From 0325af9a69e09339f068f2cf01c8bcd30b1e9084 Mon Sep 17 00:00:00 2001
From: Brendan Zabarauskas <bjzaba@yahoo.com.au>
Date: Tue, 3 Sep 2013 17:33:33 +1000
Subject: [PATCH] Add ToStr impls for point, vector and quaternion types

---
 src/cgmath/point.rs      | 12 ++++++++++++
 src/cgmath/quaternion.rs |  6 ++++++
 src/cgmath/vector.rs     | 18 ++++++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/src/cgmath/point.rs b/src/cgmath/point.rs
index 7da336b..3994a43 100644
--- a/src/cgmath/point.rs
+++ b/src/cgmath/point.rs
@@ -78,3 +78,15 @@ array!(impl<S> Point3<S> -> [S, ..3])
 
 impl<S: Clone + Num> Point<S, Vec2<S>, [S, ..2]> for Point2<S>;
 impl<S: Clone + Num> Point<S, Vec3<S>, [S, ..3]> for Point3<S>;
+
+impl<S> ToStr for Point2<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("[%?, %?]", self.x, self.y)
+    }
+}
+
+impl<S> ToStr for Point3<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("[%?, %?, %?]", self.x, self.y, self.z)
+    }
+}
diff --git a/src/cgmath/quaternion.rs b/src/cgmath/quaternion.rs
index 592080a..e48f7fa 100644
--- a/src/cgmath/quaternion.rs
+++ b/src/cgmath/quaternion.rs
@@ -233,3 +233,9 @@ impl<S: Clone + Float> Neg<Quat<S>> for Quat<S> {
         Quat::from_sv(-self.s, -self.v)
     }
 }
+
+impl<S> ToStr for Quat<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("%? + %?i + %?j + %?k", self.s, self.v.x, self.v.y, self.v.z)
+    }
+}
diff --git a/src/cgmath/vector.rs b/src/cgmath/vector.rs
index 9baec6d..2dbd804 100644
--- a/src/cgmath/vector.rs
+++ b/src/cgmath/vector.rs
@@ -219,3 +219,21 @@ impl<S: Clone + Float> EuclideanVector<S, [S, ..3]> for Vec3<S> {
         atan2(self.cross(other).length(), self.dot(other))
     }
 }
+
+impl<S> ToStr for Vec2<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("[%?, %?]", self.x, self.y)
+    }
+}
+
+impl<S> ToStr for Vec3<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("[%?, %?, %?]", self.x, self.y, self.z)
+    }
+}
+
+impl<S> ToStr for Vec4<S> {
+    fn to_str(&self) -> ~str {
+        fmt!("[%?, %?, %?, %?]", self.x, self.y, self.z, self.w)
+    }
+}