Revert "remove external libraries from main branch"protocol-modeling

This reverts commit 0558244645611f314f47e0fa427f7323ce253eaf.

1 files changed, 19 insertions, 0 deletions

diff --git a/include/lib/ArduinoJson/Polyfills/math.hpp b/include/lib/ArduinoJson/Polyfills/math.hpp
new file mode 100644
index 0000000..48773ed
--- /dev/null
+++ b/include/lib/ArduinoJson/Polyfills/math.hpp
@@ -0,0 +1,19 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+namespace ArduinoJson {
+namespace Internals {
+template <typename T>
+bool isNaN(T x) {
+  return x != x;
+}
+
+template <typename T>
+bool isInfinity(T x) {
+  return x != 0.0 && x * 2 == x;
+}
+}
+}