1 | /** |
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2 | This software was developed by the University of Tennessee as part of the |
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3 | Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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4 | project funded by the US National Science Foundation. |
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5 | |
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6 | If you use DANSE applications to do scientific research that leads to |
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7 | publication, we ask that you acknowledge the use of the software with the |
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8 | following sentence: |
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9 | |
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10 | "This work benefited from DANSE software developed under NSF award DMR-0520547." |
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11 | |
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12 | copyright 2008, University of Tennessee |
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13 | */ |
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14 | |
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15 | /** CHollowCylinderModel |
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16 | * |
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17 | * C extension |
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18 | * |
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19 | * WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY |
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20 | * DO NOT MODIFY THIS FILE, MODIFY hollow_cylinder.h |
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21 | * AND RE-RUN THE GENERATOR SCRIPT |
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22 | * |
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23 | */ |
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24 | |
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25 | extern "C" { |
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26 | #include <Python.h> |
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27 | #include "structmember.h" |
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28 | #include <stdio.h> |
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29 | #include <stdlib.h> |
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30 | #include <math.h> |
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31 | #include <time.h> |
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32 | #include "hollow_cylinder.h" |
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33 | } |
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34 | |
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35 | #include "models.hh" |
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36 | #include "dispersion_visitor.hh" |
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37 | |
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38 | /// Error object for raised exceptions |
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39 | static PyObject * CHollowCylinderModelError = NULL; |
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40 | |
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41 | |
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42 | // Class definition |
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43 | typedef struct { |
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44 | PyObject_HEAD |
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45 | /// Parameters |
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46 | PyObject * params; |
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47 | /// Dispersion parameters |
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48 | PyObject * dispersion; |
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49 | /// Underlying model object |
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50 | HollowCylinderModel * model; |
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51 | /// Log for unit testing |
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52 | PyObject * log; |
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53 | } CHollowCylinderModel; |
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54 | |
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55 | |
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56 | static void |
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57 | CHollowCylinderModel_dealloc(CHollowCylinderModel* self) |
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58 | { |
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59 | self->ob_type->tp_free((PyObject*)self); |
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60 | |
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61 | |
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62 | } |
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63 | |
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64 | static PyObject * |
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65 | CHollowCylinderModel_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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66 | { |
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67 | CHollowCylinderModel *self; |
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68 | |
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69 | self = (CHollowCylinderModel *)type->tp_alloc(type, 0); |
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70 | |
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71 | return (PyObject *)self; |
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72 | } |
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73 | |
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74 | static int |
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75 | CHollowCylinderModel_init(CHollowCylinderModel *self, PyObject *args, PyObject *kwds) |
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76 | { |
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77 | if (self != NULL) { |
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78 | |
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79 | // Create parameters |
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80 | self->params = PyDict_New(); |
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81 | self->dispersion = PyDict_New(); |
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82 | self->model = new HollowCylinderModel(); |
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83 | |
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84 | // Initialize parameter dictionary |
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85 | PyDict_SetItemString(self->params,"scale",Py_BuildValue("d",1.000000)); |
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86 | PyDict_SetItemString(self->params,"core_radius",Py_BuildValue("d",20.000000)); |
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87 | PyDict_SetItemString(self->params,"axis_theta",Py_BuildValue("d",1.570000)); |
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88 | PyDict_SetItemString(self->params,"length",Py_BuildValue("d",400.000000)); |
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89 | PyDict_SetItemString(self->params,"axis_phi",Py_BuildValue("d",0.000000)); |
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90 | PyDict_SetItemString(self->params,"background",Py_BuildValue("d",0.010000)); |
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91 | PyDict_SetItemString(self->params,"shell_radius",Py_BuildValue("d",30.000000)); |
