| public unscaledValue ( ) : global::java.math.BigInteger | ||
| Résultat | global::java.math.BigInteger | |
/**
* Creates a rational number of the specified {@link BigDecimal} value.
*
* @param value the double value
* @return the rational number
*/
public static BigRational valueOf(BigDecimal value)
{
if (value.compareTo(BigDecimal.ZERO) == 0)
{
return(ZERO);
}
if (value.compareTo(BigDecimal.ONE) == 0)
{
return(ONE);
}
int scale = value.scale();
if (scale == 0)
{
return(new BigRational(value, BigDecimal.ONE));
}
else if (scale < 0)
{
BigDecimal n = new BigDecimal(value.unscaledValue()).multiply(BigDecimal.ONE.movePointLeft(value.scale()));
return(new BigRational(n, BigDecimal.ONE));
}
else
{
BigDecimal n = new BigDecimal(value.unscaledValue());
BigDecimal d = BigDecimal.ONE.movePointRight(value.scale());
return(new BigRational(n, d));
}
}
