sc/inc/matrixoperators.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_SC_INC_MATRIXOPERATORS_HXX
  11 #define INCLUDED_SC_INC_MATRIXOPERATORS_HXX
  12
  13
  14 #include <functional>
  15
  16 namespace sc::op {
  17
  18
  19 template<typename T>
  20 struct Op_
  21 {
  22     const double mInitVal;
  23     const T maOp;
  24     Op_(double InitVal, T aOp):
  25         mInitVal(InitVal), maOp(aOp)
  26     {
  27     }
  28     void operator()(double& rAccum, double fVal) const
  29     {
  30         maOp(rAccum, fVal);
  31     }
  32 };
  33
  34 using Op = Op_<std::function<void(double&, double)>>;
  35
  36 struct Sum
  37 {
  38     static const double InitVal;
  39     void operator()(double& rAccum, double fVal) const;
  40 };
  41
  42 struct SumSquare
  43 {
  44     static const double InitVal;
  45     void operator()(double& rAccum, double fVal) const;
  46 };
  47
  48 struct Product
  49 {
  50     static const double InitVal;
  51     void operator()(double& rAccum, double fVal) const;
  52 };
  53
  54 }
  55
  56
  57
  58 #endif
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */