source: sasview/sansmodels/src/sans/models/c_models/CPearlNecklaceModel.cpp @ 4c5448c

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Last change on this file since 4c5448c was 8f5b34a, checked in by Mathieu Doucet <doucetm@…>, 13 years ago

Re #7 Bring back deprecated numpy function (new call signature doesn't quite work)
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1/**
2        This software was developed by the University of Tennessee as part of the
3        Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
4        project funded by the US National Science Foundation.
5
6        If you use DANSE applications to do scientific research that leads to
7        publication, we ask that you acknowledge the use of the software with the
8        following sentence:
9
10        "This work benefited from DANSE software developed under NSF award DMR-0520547."
11
12        copyright 2008, University of Tennessee
13 */
14
15/** CPearlNecklaceModel
16 *
17 * C extension
18 *
19 * WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
20 *          DO NOT MODIFY THIS FILE, MODIFY pearlnecklace.h
21 *          AND RE-RUN THE GENERATOR SCRIPT
22 *
23 */
24#define NO_IMPORT_ARRAY
25#define PY_ARRAY_UNIQUE_SYMBOL PyArray_API_sans
26 
27extern "C" {
28#include <Python.h>
29#include <arrayobject.h>
30#include "structmember.h"
31#include <stdio.h>
32#include <stdlib.h>
33#include <math.h>
34#include <time.h>
35#include "pearlnecklace.h"
36}
37
38#include "models.hh"
39#include "dispersion_visitor.hh"
40
41/// Error object for raised exceptions
42static PyObject * CPearlNecklaceModelError = NULL;
43
44
45// Class definition
46typedef struct {
47    PyObject_HEAD
48    /// Parameters
49    PyObject * params;
50    /// Dispersion parameters
51    PyObject * dispersion;
52    /// Underlying model object
53    PearlNecklaceModel * model;
54    /// Log for unit testing
55    PyObject * log;
56} CPearlNecklaceModel;
57
58
59static void
60CPearlNecklaceModel_dealloc(CPearlNecklaceModel* self)
61{
62    Py_DECREF(self->params);
63    Py_DECREF(self->dispersion);
64    Py_DECREF(self->log);
65    delete self->model;
66    self->ob_type->tp_free((PyObject*)self);
67   
68
69}
70
71static PyObject *
72CPearlNecklaceModel_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
73{
74    CPearlNecklaceModel *self;
75   
76    self = (CPearlNecklaceModel *)type->tp_alloc(type, 0);
77   
78    return (PyObject *)self;
79}
80
81static int
82CPearlNecklaceModel_init(CPearlNecklaceModel *self, PyObject *args, PyObject *kwds)
83{
84    if (self != NULL) {
85       
86        // Create parameters
87        self->params = PyDict_New();
88        self->dispersion = PyDict_New();
89        self->model = new PearlNecklaceModel();
90       
91        // Initialize parameter dictionary
92        PyDict_SetItemString(self->params,"num_pearls",Py_BuildValue("d",3.000000000000));
93        PyDict_SetItemString(self->params,"scale",Py_BuildValue("d",1.000000000000));
94        PyDict_SetItemString(self->params,"thick_string",Py_BuildValue("d",2.500000000000));
95        PyDict_SetItemString(self->params,"sld_string",Py_BuildValue("d",0.000001000000));
96        PyDict_SetItemString(self->params,"edge_separation",Py_BuildValue("d",350.000000000000));
97        PyDict_SetItemString(self->params,"sld_pearl",Py_BuildValue("d",0.000001000000));
98        PyDict_SetItemString(self->params,"radius",Py_BuildValue("d",80.000000000000));
99        PyDict_SetItemString(self->params,"background",Py_BuildValue("d",0.000000000000));
100        PyDict_SetItemString(self->params,"sld_solv",Py_BuildValue("d",0.000006300000));
101        // Initialize dispersion / averaging parameter dict
102        DispersionVisitor* visitor = new DispersionVisitor();
103        PyObject * disp_dict;
104        disp_dict = PyDict_New();
105        self->model->radius.dispersion->accept_as_source(visitor, self->model->radius.dispersion, disp_dict);
106        PyDict_SetItemString(self->dispersion, "radius", disp_dict);
107        disp_dict = PyDict_New();
108        self->model->edge_separation.dispersion->accept_as_source(visitor, self->model->edge_separation.dispersion, disp_dict);
109        PyDict_SetItemString(self->dispersion, "edge_separation", disp_dict);
110
111
112         
