3.227. __nv_logf
Prototype:
float @__nv_logf(float %x)
Description:
Calculate the base logarithm of the input argument x.
Returns:
-
__nv_logf( ) returns .
-
__nv_logf(1) returns +0.
-
__nv_logf(x) returns NaN for x < 0.
-
__nv_logf( ) returns
For accuracy information for this function see the CUDA C Programming Guide, Appendix D.1, Table 6.
Library Availability:
Compute 2.0: Yes
Compute 3.0: Yes
Compute 3.5: Yes