`flloggamma``x`procedureReturns two values, log |Γ(

`x`)| without internal overflow, and the sign of Γ(`x`) as 1.0 if it is positive and -1.0 if it is negative. (C99`lgamma`)

`flloggamma``x`procedureReturns two values, log |Γ(

`x`)| without internal overflow, and the sign of Γ(`x`) as 1.0 if it is positive and -1.0 if it is negative. (C99`lgamma`)