atan2

   Format

     #include  <math.h>

     double atan2  (double y, double x);

     float atan2f  (float y, float x); (Integrity servers, Alpha)

     long double atan2l  (long double y, long double x);

                         (Integrity servers, Alpha)

     double atand2  (double y, double x);

                    (Integrity servers, Alpha)

     float atand2f  (float y, float x); (Integrity servers, Alpha)

     long double atand2l  (long double y, long double x);

                          (Integrity servers, Alpha)
 

Additional information available:

Arguments       Description