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Math Extension

Math extension provides basic mathematical functions such as calculating absolute value, sin, cos, tan, base conversion, parsing, etc. Following are the functions of the Math extension. 

Absolute Value function

Syntax<double> math:abs(<float|double> p1)
Extension TypeFunction
DescriptionReturns the absolute value of p1. This function wraps the java.lang.Math.abs() function.
Examples

Both the following queries return 3 since the absolute value of both 3 and -3 is 3.

  • abs(3)
  • abs(-3)


acos  function

Syntax<double> math:acos(<float|double> p1)
Extension TypeFunction
DescriptionIf -1 <= p1 <= 1, this function returns the arc-cosine (inverse cosine) of p1. If not, it returns NULL. The return value is in radian scale. This function wraps the java.lang.Math.acos()function.
Exampleacos(0.5) returns 1.0471975511965979.

 

asin function

Syntax<double> math:asin (<float|double>  p1)
Extension TypeFunction
DescriptionIf -1 <= p1 <= 1, this function returns the arc-sin (inverse sine) of p1. If not, it returns NULL. The return value is in radian scale. This function wraps the java.lang.Math.asin() function.
Exampleasin(0.5) returns 0.5235987755982989.

 

atan function

Syntax<double> math:atan(<int|long|float|double> p1)
Extension TypeFunction
DescriptionReturns the arc-tangent (inverse tangent) of p1. The return value is in radian scale. This function wraps the java.lang.Math.atan() function.
Examplesatan(6d) returns 1.4056476493802699.
Syntax<double> math:atan (<int|long|float|double> p1, <int|long|float|double> p2)
Extension TypeFunction
DescriptionReturns the arc-tangent (inverse tangent) of  p1 and p2 coordinates. The return value is in radian scale. This function wraps the java.lang.Math.atan2() function.
Examplesatan(12d, 5d) returns 1.1760052070951352.

 

Binary function

Syntax<string>  math:bin(<int|long> p1)
Extension TypeFunction
DescriptionReturns a string representation of the integer/long p1 argument as an unsigned integer in base 2. This function wraps the java.lang.Integer.toBinaryString andjava.lang.Long.toBinaryString methods.
Examples bin(9) returns "1001".

 

Ceiling function

Syntax<double>  math:ceil(<float|double> p1)
Extension TypeFunction
DescriptionReturns the smallest (closest to negative infinity) double value that is greater than or equal to the p1 argument, and is equal to a mathematical integer. This function wraps thejava.lang.Math.ceil() method.
Exampleceil(423.187d) returns 424.0.

 

Convert function

Syntax<string>  math:conv(<string> a, <int> fromBase, <int> toBase)
Extension TypeFunction
DescriptionConverts a from the fromBase base to the toBase base.
Exampleconv("7f", 16, 10) returns "127".

 

CopySign function

Syntax<double>  math:copySign(<int|long|float|double> magnitude, <int|long|float|double> sign)
Extension TypeFunction
DescriptionReturns the magnitude of magnitude with the sign of sign . This function wraps the java.lang.Math.copySign() function.
ExamplecopySign(5.6d, -3.0d) returns -5.6.

 

cos function

Syntax<double>  math:cos(<int|long|float|double> p1)
Extension TypeFunction
DescriptionReturns the cosine of p1 (p1 is in radians). This function wraps the java.lang.Math.cos() function.
Examplecos(6d) returns 0.9601702866503661.

 

cosh function

Syntax<double>  math:cosh(<int|long|float|double> p1)
Extension TypeFunction
DescriptionReturns the hyperbolic cosine of p1 (p1 is in radians). This function wraps the java.lang.Math.cosh() function.
Examplecosh (6d) returns 201.7156361224559.

 

Cube Root function

Syntax<double>  math:cbrt(<int|long|float|double> p1)
Extension TypeFunction
DescriptionReturns the cube-root of p1 (p1 is in radians). This function wraps the java.lang.Math.cbrt() function.
Examplecbrt(17d) returns 2.5712815906582356.

 

e function

Syntax<double>  math:e()
Extension TypeFunction
DescriptionReturns the java.lang.Math.E constant, which is the closest double value to e (which is the base of the natural logarithms).
Examplee() returns 2.7182818284590452354.

