[f0sresult,x]=f0s(x);

function [f0sresult,x]=f0s(x);
f0sresult=[];

;
f0sresult = 0.0;
if( x~=0.0 )
f0sresult = 1.0./sqrt(x);
end;
csnil=dbstack(1); csnil=csnil(1).name(1)~='@';
if csnil&&~isempty(inputname(1)), assignin('caller','FUntemp',x); evalin('caller',[inputname(1),'=FUntemp;']); end
end %function f0s