ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since 6c4130a was
6319646,
checked in by Jae Cho <jhjcho@…>, 13 years ago
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new includes for scale fix for P*S
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | #if !defined(schulz_h) |
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2 | #define schulz_h |
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3 | #include "parameters.hh" |
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4 | |
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5 | /** Structure definition for Schulz parameters. |
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6 | * The Schulz is normalized to the 'scale' parameter. |
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7 | * |
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8 | * f(x)=scale * math.pow(z+1, z+1)*math.pow((R), z)* |
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9 | * math.exp(-R*(z+1))/(center*gamma(z+1) |
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10 | * z= math.pow[(1/(sigma/center),2]-1 |
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11 | * R= x/center |
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12 | * |
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13 | * [PYTHONCLASS] = Schulz |
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14 | * [DESCRIPTION] = <text> f(x)=scale * math.pow(z+1, z+1)*math.pow((R), z)* |
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15 | math.exp(-R*(z+1))/(center*gamma(z+1) |
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16 | z= math.pow[(1/(sigma/center),2]-1 |
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17 | R= x/center</text> |
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18 | */ |
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19 | |
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20 | class Schulz{ |
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21 | public: |
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22 | /// Scale factor |
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23 | // [DEFAULT]=scale=1.0 |
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24 | Parameter scale; |
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25 | /// Standard deviation |
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26 | // [DEFAULT]=sigma=1 |
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27 | Parameter sigma; |
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28 | /// Center of the Schulz distribution |
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29 | // [DEFAULT]=center=0.0 |
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30 | Parameter center; |
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31 | |
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32 | // Constructor |
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33 | Schulz(); |
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34 | |
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35 | // Operators to get I(Q) |
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36 | double operator()(double q); |
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37 | double operator()(double qx, double qy); |
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38 | double calculate_ER(); |
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39 | double calculate_VR(); |
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40 | double evaluate_rphi(double q, double phi); |
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41 | }; |
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42 | |
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43 | #endif |
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