From e1199611f0ed804442dd864a4613e5e0d8ea88ca Mon Sep 17 00:00:00 2001
From: Bill Thiede <git@xinu.tv>
Date: Sat, 8 Sep 2018 19:58:12 -0700
Subject: [PATCH] Visibility cleanups.

---
 rtiow/src/vec3.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rtiow/src/vec3.rs b/rtiow/src/vec3.rs
index 7ac2f07..7c8a1ad 100644
--- a/rtiow/src/vec3.rs
+++ b/rtiow/src/vec3.rs
@@ -1,4 +1,3 @@
-use std::f32::consts::PI;
 use std::fmt;
 use std::num::ParseFloatError;
 use std::ops::Add;
@@ -15,7 +14,7 @@ pub struct Vec3 {
     z: f32,
 }
 
-fn cross(v1: Vec3, v2: Vec3) -> Vec3 {
+pub fn cross(v1: Vec3, v2: Vec3) -> Vec3 {
     Vec3 {
         x: v1.y * v2.z - v1.z * v2.y,
         y: v1.x * v2.z - v1.z * v2.x,
@@ -23,7 +22,7 @@ fn cross(v1: Vec3, v2: Vec3) -> Vec3 {
     }
 }
 
-fn dot(v1: Vec3, v2: Vec3) -> f32 {
+pub fn dot(v1: Vec3, v2: Vec3) -> f32 {
     v1.x * v2.x + v1.y * v2.y + v1.z * v2.z
 }
 
@@ -146,6 +145,7 @@ impl Sub for Vec3 {
 
 #[cfg(test)]
 mod tests {
+    use std::f32::consts::PI;
     use std::str::FromStr;
 
     use super::*;