113        // Create empty log
114        self->log = PyDict_New();
115       
116       
117
118    }
119    return 0;
120}
121
122static char name_params[] = "params";
123static char def_params[] = "Parameters";
124static char name_dispersion[] = "dispersion";
125static char def_dispersion[] = "Dispersion parameters";
126static char name_log[] = "log";
127static char def_log[] = "Log";
128
129static PyMemberDef CPearlNecklaceModel_members[] = {
130    {name_params, T_OBJECT, offsetof(CPearlNecklaceModel, params), 0, def_params},
131        {name_dispersion, T_OBJECT, offsetof(CPearlNecklaceModel, dispersion), 0, def_dispersion},     
132    {name_log, T_OBJECT, offsetof(CPearlNecklaceModel, log), 0, def_log},
133    {NULL}  /* Sentinel */
134};
135
136/** Read double from PyObject
137    @param p PyObject
138    @return double
139*/
140double CPearlNecklaceModel_readDouble(PyObject *p) {
141    if (PyFloat_Check(p)==1) {
142        return (double)(((PyFloatObject *)(p))->ob_fval);
143    } else if (PyInt_Check(p)==1) {
144        return (double)(((PyIntObject *)(p))->ob_ival);
145    } else if (PyLong_Check(p)==1) {
146        return (double)PyLong_AsLong(p);
147    } else {
148        return 0.0;
149    }
150}
151/**
152 * Function to call to evaluate model
153 * @param args: input numpy array q[]
154 * @return: numpy array object
155 */
156 
157static PyObject *evaluateOneDim(PearlNecklaceModel* model, PyArrayObject *q){
158    PyArrayObject *result;
159   
160    // Check validity of array q , q must be of dimension 1, an array of double
161    if (q->nd != 1 || q->descr->type_num != PyArray_DOUBLE)
162    {
163        //const char * message= "Invalid array: q->nd=%d,type_num=%d\n",q->nd,q->descr->type_num;
164        //PyErr_SetString(PyExc_ValueError , message);
165        return NULL;
166    }
167    result = (PyArrayObject *)PyArray_FromDims(q->nd, (int *)(q->dimensions), PyArray_DOUBLE);
168        if (result == NULL) {
169        const char * message= "Could not create result ";
170        PyErr_SetString(PyExc_RuntimeError , message);
171                return NULL;
172        }
173#pragma omp parallel for
174         for (int i = 0; i < q->dimensions[0]; i++){
175      double q_value  = *(double *)(q->data + i*q->strides[0]);
176      double *result_value = (double *)(result->data + i*result->strides[0]);
177      *result_value =(*model)(q_value);
178        }
179    return PyArray_Return(result); 
180 }
181
182 /**
183 * Function to call to evaluate model
184 * @param args: input numpy array  [x[],y[]]
185 * @return: numpy array object
186 */
187 static PyObject * evaluateTwoDimXY( PearlNecklaceModel* model, 
188                              PyArrayObject *x, PyArrayObject *y)
189 {
190    PyArrayObject *result;
191    int x_len, y_len, dims[1];
192    //check validity of input vectors
193    if (x->nd != 1 || x->descr->type_num != PyArray_DOUBLE
194        || y->nd != 1 || y->descr->type_num != PyArray_DOUBLE
195        || y->dimensions[0] != x->dimensions[0]){
196        const char * message= "evaluateTwoDimXY  expect 2 numpy arrays";
197        PyErr_SetString(PyExc_ValueError , message); 
198        return NULL;
199    }
200   
201        if (PyArray_Check(x) && PyArray_Check(y)) {
202               
203            x_len = dims[0]= x->dimensions[0];
204        y_len = dims[0]= y->dimensions[0];
205           
206            // Make a new double matrix of same dims
207        result=(PyArrayObject *) PyArray_FromDims(1,dims,NPY_DOUBLE);
208        if (result == NULL){
209            const char * message= "Could not create result ";
210        PyErr_SetString(PyExc_RuntimeError , message);
211            return NULL;
212            }
213       
214        /* Do the calculation. */
215#pragma omp parallel for
216        for (int i=0; i< x_len; i++) {
217            double x_value = *(double *)(x->data + i*x->strides[0]);
218                    double y_value = *(double *)(y->data + i*y->strides[0]);
219                        double *result_value = (double *)(result->data +
220                              i*result->strides[0]);
221                        *result_value = (*model)(x_value, y_value);
222        }           
223        return PyArray_Return(result); 
224       
225        }else{