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92 | PyDict_SetItemString(self->params,"contrast",Py_BuildValue("d",0.000005)); |
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93 | // Initialize dispersion / averaging parameter dict |
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94 | DispersionVisitor* visitor = new DispersionVisitor(); |
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95 | PyObject * disp_dict; |
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96 | disp_dict = PyDict_New(); |
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97 | self->model->core_radius.dispersion->accept_as_source(visitor, self->model->core_radius.dispersion, disp_dict); |
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98 | PyDict_SetItemString(self->dispersion, "core_radius", disp_dict); |
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99 | disp_dict = PyDict_New(); |
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100 | self->model->shell_radius.dispersion->accept_as_source(visitor, self->model->shell_radius.dispersion, disp_dict); |
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101 | PyDict_SetItemString(self->dispersion, "shell_radius", disp_dict); |
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102 | disp_dict = PyDict_New(); |
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103 | self->model->length.dispersion->accept_as_source(visitor, self->model->length.dispersion, disp_dict); |
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104 | PyDict_SetItemString(self->dispersion, "length", disp_dict); |
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105 | disp_dict = PyDict_New(); |
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106 | self->model->axis_theta.dispersion->accept_as_source(visitor, self->model->axis_theta.dispersion, disp_dict); |
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107 | PyDict_SetItemString(self->dispersion, "axis_theta", disp_dict); |
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108 | disp_dict = PyDict_New(); |
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109 | self->model->axis_phi.dispersion->accept_as_source(visitor, self->model->axis_phi.dispersion, disp_dict); |
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110 | PyDict_SetItemString(self->dispersion, "axis_phi", disp_dict); |
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111 | |
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112 | |
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113 | |
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114 | // Create empty log |
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115 | self->log = PyDict_New(); |
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116 | |
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117 | |
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118 | |
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119 | } |
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120 | return 0; |
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121 | } |
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122 | |
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123 | static PyMemberDef CHollowCylinderModel_members[] = { |
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124 | {"params", T_OBJECT, offsetof(CHollowCylinderModel, params), 0, |
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125 | "Parameters"}, |
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126 | {"dispersion", T_OBJECT, offsetof(CHollowCylinderModel, dispersion), 0, |
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127 | "Dispersion parameters"}, |
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128 | {"log", T_OBJECT, offsetof(CHollowCylinderModel, log), 0, |
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129 | "Log"}, |
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130 | {NULL} /* Sentinel */ |
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131 | }; |
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132 | |
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133 | /** Read double from PyObject |
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134 | @param p PyObject |
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135 | @return double |
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136 | */ |
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137 | double CHollowCylinderModel_readDouble(PyObject *p) { |
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138 | if (PyFloat_Check(p)==1) { |
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139 | return (double)(((PyFloatObject *)(p))->ob_fval); |
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140 | } else if (PyInt_Check(p)==1) { |
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141 | return (double)(((PyIntObject *)(p))->ob_ival); |
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142 | } else if (PyLong_Check(p)==1) { |
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143 | return (double)PyLong_AsLong(p); |
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144 | } else { |
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145 | return 0.0; |
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146 | } |
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147 | } |
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148 | |
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149 | |
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150 | /** |
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151 | * Function to call to evaluate model |
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152 | * @param args: input q or [q,phi] |
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153 | * @return: function value |
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154 | */ |
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155 | static PyObject * run(CHollowCylinderModel *self, PyObject *args) { |
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156 | double q_value, phi_value; |
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157 | PyObject* pars; |
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158 | int npars; |
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159 | |
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160 | // Get parameters |
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161 | |
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162 | // Reader parameter dictionary |
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163 | self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") ); |
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164 | self->model->core_radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "core_radius") ); |
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165 | self->model->axis_theta = PyFloat_AsDouble( PyDict_GetItemString(self->params, "axis_theta") ); |
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166 | self->model->length = PyFloat_AsDouble( PyDict_GetItemString(self->params, "length") ); |
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167 | self->model->axis_phi = PyFloat_AsDouble( PyDict_GetItemString(self->params, "axis_phi") ); |
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168 | self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") ); |
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169 | self->model->shell_radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "shell_radius") ); |
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170 | self->model->contrast = PyFloat_AsDouble( PyDict_GetItemString(self->params, "contrast") ); |
