| 1 | #ifndef MANTID_CURVEFITTING_Muon_Stretched_Exponential_H_ |
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| 2 | #define MANTID_CURVEFITTING_Muon_Stretched_Exponential_H_ |
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| 3 | |
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| 4 | //---------------------------------------------------------------------- |
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| 5 | // Includes |
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| 6 | //---------------------------------------------------------------------- |
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| 7 | #include "MantidAPI/IPeakFunction.h" |
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| 8 | //#include "MantidAPI/IFunctionWithLocation.h" |
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| 9 | namespace Mantid |
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| 10 | { |
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| 11 | namespace CurveFitting |
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| 12 | { |
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| 13 | /** |
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| 14 | Provide lorentzian peak shape function interface to IPeakFunction. |
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| 15 | I.e. the function: Height*( HWHM^2/((x-PeakCentre)^2+HWHM^2) ). |
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| 16 | |
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| 17 | |
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| 18 | LorentzianTest parameters: |
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| 19 | <UL> |
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| 20 | <LI> Height - height of peak (default 0.0)</LI> |
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| 21 | <LI> PeakCentre - centre of peak (default 0.0)</LI> |
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| 22 | <LI> HWHM - half-width half-maximum (default 1.0)</LI> |
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| 23 | </UL> |
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| 24 | |
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| 25 | @author Anders Markvardsen, ISIS, RAL |
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| 26 | @date 27/10/2009 |
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| 27 | |
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| 28 | Copyright © 2007-8 ISIS Rutherford Appleton Laboratory & NScD Oak Ridge National Laboratory |
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| 29 | |
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| 30 | This file is part of Mantid. |
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| 31 | |
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| 32 | Mantid is free software; you can redistribute it and/or modify |
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| 33 | it under the terms of the GNU General Public License as published by |
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| 34 | the Free Software Foundation; either version 3 of the License, or |
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| 35 | (at your option) any later version. |
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| 36 | |
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| 37 | Mantid is distributed in the hope that it will be useful, |
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| 38 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 39 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 40 | GNU General Public License for more details. |
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| 41 | |
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| 42 | You should have received a copy of the GNU General Public License |
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| 43 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 44 | |
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| 45 | File change history is stored at: <https://svn.mantidproject.org/mantid/trunk/Code/Mantid> |
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| 46 | Code Documentation is available at: <http://doxygen.mantidproject.org> |
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| 47 | */ |
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| 48 | class DLLExport Muon_Stretched_Exponential : public API::IPeakFunction |
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| 49 | { |
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| 50 | public: |
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| 51 | /// Destructor |
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| 52 | virtual ~Muon_Stretched_Exponential() {}; |
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| 53 | |
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| 54 | |
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| 55 | /// overwrite IPeakFunction base class methods |
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| 56 | // virtual double A0()const {return getParameter("A");} |
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| 57 | // virtual double s()const {return getParameter("lambda");} |
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| 58 | |
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| 59 | |
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| 60 | |
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| 61 | virtual double centre()const {return getParameter("lambda");} |
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| 62 | virtual double height()const {return getParameter("A");} |
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| 63 | virtual double width()const {return 20;} |
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| 64 | virtual void setCentre(const double c) {setParameter("lambda",c);} |
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| 65 | virtual void setHeight(const double h) {setParameter("A",h);} |
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| 66 | virtual void setWidth(const double w) {} |
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| 67 | |
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| 68 | |
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| 69 | /// Here specify name of function as it will appear |
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| 70 | std::string name()const{return "Muon_Stretched_Exponential";} |
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| 71 | |
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| 72 | |
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| 73 | protected: |
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| 74 | virtual void functionLocal(double* out, const double* xValues, const int& nData)const; |
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| 75 | virtual void functionDerivLocal(API::Jacobian* out, const double* xValues, const int& nData); |
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| 76 | virtual void init(); |
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| 77 | |
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| 78 | }; |
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| 79 | |
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| 80 | } // namespace CurveFitting |
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| 81 | } // namespace Mantid |
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| 82 | |
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| 83 | #endif /*MANTID_CURVEFITTING_Muon_Stretched_Exponential_H_*/ |
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