3.180. __nv_frsqrt_rn

float @__nv_frsqrt_rn(float %x)

Compute \(1/\sqrt{x}\) in round-to-nearest-even mode.

Compute the reciprocal square root of x in round-to-nearest-even mode.

Note

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

Returns

Returns \(1/\sqrt{x}\).