org.jenetics.prog.op

## Enum MathOp

• ### Enum Constant Summary

Enum Constants
Enum Constant and Description
`ABS`
Return the absolute value of a double value.
`ACOS`
Returns the arc cosine of a double value.
`ADD`
Returns the sum of its arguments.
`ASIN`
Returns the arc sine of a double value.
`ATAN`
Returns the arc tangent of a value.
`CBRT`
Returns the cube root of a double value.
`CEIL`
Returns the smallest (closest to negative infinity) double value that is greater than or equal to the argument and is equal to a mathematical integer.
`COS`
Returns the trigonometric cosine of an angle.
`COSH`
Returns the hyperbolic cosine of a double value.
`DIV`
Returns the quotient of its arguments.
`EXP`
Returns Euler's number e raised to the power of a double value.
`FLOOR`
Returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer.
`HYPOT`
Returns sqrt(x2 +y2) without intermediate overflow or underflow.
`LOG`
Returns the natural logarithm (base e) of a double value.
`LOG10`
Returns the base 10 logarithm of a double value.
`MAX`
Return the maximum of two values This operation has arity 2.
`MIN`
Return the minimum of two values.
`MOD`
Returns the modulo of its arguments.
`MUL`
Returns the product of its arguments.
`NEG`
Return the negation value of a double value.
`POW`
Returns the value of the first argument raised to the power of the second argument.
`RINT`
Returns the double value that is closest in value to the argument and is equal to a mathematical integer.
`SIGNUM`
Returns the signum function of the argument; zero if the argument is zero, 1.0 if the argument is greater than zero, -1.0 if the argument is less than zero.
`SIN`
Returns the trigonometric sine of an angle.
`SINH`
Returns the hyperbolic sine of a double value.
`SQR`
Returns the square value of a given double value.
`SQRT`
Returns the correctly rounded positive square root of a double value.
`SUB`
Return the diff of its arguments.
`TAN`
Returns the trigonometric tangent of an angle.
`TANH`
Returns the hyperbolic tangent of a double value.
• ### Field Summary

Fields
Modifier and Type Field and Description
`static Const<Double>` `E`
The double value that is closer than any other to e, the base of the natural logarithms.
`static Const<Double>` `PI`
The double value that is closer than any other to pi, the ratio of the circumference of a circle to its diameter.
• ### Method Summary

All Methods
Modifier and Type Method and Description
`Double` `apply(Double[] doubles)`
`int` `arity()`
Return the arity of the operation function.
`String` `toString()`
`static MathOp` `valueOf(String name)`
Returns the enum constant of this type with the specified name.
`static MathOp[]` `values()`
Returns an array containing the constants of this enum type, in the order they are declared.
• ### Methods inherited from class java.lang.Enum

`clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf`
• ### Methods inherited from class java.lang.Object

`getClass, notify, notifyAll, wait, wait, wait`
• ### Methods inherited from interface org.jenetics.prog.op.Op

`get, isTerminal, name, of`
• ### Methods inherited from interface java.util.function.Function

`andThen, compose, identity`
• ### Enum Constant Detail

• #### ABS

`public static final MathOp ABS`
Return the absolute value of a double value. This operation has arity 1.
`Math.abs(double)`
• #### NEG

`public static final MathOp NEG`
Return the negation value of a double value. This operation has arity 1.
• #### CEIL

`public static final MathOp CEIL`
Returns the smallest (closest to negative infinity) double value that is greater than or equal to the argument and is equal to a mathematical integer. This operation has arity 1.
`Math.ceil(double)`
• #### FLOOR

`public static final MathOp FLOOR`
Returns the largest (closest to positive infinity) double value that is less than or equal to the argument and is equal to a mathematical integer. This operation has arity 1.
`Math.floor(double)`
• #### SIGNUM

`public static final MathOp SIGNUM`
Returns the signum function of the argument; zero if the argument is zero, 1.0 if the argument is greater than zero, -1.0 if the argument is less than zero. This operation has arity 1.
`Math.signum(double)`
• #### RINT

`public static final MathOp RINT`
Returns the double value that is closest in value to the argument and is equal to a mathematical integer. This operation has arity 1.
`Math.rint(double)`

`public static final MathOp ADD`
Returns the sum of its arguments. This operation has arity 2.
• #### SUB

