From 01a33fedf6cdbb99c2b0316462a5578bb1b4b434 Mon Sep 17 00:00:00 2001
From: Paul Elder <paul.elder@ideasonboard.com>
Date: Fri, 14 Jun 2024 21:02:11 +0900
Subject: ipa: libipa: vector: Add matrix-vector multiplication

Add an operation for multiplying a matrix with a vector.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/ipa/libipa/vector.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/ipa/libipa/vector.cpp')

diff --git a/src/ipa/libipa/vector.cpp b/src/ipa/libipa/vector.cpp
index b071b261..bd00b019 100644
--- a/src/ipa/libipa/vector.cpp
+++ b/src/ipa/libipa/vector.cpp
@@ -123,6 +123,17 @@ namespace ipa {
  * \return The length of the vector
  */
 
+/**
+ * \fn Vector<T, Rows> operator*(const Matrix<T, Rows, Cols> &m, const Vector<T, Cols> &v)
+ * \brief Multiply a matrix by a vector
+ * \tparam T Numerical type of the contents of the matrix and vector
+ * \tparam Rows The number of rows in the matrix
+ * \tparam Cols The number of columns in the matrix (= rows in the vector)
+ * \param m The matrix
+ * \param v The vector
+ * \return Product of matrix \a m and vector \a v
+ */
+
 /**
  * \fn bool operator==(const Vector<T, Rows> &lhs, const Vector<T, Rows> &rhs)
  * \brief Compare vectors for equality
-- 
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