226                    PyErr_SetString(CPearlNecklaceModelError, 
227                   "CPearlNecklaceModel.evaluateTwoDimXY couldn't run.");
228                return NULL;
229                }       
230}
231/**
232 *  evalDistribution function evaluate a model function with input vector
233 *  @param args: input q as vector or [qx, qy] where qx, qy are vectors
234 *
235 */ 
236static PyObject * evalDistribution(CPearlNecklaceModel *self, PyObject *args){
237        PyObject *qx, *qy;
238        PyArrayObject * pars;
239        int npars ,mpars;
240       
241        // Get parameters
242       
243            // Reader parameter dictionary
244    self->model->num_pearls = PyFloat_AsDouble( PyDict_GetItemString(self->params, "num_pearls") );
245    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
246    self->model->thick_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_string") );
247    self->model->sld_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_string") );
248    self->model->edge_separation = PyFloat_AsDouble( PyDict_GetItemString(self->params, "edge_separation") );
249    self->model->sld_pearl = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_pearl") );
250    self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") );
251    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
252    self->model->sld_solv = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_solv") );
253    // Read in dispersion parameters
254    PyObject* disp_dict;
255    DispersionVisitor* visitor = new DispersionVisitor();
256    disp_dict = PyDict_GetItemString(self->dispersion, "radius");
257    self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict);
258    disp_dict = PyDict_GetItemString(self->dispersion, "edge_separation");
259    self->model->edge_separation.dispersion->accept_as_destination(visitor, self->model->edge_separation.dispersion, disp_dict);
260
261       
262        // Get input and determine whether we have to supply a 1D or 2D return value.
263        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
264            PyErr_SetString(CPearlNecklaceModelError, 
265                "CPearlNecklaceModel.evalDistribution expects a q value.");
266                return NULL;
267        }
268    // Check params
269       
270    if(PyArray_Check(pars)==1) {
271               
272            // Length of list should 1 or 2
273            npars = pars->nd; 
274            if(npars==1) {
275                // input is a numpy array
276                if (PyArray_Check(pars)) {
277                        return evaluateOneDim(self->model, (PyArrayObject*)pars); 
278                    }
279                }else{
280                    PyErr_SetString(CPearlNecklaceModelError, 
281                   "CPearlNecklaceModel.evalDistribution expect numpy array of one dimension.");
282                return NULL;
283                }
284    }else if( PyList_Check(pars)==1) {
285        // Length of list should be 2 for I(qx,qy)
286            mpars = PyList_GET_SIZE(pars); 
287            if(mpars!=2) {
288                PyErr_SetString(CPearlNecklaceModelError, 
289                        "CPearlNecklaceModel.evalDistribution expects a list of dimension 2.");
290                return NULL;
291            }
292             qx = PyList_GET_ITEM(pars,0);
293             qy = PyList_GET_ITEM(pars,1);
294             if (PyArray_Check(qx) && PyArray_Check(qy)) {
295                 return evaluateTwoDimXY(self->model, (PyArrayObject*)qx,
296                           (PyArrayObject*)qy);
297                 }else{
298                    PyErr_SetString(CPearlNecklaceModelError, 
299                   "CPearlNecklaceModel.evalDistribution expect 2 numpy arrays in list.");
300                return NULL;
301             }
302        }
303        PyErr_SetString(CPearlNecklaceModelError, 
304                   "CPearlNecklaceModel.evalDistribution couln't be run.");
305        return NULL;
306       
307}
308
309/**
310 * Function to call to evaluate model
311 * @param args: input q or [q,phi]
312 * @return: function value
313 */
314static PyObject * run(CPearlNecklaceModel *self, PyObject *args) {
315        double q_value, phi_value;
316        PyObject* pars;
317        int npars;
318       
319        // Get parameters
320       
