Definition: <m>(x-x_0)^2-(y-y_0)^2/R^2-(z-z_0)^2/R^2</m>
Call: hfConeX(x,center,R);
Parameters:
x - point coordinates array
center - cone apex array
R - cone radius at height=1
Test file: cone.hf
Definition: <m>(y-y_0)^2-(x-x_0)^2/R^2-(z-z_0)^2/R^2</m>
Call: hfConeY(x,center,R);
Parameters:
x - point coordinates array
center - cone apex array
R - cone radius at height=1
Test file: cone.hf
Definition: <m>(z-z_0)^2-(x-x_0)^2/R^2-(y-y_0)^2/R^2</m>
Call: hfConeZ(x,center,R);
Parameters:
x - point coordinates array
center - cone apex array
R - cone radius at height=1
Test file: cone.hf