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LOG_GAMMA
— Logarithm of the Gamma functionLOG_GAMMA(X)
computes the natural logarithm of the absolute value
of the Gamma (\Gamma) function.
X = LOG_GAMMA(X)
X | Shall be of type REAL and neither zero
nor a negative integer.
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REAL
of the same kind as X.
program test_log_gamma real :: x = 1.0 x = lgamma(x) ! returns 0.0 end program test_log_gamma
Name | Argument | Return type | Standard
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LGAMMA(X) | REAL(4) X | REAL(4) | GNU Extension
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ALGAMA(X) | REAL(4) X | REAL(4) | GNU Extension
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DLGAMA(X) | REAL(8) X | REAL(8) | GNU Extension
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