 

Exponential function

Syntax<double>  math:exp(<int|long|float|double> p1)
Extension TypeFunction
DescriptionReturns Euler's number e raised to the power of p1. This function wraps the java.lang.Math.exp() function.
Exampleexp(10.23) returns 27722.51006805505.

Floor function

Syntax<double>  math:floor(<int|long|float|double> p1)
Extension TypeFunction
DescriptionThis function wraps the java.lang.Math.floor() function that returns the largest (closest to positive infinity) value that is less that or equal to p1, and is equal to a mathematical integer.
Examplefloor(10.23) returns 10.0.

 

Get Exponent function

Syntax<double>  math:getExponent(<int|long|float|double>  p1)
Extension TypeFunction
DescriptionReturns the unbiased exponent used in the representation of p1. This function wraps the java.lang.Math.getExponent() function.
ExamplegetExponent(60984.1) returns 15.

 

Hexadecimal function

Syntax<string>  math:hex(<int|long|float|double> p1)
Extension TypeFunction
DescriptionThis function wraps the java.lang.Double.toHexString() function that returns a hexadecimal string representation of p1.
Examplehex(200) returns "c8".

 

Is Infinite function

Syntax<boolean>  math:isInfinite(<float|double>  p1)
Extension TypeFunction
DescriptionThis function wraps the java.lang.Float.isInfinite() and java.lang.Double.isInfinite() functions that return true if p1 is infinitely large in magnitude, or return falseotherwise.
ExampleisInfinite(java.lang.Double.POSITIVE_INFINITY) returns true.

 

Is Not A Number function 

Syntax< boolean>  math:isNan(<float|double>  p1)
Extension TypeFunction
DescriptionThis function wraps the java.lang.Float.isNaN() and java.lang.Double.isNaN() functions that return true if p1 is a NaN (Not-a-Number) value, or return false otherwise.
ExampleisNan(java.lang.Math.log(-12d)) returns true.

 

ln function

Syntax<double> math:ln (< int|long|float|double > p1)
Extension TypeFunction
DescriptionReturns the natural logarithm (base e) of p1.
Exampleln(11.453) returns 2.438251704415579.

 

log2 function

Syntax<double> math:log2 (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionReturns the base 2 logarithm of p1.
Examplelog2(91d) returns 6.507794640198696.

 

log10 function

Syntax<double> math:log10 ( < int|long|float|double >  p1 )
Extension TypeFunction
DescriptionReturns the base 10 logarithm of p1.
Examplelog10(19.234) returns 1.2840696117100832.

 

log function

Syntax<double> math:log (< int|long|float|double >  number, < int|long|float|double >  base )
Extension TypeFunction
DescriptionReturns the logarithm (base=base) of number.
Examplelog(34, 2f) returns 5.08746284125034.

 

Max function

Syntax<double> math:max (< int|long|float|double >  p1,  <int|long|float|double>   p2 )
Extension TypeFunction
DescriptionReturns the greater value out of p1 and p2.
Examplemax(123.67d, 91) returns 123.67.

 

Min function

Syntax<double> math:min (< int|long|float|double >  p1,  <int|long|float|double>   p2 )
Extension TypeFunction
DescriptionReturns the smaller value out of p1 and p2.
Examplemin(123.67d, 91) returns 91.

 

Octal function

Syntax<string> math:oct (<int|long>  p1)
Extension TypeFunction
DescriptionConverts p1 to octal.
Exampleoct(99l) returns "143".

 

Parse Double function

Syntax<double> math:parseDouble (<string>  str)
Extension TypeFunction
DescriptionReturns str as a double.
ExampleparseDouble("123") returns 123.0.

 

Parse Float function

Syntax<float> math:parseFloat (<string>  str)
Extension TypeFunction
DescriptionReturns str as a float.
ExampleparseFloat("123") returns 123.0.

 

Parse Int function

Syntax<int> math:parseInt (<string>  str)
Extension TypeFunction
DescriptionReturns str as an int.
ExampleparseInt("123") returns 123.

 

Parse Long function

Syntax<long> math:parseLong (<string>  str)
Extension TypeFunction
DescriptionReturns str as a long.
ExampleparseLong("123") returns 123.

