From 9a7852993c538212d5e14aa34c49ba7d990aca76 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sat, 6 Jan 2024 23:59:26 +0000
Subject: sqrt.c: add forgotten comments.

---
 sqrt.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sqrt.c b/sqrt.c
index 5a78693..281e73e 100644
--- a/sqrt.c
+++ b/sqrt.c
@@ -32,7 +32,11 @@ double
 		return 0;
 
 	x0 = -1;
-	x = n > 1? n/2: 1;
+	x = n > 1? n/2: 1;	/* initial estimate */
+	/*
+	 * take advantage of the computer's discreteness
+	 * to get the most accurate result.
+	 */
 	while(x0 != x){
 		x0 = x;
 		x = 0.5*(x0 + n/x0);
-- 
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