Java BigDecimal Subtract subUlp(BigDecimal x)

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Description

sub Ulp

License

Open Source License

Declaration 

public static BigDecimal subUlp(BigDecimal x)

Method Source Code


//package com.java2s;
//License from project: Open Source License 

import java.math.BigDecimal;
import java.math.BigInteger;

public class Main {
    public static BigDecimal subUlp(BigDecimal x) {
        BigInteger unscaledValue = x.unscaledValue();
        unscaledValue = unscaledValue.subtract(BigInteger.ONE);
        return new BigDecimal(unscaledValue, x.scale());
    }//  ww  w .j a va  2s.  co  m
}

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