[0f5bc9f] | 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 | /** CSphereModel |
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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 sphere.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 "sphere.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 * CSphereModelError = 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 | SphereModel * model; |
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| 51 | /// Log for unit testing |
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| 52 | PyObject * log; |
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| 53 | } CSphereModel; |
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| 54 | |
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| 55 | |
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| 56 | static void |
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| 57 | CSphereModel_dealloc(CSphereModel* 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 | CSphereModel_new(PyTypeObject *type, PyObject *args, PyObject *kwds) |
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| 66 | { |
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| 67 | CSphereModel *self; |
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| 68 | |
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| 69 | self = (CSphereModel *)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 | CSphereModel_init(CSphereModel *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 SphereModel(); |
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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",0.000001)); |
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| 86 | PyDict_SetItemString(self->params,"radius",Py_BuildValue("d",60.000000)); |
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| 87 | PyDict_SetItemString(self->params,"background",Py_BuildValue("d",0.000000)); |
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| 88 | PyDict_SetItemString(self->params,"contrast",Py_BuildValue("d",1.000000)); |
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| 89 | // Initialize dispersion / averaging parameter dict |
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| 90 | DispersionVisitor* visitor = new DispersionVisitor(); |
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| 91 | PyObject * disp_dict; |
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| 92 | disp_dict = PyDict_New(); |
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| 93 | self->model->radius.dispersion->accept_as_source(visitor, self->model->radius.dispersion, disp_dict); |
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| 94 | PyDict_SetItemString(self->dispersion, "radius", disp_dict); |
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| 95 | |
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| 96 | |
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| 97 | |
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| 98 | // Create empty log |
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| 99 | self->log = PyDict_New(); |
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| 100 | |
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| 101 | |
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| 102 | |
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| 103 | } |
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| 104 | return 0; |
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| 105 | } |
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| 106 | |
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| 107 | static PyMemberDef CSphereModel_members[] = { |
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| 108 | {"params", T_OBJECT, offsetof(CSphereModel, params), 0, |
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| 109 | "Parameters"}, |
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| 110 | {"dispersion", T_OBJECT, offsetof(CSphereModel, dispersion), 0, |
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| 111 | "Dispersion parameters"}, |
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| 112 | {"log", T_OBJECT, offsetof(CSphereModel, log), 0, |
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| 113 | "Log"}, |
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| 114 | {NULL} /* Sentinel */ |
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| 115 | }; |
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| 116 | |
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| 117 | /** Read double from PyObject |
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| 118 | @param p PyObject |
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| 119 | @return double |
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| 120 | */ |
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| 121 | double CSphereModel_readDouble(PyObject *p) { |
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| 122 | if (PyFloat_Check(p)==1) { |
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| 123 | return (double)(((PyFloatObject *)(p))->ob_fval); |
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| 124 | } else if (PyInt_Check(p)==1) { |
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| 125 | return (double)(((PyIntObject *)(p))->ob_ival); |
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| 126 | } else if (PyLong_Check(p)==1) { |
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| 127 | return (double)PyLong_AsLong(p); |
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| 128 | } else { |
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| 129 | return 0.0; |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | |
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| 134 | /** |
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| 135 | * Function to call to evaluate model |
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| 136 | * @param args: input q or [q,phi] |
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| 137 | * @return: function value |
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| 138 | */ |
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| 139 | static PyObject * run(CSphereModel *self, PyObject *args) { |
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| 140 | double q_value, phi_value; |
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| 141 | PyObject* pars; |
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| 142 | int npars; |
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| 143 | |
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| 144 | // Get parameters |
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| 145 | |
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| 146 | // Reader parameter dictionary |
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| 147 | self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") ); |
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| 148 | self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") ); |
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| 149 | self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") ); |
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| 150 | self->model->contrast = PyFloat_AsDouble( PyDict_GetItemString(self->params, "contrast") ); |
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| 151 | // Read in dispersion parameters |
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| 152 | PyObject* disp_dict; |
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| 153 | DispersionVisitor* visitor = new DispersionVisitor(); |
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| 154 | disp_dict = PyDict_GetItemString(self->dispersion, "radius"); |
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| 155 | self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict); |
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| 156 | |
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| 157 | |
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| 158 | // Get input and determine whether we have to supply a 1D or 2D return value. |
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| 159 | if ( !PyArg_ParseTuple(args,"O",&pars) ) { |
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| 160 | PyErr_SetString(CSphereModelError, |
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| 161 | "CSphereModel.run expects a q value."); |
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| 162 | return NULL; |
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| 163 | } |
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| 164 | |
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| 165 | // Check params |
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| 166 | if( PyList_Check(pars)==1) { |
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| 167 | |
