4.3.6 slrat

1.
Function
The margins are taken so that all of the frames on the current level have the maximum size with the specified aspect ratio.
2.
Call
NumRu::DCL.slrat(rx,ry)
3.
Explanation of Parameters
rx, ry (R) Gives the aspect ratio of a frame. For example, if RX=1.0 and ry=1.0, the margins are taken so that the largest possible square frame is set.
4.
Notes
(a)
Must be: RX, RY>0.