`public static final MathOp SUB`
Return the diff of its arguments. This operation has arity 2.
• #### MUL

`public static final MathOp MUL`
Returns the product of its arguments. This operation has arity 2.
• #### DIV

`public static final MathOp DIV`
Returns the quotient of its arguments. This operation has arity 2.
• #### MOD

`public static final MathOp MOD`
Returns the modulo of its arguments. This operation has arity 2.
• #### POW

`public static final MathOp POW`
Returns the value of the first argument raised to the power of the second argument. This operation has arity 2.
`Math.pow(double, double)`
• #### SQR

`public static final MathOp SQR`
Returns the square value of a given double value. This operation has arity 1.
• #### SQRT

`public static final MathOp SQRT`
Returns the correctly rounded positive square root of a double value. This operation has arity 1.
`Math.sqrt(double)`
• #### CBRT

`public static final MathOp CBRT`
Returns the cube root of a double value. This operation has arity 1.
`Math.cbrt(double)`
• #### HYPOT

`public static final MathOp HYPOT`
Returns sqrt(x2 +y2) without intermediate overflow or underflow. This operation has arity 2.
`Math.hypot(double, double)`
• #### EXP

`public static final MathOp EXP`
Returns Euler's number e raised to the power of a double value. This operation has arity 1.
`Math.exp(double)`
• #### LOG

`public static final MathOp LOG`
Returns the natural logarithm (base e) of a double value. This operation has arity 1.
`Math.log(double)`
• #### LOG10

`public static final MathOp LOG10`
Returns the base 10 logarithm of a double value. This operation has arity 1.
`Math.log10(double)`
• #### SIN

`public static final MathOp SIN`
Returns the trigonometric sine of an angle. This operation has arity 1.
`Math.sin(double)`
• #### COS

`public static final MathOp COS`
Returns the trigonometric cosine of an angle. This operation has arity 1.
`Math.cos(double)`
• #### TAN

`public static final MathOp TAN`
Returns the trigonometric tangent of an angle. This operation has arity 1.
`Math.tan(double)`
• #### ACOS

`public static final MathOp ACOS`
Returns the arc cosine of a double value. This operation has arity 1.
`Math.acos(double)`
• #### ASIN

`public static final MathOp ASIN`
Returns the arc sine of a double value. This operation has arity 1.
`Math.asin(double)`
• #### ATAN

`public static final MathOp ATAN`
Returns the arc tangent of a value. This operation has arity 1.
`Math.atan(double)`
• #### COSH

`public static final MathOp COSH`
Returns the hyperbolic cosine of a double value. This operation has arity 1.
`Math.cosh(double)`
• #### SINH

`public static final MathOp SINH`
Returns the hyperbolic sine of a double value. This operation has arity 1.
`Math.sinh(double)`
• #### TANH

`public static final MathOp TANH`
Returns the hyperbolic tangent of a double value. This operation has arity 1.
`Math.tanh(double)`
• ### Field Detail

• #### PI

`public static final Const<Double> PI`
The double value that is closer than any other to pi, the ratio of the circumference of a circle to its diameter. This is a terminal operation.
`Math.PI`
• #### E

`public static final Const<Double> E`
The double value that is closer than any other to e, the base of the natural logarithms. This is a terminal operation.
`Math.E`
• ### Method Detail

• #### values

`public static MathOp[] values()`
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```for (MathOp c : MathOp.values())
System.out.println(c);
```
Returns:
an array containing the constants of this enum type, in the order they are declared
• #### valueOf

`public static MathOp valueOf(String name)`
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Parameters:
`name` - the name of the enum constant to be returned.
Returns:
the enum constant with the specified name
Throws:
`IllegalArgumentException` - if this enum type has no constant with the specified name
`NullPointerException` - if the argument is null
• #### arity

`public int arity()`
Description copied from interface: `Op`
Return the arity of the operation function. If the arity is zero, the operation is terminal operation.
Specified by:
`arity` in interface `Op<Double>`
Returns:
the arity of the operation
• #### apply

`public Double apply(Double[] doubles)`
Specified by:
`apply` in interface `Function<Double[],Double>`
• #### toString

`public String toString()`
Overrides:
`toString` in class `Enum<MathOp>`

© 2007-2017 Franz Wilhelmstötter  (2017-08-22 19:30)