Q_ATanQuad()
Syntax
Pointer
to qfloat = Q_ATanQuad(x.qfloat,
y.qfloat [, result.qfloat])
Description
Calculates
the Arcus Tangent of Y/X, i.e. the angle between the Line from 0|0 to X|Y and
the X Axis.
The result is stored in n1 or, if the optional parameter is given, in result.