3.196. __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 see the CUDA C++ Programming Guide, Mathematical Functions Appendix, Single-Precision Floating-Point Functions section.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes