From 459c248db8804b2a51010c89b72d3a0d326267e9 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 2 Jun 2019 16:23:08 +0300
Subject: [PATCH] Fix a memory access error in DynamicMatrix::invert

Gauss_jordan returns a reference to the result, which is a local
variable.  It needs to be assigned to *this to retain it.
---
 source/linal/dynamicmatrix.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/linal/dynamicmatrix.h b/source/linal/dynamicmatrix.h
index 6d45657..1b191a1 100644
--- a/source/linal/dynamicmatrix.h
+++ b/source/linal/dynamicmatrix.h
@@ -308,7 +308,8 @@ inline DynamicMatrix<T> &DynamicMatrix<T>::invert()
 	for(unsigned i=0; i<rows_; ++i)
 		r(i, i) = T(1);
 
-	return gauss_jordan(*this, r);
+	gauss_jordan(*this, r);
+	return *this = r;
 }
 
 template<typename T>
-- 
2.43.0