From 2087933facdda612d350e5b350e5e9b0a0da2369 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20L=C3=BCke?= <f.lueke@mesytec.com>
Date: Mon, 23 Dec 2024 12:59:27 +0100
Subject: [PATCH] move round_up() into mnode_math

---
 include/mesytec-mnode/mnode_math.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 include/mesytec-mnode/mnode_math.h

diff --git a/include/mesytec-mnode/mnode_math.h b/include/mesytec-mnode/mnode_math.h
new file mode 100644
index 0000000..a9693c2
--- /dev/null
+++ b/include/mesytec-mnode/mnode_math.h
@@ -0,0 +1,18 @@
+#ifndef C536E080_25D7_476D_B8E3_25912B9CFC3B
+#define C536E080_25D7_476D_B8E3_25912B9CFC3B
+
+#include <cstdint>
+
+namespace mesytec::mnode
+{
+// round n up to the nearest multiple of p
+// source: https://blog.xoria.org/rounding-up/
+inline int64_t round_up(int64_t n, int64_t p)
+{
+    int64_t mask = p - 1;
+    return (n + mask) & ~mask;
+}
+
+}
+
+#endif /* C536E080_25D7_476D_B8E3_25912B9CFC3B */