Remark on algorithm 292 [S22]: regular coulomb wave functions
Walter Gautschi · Communications of the ACM · 1969
must be left as standard floating-point numbers in two designated registers. EXERCISE AMBThe following functiou ln* (1 + X) is an approximation for In (1 + X) in the range 0 _~ X ~ 1: ln* (1 + X) = 0.9974,442X -0.4712,839X 2 + 0.2256,685X 3 -0.0587,527X 4