3.74. __nv_drcp_ru

double @__nv_drcp_ru(double %x)

Compute \(\frac{1}{x}\) in round-up mode.

Compute the reciprocal of x in round-up (to positive infinity) mode.

Note

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

Note

Requires compute capability >= 2.0.

Returns

Returns \(\frac{1}{x}\).