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libdevice User's Guide (PDF) - CUDA Toolkit v5.5 for POWER8 (older) - Last updated October 16, 2014 - Send Feedback

3.282. __nv_sqrtf

Prototype:

float @__nv_sqrtf(float %x) 

Description:

Calculate the nonnegative square root of x, x .

Returns:

Returns x .
  • __nv_sqrtf( ± 0 ) returns ± 0 .

  • __nv_sqrtf( + ) returns + .

  • __nv_sqrtf(x) returns NaN if x is less than 0.

Note:

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

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes


libdevice User's Guide (PDF) - CUDA Toolkit v5.5 for POWER8 (older) - Last updated October 16, 2014 - Send Feedback