From 0885320603fb3139fbfd8f8094ed7895980d4d3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Thu, 31 Jan 2013 19:18:34 +0100
Subject: [PATCH] Math: vector dot product in terms of component-wise multiply
 and sum.

Less SIMD alternatives to implement in the future.
---
 src/Math/Vector.h | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/src/Math/Vector.h b/src/Math/Vector.h
index 6bf8eadb4..6744acb13 100644
--- a/src/Math/Vector.h
+++ b/src/Math/Vector.h
@@ -73,13 +73,8 @@ template<std::size_t size, class T> class Vector {
          * @f]
          * @see dot() const
          */
-        static T dot(const Vector<size, T>& a, const Vector<size, T>& b) {
-            T out(0);
-
-            for(std::size_t i = 0; i != size; ++i)
-                out += a[i]*b[i];
-
-            return out;
+        inline static T dot(const Vector<size, T>& a, const Vector<size, T>& b) {
+            return (a*b).sum();
         }
 
         /**