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171 | // Read in dispersion parameters |
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172 | PyObject* disp_dict; |
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173 | DispersionVisitor* visitor = new DispersionVisitor(); |
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174 | disp_dict = PyDict_GetItemString(self->dispersion, "core_radius"); |
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175 | self->model->core_radius.dispersion->accept_as_destination(visitor, self->model->core_radius.dispersion, disp_dict); |
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176 | disp_dict = PyDict_GetItemString(self->dispersion, "shell_radius"); |
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177 | self->model->shell_radius.dispersion->accept_as_destination(visitor, self->model->shell_radius.dispersion, disp_dict); |
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178 | disp_dict = PyDict_GetItemString(self->dispersion, "length"); |
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179 | self->model->length.dispersion->accept_as_destination(visitor, self->model->length.dispersion, disp_dict); |
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180 | disp_dict = PyDict_GetItemString(self->dispersion, "axis_theta"); |
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181 | self->model->axis_theta.dispersion->accept_as_destination(visitor, self->model->axis_theta.dispersion, disp_dict); |
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182 | disp_dict = PyDict_GetItemString(self->dispersion, "axis_phi"); |
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183 | self->model->axis_phi.dispersion->accept_as_destination(visitor, self->model->axis_phi.dispersion, disp_dict); |
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184 | |
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185 | |
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186 | // Get input and determine whether we have to supply a 1D or 2D return value. |
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187 | if ( !PyArg_ParseTuple(args,"O",&pars) ) { |
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188 | PyErr_SetString(CHollowCylinderModelError, |
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189 | "CHollowCylinderModel.run expects a q value."); |
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190 | return NULL; |
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191 | } |
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192 | |
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193 | // Check params |
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194 | if( PyList_Check(pars)==1) { |
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195 | |
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196 | // Length of list should be 2 for I(q,phi) |
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197 | npars = PyList_GET_SIZE(pars); |
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198 | if(npars!=2) { |
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199 | PyErr_SetString(CHollowCylinderModelError, |
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200 | "CHollowCylinderModel.run expects a double or a list of dimension 2."); |
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201 | return NULL; |
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202 | } |
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203 | // We have a vector q, get the q and phi values at which |
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204 | // to evaluate I(q,phi) |
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205 | q_value = CHollowCylinderModel_readDouble(PyList_GET_ITEM(pars,0)); |
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206 | phi_value = CHollowCylinderModel_readDouble(PyList_GET_ITEM(pars,1)); |
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207 | // Skip zero |
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208 | if (q_value==0) { |
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209 | return Py_BuildValue("d",0.0); |
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210 | } |
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211 | return Py_BuildValue("d",(*(self->model)).evaluate_rphi(q_value,phi_value)); |
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212 | |
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213 | } else { |
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214 | |
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215 | // We have a scalar q, we will evaluate I(q) |
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216 | q_value = CHollowCylinderModel_readDouble(pars); |
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217 | |
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218 | return Py_BuildValue("d",(*(self->model))(q_value)); |
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219 | } |
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220 | } |
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221 | |
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222 | /** |
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223 | * Function to call to evaluate model in cartesian coordinates |
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224 | * @param args: input q or [qx, qy]] |
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225 | * @return: function value |
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226 | */ |
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227 | static PyObject * runXY(CHollowCylinderModel *self, PyObject *args) { |
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228 | double qx_value, qy_value; |
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229 | PyObject* pars; |
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230 | int npars; |
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231 | |
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232 | // Get parameters |
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233 | |
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234 | // Reader parameter dictionary |
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235 | self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") ); |
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236 | self->model->core_radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "core_radius") ); |
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237 | self->model->axis_theta = PyFloat_AsDouble( PyDict_GetItemString(self->params, "axis_theta") ); |
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238 | self->model->length = PyFloat_AsDouble( PyDict_GetItemString(self->params, "length") ); |
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239 | self->model->axis_phi = PyFloat_AsDouble( PyDict_GetItemString(self->params, "axis_phi") ); |
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240 | self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") ); |
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241 | self->model->shell_radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "shell_radius") ); |
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242 | self->model->contrast = PyFloat_AsDouble( PyDict_GetItemString(self->params, "contrast") ); |
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243 | // Read in dispersion parameters |
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244 | PyObject* disp_dict; |
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245 | DispersionVisitor* visitor = new DispersionVisitor(); |
