From 67c8c8b331d0fb311fbc351fda88d940865d6f98 Mon Sep 17 00:00:00 2001
From: James Goppert <james.goppert@gmail.com>
Date: Tue, 12 Jan 2016 01:35:33 -0600
Subject: [PATCH] Cast to float for isfinite.

---
 matrix/helper_functions.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/matrix/helper_functions.hpp b/matrix/helper_functions.hpp
index d42d0c949a..db23bc576a 100644
--- a/matrix/helper_functions.hpp
+++ b/matrix/helper_functions.hpp
@@ -10,7 +10,7 @@ namespace matrix
 template<typename Type>
 Type wrap_pi(Type x)
 {
-    if (!isfinite(x)) {
+    if (!isfinite(float(x))) {
         return x;
     }