The old code gave an incorrect result for A < B ≤ 2·A and an error for B < 0. This fixes .c A B to be defined for all integers A, B consistently with M.J. Kronenburg, “The Binomial Coefficient for Negative Arguments” (2011), https://arxiv.org/abs/1105.3689.
The old code gave an incorrect result for A < B ≤ 2·A and an error for B < 0. This fixes
.c A Bto be defined for all integers A, B consistently with M.J. Kronenburg, “The Binomial Coefficient for Negative Arguments” (2011), https://arxiv.org/abs/1105.3689.