From ba19aebe88931c7d55a43f10c626e5f6a8941d93 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 6 Mar 2018 18:13:46 +1100
Subject: [PATCH] point/vector: give homog a default dimensionality

---
 point.hpp  | 2 +-
 vector.hpp | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/point.hpp b/point.hpp
index 8026cd5c..c919afc5 100644
--- a/point.hpp
+++ b/point.hpp
@@ -39,7 +39,7 @@ namespace util {
 
         /// expand point to use homogenous coordinates of a higher dimension.
         /// ie, fill with (0,..,0,1)
-        template <size_t D>
+        template <size_t D = 4>
         point<D,T>
         homog (void) const
         {
diff --git a/vector.hpp b/vector.hpp
index 8116d10b..c5307b43 100644
--- a/vector.hpp
+++ b/vector.hpp
@@ -35,7 +35,8 @@ namespace util {
         using coord::base<S,T,vector<S,T>>::base;
 
         // representations
-        template <size_t D> vector<D,T> homog (void) const
+        template <size_t D = 4>
+        vector<D,T> homog (void) const
         {
             static_assert (D > S, "reducing size loses data");
             return (*this).template redim<D> (0.f);