lngamma x
i1 : lngamma 2.1 o1 = .04543773854448518 o1 : RR (of precision 53)
i2 : lngamma(-1.1) o2 = 2.273651152924463 o2 : RR (of precision 53)
i3 : lngamma(-2.1) o3 = 1.531713808195086+3.141592653589793*ii o3 : CC (of precision 53)
i4 : lngamma (-2.000000000000000000000000000000001p120) o4 = 75.29308515659711265950622174439893398+ 3.141592653589793238462643383279502885*ii o4 : CC (of precision 120)
The object lngamma is a method function.