From c9c0daa098f22662ff0b747af95797a622fa145b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Max=20L=C3=BCbke?= <mluebke@uni-potsdam.de>
Date: Thu, 5 Oct 2023 08:22:08 +0200
Subject: [PATCH] Add source of prevPower function

---
 src/sycl_comp.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/sycl_comp.cpp b/src/sycl_comp.cpp
index 6263b99..420c7fa 100644
--- a/src/sycl_comp.cpp
+++ b/src/sycl_comp.cpp
@@ -132,7 +132,11 @@ auto matrixMultTransposeSYCL(sycl::queue &q, const Matrix<data_type> &matA,
   return matRes.chksum();
 }
 
-/* Obtains the previous power of two from the given integer.
+/*
+ * Obtained from
+ * https://github.com/codeplaysoftware/computecpp-sdk/blob/master/samples/matrix-multiply.cpp
+ *
+ * Obtains the previous power of two from the given integer.
  * It works by masking out all ones after the first one bit,
  * then leaves the first one bit intact, effectively
  * yielding the first power of two < x. */