Merge pull request #349 from Explorer09/clamp-macro

Introduce CLAMP macro. Unify all MAX(l,MIN(h,x)) uses.

1 files changed, 3 insertions, 0 deletions

diff --git a/Meter.h b/Meter.h
index fe102fb3..18a6b1e0 100644
--- a/Meter.h
+++ b/Meter.h
@@ -100,6 +100,9 @@ typedef struct GraphData_ {
 #ifndef MAX
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
+#ifndef CLAMP
+#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
+#endif
 
 extern MeterClass Meter_class;