implementation of : g s = - 3/4 s3 + 3/2 s2 + 1/4 s , with s from 0 to 1 concode_field_sep PlaceHolder placeHolder concode_field_sep int ranInt concode_elem_sep BufferedImage getDistortedImage
double function ( double arg0 ) { if ( arg0 < 0.0D ) return 0.0D ; if ( arg0 > 1.0D ) return arg0 ; else return - 0.75D * arg0 * arg0 * arg0 + 1.5D * arg0 * arg0 + 0.25D * arg0 ; }