Add source of prevPower function

2023-10-05 08:22:08 +02:00 · 2023-10-05 08:22:08 +02:00 · c9c0daa098
commit c9c0daa098
parent 505d0cb9da
1 changed files with 5 additions and 1 deletions
--- 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. */