3.11. __nv_atan2
Prototype:
double @__nv_atan2(double %x, double %y)
Description:
Calculate the principal value of the arc tangent of the ratio of first and second input arguments x / y. The quadrant of the result is determined by the signs of inputs x and y.
Returns:
Result will be in radians, in the interval [-
/, +
].
-
__nv_atan2(0, 1) 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