From 519393f42e9ac9153df34e6a0260461e387cf196 Mon Sep 17 00:00:00 2001
From: Bodo Eggert <7eggert@gmx.de>
Date: Thu, 8 Sep 2016 17:11:29 +0200
Subject: [PATCH] Save 66 bytes by using integer arithmetric

---
 DHT.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/DHT.cpp b/DHT.cpp
index 86ad91c..583a0a9 100644
--- a/DHT.cpp
+++ b/DHT.cpp
@@ -45,9 +45,7 @@ float DHT::readTemperature(bool S, bool force) {
       break;
     case DHT22:
     case DHT21:
-      f = data[2] & 0x7F;
-      f *= 256;
-      f += data[3];
+      f = ((word)(data[2] & 0x7F)) << 8 | data[3];
       f *= 0.1;
       if (data[2] & 0x80) {
         f *= -1;
@@ -78,9 +76,7 @@ float DHT::readHumidity(bool force) {
       break;
     case DHT22:
     case DHT21:
-      f = data[0];
-      f *= 256;
-      f += data[1];
+      f = ((word)data[0]) << 8 | data[1];
       f *= 0.1;
       break;
     }