Fix NAN with real NAN defined in C99

Seeed-Studio · Jan 29, 2018 · a96baa7 · a96baa7
1 parent 45553fa
commit a96baa7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/DHT.cpp b/DHT.cpp
@@ -4,8 +4,9 @@ MIT license
 written by Adafruit Industries
 */
 
+#include <math.h>
 #include "DHT.h"
-#define NAN 0
+//#define NAN 0
 
 DHT::DHT(uint8_t pin, uint8_t type, uint8_t count) {
   _pin = pin;