From 6a6e7d012b2baed7658eaceedee6eabeeb995d02 Mon Sep 17 00:00:00 2001
From: Richard Roberts <richard.jw.roberts@gmail.com>
Date: Thu, 4 Jul 2013 03:20:37 +0000
Subject: [PATCH] Added assert_throw macro.

---
 gtsam/base/types.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/gtsam/base/types.h b/gtsam/base/types.h
index c167239ec..6ca9b9ea1 100644
--- a/gtsam/base/types.h
+++ b/gtsam/base/types.h
@@ -103,6 +103,17 @@ namespace gtsam {
     operator T() const { return value; }
   };
 
+  /** An assertion that throws an exception if NDEBUG is not defined and
+   * evaluates to an empty statement otherwise. */
+#ifdef NDEBUG
+#define assert_throw(CONDITION, EXCEPTION) ((void)0)
+#else
+#define assert_throw(CONDITION, EXCEPTION) \
+  if(!(CONDITION)) { \
+    throw (EXCEPTION); \
+  }
+#endif
+
 }
 
 #ifdef _MSC_VER