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Last change
on this file since 8389beb was
5da3cc5,
checked in by Kieran Campbell <kieranrcampbell@…>, 12 years ago
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Implemented erf(x) in libfunc.c and added pass down to C++ of multfactor
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-
Property mode set to
100644
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File size:
1.1 KB
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Rev | Line | |
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[fa6db8b] | 1 | #ifndef DAB_MODEL_H |
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| 2 | #define DAB_MODEL_H |
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| 3 | |
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| 4 | #include "parameters.hh" |
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| 5 | |
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[5da3cc5] | 6 | /** |
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| 7 | This software was developed by Institut Laue-Langevin as part of |
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| 8 | Distributed Data Analysis of Neutron Scattering Experiments (DANSE). |
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| 9 | |
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| 10 | Copyright 2012 Institut Laue-Langevin |
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| 11 | |
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| 12 | **/ |
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[fa6db8b] | 13 | |
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| 14 | |
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| 15 | // definition for model parameters |
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| 16 | |
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| 17 | // [PYTHONCLASS] = DABModel |
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| 18 | // [DISP_PARAMS] = length, scale, background |
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| 19 | // [DESCRIPTION] = <text>Provide F(x) = scale/( 1 + (x*L)^2 )^(2) + background |
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| 20 | // DAB (Debye Anderson Brumberger) function as a BaseComponent model |
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| 21 | // </text> |
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| 22 | // [FIXED] = |
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| 23 | // [ORIENTATION_PARAMS] = |
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| 24 | |
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| 25 | |
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| 26 | class DABModel { |
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| 27 | |
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| 28 | public: |
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| 29 | // Model parameters |
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| 30 | |
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| 31 | /// Correlation length [A] |
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| 32 | // [DEFAULT]=length=50.0 [A] |
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| 33 | Parameter length; |
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| 34 | |
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| 35 | /// Scale factor |
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| 36 | // [DEFAULT]=scale=1.0 |
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| 37 | Parameter scale; |
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| 38 | |
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| 39 | /// Background [1/cm] |
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| 40 | // [DEFAULT]=background=0 [1/cm] |
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| 41 | Parameter background; |
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| 42 | |
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| 43 | DABModel(); |
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| 44 | |
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| 45 | // Operators to get I(Q) |
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| 46 | double operator()(double q); |
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| 47 | double operator()(double qx, double qy); |
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| 48 | double calculate_ER(); |
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| 49 | double calculate_VR(); |
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| 50 | double evaluate_rphi(double q, double phi); |
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| 51 | }; |
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| 52 | |
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| 53 | |
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| 54 | #endif |
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| 55 | |
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