edu.vub.at.objects.natives
Class NATNumeric

java.lang.Object
  edu.vub.at.objects.natives.NATNil
      edu.vub.at.objects.natives.NATByCopy
          edu.vub.at.objects.natives.grammar.NATAbstractGrammar
              edu.vub.at.objects.natives.grammar.AGExpression
                  edu.vub.at.objects.natives.NATNumeric

All Implemented Interfaces:

ATAbstractGrammar, ATConversions, ATExpression, ATNil, ATNumeric, ATObject, ATStatement, java.io.Serializable

Direct Known Subclasses:

NATFraction, NATNumber

public abstract class NATNumeric

extends AGExpression

implements ATNumeric

A common superclass of both numbers and fractions to factor out common base-level behaviour.

Author:

tvc

See Also:

Serialized Form

Field Summary

Fields inherited from class edu.vub.at.objects.natives.NATNil

_INSTANCE_

Constructor Summary

NATNumeric()

Method Summary

NATNumeric	asNativeNumeric()
ATBoolean	base__opeql_(ATNumeric other) a = b iff (a <=> b) == 0
ATBoolean	base__opgtx__opeql_(ATNumeric other) a >= b iff (a <=> b) !
ATBoolean	base__opgtx_(ATNumeric other) a > b iff (a <=> b) == +1
ATBoolean	base__opltx__opeql_(ATNumeric other) a <= b iff (a <=> b) !
ATBoolean	base__opltx_(ATNumeric other) a < b iff (a <=> b) == -1
ATBoolean	base__opnot__opeql_(ATNumeric other) a !
ATFraction	base_cos() NUM(n).cos() => FRC(Math.cos(n))
ATFraction	base_expt(ATNumeric pow) NUM(n).expt(NUM(e)) => FRC(Math.pow(n,e))
ATFraction	base_log() NUM(n).log() => FRC(log(e,n))
ATFraction	base_sin() NUM(n).sin() => FRC(Math.sin(n))
ATFraction	base_sqrt() NUM(n).sqrt() => FRC(Math.sqrt(n))
ATFraction	base_tan() NUM(n).tan() => FRC(Math.tan(n))
protected abstract double	getJavaValue() Template method that should return the value of the underlying number or fraction as a double
ATTable	meta_getStripes() Returns the stripes of this object.

Methods inherited from class edu.vub.at.objects.natives.grammar.AGExpression

base_asExpression

Methods inherited from class edu.vub.at.objects.natives.NATByCopy

meta_pass, meta_resolve

Methods inherited from class edu.vub.at.objects.natives.NATNil

asAmbientTalkObject, asJavaClassUnderSymbiosis, asJavaObjectUnderSymbiosis, asNativeBoolean, asNativeException, asNativeFarReference, asNativeFraction, asNativeNumber, asNativeTable, asNativeText, base__opeql__opeql_, base_asActorMirror, base_asAsyncMessage, base_asBegin, base_asBoolean, base_asClosure, base_asDefinition, base_asFarReference, base_asField, base_asHandler, base_asMessage, base_asMessageCreation, base_asMethod, base_asMirror, base_asNumber, base_asSplice, base_asStatement, base_asStripe, base_asSymbol, base_asTable, base_asUnquoteSplice, base_asVariableAssignment, base_init, base_isBoolean, base_isCallFrame, base_isClosure, base_isFarReference, base_isMessageCreation, base_isMethod, base_isMirror, base_isSplice, base_isStripe, base_isSymbol, base_isTable, base_isUnquoteSplice, base_isVariableAssignment, base_new, createChild, equals, isAmbientTalkObject, isJavaObjectUnderSymbiosis, isNativeBoolean, isNativeField, isNativeText, meta_addField, meta_addMethod, meta_assignField, meta_assignVariable, meta_clone, meta_defineField, meta_doesNotUnderstand, meta_eval, meta_extend, meta_getDynamicParent, meta_getLexicalParent, meta_grabField, meta_grabMethod, meta_invoke, meta_isCloneOf, meta_isRelatedTo, meta_isStripedWith, meta_listFields, meta_listMethods, meta_lookup, meta_newInstance, meta_print, meta_quote, meta_receive, meta_respondsTo, meta_select, meta_send, meta_share, readResolve, toString, writeReplace

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.vub.at.objects.ATNumeric

base__opdiv_, base__opltx__opeql__opgtx_, base__opmns_, base__oppls_, base__optms_, base_addFraction, base_addNumber, base_divideFraction, base_divideNumber, base_gequalsFraction, base_gequalsNumber, base_subtractFraction, base_subtractNumber, base_timesFraction, base_timesNumber

