mainloop/* moved to root

2022-09-27 20:01:14 +02:00
parent 8e211fd8fb
commit 5dd7f4a277
40 changed files with 895 additions and 35 deletions
--- a/misc.c
+++ b/misc.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2022 Oleg Borodin  <borodin@unix7.org>
+ */
+
+#include <stdbool.h>
+
+double mapval(double imin, double imax, double omin, double omax, double in, bool inv) {
+    double odiap = (omax - omin);
+    double k = 1.0 / (imax - imin);
+    double out = 0.0;
+    if (inv) {
+        out = (omax - odiap/2.0) - in * k * odiap;
+    } else {
+        out = in * k * odiap + (odiap/2.0 + omin);
+    }
+
+    return out;
+}