gnu.kawa.functions
Class NumberCompare

java.lang.Object
  gnu.mapping.PropertySet
      gnu.mapping.Procedure
          gnu.mapping.ProcedureN
              gnu.kawa.functions.NumberCompare

All Implemented Interfaces:

CanInline, Inlineable, Named

public class NumberCompare
extends ProcedureN
implements CanInline, Inlineable

This implements the numeric comparison relations: <, <=, etc.

Field Summary

static int	TRUE_IF_EQU
static int	TRUE_IF_GRT
static int	TRUE_IF_LSS
static int	TRUE_IF_NAN
static int	TRUE_IF_NEQ

Fields inherited from class gnu.mapping.ProcedureN

noArgs

Constructor Summary

NumberCompare()

Method Summary

static boolean	$Eq(java.lang.Object arg1, java.lang.Object arg2)
static boolean	$Eq$V(java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object[] rest)
static boolean	$Gr(java.lang.Object arg1, java.lang.Object arg2)
static boolean	$Gr$Eq(java.lang.Object arg1, java.lang.Object arg2)
static boolean	$Gr$Eq$V(java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object[] rest)
static boolean	$Gr$V(java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object[] rest)
static boolean	$Ls(java.lang.Object arg1, java.lang.Object arg2)
static boolean	$Ls$Eq(java.lang.Object arg1, java.lang.Object arg2)
static boolean	$Ls$Eq$V(java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object[] rest)
static boolean	$Ls$V(java.lang.Object arg1, java.lang.Object arg2, java.lang.Object arg3, java.lang.Object[] rest)
static boolean	apply2(int flags, java.lang.Object arg1, java.lang.Object arg2)
java.lang.Object	apply2(java.lang.Object arg1, java.lang.Object arg2)
java.lang.Object	applyN(java.lang.Object[] args)
static boolean	applyWithPromotion(int flags, java.lang.Object arg1, java.lang.Object arg2)
static boolean	checkCompareCode(int code, int flags)
static int	compare(java.lang.Object arg1, int code1, java.lang.Object arg2, int code2, boolean exact)
static int	compare(java.lang.Object arg1, java.lang.Object arg2, boolean exact) Compare two numbers.
void	compile(ApplyExp exp, Compilation comp, Target target)
protected Language	getLanguage()
Type	getReturnType(Expression[] args)
Expression	inline(ApplyExp exp, ExpWalker walker) Inline an application of this Procedure and return result.
static NumberCompare	make(Language language, java.lang.String name, int flags)
int	numArgs() Return minArgs()|(maxArgs<<12).

Methods inherited from class gnu.mapping.ProcedureN

apply0, apply1, apply3, apply4

Methods inherited from class gnu.mapping.Procedure

apply, apply, check0, check1, check2, check3, check4, checkArgCount, checkN, getSetter, getSourceLocation, match0, match1, match2, match3, match4, matchN, maxArgs, minArgs, set0, set1, setN, setSetter, setSourceLocation, toString

Methods inherited from class gnu.mapping.PropertySet

getName, getProperty, getSymbol, removeProperty, setName, setProperty, setProperty, setSymbol

Methods inherited from class java.lang.Object

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

Field Detail

TRUE_IF_GRT

public static final int TRUE_IF_GRT

See Also:

Constant Field Values

TRUE_IF_EQU

public static final int TRUE_IF_EQU

See Also:

Constant Field Values

TRUE_IF_LSS

public static final int TRUE_IF_LSS

See Also:

Constant Field Values

TRUE_IF_NAN

public static final int TRUE_IF_NAN

See Also:

Constant Field Values

TRUE_IF_NEQ

public static final int TRUE_IF_NEQ

See Also:

Constant Field Values

Constructor Detail

NumberCompare

public NumberCompare()

Method Detail

numArgs

public int numArgs()

Description copied from class: Procedure

Return minArgs()|(maxArgs<<12).

Overrides:

numArgs in class Procedure

$Eq

public static boolean $Eq(java.lang.Object arg1,
                          java.lang.Object arg2)

$Gr

public static boolean $Gr(java.lang.Object arg1,
                          java.lang.Object arg2)

$Gr$Eq

public static boolean $Gr$Eq(java.lang.Object arg1,
                             java.lang.Object arg2)

$Ls

public static boolean $Ls(java.lang.Object arg1,
                          java.lang.Object arg2)

$Ls$Eq

public static boolean $Ls$Eq(java.lang.Object arg1,
                             java.lang.Object arg2)

$Eq$V

public static boolean $Eq$V(java.lang.Object arg1,
                            java.lang.Object arg2,
                            java.lang.Object arg3,
                            java.lang.Object[] rest)

$Gr$V

public static boolean $Gr$V(java.lang.Object arg1,
                            java.lang.Object arg2,
                            java.lang.Object arg3,
                            java.lang.Object[] rest)

$Gr$Eq$V

public static boolean $Gr$Eq$V(java.lang.Object arg1,
                               java.lang.Object arg2,
                               java.lang.Object arg3,
                               java.lang.Object[] rest)

$Ls$V

public static boolean $Ls$V(java.lang.Object arg1,
                            java.lang.Object arg2,
                            java.lang.Object arg3,
                            java.lang.Object[] rest)

$Ls$Eq$V

public static boolean $Ls$Eq$V(java.lang.Object arg1,
                               java.lang.Object arg2,
                               java.lang.Object arg3,
                               java.lang.Object[] rest)

make

public static NumberCompare make(Language language,
                                 java.lang.String name,
                                 int flags)

getLanguage

protected final Language getLanguage()

apply2

public java.lang.Object apply2(java.lang.Object arg1,
                               java.lang.Object arg2)

Overrides:

apply2 in class ProcedureN

apply2

public static boolean apply2(int flags,
                             java.lang.Object arg1,
                             java.lang.Object arg2)

checkCompareCode

public static boolean checkCompareCode(int code,
                                       int flags)

applyWithPromotion

public static boolean applyWithPromotion(int flags,
                                         java.lang.Object arg1,
                                         java.lang.Object arg2)

compare

public static int compare(java.lang.Object arg1,
                          java.lang.Object arg2,
                          boolean exact)

Compare two numbers.

Parameters:

exact - true if we should compare exact/inexact numbers exactly (by converting the inexact number to exact), or inexactly (by "promoting" the exact to inexact) (as required for XQuery).

Returns:

1 if arg1>arg2; 0 if arg1==arg2; -1 if arg1<arg2; -2 if either is NaN; -3 if not comparable (either is not a number).

compare

public static int compare(java.lang.Object arg1,
                          int code1,
                          java.lang.Object arg2,
                          int code2,
                          boolean exact)

applyN

public java.lang.Object applyN(java.lang.Object[] args)

Specified by:

applyN in class ProcedureN

inline

public Expression inline(ApplyExp exp,
                         ExpWalker walker)

Description copied from interface: CanInline

Inline an application of this Procedure and return result. Can return original expression.

Specified by:

inline in interface CanInline

compile

public void compile(ApplyExp exp,
                    Compilation comp,
                    Target target)

Specified by:

compile in interface Inlineable

getReturnType

public Type getReturnType(Expression[] args)

Specified by:

getReturnType in interface Inlineable