Methods inherited from interface edu.vub.at.objects.ATObject

base__opeql__opeql_, base_init, base_new, meta_addField, meta_addMethod, meta_assignField, meta_assignVariable, meta_clone, meta_defineField, meta_doesNotUnderstand, meta_eval, meta_extend, meta_getDynamicParent, meta_getLexicalParent, meta_grabField, meta_grabMethod, meta_invoke, meta_isCloneOf, meta_isRelatedTo, meta_isStripedWith, meta_listFields, meta_listMethods, meta_lookup, meta_newInstance, meta_pass, meta_print, meta_quote, meta_receive, meta_resolve, meta_respondsTo, meta_select, meta_send, meta_share

Methods inherited from interface edu.vub.at.objects.coercion.ATConversions

asAmbientTalkObject, asJavaClassUnderSymbiosis, asJavaObjectUnderSymbiosis, asNativeBoolean, asNativeException, asNativeFarReference, asNativeFraction, asNativeNumber, asNativeTable, asNativeText, base_asActorMirror, base_asAsyncMessage, base_asBegin, base_asBoolean, base_asClosure, base_asDefinition, base_asExpression, base_asFarReference, base_asField, base_asHandler, base_asMessage, base_asMessageCreation, base_asMethod, base_asMirror, base_asNumber, base_asSplice, base_asStatement, base_asStripe, base_asSymbol, base_asTable, base_asUnquoteSplice, base_asVariableAssignment, base_isBoolean, base_isCallFrame, base_isClosure, base_isFarReference, base_isMessageCreation, base_isMethod, base_isMirror, base_isSplice, base_isStripe, base_isSymbol, base_isTable, base_isUnquoteSplice, base_isVariableAssignment, isAmbientTalkObject, isJavaObjectUnderSymbiosis, isNativeBoolean, isNativeField, isNativeText

Constructor Detail

NATNumeric

public NATNumeric()

Method Detail

getJavaValue

protected abstract double getJavaValue()

Template method that should return the value of the underlying number or fraction as a double

asNativeNumeric

public NATNumeric asNativeNumeric()
                           throws XTypeMismatch

Specified by:

asNativeNumeric in interface ATConversions

Overrides:

asNativeNumeric in class NATNil

Throws:

XTypeMismatch

meta_getStripes

public ATTable meta_getStripes()
                        throws InterpreterException

Description copied from interface: ATObject

Returns the stripes of this object. Note that only the stripes that were attached directly to this object are returned, not all of the parent's stripes as well.

Specified by:

meta_getStripes in interface ATObject

Overrides:

meta_getStripes in class AGExpression

Throws:

InterpreterException

base_cos

public ATFraction base_cos()

NUM(n).cos() => FRC(Math.cos(n))

Specified by:

base_cos in interface ATNumeric

base_sin

public ATFraction base_sin()

NUM(n).sin() => FRC(Math.sin(n))

Specified by:

base_sin in interface ATNumeric

base_tan

public ATFraction base_tan()

NUM(n).tan() => FRC(Math.tan(n))

Specified by:

base_tan in interface ATNumeric

base_log

public ATFraction base_log()

NUM(n).log() => FRC(log(e,n))

Specified by:

base_log in interface ATNumeric

base_sqrt

public ATFraction base_sqrt()

NUM(n).sqrt() => FRC(Math.sqrt(n))

Specified by:

base_sqrt in interface ATNumeric

base_expt

public ATFraction base_expt(ATNumeric pow)
                     throws InterpreterException

NUM(n).expt(NUM(e)) => FRC(Math.pow(n,e))

Specified by:

base_expt in interface ATNumeric

Throws:

InterpreterException

base__opltx_

public ATBoolean base__opltx_(ATNumeric other)
                       throws InterpreterException

a < b iff (a <=> b) == -1

Specified by:

base__opltx_ in interface ATNumeric

Throws:

InterpreterException

base__opgtx_

public ATBoolean base__opgtx_(ATNumeric other)
                       throws InterpreterException

a > b iff (a <=> b) == +1

Specified by:

base__opgtx_ in interface ATNumeric

Throws:

InterpreterException

base__opltx__opeql_

public ATBoolean base__opltx__opeql_(ATNumeric other)
                              throws InterpreterException

a <= b iff (a <=> b) != +1

Specified by:

base__opltx__opeql_ in interface ATNumeric

Throws:

InterpreterException

base__opgtx__opeql_

public ATBoolean base__opgtx__opeql_(ATNumeric other)
                              throws InterpreterException

a >= b iff (a <=> b) != -1

Specified by:

base__opgtx__opeql_ in interface ATNumeric

Throws:

InterpreterException

base__opeql_

public ATBoolean base__opeql_(ATNumeric other)
                       throws InterpreterException

a = b iff (a <=> b) == 0

Specified by:

base__opeql_ in interface ATNumeric

Throws:

InterpreterException

base__opnot__opeql_

public ATBoolean base__opnot__opeql_(ATNumeric other)
                              throws InterpreterException

a != b iff (a <=> b) != 0

Specified by:

base__opnot__opeql_ in interface ATNumeric

Throws:

InterpreterException