3.110. __nv_fast_expf

float @__nv_fast_expf(float %x)

Calculate the fast approximate base \(e\) exponential of the input argument.

Calculate the fast approximate base \(e\) exponential of the input argument x, \(e^x\).

Note

For accuracy information, see the CUDA C++ Programming Guide, Mathematical Functions Appendix, Intrinsic Functions section.

Note

Most input and output values around denormal range are flushed to sign preserving 0.0.