From a350c25a396aa4fdef4878d165bb3dbaedf0a4bb Mon Sep 17 00:00:00 2001 From: Till Hoffmann Date: Tue, 5 Apr 2016 18:20:40 +0100 Subject: [PATCH] Added accuracy comments. --- Eigen/src/Core/SpecialFunctions.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Eigen/src/Core/SpecialFunctions.h b/Eigen/src/Core/SpecialFunctions.h index 772449bc7..2a0a6ff15 100644 --- 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: *