edu.isi.stella.utilities
Class Ratio

java.lang.Object
  edu.isi.stella.Stella_Object
      edu.isi.stella.Quantity
          edu.isi.stella.utilities.Ratio

public class Ratio
extends Quantity

Field Summary

int	denominator
int	numerator

Constructor Summary

Ratio()

Method Summary

static Stella_Object	accessRatioSlotValue(Ratio self, Symbol slotname, Stella_Object value, boolean setvalueP)
Ratio	add(Ratio y)
Quantity	coerceTo(Stella_Object y) Coerces y to be a compatible type with x.
static Cons	computeMeasuresForPrimeId(Ratio pid, java.lang.Object[] MV_returnarray) Returns two CONSes of Measure objects for the prime ID pid
static java.lang.String	computeUnitsForPrimeId(Ratio pid)
Ratio	divide(Ratio y)
Ratio	exponentiate(int y)
boolean	greaterEqualP(Stella_Object y) Computes x >= y
boolean	greaterP(Stella_Object y) Computes x > y
int	hashCode_() Return a hash code for self (can be negative).
Ratio	invert()
boolean	lessEqualP(Stella_Object y) Computes x <= y
boolean	lessP(Stella_Object y) Computes x < y
static Ratio	makeRatio(int num, int denom)
Ratio	multiply(Ratio y)
Ratio	negate()
static Ratio	newRatio(int numerator, int denominator)
boolean	objectEqlP(Stella_Object y)
Surrogate	primaryType() Returns the primary type of self.
void	printObject(java.io.PrintStream stream)
Ratio	subtract(Ratio y)

Methods inherited from class edu.isi.stella.Stella_Object

_, accessInContext, amPm, anchoredTypeSpecifierP, andOrNotTreeP, applyCoercionMethod, atomicExpressionP, bindToSurrogateP, booleanP, bootstrapIsaP, bquotify, cast, characterP, clTranslateAtomicTree, clTranslateATree, clTranslateBooleanTest, clTranslatePlainBooleanTest, clTranslateVerbatimBodySymbols, clYieldTypedExpressionTree, coerceATree, coerceEvaluatedTree, coerceMvTree, coerceToBoolean, coerceToModule, coerceToModuleName, coerceToSymbol, coerceToXmlElement, coercibleP, collectFeatureList, collectKeyValueList, commonLispSymbolP, computeExpressionType, cons, consify, consifyListsAndIterators, consP, consTreeMatchP, convertToLiteral, copyConsTree, cppArgumentIsStreamP, cppBinaryOperatorP, cppBlockP, cppMaybeOutputStatementWithParentheses, cppOperatorP, cppOutputAtomicExpression, cppOutputLiteral, cppOutputOneActualParameter, cppOutputStatement, cppOutputTypedEntity, cppPrognifyStatement, cppPrognP, cppStatementToList, cppStreamIsStandardOutputP, cpptrans, cppTranslateAtomicTree, cppTranslateATree, cppTranslatedArrayTypeP, csValueP, dateDivider, dateTimeDivider, day, dealWithAmPm, dealWithEra, dealWithNoonMidn, decrementReferenceCount, defaultOptionHandler, defineSystem, defmodule, deletedP, describe, describeObject, describeTersely, destructureMethodNameTree, deUglifyParseTree, either, eqlP, eqlToBooleanP, eqlToCharacterP, eqlToFloatP, eqlToIntegerP, eqlToStringP, equalConsTreesP, equalHashCode, equalP, era, estimatedEvaluationCost, evaluate, evaluateArgumentTree, evaluateAtomicTree, evaluateCommand, expandBquoteTree, filterModuleP, floatP, free, get, getObject, hashlist, hashMemoizedArguments, helpBquotify, helpClTranslateATree, helpCoerceATree, helpLptrans, helpPrintOutline, helpTransformBooleanProceduralExpression, helpWalkATree, homeModule, hour, idlOutputAtomicExpression, idlOutputLiteral, idlOutputStatement, idlTranslateAtomicTree, idlTranslateATree, illegalTreeP, implodePathname, incrementallyTranslate, incrementReferenceCount, inlineUnwrapBoolean, inlineWrapBoolean, inModule, integerP, isaP, javaBinaryOperatorP, javaBlockP, javaEndOfLineTokenP, javaHelpOutputPrintStream, javaMaybeOutputStatementWithParentheses, javaOperatorP, javaOutputLiteral, javaOutputStatement, javaPrognP, javaStreamIsStandardOutputP, javaSymbolCaseP, javaTranslateAtomicTree, javaTranslateATree, javaTranslateWithNativeWrapper, jptrans, keywordP, kvCons, legalTokenizerFromStateP, legalTokenizerStateP, legalTokenizerToStateP, literalEqlP, logLevelLE, lptrans, makeFileNameFromRelativePath, makeMemoizedValueEntry, makeMemoizedValueEntryn, matchConsTree, methodSlotP, minute, month, nameToString, nilP, noonMidn, numberWrapperToFloat, objectEqualP, objectHashCode, one, oneI, onlyIf, parametricTypeSpecifierP, parseArrayDimensionsSpec, parseTokenizerCharacterSpec, parseTokenizerStateModifiers, permanentCopy, permanentify, permanentifyForm, po, prettyPrintLiteral, primaryClass, printOutline, printStellaCode, printStellaDefinition, printUndefinedSuperClasses, proceduralExpressionP, ptrans, publicSlots, registerRecycledItem, runOptionHandlerP, safeEqualHashCode, safeHashCode, safePrimaryType, safeYieldTypeSpecifier, searchConsTreeP, searchConsTreeWithFilterP, searchForObject, secondp, sideEffectFreeExpressionP, simplifyBquoteTree, specialp, standardObjectP, stella_Increment, stellaClassP, stellaCollectionP, stellaNeedToCompileP, stellaNeedToTranslateP, stellaObjectP, stellify, storageSlotP, stringifyInModule, stringP, substituteConsTree, substituteOnce, surrogateP, surrogatify, sweep, symbolCaseP, symbolP, sysTree, targetLanguageType, taxonomyIsaP, timeDivider, timeMultiply, tokenizerIncludeSpecP, tokenizerToStateAlias, tokenizerToStateName, toString, traceIf, traceKeywordP, transientifyForm, transientObjectP, transientSymbolP, translateWalkedTree, treeSize, treeToTrees, trueOptionP, tryToEvaluate, typeP, typify, unmake, unregisterRecycledItem, updateInContext, valuesTreeP, variableExpressionP, verbatimStringP, verbatimTreeP, vetOptions, vrletExpressionP, walkAtomicTree, walkATree, walkCollectionTree, walkDontCallMeTree, walkedExpressionType, walkExpressionTree, walkMvExpressionTree, walkMvTree, walkStatement, walkTopLevelExpression, walkWithoutTypeTree, warnAboutUnknownSourceType, weekday, withinContext, withinModule, withinWorld, withStellaTokenizer, withSystemDefinition, withTokenizer, wrapperP, wrapWhereTest, xmlAttributeP, xmlCdataFormP, xmlCdataP, xmlDeclarationFormP, xmlDeclarationP, xmlDoctypeFormP, xmlElementFormP, xmlElementP, xmlnsAttributeP, xmlProcessingInstructionFormP, xmlProcessingInstructionP, xmlTagCase, year, yieldCondTest, yieldCondTestOrTests, yieldHardcodedCaseSymbolIdOrIds, yieldInCursorClausesForArgumentList, yieldInCursorClausesForGeneralCollection, yieldInCursorClausesForVector, yieldTypeSpecifier, zone, zoneMinute

