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libdevice User's Guide (PDF) - CUDA Toolkit v5.5 (older) - Last updated July 19, 2013 - Send Feedback

3.73. __nv_dsqrt_rn

Prototype:

double @__nv_dsqrt_rn(double %x) 

Description:

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

Returns:

Returns x .

Note:

For accuracy information for this function see the CUDA C Programming Guide, Appendix C, Table C-2.

Requires compute capability >= 2.0.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes


libdevice User's Guide (PDF) - CUDA Toolkit v5.5 (older) - Last updated July 19, 2013 - Send Feedback