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| 168 | // Length of list should be 2 for I(q,phi) |
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| 169 | npars = PyList_GET_SIZE(pars); |
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| 170 | if(npars!=2) { |
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| 171 | PyErr_SetString(CSphereModelError, |
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| 172 | "CSphereModel.run expects a double or a list of dimension 2."); |
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| 173 | return NULL; |
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| 174 | } |
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| 175 | // We have a vector q, get the q and phi values at which |
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| 176 | // to evaluate I(q,phi) |
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| 177 | q_value = CSphereModel_readDouble(PyList_GET_ITEM(pars,0)); |
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| 178 | phi_value = CSphereModel_readDouble(PyList_GET_ITEM(pars,1)); |
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| 179 | // Skip zero |
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| 180 | if (q_value==0) { |
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| 181 | return Py_BuildValue("d",0.0); |
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| 182 | } |
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| 183 | return Py_BuildValue("d",(*(self->model)).evaluate_rphi(q_value,phi_value)); |
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| 184 | |
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| 185 | } else { |
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| 186 | |
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| 187 | // We have a scalar q, we will evaluate I(q) |
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| 188 | q_value = CSphereModel_readDouble(pars); |
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| 189 | |
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| 190 | return Py_BuildValue("d",(*(self->model))(q_value)); |
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| 191 | } |
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| 192 | } |
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| 193 | |
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| 194 | /** |
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| 195 | * Function to call to evaluate model in cartesian coordinates |
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| 196 | * @param args: input q or [qx, qy]] |
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| 197 | * @return: function value |
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| 198 | */ |
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| 199 | static PyObject * runXY(CSphereModel *self, PyObject *args) { |
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| 200 | double qx_value, qy_value; |
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| 201 | PyObject* pars; |
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| 202 | int npars; |
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| 203 | |
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| 204 | // Get parameters |
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| 205 | |
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| 206 | // Reader parameter dictionary |
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| 207 | self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") ); |
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| 208 | self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") ); |
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| 209 | self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") ); |
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| 210 | self->model->contrast = PyFloat_AsDouble( PyDict_GetItemString(self->params, "contrast") ); |
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| 211 | // Read in dispersion parameters |
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| 212 | PyObject* disp_dict; |
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| 213 | DispersionVisitor* visitor = new DispersionVisitor(); |
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| 214 | disp_dict = PyDict_GetItemString(self->dispersion, "radius"); |
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| 215 | self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict); |
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| 216 | |
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| 217 | |
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| 218 | // Get input and determine whether we have to supply a 1D or 2D return value. |
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| 219 | if ( !PyArg_ParseTuple(args,"O",&pars) ) { |
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| 220 | PyErr_SetString(CSphereModelError, |
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| 221 | "CSphereModel.run expects a q value."); |
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| 222 | return NULL; |
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| 223 | } |
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| 224 | |
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| 225 | // Check params |
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| 226 | if( PyList_Check(pars)==1) { |
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| 227 | |
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| 228 | // Length of list should be 2 for I(qx, qy)) |
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| 229 | npars = PyList_GET_SIZE(pars); |
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| 230 | if(npars!=2) { |
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| 231 | PyErr_SetString(CSphereModelError, |
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| 232 | "CSphereModel.run expects a double or a list of dimension 2."); |
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| 233 | return NULL; |
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| 234 | } |
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| 235 | // We have a vector q, get the qx and qy values at which |
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| 236 | // to evaluate I(qx,qy) |
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| 237 | qx_value = CSphereModel_readDouble(PyList_GET_ITEM(pars,0)); |
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| 238 | qy_value = CSphereModel_readDouble(PyList_GET_ITEM(pars,1)); |
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| 239 | return Py_BuildValue("d",(*(self->model))(qx_value,qy_value)); |
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| 240 | |
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| 241 | } else { |
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| 242 | |
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| 243 | // We have a scalar q, we will evaluate I(q) |
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| 244 | qx_value = CSphereModel_readDouble(pars); |
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| 245 | |
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| 246 | return Py_BuildValue("d",(*(self->model))(qx_value)); |
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| 247 | } |
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| 248 | } |
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| 249 | |
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| 250 | static PyObject * reset(CSphereModel *self, PyObject *args) { |
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| 251 | |
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| 252 | |
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| 253 | return Py_BuildValue("d",0.0); |
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| 254 | } |
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| 255 | |
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| 256 | static PyObject * set_dispersion(CSphereModel *self, PyObject *args) { |
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| 257 | PyObject * disp; |
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| 258 | const char * par_name; |
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| 259 | |
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| 260 | if ( !PyArg_ParseTuple(args,"sO", &par_name, &disp) ) { |
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| 261 | PyErr_SetString(CSphereModelError, |
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| 262 | "CSphereModel.set_dispersion expects a DispersionModel object."); |
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| 263 | return NULL; |
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| 264 | } |
