com.singularsys.extensions.field.implementations

Class IntegerToBigIntegerDecorator

java.lang.Object

com.singularsys.extensions.field.implementations.FieldDecorator

com.singularsys.extensions.field.implementations.IntegerToBigIntegerDecorator

All Implemented Interfaces:

FieldI, java.io.Serializable

public class IntegerToBigIntegerDecorator
extends FieldDecorator

A FieldDecorator which converters Integer/Long/Short to BigIntegers on input, and optionally BigIntegers to Integers on output when there is no loss of precision.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
IntegerToBigIntegerDecorator(FieldI field)
IntegerToBigIntegerDecorator(FieldI ring, boolean simplifyResults) If simplifyResults is true any BigInteger result which can be converted to a integer without loss of precision

Method Summary

Modifier and Type	Method and Description
java.lang.Object	convertInput(java.lang.Object in) Attempt to convert the input to a Field method.
java.lang.Object	convertOutput(java.lang.Object out) Attempt to convert the output from a Field method.

Methods inherited from class com.singularsys.extensions.field.implementations.FieldDecorator

add, and, div, eq, ge, getOne, getZero, gt, le, lt, mod, mul, ne, neg, not, or, pow, sub

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerToBigIntegerDecorator

public IntegerToBigIntegerDecorator(FieldI field)

IntegerToBigIntegerDecorator

public IntegerToBigIntegerDecorator(FieldI ring,
                                    boolean simplifyResults)

If simplifyResults is true any BigInteger result which can be converted to a integer without loss of precision

Parameters:

ring - base ring

simplifyResults - whether to try to convert real results back to Doubles.

Method Detail

convertInput

public java.lang.Object convertInput(java.lang.Object in)
                              throws EvaluationException

Description copied from class: FieldDecorator

Attempt to convert the input to a Field method.

Specified by:

convertInput in class FieldDecorator

Returns:

If appropriate convert in to a different type, otherwise return in.

Throws:

EvaluationException

convertOutput

public java.lang.Object convertOutput(java.lang.Object out)
                               throws EvaluationException

Description copied from class: FieldDecorator

Attempt to convert the output from a Field method.

Specified by:

convertOutput in class FieldDecorator

Returns:

If appropriate convert out to a different type, otherwise return out.

Throws:

EvaluationException