diff --git a/src/mat.rs b/src/mat.rs
index 1b11e89..26e5c41 100644
--- a/src/mat.rs
+++ b/src/mat.rs
@@ -682,10 +682,10 @@ impl mat4: Matrix<float, vec4> {
 impl mat4: Matrix4<float, vec4> {
     #[inline(always)]
     pure fn scale(&&vec:vec3) -> mat4 {
-        self.mul_m(mat4(vec.x(),       0f,      0f, 0f,
-                              0f, vec.y(),      0f, 0f,
-                              0f,      0f, vec.z(), 0f,
-                              0f,      0f,      0f, 1f))
+        self.mul_m(mat4(vec.x(),      0f,      0f, 0f,
+                             0f, vec.y(),      0f, 0f,
+                             0f,      0f, vec.z(), 0f,
+                             0f,      0f,      0f, 1f))
     }
     
     #[inline(always)]
diff --git a/src/projection.rs b/src/projection.rs
index eca62e2..e3cd1e0 100644
--- a/src/projection.rs
+++ b/src/projection.rs
@@ -22,22 +22,22 @@ pure fn perspective(fovy:float, aspectRatio:float, near:float, far:float) -> mat
 //  TODO: double check algorithm
 //
 pure fn frustum(left:float, right:float, bottom:float, top:float, near:float, far:float) -> mat4 {
-    let m00:float = (2f * near) / (right - left);
-    let m01:float = 0f;
-    let m02:float = 0f;
-    let m03:float = 0f;
-    let m10:float = 0f;
-    let m11:float = (2f * near)/(top - bottom);
-    let m12:float = 0f;
-    let m13:float = 0f;
-    let m20:float = (right + left) / (right - left);
-    let m21:float = (top + bottom) / (top - bottom);
-    let m22:float = -(far + near) / (far - near);
-    let m23:float = -1f;
-    let m30:float = 0f;
-    let m31:float = 0f;
-    let m32:float = -(2f * far * near) / (far - near);
-    let m33:float = 0f;
+    let m00 = (2f * near) / (right - left);
+    let m01 = 0f;
+    let m02 = 0f;
+    let m03 = 0f;
+    let m10 = 0f;
+    let m11 = (2f * near)/(top - bottom);
+    let m12 = 0f;
+    let m13 = 0f;
+    let m20 = (right + left) / (right - left);
+    let m21 = (top + bottom) / (top - bottom);
+    let m22 = -(far + near) / (far - near);
+    let m23 = -1f;
+    let m30 = 0f;
+    let m31 = 0f;
+    let m32 = -(2f * far * near) / (far - near);
+    let m33 = 0f;
     
     return mat4(m00, m01, m02, m03,
                 m10, m11, m12, m13,