From e0636a5b5e387f564b05033680ff733122629812 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 13 Apr 2015 21:46:40 +1000
Subject: [PATCH] sphere: add stub sphere class

---
 Makefile.am |  2 ++
 sphere.cpp  | 22 ++++++++++++++++++++++
 sphere.hpp  | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)
 create mode 100644 sphere.cpp
 create mode 100644 sphere.hpp

diff --git a/Makefile.am b/Makefile.am
index 366c6582..d5a6bfc3 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -161,6 +161,8 @@ UTIL_FILES   =		\
     signal.hpp		\
     signal.ipp		\
     si.hpp		\
+    sphere.cpp		\
+    sphere.hpp		\
     stats.cpp		\
     stats.hpp		\
     stream.cpp		\
diff --git a/sphere.cpp b/sphere.cpp
new file mode 100644
index 00000000..4419219a
--- /dev/null
+++ b/sphere.cpp
@@ -0,0 +1,22 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright 2015 Danny Robson <danny@nerdcruft.net>
+ */
+
+#include "sphere.hpp"
+
+using util::sphere;
+
+//-----------------------------------------------------------------------------
+template struct util::sphere<3,float>;
diff --git a/sphere.hpp b/sphere.hpp
new file mode 100644
index 00000000..b41abb1c
--- /dev/null
+++ b/sphere.hpp
@@ -0,0 +1,32 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright 2015 Danny Robson <danny@nerdcruft.net>
+ */
+
+#ifndef __UTIL_SPHERE_HPP
+#define __UTIL_SPHERE_HPP
+
+#include "point.hpp"
+
+namespace util {
+    template <size_t S, typename T>
+    struct sphere {
+        point<S,T> c;
+        T r;
+    };
+
+    typedef sphere<3,float> sphere3f;
+}
+
+#endif