

#include <nitro/fx/fx_trig.h>
u16 FX_AtanIdx( fx32 x );
| x | fx32-format fixed-point decimal. |
Arctangent of x
This determines the arctangent of x. The results are returned in a u16 format. The units of the result are equal to 1/65536 of a circle (2 π radians). (Example: A right angle would be 16384.) Internally, a table is referenced.
FX_Atan, FX_Atan2, FX_Atan2Idx, FX_AsinIdx, FX_AcosIdx
2004/06/16 Initial version.
CONFIDENTIAL