From 0d5e6bd9363d5ed5c4f28174819fc0f5fd9aa586 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Sat, 6 Feb 2021 17:27:42 +0100
Subject: Reorganized scene module, and fixed bug in sphere intersect

---
 src/lib.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/lib.rs')

diff --git a/src/lib.rs b/src/lib.rs
index 5883167..0ec6700 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@ pub mod scene;
 pub mod trace;
 pub mod sample;
 
-use std::ops::{Add, Sub, Mul, DivAssign};
+use std::ops::{Add, Sub, Mul, DivAssign, Neg};
 use std::cmp;
 use std::fmt;
 
@@ -18,6 +18,7 @@ pub trait Number:
     Sub<Output = Self> +
     Add<Output = Self> +
     Mul<Output = Self> +
+    Neg<Output = Self> + 
     DivAssign +
     fmt::Display
 {}
-- 
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