Intel® Fortran Compiler 17.0 Developer Guide and Reference
Elemental Intrinsic Function (Generic): Returns the logarithm of the absolute value of the gamma function of the argument.
result = LOG_GAMMA (x)
x |
(Input) Must be of type real. It must not be zero or a negative integer. |
The result type and kind are the same as x.
The result has a value equal to a processor-dependent approximation to the natural logarithm of the absolute value of the gamma function of x.
LOG_GAMMA (3.0) has the approximate value 0.693.