Class Int128Math

java.lang.Object

io.trino.spi.type.Int128Math

public final class Int128Math
extends Object

128 bit int arithmetic using two's complement representation

Method Summary

Modifier and Type	Method	Description
static Int128	absExact(Int128 value)
static void	add(long leftHigh, long leftLow, long rightHigh, long rightLow, long[] result, int offset)
static long	addWithOverflow(long leftHigh, long leftLow, long rightHigh, long rightLow, long[] decimal, int offset)
static int	compareAbsolute(long leftLow, long leftHigh, long rightLow, long rightHigh)
static int	compareAbsolute(Int128 left, Int128 right)
static Int128	divideRoundUp(long dividendHigh, long dividendLow, int dividendScaleFactor, long divisorHigh, long divisorLow, int divisorScaleFactor)
static Int128	floorDiv(Int128 dividend, Int128 divisor)
static Int128	multiply(long left, long right)
static Int128	multiply(long leftHigh, long leftLow, long rightHigh, long rightLow)
static Int128	multiply(Int128 left, long right)
static Int128	multiply(Int128 left, Int128 right)
static Int128	negate(Int128 value)
static Int128	negateExact(Int128 value)
static Int128	powerOfTen(int exponent)
static Int128	remainder(long dividendHigh, long dividendLow, int dividendScaleFactor, long divisorHigh, long divisorLow, int divisorScaleFactor)
static void	rescale(long high, long low, int factor, long[] result, int offset)
static Int128	rescale(Int128 decimal, int rescaleFactor)
static void	rescaleTruncate(long high, long low, int rescaleFactor, long[] result, int offset)
static Int128	rescaleTruncate(Int128 decimal, int rescaleFactor)
static void	shiftLeft(long[] decimal, int shift)
static void	subtract(long leftHigh, long leftLow, long rightHigh, long rightLow, long[] result, int offset)
static Int128	subtract(Int128 left, Int128 right)

Methods inherited from class java.lang.Object

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

Method Details

powerOfTen

public static Int128 powerOfTen(int exponent)

rescale

public static void rescale(long high,
 long low,
 int factor,
 long[] result,
 int offset)

rescale

public static Int128 rescale(Int128 decimal,
 int rescaleFactor)

rescaleTruncate

public static void rescaleTruncate(long high,
 long low,
 int rescaleFactor,
 long[] result,
 int offset)

rescaleTruncate

public static Int128 rescaleTruncate(Int128 decimal,
 int rescaleFactor)

add

public static void add(long leftHigh,
 long leftLow,
 long rightHigh,
 long rightLow,
 long[] result,
 int offset)

addWithOverflow

public static long addWithOverflow(long leftHigh,
 long leftLow,
 long rightHigh,
 long rightLow,
 long[] decimal,
 int offset)

subtract

public static void subtract(long leftHigh,
 long leftLow,
 long rightHigh,
 long rightLow,
 long[] result,
 int offset)

subtract

public static Int128 subtract(Int128 left,
 Int128 right)

multiply

public static Int128 multiply(Int128 left,
 Int128 right)

multiply

public static Int128 multiply(long leftHigh,
 long leftLow,
 long rightHigh,
 long rightLow)

multiply

public static Int128 multiply(Int128 left,
 long right)

multiply

public static Int128 multiply(long left,
 long right)

compareAbsolute

public static int compareAbsolute(Int128 left,
 Int128 right)

compareAbsolute

public static int compareAbsolute(long leftLow,
 long leftHigh,
 long rightLow,
 long rightHigh)

absExact

public static Int128 absExact(Int128 value)

negate

public static Int128 negate(Int128 value)

negateExact

public static Int128 negateExact(Int128 value)

floorDiv

public static Int128 floorDiv(Int128 dividend,
 Int128 divisor)

divideRoundUp

public static Int128 divideRoundUp(long dividendHigh,
 long dividendLow,
 int dividendScaleFactor,
 long divisorHigh,
 long divisorLow,
 int divisorScaleFactor)

shiftLeft

public static void shiftLeft(long[] decimal,
 int shift)

remainder

public static Int128 remainder(long dividendHigh,
 long dividendLow,
 int dividendScaleFactor,
 long divisorHigh,
 long divisorLow,
 int divisorScaleFactor)