From 0ff3dbba54e5b28826c59fd9523a4457c7944dbf Mon Sep 17 00:00:00 2001
From: Jiri Pittner <jiri@pittnerovi.com>
Date: Fri, 8 Jul 2022 14:50:10 +0200
Subject: [PATCH] LA traits for Quaternion class

---
 quaternion.h | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/quaternion.h b/quaternion.h
index 46a1fe3..08f80bc 100644
--- a/quaternion.h
+++ b/quaternion.h
@@ -30,8 +30,31 @@
 #include <complex>
 #include <math.h>
 
-namespace LA_Quaternion {
 
+
+#ifndef AVOID_LA
+#include "la.h"
+#endif
+
+
+
+#ifndef AVOID_LA
+namespace LA_Quaternion {
+template <typename T>
+class Quaternion; //forward declaration
+}
+
+template <typename T>
+class LA::LA_traits<LA_Quaternion::Quaternion<T> > {
+public:
+        static bool is_plaindata() {return true;};
+        static void copyonwrite(LA_Quaternion::Quaternion<T>& x) {};
+        typedef T normtype;
+};
+#endif
+
+
+namespace LA_Quaternion {
 template <typename T>
 class Quaternion 
 	{