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 (older) - Last updated May 11, 2013 - Send Feedback

3.202. __nv_j1f

Prototype:

float @__nv_j1f(float %x) 

Description:

Calculate the value of the Bessel function of the first kind of order 1 for the input argument x, J 1 ( x ) .

Returns:

Returns the value of the Bessel function of the first kind of order 1.
  • __nv_j1f( ± 0 ) returns ± 0 .

  • __nv_j1f( ± ) returns +0.

  • __nv_j1f(NaN) returns NaN.

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 (older) - Last updated May 11, 2013 - Send Feedback