3.201. __nv_lgamma
Prototype:
double @__nv_lgamma(double %x)
Description:
Calculate the natural logarithm of the absolute value of the gamma function of the input argument x, namely the value of
Returns:
-
__nv_lgamma(1) returns +0.
-
__nv_lgamma(2) returns +0.
-
__nv_lgamma(x) returns if the correctly calculated value is outside the double floating point range.
-
__nv_lgamma(x) returns if x 0.
-
__nv_lgamma( ) returns .
-
__nv_lgamma( ) returns .
For accuracy information for this function see the CUDA C Programming Guide, Appendix D.1, Table 7.
Library Availability:
Compute 2.0: Yes
Compute 3.0: Yes
Compute 3.5: Yes