From 07b75e45439f9d4416f2512094c3c11b95b6d70a Mon Sep 17 00:00:00 2001
From: Ralph Lange <ralph.lange@gmx.de>
Date: Wed, 11 Dec 2019 12:53:44 +0100
Subject: [PATCH] Properly declare isnan() in C++ testcode

---
 testApp/misc/testTypeCast.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/testApp/misc/testTypeCast.cpp b/testApp/misc/testTypeCast.cpp
index 4ad77be..922dc35 100644
--- a/testApp/misc/testTypeCast.cpp
+++ b/testApp/misc/testTypeCast.cpp
@@ -7,6 +7,7 @@
 #include <fstream>
 #include <iostream>
 #include <algorithm>
+#include <cmath>
 #include <limits>
 #include <typeinfo>
 #include <stddef.h>
@@ -23,6 +24,7 @@
 #include "pv/typeCast.h"
 
 using std::string;
+using std::isnan;
 
 namespace {
     // Mangle value to be printable as per print_convolute<>