5b112c8f88
Change-Id: Ia7ff651d1cbc119b36a9f8052594d03650988f59 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137848 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <functional>
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#include <utility>
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#include <vector>
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#include "kahan.hxx"
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namespace sc::op {
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template<typename T, typename tRes>
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struct Op_
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{
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const double mInitVal;
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const T maOp;
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Op_(double InitVal, T aOp):
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mInitVal(InitVal), maOp(std::move(aOp))
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{
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}
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void operator()(tRes& rAccum, double fVal) const
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{
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maOp(rAccum, fVal);
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}
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};
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using Op = Op_<std::function<void(double&, double)>, double>;
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using kOp = Op_<std::function<void(KahanSum&, double)>, KahanSum>;
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void fkOpSum(KahanSum& rAccum, double fVal);
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void fkOpSumSquare(KahanSum& rAccum, double fVal);
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extern kOp kOpSum;
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extern kOp kOpSumSquare;
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extern std::vector<kOp> kOpSumAndSumSquare;
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struct Sum
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{
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static const double InitVal;
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void operator()(KahanSum& rAccum, double fVal) const;
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};
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struct SumSquare
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{
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static const double InitVal;
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void operator()(KahanSum& rAccum, double fVal) const;
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};
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struct Product
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{
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static const double InitVal;
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void operator()(double& rAccum, double fVal) const;
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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