3.5. __nv_acoshf

Prototype: 

float @__nv_acoshf(float %x)

Description:

Calculate the nonnegative arc hyperbolic cosine of the input argument x.

Returns:

Result will be in the interval [0, + ∞ ].

  • __nv_acoshf(1) returns 0.

  • __nv_acoshf(x) returns NaN for x in the interval [ − ∞ , 1).

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