From 2d841fb58bf8fe72d3123c47a9df9cf818b820b6 Mon Sep 17 00:00:00 2001
From: huxingyi <huxingyi@msn.com>
Date: Sun, 3 Mar 2019 14:44:48 +0800
Subject: [PATCH] Fix build on ubuntu

---
 thirdparty/nodemesh/nodemesh/builder.cpp     | 2 +-
 thirdparty/simpleuv/simpleuv/uvunwrapper.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/thirdparty/nodemesh/nodemesh/builder.cpp b/thirdparty/nodemesh/nodemesh/builder.cpp
index 554fd7b0..fa2f747d 100644
--- a/thirdparty/nodemesh/nodemesh/builder.cpp
+++ b/thirdparty/nodemesh/nodemesh/builder.cpp
@@ -283,7 +283,7 @@ bool Builder::validateNormal(const QVector3D &normal)
     if (normal.isNull()) {
         return false;
     }
-    if (isnan(normal.x()) || isnan(normal.y()) || isnan(normal.z())) {
+    if (std::isnan(normal.x()) || std::isnan(normal.y()) || std::isnan(normal.z())) {
         return false;
     }
     return true;
diff --git a/thirdparty/simpleuv/simpleuv/uvunwrapper.cpp b/thirdparty/simpleuv/simpleuv/uvunwrapper.cpp
index 9606e5a7..fcf7eef9 100644
--- a/thirdparty/simpleuv/simpleuv/uvunwrapper.cpp
+++ b/thirdparty/simpleuv/simpleuv/uvunwrapper.cpp
@@ -2,6 +2,7 @@
 #include <unordered_set>
 #include <set>
 #include <queue>
+#include <cmath>
 #include <simpleuv/uvunwrapper.h>
 #include <simpleuv/parametrize.h>
 #include <simpleuv/chartpacker.h>