From a2696fcee4f16547925d67e417bc1c8aa855f6af Mon Sep 17 00:00:00 2001
From: jgoppert <james.goppert@gmail.com>
Date: Fri, 6 Nov 2015 21:09:34 -0500
Subject: [PATCH] Fix for isfinite.

---
 matrix/Euler.hpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/matrix/Euler.hpp b/matrix/Euler.hpp
index 61e26753b6..eb5d2fc759 100644
--- a/matrix/Euler.hpp
+++ b/matrix/Euler.hpp
@@ -10,6 +10,8 @@
 
 #include "matrix.hpp"
 
+#include <cmath>
+
 namespace matrix
 {
 
@@ -56,13 +58,13 @@ public:
         psi() = 0;
         theta() = 0;
         phi() = 0;
-        if (isfinite(psi_val)) {
+        if (std::isfinite(psi_val)) {
             psi() = psi_val;
         }
-        if (isfinite(theta_val)) {
+        if (std::isfinite(theta_val)) {
             theta() = theta_val;
         }
-        if (isfinite(phi_val)) {
+        if (std::isfinite(phi_val)) {
             phi() = phi_val;
         }
     }