source: sasview/sansmodels/include/teubner_strey.h @ 5eb663a

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Last change on this file since 5eb663a was a269378, checked in by Kieran Campbell <kieranrcampbell@…>, 12 years ago

Ported Teubner-Strey model python → C++

  • Property mode set to 100644
File size: 1.2 KB
Line 
1#ifndef TEUBNER_STREY_H
2#define TEUBNER_STREY_H
3
4#include "parameters.hh"
5
6/**
7        This software was developed by Institut Laue-Langevin as part of
8        Distributed Data Analysis of Neutron Scattering Experiments (DANSE).
9
10        Copyright 2012 Institut Laue-Langevin
11
12**/
13
14/**
15   Scattering model class for the Teubner-Strey model given by
16    Provide F(x) = 1/( scale + c1*(x)^(2)+  c2*(x)^(4)) + bkd
17**/
18
19
20// definition for model parameters
21
22// [PYTHONCLASS] = TeubnerStreyModel
23// [DISP_PARAMS] = scale, c1, c2, background
24// [DESCRIPTION] = <text>F(x) = 1/( scale + c1*(x)^(2)+  c2*(x)^(4)) + bkd </text>
25//       </text>
26// [FIXED] =
27// [ORIENTATION_PARAMS] =
28
29class TeubnerStreyModel {
30
31public:
32  // Model parameters
33
34  /// Scale factor
35  // [DEFAULT]=scale=0.1
36  Parameter scale;
37
38  /// c1
39  // [DEFAULT]=c1=-30.0
40  Parameter c1;
41
42  /// c2
43  // [DEFAULT]=c2=5000.0
44  Parameter c2;
45
46  /// Background
47  // [DEFAULT]=background=0.0
48  Parameter background;
49
50  TeubnerStreyModel();
51
52  // Operators to get I(Q)
53  double operator()(double q);
54  double operator()(double qx, double qy);
55  double calculate_ER();
56  double calculate_VR();
57  double evaluate_rphi(double q, double phi);
58};
59
60
61#endif
62
63
64
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