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246 | disp_dict = PyDict_GetItemString(self->dispersion, "core_radius"); |
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247 | self->model->core_radius.dispersion->accept_as_destination(visitor, self->model->core_radius.dispersion, disp_dict); |
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248 | disp_dict = PyDict_GetItemString(self->dispersion, "shell_radius"); |
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249 | self->model->shell_radius.dispersion->accept_as_destination(visitor, self->model->shell_radius.dispersion, disp_dict); |
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250 | disp_dict = PyDict_GetItemString(self->dispersion, "length"); |
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251 | self->model->length.dispersion->accept_as_destination(visitor, self->model->length.dispersion, disp_dict); |
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252 | disp_dict = PyDict_GetItemString(self->dispersion, "axis_theta"); |
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253 | self->model->axis_theta.dispersion->accept_as_destination(visitor, self->model->axis_theta.dispersion, disp_dict); |
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254 | disp_dict = PyDict_GetItemString(self->dispersion, "axis_phi"); |
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255 | self->model->axis_phi.dispersion->accept_as_destination(visitor, self->model->axis_phi.dispersion, disp_dict); |
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256 | |
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257 | |
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258 | // Get input and determine whether we have to supply a 1D or 2D return value. |
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259 | if ( !PyArg_ParseTuple(args,"O",&pars) ) { |
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260 | PyErr_SetString(CHollowCylinderModelError, |
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261 | "CHollowCylinderModel.run expects a q value."); |
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262 | return NULL; |
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263 | } |
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264 | |
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265 | // Check params |
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266 | if( PyList_Check(pars)==1) { |
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267 | |
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268 | // Length of list should be 2 for I(qx, qy)) |
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269 | npars = PyList_GET_SIZE(pars); |
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270 | if(npars!=2) { |
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271 | PyErr_SetString(CHollowCylinderModelError, |
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272 | "CHollowCylinderModel.run expects a double or a list of dimension 2."); |
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273 | return NULL; |
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274 | } |
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275 | // We have a vector q, get the qx and qy values at which |
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276 | // to evaluate I(qx,qy) |
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277 | qx_value = CHollowCylinderModel_readDouble(PyList_GET_ITEM(pars,0)); |
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278 | qy_value = CHollowCylinderModel_readDouble(PyList_GET_ITEM(pars,1)); |
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279 | return Py_BuildValue("d",(*(self->model))(qx_value,qy_value)); |
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280 | |
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281 | } else { |
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282 | |
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283 | // We have a scalar q, we will evaluate I(q) |
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284 | qx_value = CHollowCylinderModel_readDouble(pars); |
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285 | |
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286 | return Py_BuildValue("d",(*(self->model))(qx_value)); |
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287 | } |
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288 | } |
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289 | |
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290 | static PyObject * reset(CHollowCylinderModel *self, PyObject *args) { |
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291 | |
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292 | |
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293 | return Py_BuildValue("d",0.0); |
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294 | } |
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295 | |
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296 | static PyObject * set_dispersion(CHollowCylinderModel *self, PyObject *args) { |
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297 | PyObject * disp; |
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298 | const char * par_name; |
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299 | |
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300 | if ( !PyArg_ParseTuple(args,"sO", &par_name, &disp) ) { |
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301 | PyErr_SetString(CHollowCylinderModelError, |
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302 | "CHollowCylinderModel.set_dispersion expects a DispersionModel object."); |
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303 | return NULL; |
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304 | } |
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305 | void *temp = PyCObject_AsVoidPtr(disp); |
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306 | DispersionModel * dispersion = static_cast<DispersionModel *>(temp); |
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307 | |
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308 | |
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309 | // Ugliness necessary to go from python to C |
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310 | // TODO: refactor this |
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311 | if (!strcmp(par_name, "core_radius")) { |
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312 | self->model->core_radius.dispersion = dispersion; |
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313 | } else if (!strcmp(par_name, "shell_radius")) { |
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314 | self->model->shell_radius.dispersion = dispersion; |
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315 | } else if (!strcmp(par_name, "length")) { |
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316 | self->model->length.dispersion = dispersion; |
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317 | } else if (!strcmp(par_name, "axis_theta")) { |
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318 | self->model->axis_theta.dispersion = dispersion; |
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319 | } else if (!strcmp(par_name, "axis_phi")) { |
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320 | self->model->axis_phi.dispersion = dispersion; |
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321 | } else { |
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322 | PyErr_SetString(CHollowCylinderModelError, |
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323 | "CHollowCylinderModel.set_dispersion expects a valid parameter name."); |
