$emptysinesum
$emptysinesum is replaced by $emptyperiodshape since $emptyperiodshape can cover the same setting function. The types 5-8 $emptyperiodshape are similar to this function.
$emptysinesum is replaced by $emptyperiodshape since $emptyperiodshape can cover the same setting function. The types 5-8 $emptyperiodshape are similar to this function.