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libdevice User's Guide
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CUDA Toolkit v5.5 for POWER8
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3.107. __nv_fast_powf
Prototype:
float @__nv_fast_powf(float %x, float %y)
Description:
Calculate the fast approximate of x, the first input argument, raised to the power of y, the second input argument, .
Returns:
Returns an approximation to .
Note:
For accuracy information for this function see the CUDA C Programming Guide, Appendix C, Table C-4.
Most input and output values around denormal range are flushed to sign preserving 0.0.
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