float function ( ) { float loc0 = getVariance ( ) ; if ( loc0 < 0 ) throw new Error ( Error . PACKAGE . ALGORITHM , ErrorCodes . STATISTICS_VARIANCE_LESS_THAN_ZERO , new Float ( loc0 ) . toString ( ) , null , null ) ; return ( float ) Math . sqrt ( loc0 ) ; }
return standard deviation , times 256 using newton 's iteration . concode_field_sep float fVariance concode_elem_sep float fMean concode_field_sep float getVariance concode_elem_sep float getMean concode_elem_sep void push