[pstricks] inverse functions

[Herbert Voss]

Jacques L'helgoualc'h schrieb:
 > Herbert Voss a écrit, mardi 30 septembre 2003, à 06:39 :
 >
 >>Bhaskaracharya Pratishthana schrieb:
 >>
 >>
 >>>To understand it more clearly, I need to know more about atan function
 >>>in postscript.
 >>
 >>Alpha=arctan(y/x),  where x|y is a point in the cartesian
 >>coordinate system.
 >
 >
 > Unfortunately, atan value is not in [-90;+90], but in [0;180] :-/

it is in a range of [0;360], which makes some sense,
when using the atan with nominator and denominator

Herbert


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