From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 15 Apr 2024 07:54:39 +0200
Subject: Adding upstream version 4:24.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 sc/inc/matrixoperators.hxx | 68 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 sc/inc/matrixoperators.hxx

(limited to 'sc/inc/matrixoperators.hxx')

diff --git a/sc/inc/matrixoperators.hxx b/sc/inc/matrixoperators.hxx
new file mode 100644
index 0000000000..cd0295bb20
--- /dev/null
+++ b/sc/inc/matrixoperators.hxx
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+
+#include <functional>
+#include <utility>
+#include <vector>
+#include "kahan.hxx"
+
+namespace sc::op {
+
+
+template<typename T, typename tRes>
+struct Op_
+{
+    const double mInitVal;
+    const T maOp;
+    Op_(double InitVal, T aOp):
+        mInitVal(InitVal), maOp(std::move(aOp))
+    {
+    }
+    void operator()(tRes& rAccum, double fVal) const
+    {
+        maOp(rAccum, fVal);
+    }
+};
+
+using Op = Op_<std::function<void(double&, double)>, double>;
+using kOp = Op_<std::function<void(KahanSum&, double)>, KahanSum>;
+
+void fkOpSum(KahanSum& rAccum, double fVal);
+void fkOpSumSquare(KahanSum& rAccum, double fVal);
+
+extern kOp kOpSum;
+extern kOp kOpSumSquare;
+extern std::vector<kOp> kOpSumAndSumSquare;
+
+struct Sum
+{
+    static const double InitVal;
+    void operator()(KahanSum& rAccum, double fVal) const;
+};
+
+struct SumSquare
+{
+    static const double InitVal;
+    void operator()(KahanSum& rAccum, double fVal) const;
+};
+
+struct Product
+{
+    static const double InitVal;
+    void operator()(double& rAccum, double fVal) const;
+};
+
+}
+
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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