From 118fcdf7e32479f9ceb46bdbed96e2cb3909943a Mon Sep 17 00:00:00 2001
From: Luqman Aden <laden@csclub.uwaterloo.ca>
Date: Wed, 21 Nov 2012 16:03:33 -0500
Subject: [PATCH] Doing transpose twice is equivalent to not doing it at all.

---
 src/mat.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mat.rs b/src/mat.rs
index 4fc55b6..0d4112f 100644
--- a/src/mat.rs
+++ b/src/mat.rs
@@ -852,7 +852,7 @@ pub impl<T:Copy Num NumCast DefaultEq Signed Ord> Mat4<T>: NumericMatrixNxN<T, V
 
             // Gauss Jordan Elimination with partial pivoting
 
-            let mut a = self.transpose();
+            let mut a = copy self;
             let mut inv: Mat4<T> = NumericMatrixNxN::identity();
 
             // Find largest pivot column j among rows j..3
@@ -895,7 +895,7 @@ pub impl<T:Copy Num NumCast DefaultEq Signed Ord> Mat4<T>: NumericMatrixNxN<T, V
                     }
                 }
             }
-            Some(inv.transpose())
+            Some(inv)
         }
     }