3.28. __nv_cosf

float @__nv_cosf(float %x)

Calculate the cosine of the input argument.

Calculate the cosine of the input argument x (measured in radians).

Note

For accuracy information, see the CUDA C++ Programming Guide, Mathematical Functions Appendix, Single-Precision Floating-Point Functions section.

Returns

  • __nv_cosf( \(\pm 0\) ) returns 1.

  • __nv_cosf( \(\pm \infty\) ) returns NaN.