From de04d37e8520079f5bba3b1a87d42313297543db Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Fri, 19 Dec 2025 07:32:09 +0100
Subject: Add coordinate solvers for corners

---
 src/arch/portable.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/arch/portable.h')

diff --git a/src/arch/portable.h b/src/arch/portable.h
index c7f2de0..4b66fb6 100644
--- a/src/arch/portable.h
+++ b/src/arch/portable.h
@@ -154,6 +154,19 @@ inverse(cube_t cube)
 	return ret;
 }
 
+STATIC_INLINE void
+copy_co(cube_t cube[static 1], cube_t co)
+{
+	uint8_t c;
+	size_t i;
+
+	for (i = 0; i < 8; i++) {
+		c = cube->corner[i] & COBITS;
+		cube->corner[i] ^= c;
+		cube->corner[i] |= co.corner[i] & COBITS;
+	}
+}
+
 STATIC_INLINE uint64_t
 coord_co(cube_t c)
 {
-- 
cgit v1.3