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 54b9ad2 was
79492222,
checked in by krzywon, 10 years ago
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Changed the file and folder names to remove all SANS references.
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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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[503a972] | 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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[6319646] | 7 | * |
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[503a972] | 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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[6319646] | 12 | * |
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[503a972] | 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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[6319646] | 39 | double calculate_VR(); |
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[503a972] | 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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