Package org.codehaus.groovy.runtime.typehandling

Class IntegerMath

java.lang.Object

org.codehaus.groovy.runtime.typehandling.NumberMath

org.codehaus.groovy.runtime.typehandling.IntegerMath

public final class IntegerMath
extends NumberMath

32-bit integer (int) arithmetic operations.

Singleton instance providing NumberMath implementations for int-based operations. Supports all standard operations: addition, subtraction, multiplication, integer division, comparison, and bitwise operations.

Field Summary

Fields

Modifier and Type	Field	Description
static final IntegerMath	INSTANCE	Singleton instance of IntegerMath.

Method Summary

Modifier and Type	Method	Description
Number	absImpl(Number number)	Computes the absolute value of a number.
Number	addImpl(Number left, Number right)	Adds two numbers.
Number	andImpl(Number left, Number right)	Bitwise AND of two numbers.
Number	bitwiseNegateImpl(Number left)	Bitwise negation of a number.
int	compareToImpl(Number left, Number right)	Compares two numbers.
Number	divideImpl(Number left, Number right)	Divides two numbers.
Number	intdivImpl(Number left, Number right)	Integer division of two numbers.
Number	leftShiftImpl(Number left, Number right)	Left shift of a number.
Number	modImpl(Number left, Number right)	Modulo of two numbers.
Number	multiplyImpl(Number left, Number right)	Multiplies two numbers.
Number	orImpl(Number left, Number right)	Bitwise OR of two numbers.
Number	remainderImpl(Number left, Number right)	Remainder of two numbers.
Number	rightShiftImpl(Number left, Number right)	Right shift of a number.
Number	rightShiftUnsignedImpl(Number left, Number right)	Unsigned right shift of a number.
Number	subtractImpl(Number left, Number right)	Subtracts two numbers.
Number	unaryMinusImpl(Number left)	Negates a number.
Number	unaryPlusImpl(Number left)	Returns the number as-is (unary plus/identity).
Number	xorImpl(Number left, Number right)	Bitwise XOR of two numbers.

Methods inherited from class org.codehaus.groovy.runtime.typehandling.NumberMath

abs, add, and, bitwiseNegate, compareTo, createUnsupportedException, divide, getMath, intdiv, isBigDecimal, isBigInteger, isByte, isFloatingPoint, isInteger, isLong, isShort, leftShift, mod, multiply, or, remainder, rightShift, rightShiftUnsigned, subtract, toBigDecimal, toBigInteger, unaryMinus, unaryPlus, xor

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final IntegerMath INSTANCE

Singleton instance of IntegerMath.

Method Details

absImpl

public Number absImpl(Number number)

Description copied from class: NumberMath

Computes the absolute value of a number.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

absImpl in class NumberMath

Parameters:

number - the operand

Returns:

the absolute value

addImpl

public Number addImpl(Number left,
 Number right)

Description copied from class: NumberMath

Adds two numbers.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

addImpl in class NumberMath

Parameters:

left - the left operand

right - the right operand

Returns:

the sum

subtractImpl

public Number subtractImpl(Number left,
 Number right)

Description copied from class: NumberMath

Subtracts two numbers.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

subtractImpl in class NumberMath

Parameters:

left - the minuend

right - the subtrahend

Returns:

the difference

multiplyImpl

public Number multiplyImpl(Number left,
 Number right)

Description copied from class: NumberMath

Multiplies two numbers.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

multiplyImpl in class NumberMath

Parameters:

left - the first multiplicand

right - the second multiplicand

Returns:

the product

divideImpl

public Number divideImpl(Number left,
 Number right)

Description copied from class: NumberMath

Divides two numbers.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

divideImpl in class NumberMath

Parameters:

left - the dividend

right - the divisor

Returns:

the quotient

compareToImpl

public int compareToImpl(Number left,
 Number right)

Description copied from class: NumberMath

Compares two numbers.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

compareToImpl in class NumberMath

Parameters:

left - the first number

right - the second number

Returns:

negative, zero, or positive as left is less than, equal to, or greater than right

orImpl

public Number orImpl(Number left,
 Number right)

Description copied from class: NumberMath

Bitwise OR of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting bitwise operations must override.

