Added accuracy comments.

2026-04-10 11:34:33 +08:00 · 2016-04-05 18:20:40 +01:00
parent b0143de177
commit a350c25a39
1 changed files with 5 additions and 0 deletions
--- a/Eigen/src/Core/SpecialFunctions.h
+++ b/Eigen/src/Core/SpecialFunctions.h
@@ -846,7 +846,12 @@ struct zeta_impl {
         *
         * ACCURACY:
         *
+         * Relative error for single precision:
+         * arithmetic   domain     # trials      peak         rms
+         *    IEEE      0,25        10000       6.9e-7      1.0e-7
         *
+         * Large arguments may produce underflow in powf(), in which
+         * case the results are inaccurate.
         *
         * REFERENCE:
         *