Fix map() bug in WMath.cpp (#1636)

SmingHub · Feb 21, 2019 · 27965c1 · 27965c1
1 parent f177628
commit 27965c1
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Sming/Wiring/WMath.cpp b/Sming/Wiring/WMath.cpp
@@ -80,11 +80,11 @@ long random(long howsmall, long howbig)
 
 
 long map(long x, long in_min, long in_max, long out_min, long out_max) {
-    long divisor = (in_max - in_min) + out_min;
+    long divisor = in_max - in_min;
     if(divisor == 0){
         return -1; //AVR returns -1, SAM returns 0
     }
-    return (x - in_min) * (out_max - out_min) / divisor;
+    return ( (x - in_min) * (out_max - out_min) / divisor ) + out_min;
 }