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| 265 | void *temp = PyCObject_AsVoidPtr(disp); |
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| 266 | DispersionModel * dispersion = static_cast<DispersionModel *>(temp); |
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| 267 | |
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| 268 | |
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| 269 | // Ugliness necessary to go from python to C |
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| 270 | // TODO: refactor this |
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| 271 | if (!strcmp(par_name, "radius")) { |
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| 272 | self->model->radius.dispersion = dispersion; |
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| 273 | } else { |
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| 274 | PyErr_SetString(CSphereModelError, |
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| 275 | "CSphereModel.set_dispersion expects a valid parameter name."); |
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| 276 | return NULL; |
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| 277 | } |
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| 278 | |
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| 279 | DispersionVisitor* visitor = new DispersionVisitor(); |
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| 280 | PyObject * disp_dict = PyDict_New(); |
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| 281 | dispersion->accept_as_source(visitor, dispersion, disp_dict); |
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| 282 | PyDict_SetItemString(self->dispersion, par_name, disp_dict); |
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| 283 | return Py_BuildValue("i",1); |
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| 284 | } |
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| 285 | |
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| 286 | |
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| 287 | static PyMethodDef CSphereModel_methods[] = { |
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| 288 | {"run", (PyCFunction)run , METH_VARARGS, |
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| 289 | "Evaluate the model at a given Q or Q, phi"}, |
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| 290 | {"runXY", (PyCFunction)runXY , METH_VARARGS, |
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| 291 | "Evaluate the model at a given Q or Qx, Qy"}, |
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| 292 | {"reset", (PyCFunction)reset , METH_VARARGS, |
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| 293 | "Reset pair correlation"}, |
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| 294 | {"set_dispersion", (PyCFunction)set_dispersion , METH_VARARGS, |
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| 295 | "Set the dispersion model for a given parameter"}, |
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| 296 | {NULL} |
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| 297 | }; |
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| 298 | |
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| 299 | static PyTypeObject CSphereModelType = { |
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| 300 | PyObject_HEAD_INIT(NULL) |
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| 301 | 0, /*ob_size*/ |
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| 302 | "CSphereModel", /*tp_name*/ |
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| 303 | sizeof(CSphereModel), /*tp_basicsize*/ |
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| 304 | 0, /*tp_itemsize*/ |
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| 305 | (destructor)CSphereModel_dealloc, /*tp_dealloc*/ |
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| 306 | 0, /*tp_print*/ |
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| 307 | 0, /*tp_getattr*/ |
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| 308 | 0, /*tp_setattr*/ |
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| 309 | 0, /*tp_compare*/ |
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| 310 | 0, /*tp_repr*/ |
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| 311 | 0, /*tp_as_number*/ |
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| 312 | 0, /*tp_as_sequence*/ |
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| 313 | 0, /*tp_as_mapping*/ |
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| 314 | 0, /*tp_hash */ |
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| 315 | 0, /*tp_call*/ |
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| 316 | 0, /*tp_str*/ |
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| 317 | 0, /*tp_getattro*/ |
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| 318 | 0, /*tp_setattro*/ |
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| 319 | 0, /*tp_as_buffer*/ |
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| 320 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/ |
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| 321 | "CSphereModel objects", /* tp_doc */ |
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| 322 | 0, /* tp_traverse */ |
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| 323 | 0, /* tp_clear */ |
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| 324 | 0, /* tp_richcompare */ |
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| 325 | 0, /* tp_weaklistoffset */ |
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| 326 | 0, /* tp_iter */ |
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| 327 | 0, /* tp_iternext */ |
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| 328 | CSphereModel_methods, /* tp_methods */ |
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| 329 | CSphereModel_members, /* tp_members */ |
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| 330 | 0, /* tp_getset */ |
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| 331 | 0, /* tp_base */ |
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| 332 | 0, /* tp_dict */ |
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| 333 | 0, /* tp_descr_get */ |
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| 334 | 0, /* tp_descr_set */ |
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| 335 | 0, /* tp_dictoffset */ |
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| 336 | (initproc)CSphereModel_init, /* tp_init */ |
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| 337 | 0, /* tp_alloc */ |
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| 338 | CSphereModel_new, /* tp_new */ |
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| 339 | }; |
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| 340 | |
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| 341 | |
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| 342 | static PyMethodDef module_methods[] = { |
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| 343 | {NULL} |
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| 344 | }; |
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| 345 | |
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| 346 | /** |
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| 347 | * Function used to add the model class to a module |
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| 348 | * @param module: module to add the class to |
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| 349 | */ |
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| 350 | void addCSphereModel(PyObject *module) { |
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| 351 | PyObject *d; |
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| 352 | |
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| 353 | if (PyType_Ready(&CSphereModelType) < 0) |
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| 354 | return; |
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| 355 | |
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| 356 | Py_INCREF(&CSphereModelType); |
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| 357 | PyModule_AddObject(module, "CSphereModel", (PyObject *)&CSphereModelType); |
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| 358 | |
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| 359 | d = PyModule_GetDict(module); |
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| 360 | CSphereModelError = PyErr_NewException("CSphereModel.error", NULL, NULL); |
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| 361 | PyDict_SetItemString(d, "CSphereModelError", CSphereModelError); |
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| 362 | } |
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| 363 | |
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