3.10. __nv_atan
Prototype:
double @__nv_atan(double %x)
Description:
Calculate the principal value of the arc tangent of the input argument x.
Returns:
Result will be in radians, in the interval [-
/2, +
/2].
-
__nv_atan(0) returns +0.
Note:
For accuracy information for this function see the CUDA C Programming Guide, Appendix D.1, Table 7.
Library Availability:
Compute 2.0: Yes
Compute 3.0: Yes
Compute 3.5: Yes