LOG_GAMMA

Elemental Intrinsic Function (Generic): Returns the logarithm of the absolute value of the gamma function of the argument.

構文

result = LOG_GAMMA (x)

x

(Input) Must be of type real. It must not be zero or a negative integer.

Results

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.


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