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324 | return NULL; |
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325 | } |
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326 | |
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327 | DispersionVisitor* visitor = new DispersionVisitor(); |
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328 | PyObject * disp_dict = PyDict_New(); |
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329 | dispersion->accept_as_source(visitor, dispersion, disp_dict); |
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330 | PyDict_SetItemString(self->dispersion, par_name, disp_dict); |
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331 | return Py_BuildValue("i",1); |
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332 | } |
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333 | |
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334 | |
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335 | static PyMethodDef CHollowCylinderModel_methods[] = { |
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336 | {"run", (PyCFunction)run , METH_VARARGS, |
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337 | "Evaluate the model at a given Q or Q, phi"}, |
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338 | {"runXY", (PyCFunction)runXY , METH_VARARGS, |
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339 | "Evaluate the model at a given Q or Qx, Qy"}, |
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340 | {"reset", (PyCFunction)reset , METH_VARARGS, |
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341 | "Reset pair correlation"}, |
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342 | {"set_dispersion", (PyCFunction)set_dispersion , METH_VARARGS, |
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343 | "Set the dispersion model for a given parameter"}, |
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344 | {NULL} |
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345 | }; |
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346 | |
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347 | static PyTypeObject CHollowCylinderModelType = { |
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348 | PyObject_HEAD_INIT(NULL) |
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349 | 0, /*ob_size*/ |
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350 | "CHollowCylinderModel", /*tp_name*/ |
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351 | sizeof(CHollowCylinderModel), /*tp_basicsize*/ |
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352 | 0, /*tp_itemsize*/ |
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353 | (destructor)CHollowCylinderModel_dealloc, /*tp_dealloc*/ |
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354 | 0, /*tp_print*/ |
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355 | 0, /*tp_getattr*/ |
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356 | 0, /*tp_setattr*/ |
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357 | 0, /*tp_compare*/ |
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358 | 0, /*tp_repr*/ |
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359 | 0, /*tp_as_number*/ |
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360 | 0, /*tp_as_sequence*/ |
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361 | 0, /*tp_as_mapping*/ |
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362 | 0, /*tp_hash */ |
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363 | 0, /*tp_call*/ |
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364 | 0, /*tp_str*/ |
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365 | 0, /*tp_getattro*/ |
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366 | 0, /*tp_setattro*/ |
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367 | 0, /*tp_as_buffer*/ |
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368 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
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369 | "CHollowCylinderModel objects", /* tp_doc */ |
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370 | 0, /* tp_traverse */ |
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371 | 0, /* tp_clear */ |
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372 | 0, /* tp_richcompare */ |
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373 | 0, /* tp_weaklistoffset */ |
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374 | 0, /* tp_iter */ |
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375 | 0, /* tp_iternext */ |
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376 | CHollowCylinderModel_methods, /* tp_methods */ |
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377 | CHollowCylinderModel_members, /* tp_members */ |
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378 | 0, /* tp_getset */ |
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379 | 0, /* tp_base */ |
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380 | 0, /* tp_dict */ |
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381 | 0, /* tp_descr_get */ |
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382 | 0, /* tp_descr_set */ |
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383 | 0, /* tp_dictoffset */ |
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384 | (initproc)CHollowCylinderModel_init, /* tp_init */ |
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385 | 0, /* tp_alloc */ |
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386 | CHollowCylinderModel_new, /* tp_new */ |
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387 | }; |
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388 | |
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389 | |
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390 | static PyMethodDef module_methods[] = { |
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391 | {NULL} |
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392 | }; |
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393 | |
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394 | /** |
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395 | * Function used to add the model class to a module |
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396 | * @param module: module to add the class to |
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397 | */ |
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398 | void addCHollowCylinderModel(PyObject *module) { |
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399 | PyObject *d; |
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400 | |
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401 | if (PyType_Ready(&CHollowCylinderModelType) < 0) |
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402 | return; |
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403 | |
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404 | Py_INCREF(&CHollowCylinderModelType); |
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405 | PyModule_AddObject(module, "CHollowCylinderModel", (PyObject *)&CHollowCylinderModelType); |
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406 | |
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407 | d = PyModule_GetDict(module); |
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408 | CHollowCylinderModelError = PyErr_NewException("CHollowCylinderModel.error", NULL, NULL); |
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409 | PyDict_SetItemString(d, "CHollowCylinderModelError", CHollowCylinderModelError); |
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410 | } |
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411 | |
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