From 16baaa32f16dc65c2a7470c02fac31ae2d9158ef Mon Sep 17 00:00:00 2001
From: John <j@soft.fish>
Date: Tue, 9 Jul 2024 06:16:25 -0500
Subject: [PATCH] sample-code: Add an example function to print a number in
 hexadecimal

---
 sample-code/hex.cl | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 sample-code/hex.cl

diff --git a/sample-code/hex.cl b/sample-code/hex.cl
new file mode 100644
index 0000000..3e00d2e
--- /dev/null
+++ b/sample-code/hex.cl
@@ -0,0 +1,12 @@
+pub fn hex(mut n: u64) {
+    let hex_lut = [
+        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
+    ];
+    for xd in 0..16 {
+        let n = n >> (15 - xd) * 4;
+        if n != 0 {
+            print(hex_lut[n & 0xf])
+        }
+    }
+    println()
+}