DecimalValue(BigDecimal bigDecimal) constructor

It seems to me that there should be a minus sign added to the exponent in DecimalValue(BigDecimal bigDecimal) constructor:

public DecimalValue(BigDecimal bigDecimal)

{ this.mantissa = bigDecimal.unscaledValue().longValue(); this.exponent = bigDecimal.scale(); }

should be replaced with:

public DecimalValue(BigDecimal bigDecimal)

{ this.mantissa = bigDecimal.unscaledValue().longValue(); this.exponent = -bigDecimal.scale(); }

This is because toBigDecimal() function reverses sign of exponent:

public BigDecimal toBigDecimal()

{ return new BigDecimal(BigInteger.valueOf(mantissa), -exponent); }