2366	 Complex Gamma Function with Error Control	 An algorithm to compute the gamma function and log gamma function of a complex variable is presented. The standard algorithm is modified in several respects to insure the continuity of the function value and to reduce accumulation of round-off errors. In addition to computation of function values this algorithm includes an object-time estimation of round-off errors. Experimental data with regard to the effectiveness of this error control are presented. A Fortran program for the algorithm appears in the algorithms section of this issue. complex gamma function gamma function complex log gamma function loggamma function round-off error control inherent error control run-time error estimates error estimates
