From 64d53cf72bccfdf653a5886de86da6c619f9d50a Mon Sep 17 00:00:00 2001
From: numzero <numzer0@yandex.ru>
Date: Thu, 7 Nov 2024 00:39:42 +0300
Subject: [PATCH] =?UTF-8?q?There=20isn=E2=80=99t=20that=20much=20precision?=
 =?UTF-8?q?=20in=20f32...?=
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---
 src/riemann.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/riemann.rs b/src/riemann.rs
index 10556b8..dfeea72 100644
--- a/src/riemann.rs
+++ b/src/riemann.rs
@@ -15,7 +15,7 @@ pub trait Metric {
 	}
 
 	fn part_derivs_at(&self, pos: Vec3) -> Tens3 {
-		part_deriv(|p| self.at(p), pos, 1.0 / 1024.0) // division by such eps is exact which is good for overall precision
+		part_deriv(|p| self.at(p), pos, 1.0 / 64.0) // there just isn’t enough precision for a small ε.
 	}
 
 	fn vec_length_at(&self, at: Vec3, v: Vec3) -> f32 {