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 {
  17
  18 namespace op {
  19
  20
  21 template<typename T>
  22 struct Op_
  23 {
  24     const double mInitVal;
  25     const T maOp;
  26     Op_(double InitVal, T aOp):
  27         mInitVal(InitVal), maOp(aOp)
  28     {
  29     }
  30     void operator()(double& rAccum, double fVal) const
  31     {
  32         maOp(rAccum, fVal);
  33     }
  34 };
  35
  36 using Op = Op_<std::function<void(double&, double)>>;
  37
  38 struct Sum
  39 {
  40     static const double InitVal;
  41     void operator()(double& rAccum, double fVal) const;
  42 };
  43
  44 struct SumSquare
  45 {
  46     static const double InitVal;
  47     void operator()(double& rAccum, double fVal) const;
  48 };
  49
  50 struct Product
  51 {
  52     static const double InitVal;
  53     void operator()(double& rAccum, double fVal) const;
  54 };
  55
  56 }
  57
  58 }
  59
  60 #endif
  61
  62 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */