__device__ float sinpif ( float  x  ) 

Calculate the sine of x$\times \pi$ (measured in radians), where x is the input argument.

Returns:
  • sinpif($\pm 0$) returns $\pm 0$.
  • sinpif($\pm \infty$) returns NaN.
Note:
For accuracy information for this function see the CUDA C Programming Guide, Appendix C, Table C-1.


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