long xValue,
                           int xShift)
```
    shifts the bits of value shift-bits to the right and shifts also the MSB
    
    Parameters:
    
    xValue - the value to be shifted
    
    xShift - the amount of bits to shift the bits of value
  - Sin
```
public static double Sin(double xValue)
```
    returns the sine of an angle
    
    Parameters:
    
    xValue - the value that expresses an angle in radian
  - SinC
```
public static double SinC(double xValue)
```
    returns the sine cardinale of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Sinh
```
public static double Sinh(double xValue)
```
    returns the hyperbolicsine of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Sqr
```
public static double Sqr(double xValue)
```
    returns the square root of a numeric value
    
    Parameters:
    
    xValue - the numeric expression
  - Tan
```
public static double Tan(double xValue)
```
    returns the tangent of an angle
    
    Parameters:
    
    xValue - the numeric expression that expresses an angle in radians
  - Tanh
```
public static double Tanh(double xValue)
```
    returns the hyperbolictangent of a numeric value
    
    Parameters:
    
    xValue - the numeric expression

Class fMATH

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PI

Constructor Detail

fMATH

Method Detail

Abs

Acos

Acosh

Acot

Acoth

Acsc

Acsch

Asec

Asech

Asin

Asinh

Atan

Atan2

Atanh

Cos

Cosh

Cota

Coth

Csch

Cscs

Eval

Eval2

Exp

Factorial

Fix

GeoDistance

IsPrime

Log

MCD

MCM

Mod

Rnd

Rnd2

Round

Round2

Sec

Sech

Sgn

ShLint

ShLlng

ShRint

ShRlng

ShRZint

ShRZlng

Sin

SinC

Sinh

Sqr

Tan

Tanh