321            // Reader parameter dictionary
322    self->model->num_pearls = PyFloat_AsDouble( PyDict_GetItemString(self->params, "num_pearls") );
323    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
324    self->model->thick_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_string") );
325    self->model->sld_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_string") );
326    self->model->edge_separation = PyFloat_AsDouble( PyDict_GetItemString(self->params, "edge_separation") );
327    self->model->sld_pearl = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_pearl") );
328    self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") );
329    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
330    self->model->sld_solv = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_solv") );
331    // Read in dispersion parameters
332    PyObject* disp_dict;
333    DispersionVisitor* visitor = new DispersionVisitor();
334    disp_dict = PyDict_GetItemString(self->dispersion, "radius");
335    self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict);
336    disp_dict = PyDict_GetItemString(self->dispersion, "edge_separation");
337    self->model->edge_separation.dispersion->accept_as_destination(visitor, self->model->edge_separation.dispersion, disp_dict);
338
339       
340        // Get input and determine whether we have to supply a 1D or 2D return value.
341        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
342            PyErr_SetString(CPearlNecklaceModelError, 
343                "CPearlNecklaceModel.run expects a q value.");
344                return NULL;
345        }
346         
347        // Check params
348        if( PyList_Check(pars)==1) {
349               
350                // Length of list should be 2 for I(q,phi)
351            npars = PyList_GET_SIZE(pars); 
352            if(npars!=2) {
353                PyErr_SetString(CPearlNecklaceModelError, 
354                        "CPearlNecklaceModel.run expects a double or a list of dimension 2.");
355                return NULL;
356            }
357            // We have a vector q, get the q and phi values at which
358            // to evaluate I(q,phi)
359            q_value = CPearlNecklaceModel_readDouble(PyList_GET_ITEM(pars,0));
360            phi_value = CPearlNecklaceModel_readDouble(PyList_GET_ITEM(pars,1));
361            // Skip zero
362            if (q_value==0) {
363                return Py_BuildValue("d",0.0);
364            }
365                return Py_BuildValue("d",(*(self->model)).evaluate_rphi(q_value,phi_value));
366
367        } else {
368
369                // We have a scalar q, we will evaluate I(q)
370                q_value = CPearlNecklaceModel_readDouble(pars);         
371               
372                return Py_BuildValue("d",(*(self->model))(q_value));
373        }       
374}
375/**
376 * Function to call to calculate_ER
377 * @return: effective radius value
378 */
379static PyObject * calculate_ER(CPearlNecklaceModel *self) {
380
381        // Get parameters
382       
383            // Reader parameter dictionary
384    self->model->num_pearls = PyFloat_AsDouble( PyDict_GetItemString(self->params, "num_pearls") );
385    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
386    self->model->thick_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_string") );
387    self->model->sld_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_string") );
388    self->model->edge_separation = PyFloat_AsDouble( PyDict_GetItemString(self->params, "edge_separation") );
389    self->model->sld_pearl = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_pearl") );
390    self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") );
391    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
392    self->model->sld_solv = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_solv") );
393    // Read in dispersion parameters
394    PyObject* disp_dict;
395    DispersionVisitor* visitor = new DispersionVisitor();
396    disp_dict = PyDict_GetItemString(self->dispersion, "radius");
397    self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict);
398    disp_dict = PyDict_GetItemString(self->dispersion, "edge_separation");
