Package com.singularsys.jep.functions

Classes that implement the built-in functions and operators.

See:
Description

Interface Summary

CallbackEvaluationI	Functions which require greater control over their evaluation should implement this interface.
CallbackEvaluationI.Runnable	Callback functions which have a working run(stack) method.
LValueI

Class Summary

Abs	Absolute value function for Numbers it returns the absolute value of same type for Complex it returns the Modulus.
Add	Addition function.
ArcCosine	The acos function.
ArcCosineH	Implements the arcCosH function.
ArcSine
ArcSineH	Implements the arcSinH function.
ArcTangent
ArcTangent2	atan2(y, x) Returns the angle whose tangent is y/x.
ArcTanH	Implements the arcTanH function.
Arg	Argument of a complex number
ArrayFunctionBase	Base class for functions that operate on arrays such as Average, MinMax, and VSum.
Assign	An assignment operator so we can do x=3+4.
Average	Average function class, calculates the average of all its arguments.
BinaryFunction	Convenient base class for binary functions.
Binomial	Binomial coefficients: binom(n,i).
Ceil	A PostfixMathCommandI which find the smallest integer above the number ceil(pi) give 4 ceil(-i) give -3
Comparative	Implements the comparative operations <, >, <=, >=, !
ComplexPFMC	Converts a pair of real numbers to a complex number Complex(x,y)=x+i y.
Conjugate	The complex conjugate of a number conj(c)
Cosecant
Cosine
CosineH
Cotangent	The cotangent function.
Cross	The cross product of two 3D vectors.
Divide
Dot	The dot product of two vectors.
Ele	Function which allows array access using the a[3] notation on left and right hand side.
Exp	The exp function.
Floor	A PostfixMathCommandI which find the largest integer above the number floor(pi) give 3 floor(-i) give -4
Identity	A Unary operator which does nothing, used for unary plus +x.
If	The if(condExpr, posExpr, negExpr) function.
Imaginary
LazyLogical	A version of the logical operators which use lazy evaluation.
List	The list function.
Logarithm	Log base 10.
LogBase2	Log base 2.
Logical	Logical operators AND and OR.
MinMax	Minimum and Maximum functions.
Modulus	Calculates the modulus x % y of the arguments.
Multiply
NaryBinaryFunction	Convenient base class for n-ary functions backed by a binary operation.
NaryFunction	Convenient base class for nary functions.
NaturalLogarithm	Natural logarithm.
Not	Implementation of the not function.
Polar	Converts an [r,theta] pair to a complex number r * e^(i theta).
PostfixMathCommand	Function classes extend this class.
Power	Computes the power of an number.
Random	Encapsulates the Math.random() function.
Real
RInt	A PostfixMathCommandI which rounds a number to the closest integer.
Round	A PostfixMathCommandI which rounds a number.
Secant	The secant function. sec(x)=1/cos(x).
Signum	The signum function returns -1 if x<0, 1 if x>0, 0 if x==0.
Sine
SineH	Hyperbolic sin.
SquareRoot	Square root function.
Str	Converts an object into its string representation.
StrictNaturalLogarithm	A strict version of Natural logarithm.
Subtract
Sum	Adds it arguments sum(1,2,3,4,5) will be 15.
Tangent	The tan function.
TanH	Hyperbolic tan.
UMinus
UnaryFunction	Convenient base class for unary functions.
VSum	Summation function which expands the arguments.

Enum Summary

ArrayFunctionBase.ZeroLengthErrorBehaviour

How to respond to a zero length array as argument

Exception Summary

IllegalParameterException

Represents an illegal parameter

Package com.singularsys.jep.functions Description

Classes that implement the built-in functions and operators.

There are several base classes and interfaces which can be used:

PostfixMathCommandI

The basic interface all functions should implement. Defines a void run(Stack