3.243. __nv_normcdff

Prototype: 

float @__nv_normcdff(float %x)

Description:

Calculate the cumulative distribution function of the standard normal distribution for input argument y, Φ ( y ) .

Returns:

  • __nv_normcdff( + ∞ ) returns 1

  • __nv_normcdff( − ∞ ) returns +0

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