399    self->model->edge_separation.dispersion->accept_as_destination(visitor, self->model->edge_separation.dispersion, disp_dict);
400
401               
402        return Py_BuildValue("d",(*(self->model)).calculate_ER());
403
404}
405/**
406 * Function to call to evaluate model in cartesian coordinates
407 * @param args: input q or [qx, qy]]
408 * @return: function value
409 */
410static PyObject * runXY(CPearlNecklaceModel *self, PyObject *args) {
411        double qx_value, qy_value;
412        PyObject* pars;
413        int npars;
414       
415        // Get parameters
416       
417            // Reader parameter dictionary
418    self->model->num_pearls = PyFloat_AsDouble( PyDict_GetItemString(self->params, "num_pearls") );
419    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
420    self->model->thick_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_string") );
421    self->model->sld_string = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_string") );
422    self->model->edge_separation = PyFloat_AsDouble( PyDict_GetItemString(self->params, "edge_separation") );
423    self->model->sld_pearl = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_pearl") );
424    self->model->radius = PyFloat_AsDouble( PyDict_GetItemString(self->params, "radius") );
425    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
426    self->model->sld_solv = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_solv") );
427    // Read in dispersion parameters
428    PyObject* disp_dict;
429    DispersionVisitor* visitor = new DispersionVisitor();
430    disp_dict = PyDict_GetItemString(self->dispersion, "radius");
431    self->model->radius.dispersion->accept_as_destination(visitor, self->model->radius.dispersion, disp_dict);
432    disp_dict = PyDict_GetItemString(self->dispersion, "edge_separation");
433    self->model->edge_separation.dispersion->accept_as_destination(visitor, self->model->edge_separation.dispersion, disp_dict);
434
435       
436        // Get input and determine whether we have to supply a 1D or 2D return value.
437        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
438            PyErr_SetString(CPearlNecklaceModelError, 
439                "CPearlNecklaceModel.run expects a q value.");
440                return NULL;
441        }
442         
443        // Check params
444        if( PyList_Check(pars)==1) {
445               
446                // Length of list should be 2 for I(qx, qy))
447            npars = PyList_GET_SIZE(pars); 
448            if(npars!=2) {
449                PyErr_SetString(CPearlNecklaceModelError, 
450                        "CPearlNecklaceModel.run expects a double or a list of dimension 2.");
451                return NULL;
452            }
453            // We have a vector q, get the qx and qy values at which
454            // to evaluate I(qx,qy)
455            qx_value = CPearlNecklaceModel_readDouble(PyList_GET_ITEM(pars,0));
456            qy_value = CPearlNecklaceModel_readDouble(PyList_GET_ITEM(pars,1));
457            return Py_BuildValue("d",(*(self->model))(qx_value,qy_value));
458
459        } else {
460
461                // We have a scalar q, we will evaluate I(q)
462                qx_value = CPearlNecklaceModel_readDouble(pars);               
463               
464                return Py_BuildValue("d",(*(self->model))(qx_value));
465        }       
466}
467
468static PyObject * reset(CPearlNecklaceModel *self, PyObject *args) {
469   
470
471    return Py_BuildValue("d",0.0);
472}
473
474static PyObject * set_dispersion(CPearlNecklaceModel *self, PyObject *args) {
475        PyObject * disp;
476        const char * par_name;
477
478        if ( !PyArg_ParseTuple(args,"sO", &par_name, &disp) ) {
479            PyErr_SetString(CPearlNecklaceModelError,
480                "CPearlNecklaceModel.set_dispersion expects a DispersionModel object.");
481                return NULL;
482        }
483        void *temp = PyCObject_AsVoidPtr(disp);
484        DispersionModel * dispersion = static_cast<DispersionModel *>(temp);
485
486
487        // Ugliness necessary to go from python to C
488            // TODO: refactor this
489    if (!strcmp(par_name, "radius")) {
490        self->model->radius.dispersion = dispersion;
491    } else    if (!strcmp(par_name, "edge_separation")) {
