__device__ float j0f ( float  x  ) 

Calculate the value of the Bessel function of the first kind of order 0 for the input argument x, $J_0(x)$.

Returns:
Returns the value of the Bessel function of the first kind of order 0.
  • j0f($\pm \infty$) returns +0.
  • j0f(NaN) returns NaN.
Note:
For accuracy information for this function see the CUDA C Programming Guide, Appendix C, Table C-1.


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