Methods inherited from class java.lang.Object

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

Field Detail

numerator

public int numerator

denominator

public int denominator

Constructor Detail

Ratio

public Ratio()

Method Detail

makeRatio

public static Ratio makeRatio(int num,
                              int denom)

newRatio

public static Ratio newRatio(int numerator,
                             int denominator)

computeUnitsForPrimeId

public static java.lang.String computeUnitsForPrimeId(Ratio pid)

computeMeasuresForPrimeId

public static Cons computeMeasuresForPrimeId(Ratio pid,
                                             java.lang.Object[] MV_returnarray)

Returns two CONSes of Measure objects for the prime ID pid

Parameters:

pid -

MV_returnarray -

Returns:

Cons

exponentiate

public Ratio exponentiate(int y)

invert

public Ratio invert()

negate

public Ratio negate()

divide

public Ratio divide(Ratio y)

multiply

public Ratio multiply(Ratio y)

subtract

public Ratio subtract(Ratio y)

add

public Ratio add(Ratio y)

greaterP

public boolean greaterP(Stella_Object y)

Computes x > y

Overrides:

greaterP in class Quantity

Parameters:

y -

Returns:

boolean

greaterEqualP

public boolean greaterEqualP(Stella_Object y)

Computes x >= y

Overrides:

greaterEqualP in class Quantity

Parameters:

y -

Returns:

boolean

lessEqualP

public boolean lessEqualP(Stella_Object y)

Computes x <= y

Overrides:

lessEqualP in class Quantity

Parameters:

y -

Returns:

boolean

lessP

public boolean lessP(Stella_Object y)

Computes x < y

Overrides:

lessP in class Quantity

Parameters:

y -

Returns:

boolean

objectEqlP

public boolean objectEqlP(Stella_Object y)

Overrides:

objectEqlP in class Stella_Object

coerceTo

public Quantity coerceTo(Stella_Object y)

Coerces y to be a compatible type with x. If this isn't possible, an exception is thrown. The exception will be either INCOMPATIBLE-QUANTITY-EXCEPTION or INCOMPATIBLE-UNITS-EXCEPTION.

Overrides:

coerceTo in class Quantity

Parameters:

y -

Returns:

Quantity

hashCode_

public int hashCode_()

Description copied from class: Stella_Object

Return a hash code for self (can be negative). Two objects that are eqlP are guaranteed to generate the same hash code. Two objects that are not eqlP do not necessarily generate different hash codes.

Overrides:

hashCode_ in class Stella_Object

Returns:

int

printObject

public void printObject(java.io.PrintStream stream)

Overrides:

printObject in class Stella_Object

accessRatioSlotValue

public static Stella_Object accessRatioSlotValue(Ratio self,
                                                 Symbol slotname,
                                                 Stella_Object value,
                                                 boolean setvalueP)

primaryType

public Surrogate primaryType()

Description copied from class: Stella_Object

Returns the primary type of self. Gets defined automatically for every non-abstract subclass of OBJECT.

Overrides:

primaryType in class Stella_Object

Returns:

Surrogate