1 files changed, 21 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..1d43855
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,21 @@
+mod vector;
+mod bounding;
+mod camera;
+mod spectrum;
+
+use std::ops::{Sub, Mul};
+use std::cmp;
+
+pub trait Number:
+    Copy +
+    cmp::PartialOrd +
+    Sub<Output = Self> +
+    Mul<Output = Self>
+{}
+
+impl Number for usize {}
+impl Number for i32 {}
+impl Number for f32 {}
+
+// Used throughout the program
+type Float = f32;