Overrides:

orImpl in class NumberMath

Parameters:

left - the first operand

right - the second operand

Returns:

the bitwise OR result

andImpl

public Number andImpl(Number left,
 Number right)

Description copied from class: NumberMath

Bitwise AND of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting bitwise operations must override.

Overrides:

andImpl in class NumberMath

Parameters:

left - the first operand

right - the second operand

Returns:

the bitwise AND result

xorImpl

public Number xorImpl(Number left,
 Number right)

Description copied from class: NumberMath

Bitwise XOR of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting bitwise operations must override.

Overrides:

xorImpl in class NumberMath

Parameters:

left - the first operand

right - the second operand

Returns:

the bitwise XOR result

intdivImpl

public Number intdivImpl(Number left,
 Number right)

Description copied from class: NumberMath

Integer division of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting integer division must override.

Overrides:

intdivImpl in class NumberMath

Parameters:

left - the dividend

right - the divisor

Returns:

the integer quotient

modImpl

public Number modImpl(Number left,
 Number right)

Description copied from class: NumberMath

Modulo of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting modulo must override.

Overrides:

modImpl in class NumberMath

Parameters:

left - the dividend

right - the divisor

Returns:

the modulo result

remainderImpl

public Number remainderImpl(Number left,
 Number right)

Description copied from class: NumberMath

Remainder of two numbers.

Default implementation throws UnsupportedOperationException. Subclasses supporting remainder must override.

Overrides:

remainderImpl in class NumberMath

Parameters:

left - the dividend

right - the divisor

Returns:

the remainder

unaryMinusImpl

public Number unaryMinusImpl(Number left)

Description copied from class: NumberMath

Negates a number.

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

unaryMinusImpl in class NumberMath

Parameters:

left - the operand

Returns:

the negation

unaryPlusImpl

public Number unaryPlusImpl(Number left)

Description copied from class: NumberMath

Returns the number as-is (unary plus/identity).

Subclasses must implement this method according to type promotion hierarchy rules.

Specified by:

unaryPlusImpl in class NumberMath

Parameters:

left - the operand

Returns:

the same value

bitwiseNegateImpl

public Number bitwiseNegateImpl(Number left)

Description copied from class: NumberMath

Bitwise negation of a number.

Default implementation throws UnsupportedOperationException. Subclasses supporting bitwise operations must override.

Overrides:

bitwiseNegateImpl in class NumberMath

Parameters:

left - the operand

Returns:

the bitwise negation

leftShiftImpl

public Number leftShiftImpl(Number left,
 Number right)

Description copied from class: NumberMath

Left shift of a number.

Default implementation throws UnsupportedOperationException. Subclasses supporting bit shifting must override.

Overrides:

leftShiftImpl in class NumberMath

Parameters:

left - the value to shift

right - the shift distance

Returns:

the left-shifted value

rightShiftImpl

public Number rightShiftImpl(Number left,
 Number right)

Description copied from class: NumberMath

Right shift of a number.

Default implementation throws UnsupportedOperationException. Subclasses supporting bit shifting must override.

Overrides:

rightShiftImpl in class NumberMath

Parameters:

left - the value to shift

right - the shift distance

Returns:

the right-shifted value

rightShiftUnsignedImpl

public Number rightShiftUnsignedImpl(Number left,
 Number right)

Description copied from class: NumberMath

Unsigned right shift of a number.

Default implementation throws UnsupportedOperationException. Subclasses supporting bit shifting must override.

Overrides:

rightShiftUnsignedImpl in class NumberMath

Parameters:

left - the value to shift

right - the shift distance

Returns:

the unsigned right-shifted value