 

Percentile function

Syntax<double> math:percentile (<int|long|float|double>  arg,  <double> p)
Extension TypeFunction
DescriptionReturns the pth percentile value of the arg values. 
Example

from inputStream#window.length(100)

select math:percentile(temperature, 97.0) as percentile

insert into outputStream;

returns 97th percentile value of last 100 temperature values. 

 

pi function

Syntax<double> math:pi ( )
Extension TypeFunction
DescriptionReturns the java.lang.Math.PI constant, which is the closest value to pi (i.e. the ratio of the circumference of a circle to its diameter). 
Examplepi() always returns 3.141592653589793.

 

Power function

Syntax<double> math:power ( < int|long|float|double>  value,  <int|long|float|double>   toPower )
Extension TypeFunction
DescriptionReturns value raised to the power of toPower.
Examplepower(5.6d, 3.0d) returns 175.61599999999996.

 

Random function

Syntax<double> math:rand ( )
Extension TypeFunction
Description A sequence of calls to rand() generates a stream of pseudo-random numbers. This function uses the java.util.Random class internally.
ExampleTwo sequential calls to rand() may return 0.8263929447650588 and 0.24425883860361197 respectively.
Syntax<double> math:rand (< int|long >  seed)
Extension TypeFunction
DescriptionA sequence of calls to rand(seed) generates a stream of pseudo-random numbers. This function uses the java.util.Random class internally. 
ExampleTwo sequential calls to rand(12) may return 0.7298928061101974 and 0.2750691655200749, respectively.

 

Round function

Syntax

<int> math:round (<float> value )

Extension TypeFuncion
DescriptionReturns the closest integer value to the argument.
Exampleround(3.35) returns 3.
Syntax<long> math:round (<double> value )
Extension TypeFunction
DescriptionReturns the closest long value to the argument.
Exampleround(3252.353) returns 3252.

 

Sign of Number function

Syntax<int> math:signum (< int|long|float|double >  p1)
Extension TypeFunction
Description
  • If a is a positive, this returns the sign of p1 as 1.0.
  • If a is a negative, this returns the sign of p1 as -1.0.
  • If a is neither a positive or a negative, this returns the sign of p1 as 0.0.

This function wraps the java.lang.Math.signum() function.

Examplesignum(-6.32d) returns -1.

 

sin function

Syntax<double> math:sin (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionReturns the sine of p1 (p1 is in radians). This function wraps the java.lang.Math.sin() function.
Examplesin(6d) returns -0.27941549819892586.

 

sinh function

Syntax<double> math:sinh (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionReturns the hyperbolic sine of p1 (p1 is in radians). This function wraps the java.lang.Math.sinh() function. 
Examplesinh(6d) returns 201.71315737027922.

 

Square Root function

Syntax<double> math:sqrt (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionReturns the square-root of p1. This function wraps the java.lang.Math.sqrt() function. 
Examplesqrt(4d) returns 2.

 

tan  function

Syntax<double> math:tan (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionReturns the tan of p1 (p1 is in radians). This function wraps the java.lang.Math.tan() function. 
Exampletan(6d) returns -0.29100619138474915.

 

tanh function

Syntax<double> math:tanh (<int|long|float|double>  p1)
Extension TypeFunction
DescriptionReturns the hyperbolic tangent of p1 (p1 is in radians). This function wraps the java.lang.Math.tanh() function. 
Exampletanh(6d) returns 0.9999877116507956.

 

To Degrees function

Syntax<double> math:toDegrees (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionConverts p1 from radians to degrees. This function wraps the java.lang.Math.toDegrees() function.
ExampletoDegrees(6d) returns 343.77467707849394.

 

To Radians function

Syntax<double> math:toRadians (< int|long|float|double >  p1)
Extension TypeFunction
DescriptionConverts p1 from degrees to radians. This function wraps the java.lang.Math.toRadians() function.
ExampletoRadians(6d) returns 0.10471975511965977.
com.atlassian.confluence.content.render.xhtml.migration.exceptions.UnknownMacroMigrationException: The macro 'next_previous_links2' is unknown.