Problem : can't use atan() float function

This one line :
#declare test=atan(1);

Gives this :
#declare test=atan <----ERROR

Parse Error: Expected 'RValue to declare', atan found instead



... and this one-liner :
#declare test=1+atan(1);

Gives this :
#declare test=1+atan <----ERROR

Parse Error: Expected 'numeric expression', atan found instead



Workaround : use atan2(,) which works fine



Sys info :
POV-Ray 3.5 b1
Win 2k pro sp2
Ahtlon 1.2 GHz
512 MB DDR


Sorry if this is documented somewhere, I did not RTFM completely (but I did
an "atan" search on the doc and here)


Povingly,


Philippe

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