492        self->model->edge_separation.dispersion = dispersion;
493    } else {
494            PyErr_SetString(CPearlNecklaceModelError,
495                "CPearlNecklaceModel.set_dispersion expects a valid parameter name.");
496                return NULL;
497        }
498
499        DispersionVisitor* visitor = new DispersionVisitor();
500        PyObject * disp_dict = PyDict_New();
501        dispersion->accept_as_source(visitor, dispersion, disp_dict);
502        PyDict_SetItemString(self->dispersion, par_name, disp_dict);
503    return Py_BuildValue("i",1);
504}
505
506
507static PyMethodDef CPearlNecklaceModel_methods[] = {
508    {"run",      (PyCFunction)run     , METH_VARARGS,
509      "Evaluate the model at a given Q or Q, phi"},
510    {"runXY",      (PyCFunction)runXY     , METH_VARARGS,
511      "Evaluate the model at a given Q or Qx, Qy"},
512    {"calculate_ER",      (PyCFunction)calculate_ER     , METH_VARARGS,
513      "Evaluate the model at a given Q or Q, phi"},
514     
515    {"evalDistribution",  (PyCFunction)evalDistribution , METH_VARARGS,
516      "Evaluate the model at a given Q or Qx, Qy vector "},
517    {"reset",    (PyCFunction)reset   , METH_VARARGS,
518      "Reset pair correlation"},
519    {"set_dispersion",      (PyCFunction)set_dispersion     , METH_VARARGS,
520      "Set the dispersion model for a given parameter"},
521   {NULL}
522};
523
524static PyTypeObject CPearlNecklaceModelType = {
525    PyObject_HEAD_INIT(NULL)
526    0,                         /*ob_size*/
527    "CPearlNecklaceModel",             /*tp_name*/
528    sizeof(CPearlNecklaceModel),             /*tp_basicsize*/
529    0,                         /*tp_itemsize*/
530    (destructor)CPearlNecklaceModel_dealloc, /*tp_dealloc*/
531    0,                         /*tp_print*/
532    0,                         /*tp_getattr*/
533    0,                         /*tp_setattr*/
534    0,                         /*tp_compare*/
535    0,                         /*tp_repr*/
536    0,                         /*tp_as_number*/
537    0,                         /*tp_as_sequence*/
538    0,                         /*tp_as_mapping*/
539    0,                         /*tp_hash */
540    0,                         /*tp_call*/
541    0,                         /*tp_str*/
542    0,                         /*tp_getattro*/
543    0,                         /*tp_setattro*/
544    0,                         /*tp_as_buffer*/
545    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
546    "CPearlNecklaceModel objects",           /* tp_doc */
547    0,                         /* tp_traverse */
548    0,                         /* tp_clear */
549    0,                         /* tp_richcompare */
550    0,                         /* tp_weaklistoffset */
551    0,                         /* tp_iter */
552    0,                         /* tp_iternext */
553    CPearlNecklaceModel_methods,             /* tp_methods */
554    CPearlNecklaceModel_members,             /* tp_members */
555    0,                         /* tp_getset */
556    0,                         /* tp_base */
557    0,                         /* tp_dict */
558    0,                         /* tp_descr_get */
559    0,                         /* tp_descr_set */
560    0,                         /* tp_dictoffset */
561    (initproc)CPearlNecklaceModel_init,      /* tp_init */
562    0,                         /* tp_alloc */
563    CPearlNecklaceModel_new,                 /* tp_new */
564};
565
566
567//static PyMethodDef module_methods[] = {
568//    {NULL}
569//};
570
571/**
572 * Function used to add the model class to a module
573 * @param module: module to add the class to
574 */ 
575void addCPearlNecklaceModel(PyObject *module) {
576        PyObject *d;
577       
578    if (PyType_Ready(&CPearlNecklaceModelType) < 0)
579        return;
580
581    Py_INCREF(&CPearlNecklaceModelType);
582    PyModule_AddObject(module, "CPearlNecklaceModel", (PyObject *)&CPearlNecklaceModelType);
583   
584    d = PyModule_GetDict(module);
585    static char error_name[] = "CPearlNecklaceModel.error";
586    CPearlNecklaceModelError = PyErr_NewException(error_name, NULL, NULL);
587    PyDict_SetItemString(d, "CPearlNecklaceModelError", CPearlNecklaceModelError);
588}
589
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