Package com.singularsys.jep.bigdecimal.functions

Class BigDecSub

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.BinaryFunction

com.singularsys.jep.functions.Subtract

com.singularsys.jep.bigdecimal.functions.BigDecSub

All Implemented Interfaces:

FixedPrecisionFunctionI, PostfixMathCommandI, RealBinaryFunction, Serializable

public class BigDecSub
extends Subtract
implements FixedPrecisionFunctionI

Subtraction function for BigDecimals, Double and other Number types. Uses BigDecimal.subtract(BigDecimal,MathContext).

Since Jep 4.1 can work with vectors.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jep.functions.BinaryFunction

BinaryFunction.BiFunctionWithException<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected MathContext	mc
protected int	scale

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
BigDecSub(MathContext mc)
BigDecSub(MathContext mc, int scale)

Method Summary

Modifier and Type	Method	Description
int	getDecimalPlaces()	Gets the number of decimal places used.
MathContext	getMathContext()
void	setDecimalPlaces(int scale)	Sets the number of decimal places to use.
void	setMathContext(MathContext mc)
Object	sub(Object l, Object r)
Object	subVec(List<?> v1, List<?> v2)

Methods inherited from class com.singularsys.jep.functions.Subtract

eval, evaluate, sub, sub, sub, sub, sub

Methods inherited from class com.singularsys.jep.functions.BinaryFunction

instanceOf, instanceOf, instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, checkNumberOfParameters, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

mc

protected MathContext mc

scale

protected int scale

Constructor Details

BigDecSub

public BigDecSub(MathContext mc)

Parameters:

mc -

BigDecSub

public BigDecSub(MathContext mc,
 int scale)

Method Details

sub

public Object sub(Object l,
 Object r)
           throws EvaluationException

Overrides:

sub in class Subtract

Throws:

EvaluationException

subVec

public Object subVec(List<?> v1,
 List<?> v2)
              throws EvaluationException

Throws:

EvaluationException

getMathContext

public MathContext getMathContext()

setMathContext

public void setMathContext(MathContext mc)

setDecimalPlaces

public void setDecimalPlaces(int scale)

Description copied from interface: FixedPrecisionFunctionI

Sets the number of decimal places to use.

Specified by:

setDecimalPlaces in interface FixedPrecisionFunctionI

Parameters:

scale - either zero, a positive number or -1 for floating-point formats

getDecimalPlaces

public int getDecimalPlaces()

Description copied from interface: FixedPrecisionFunctionI

Gets the number of decimal places used.

Specified by:

getDecimalPlaces in interface FixedPrecisionFunctionI

Returns:

either zero, a positive number or -1 for floating-point formats