From 35490e9f73c182b844b1a32599aa105562e9f455 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sun, 14 Jun 2020 22:28:38 +0000
Subject: forgot the utils file.

---
 utils.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 utils.c

diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..4f75298
--- /dev/null
+++ b/utils.c
@@ -0,0 +1,18 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+
+double
+fclamp(double n, double min, double max)
+{
+	return n < min? min: n > max? max: n;
+}
+
+int
+alphachan(ulong chan)
+{
+	for(; chan; chan >>= 8)
+		if(TYPE(chan) == CAlpha)
+			return 1;
+	return 0;
+}
-- 
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