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Copyright (c) 1983, 2007, 2012 A. R Barnett and I. J. Thompson Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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COMPLEX COULOMB WAVEFUNCTION PROGRAM USING STEED'S METHOD
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A CONTINUED-FRACTION ALGORITHM FOR COULOMB
FUNCTIONS OF COMPLEX ORDER WITH COMPLEX ARGUMENTS
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REF. IN COMP. PHYS. COMMUN. 36 (1985) 363
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A. R. Barnett Manchester March 1981
modified I.J. Thompson Daresbury, Sept. 1983 for Complex Functions
modified A.R. flores WashU, April 2025 for Modern Compilers
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original program RCWFN in CPC 8 (1974) 377-395
original program RCWFF in CPC 11 (1976) 141-142
original program COULFG in CPC 27 (1982) 147-166
description of real algorithm in CPC 21 (1981) 297-314
description of complex algorithm JCP XX (1985) YYY-ZZZ
this version written up in CPC XX (1985) YYY-ZZZ