public static BigDecimal mantissa(BigDecimal value) {
		int exponent = exponent(value);
		if (exponent == 0) {
			return value;
		}

		return value.movePointLeft(exponent);
	}
public static BigDecimal mantissa ( BigDecimal value ) { int exponent = exponent ( value ) ; if ( exponent == 0 ) { return value ; } return value . movePointLeft ( exponent ) ; }
Returns the mantissa of the specified {@link BigDecimal} written as <em>mantissa * 10<sup>exponent</sup></em>.

<p>The mantissa is defined as having exactly 1 digit before the decimal point.</p>

@param value the {@link BigDecimal}
@return the mantissa
@see #exponent(BigDecimal)