We have the following Math functions in Apache Pig −
S.N. | Functions & Description |
---|---|
1 | ABS(expression)
To get the absolute value of an expression. |
2 | ACOS(expression)
To get the arc cosine of an expression. |
3 | ASIN(expression)
To get the arc sine of an expression. |
4 | ATAN(expression)
This function is used to get the arc tangent of an expression. |
5 | CBRT(expression)
This function is used to get the cube root of an expression. |
6 | CEIL(expression)
This function is used to get the value of an expression rounded up to the nearest integer. |
7 | COS(expression)
This function is used to get the trigonometric cosine of an expression. |
8 | COSH(expression)
This function is used to get the hyperbolic cosine of an expression. |
9 | EXP(expression)
This function is used to get the Euler’s number e raised to the power of x. |
10 | FLOOR(expression)
To get the value of an expression rounded down to the nearest integer. |
11 | LOG(expression)
To get the natural logarithm (base e) of an expression. |
12 | LOG10(expression)
To get the base 10 logarithm of an expression. |
13 | RANDOM( )
To get a pseudo random number (type double) greater than or equal to 0.0 and less than 1.0. |
14 | ROUND(expression)
To get the value of an expression rounded to an integer (if the result type is float) or rounded to a long (if the result type is double). |
15 | SIN(expression)
To get the sine of an expression. |
16 | SINH(expression)
To get the hyperbolic sine of an expression. |
17 | SQRT(expression)
To get the positive square root of an expression. |
18 | TAN(expression)
To get the trigonometric tangent of an angle. |
19 | TANH(expression)
To get the hyperbolic tangent of an expression. |