3.85. __nv_erfinvf

Prototype: 

float @__nv_erfinvf(float %x)

Description:

Calculate the inverse error function of the input argument y, for y in the interval [-1, 1]. The inverse error function finds the value x that satisfies the equation y = erf(x), for − 1 ≤ y ≤ 1 , and − ∞ ≤ x ≤ ∞ .

Returns:

  • __nv_erfinvf(1) returns + ∞ .

  • __nv_erfinvf(-1) returns − ∞ .

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