[ae3ce4e] | 1 | /** |
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| 2 | * Scattering intensity for dispersed CCoreShellCylinderModel |
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| 3 | * |
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| 4 | * WARNING: THIS FILE WAS GENERATED BY IGORGENERATOR.PY |
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| 5 | * DO NOT MODIFY THIS FILE, MODIFY core_shell_cylinder.h |
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| 6 | * AND RE-RUN THE GENERATOR SCRIPT |
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| 7 | * |
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| 8 | * This code was written as part of the DANSE project |
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| 9 | * http://danse.us/trac/sans/ |
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| 10 | * |
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| 11 | * Copyright 2007: University of Tennessee, for the DANSE project |
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| 12 | */ |
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| 13 | |
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| 14 | #include "core_shell_cylinder.h" |
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| 15 | #include <math.h> |
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| 16 | #include "libCylinder.h" |
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| 17 | #include "libSphere.h" |
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| 18 | #include "c_disperser.h" |
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| 19 | |
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| 20 | /** |
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| 21 | * Function to evaluate 2D scattering function |
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| 22 | * |
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| 23 | * @param dp: parameters of the function |
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| 24 | * @param q: q-value |
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| 25 | * @param phi: angle of the q-vector in the plane of the detector, relative to q_x |
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| 26 | * @return: function value |
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| 27 | */ |
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| 28 | double oriented_core_shell_cylinder_2D(double pars[], double q, double phi) { |
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| 29 | CoreShellCylinderParameters danse_pars; |
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| 30 | |
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| 31 | // List of default parameters: |
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| 32 | // pars[0]: scale = 1.0 |
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| 33 | // pars[1]: radius = 20.0 A |
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| 34 | // pars[2]: thickness = 10.0 A |
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| 35 | // pars[3]: length = 400.0 A |
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| 36 | // pars[4]: core_sld = 1e-06 A-2 |
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| 37 | // pars[5]: shell_sld = 4e-06 A-2 |
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| 38 | // pars[6]: solvent_sld = 1e-06 A-2 |
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| 39 | // pars[7]: background = 0.0 cm-1 |
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| 40 | // pars[8]: axis_theta = 1.57 rad |
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| 41 | // pars[9]: axis_phi = 0.0 rad |
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| 42 | danse_pars.scale = pars[0]; |
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| 43 | danse_pars.radius = pars[1]; |
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| 44 | danse_pars.thickness = pars[2]; |
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| 45 | danse_pars.length = pars[3]; |
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| 46 | danse_pars.core_sld = pars[4]; |
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| 47 | danse_pars.shell_sld = pars[5]; |
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| 48 | danse_pars.solvent_sld = pars[6]; |
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| 49 | danse_pars.background = pars[7]; |
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| 50 | danse_pars.axis_theta = pars[8]; |
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| 51 | danse_pars.axis_phi = pars[9]; |
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| 52 | |
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| 53 | return core_shell_cylinder_analytical_2D(&danse_pars, q, phi); |
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| 54 | } |
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| 55 | |
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| 56 | /** |
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| 57 | * Function to evaluate dispersed 2D scattering function |
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| 58 | * |
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| 59 | * @param dp: parameters of the function |
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| 60 | * @param q: q-value |
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| 61 | * @param phi: angle of the q-vector in the plane of the detector, relative to q_x |
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| 62 | * @return: function value |
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| 63 | * |
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| 64 | // List of default parameters: |
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| 65 | // pars[0]: scale = 1.0 |
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| 66 | // pars[1]: radius = 20.0 A |
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| 67 | // pars[2]: thickness = 10.0 A |
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| 68 | // pars[3]: length = 400.0 A |
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| 69 | // pars[4]: core_sld = 1e-06 A-2 |
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| 70 | // pars[5]: shell_sld = 4e-06 A-2 |
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| 71 | // pars[6]: solvent_sld = 1e-06 A-2 |
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| 72 | // pars[7]: background = 0.0 cm-1 |
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| 73 | // pars[8]: axis_theta = 1.57 rad |
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| 74 | // pars[9]: axis_phi = 0.0 rad |
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| 75 | |
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| 76 | // pars[10]: dispersion of radius |
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| 77 | // pars[11]: dispersion of thickness |
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| 78 | // pars[12]: dispersion of axis_theta |
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| 79 | // pars[13]: dispersion of axis_phi |
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| 80 | // pars[14]: number of points in dispersion curve |
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| 81 | |
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| 82 | */ |
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| 83 | double disperse_core_shell_cylinder_analytical_2D(double dp[], double q, double phi) { |
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| 84 | int paramList[4]; |
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| 85 | double sigmaList[4]; |
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| 86 | int npts; |
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| 87 | int i; |
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| 88 | double pars[15]; |
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| 89 | |
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| 90 | // radius |
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| 91 | paramList[0] = 1; |
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| 92 | // thickness |
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| 93 | paramList[1] = 2; |
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| 94 | // axis_theta |
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| 95 | paramList[2] = 8; |
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| 96 | // axis_phi |
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| 97 | paramList[3] = 9; |
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| 98 | |
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| 99 | sigmaList[0] = dp[10]; |
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| 100 | sigmaList[1] = dp[11]; |
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| 101 | sigmaList[2] = dp[12]; |
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| 102 | sigmaList[3] = dp[13]; |
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| 103 | |
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| 104 | npts = (int)(floor(dp[14])); |
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| 105 | |
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| 106 | |
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| 107 | // Internal copy of parameters |
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| 108 | for(i=0; i<15; i++ ) { |
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| 109 | pars[i] = dp[i]; |
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| 110 | } |
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| 111 | |
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| 112 | return c_disperser( &oriented_core_shell_cylinder_2D, pars, 4, |
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| 113 | paramList, sigmaList, npts, q, phi ); |
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| 114 | |
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| 115 | |
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| 116 | } |
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| 117 | |
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