This document includes math equations (highlighted in red) which are best viewed with Firefox version 4.0 or higher, or another MathML-aware browser. There is also a PDF version of this document.
libdevice User's Guide (PDF) - CUDA Toolkit v5.5 for POWER8 (older) - Last updated January 10, 2015 - Send Feedback

3.83. __nv_erff

Prototype:

float @__nv_erff(float %x) 

Description:

Calculate the value of the error function for the input argument x, 2 π 0 x e t 2 d t .

Returns:

  • __nv_erff( ± 0 ) returns ± 0 .

  • __nv_erff( ± ) returns ± 1 .

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 January 10, 2015 - Send Feedback