From 613a332e99975e1946a63ab73f659c2d2a5b081c Mon Sep 17 00:00:00 2001
From: "Levy A." <levyddsa@gmail.com>
Date: Wed, 23 Apr 2025 10:13:32 -0300
Subject: [PATCH] doc: add doc for DoubleDouble

---
 core/numeric.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/numeric.rs b/core/numeric.rs
index 9a40e63b8..e736edbc4 100644
--- a/core/numeric.rs
+++ b/core/numeric.rs
@@ -347,6 +347,8 @@ const MAX_EXACT: u64 = u64::MAX << 11;
 
 const VERTICAL_TAB: char = '\u{b}';
 
+/// Encapsulates Dekker's arithmetic for higher precision. This is spiritually the same as using a
+/// f128 for arithmetic, but cross platform and compatible with sqlite.
 #[derive(Debug, Clone, Copy)]
 struct DoubleDouble(f64, f64);