ref: 716c18ec85b68659886408d1f81301bf4e5f43bd
parent: f762f96f07cf2dfc7b3bb745d6a767dccda0a01a
author: S. Gilles <sgilles@math.umd.edu>
date: Tue Jul 31 09:36:55 EDT 2018
Improve accuracy of poly path of atan calculations.
--- a/lib/math/atan-impl.myr
+++ b/lib/math/atan-impl.myr
@@ -396,7 +396,7 @@
if u < 0.0625
var s = u * u
var p = horner_polyu(s, atan_coeffs[:])
- -> u*p + du
+ -> u*p + u*du
;;
/*