From e1bb4724ad74ec38360fb1f5e64c12ab7d7b3097 Mon Sep 17 00:00:00 2001
From: Alexander Voigt <alexander.voigt@hs-flensburg.com>
Date: Wed, 4 Oct 2023 15:38:38 +0200
Subject: [PATCH] use log1p

---
 src/Li2.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Li2.jl b/src/Li2.jl
index cb38652..8b087a4 100644
--- a/src/Li2.jl
+++ b/src/Li2.jl
@@ -47,7 +47,7 @@ end
 # approximation of Re[Li2(x)] for x in [0, 1/2]
 # todo(alex): benchmark this routine
 function reli2_approx(x::BigFloat)::BigFloat
-    u = -log(one(x) - x)
+    u = -log1p(-x)
     u2 = u*u
 
     p = u2 # powers of u2