source: sasview/src/sans/models/c_extension/python_wrapper/generated/CReflModel.cpp @ 400155b

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 400155b was 400155b, checked in by gonzalezm, 9 years ago

Implementing request from ticket 261 - default number of bins in Annulus [Phi View] is now 36 and the first bin is now centered at 0 degrees
  • Property mode set to 100644
File size: 44.4 KB
Line 
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/** CReflModel
16 *
17 * C extension
18 *
19 * WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
20 *          DO NOT MODIFY THIS FILE, MODIFY src\sans\models\include\refl.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
36}
37
38#include "refl.h"
39#include "dispersion_visitor.hh"
40
41/// Error object for raised exceptions
42static PyObject * CReflModelError = 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    ReflModel * model;
54    /// Log for unit testing
55    PyObject * log;
56} CReflModel;
57
58
59static void
60CReflModel_dealloc(CReflModel* 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 *
72CReflModel_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
73{
74    CReflModel *self;
75   
76    self = (CReflModel *)type->tp_alloc(type, 0);
77   
78    return (PyObject *)self;
79}
80
81static int
82CReflModel_init(CReflModel *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
90        self->model = new ReflModel();
91
92        // Initialize parameter dictionary
93        PyDict_SetItemString(self->params,"thick_flat8",Py_BuildValue("d",100.000000000000));
94        PyDict_SetItemString(self->params,"thick_flat9",Py_BuildValue("d",100.000000000000));
95        PyDict_SetItemString(self->params,"thick_flat1",Py_BuildValue("d",10.000000000000));
96        PyDict_SetItemString(self->params,"thick_flat3",Py_BuildValue("d",100.000000000000));
97        PyDict_SetItemString(self->params,"n_layers",Py_BuildValue("d",1.000000000000));
98        PyDict_SetItemString(self->params,"thick_flat6",Py_BuildValue("d",100.000000000000));
99        PyDict_SetItemString(self->params,"thick_flat7",Py_BuildValue("d",100.000000000000));
100        PyDict_SetItemString(self->params,"thick_flat4",Py_BuildValue("d",100.000000000000));
101        PyDict_SetItemString(self->params,"thick_flat5",Py_BuildValue("d",100.000000000000));
102        PyDict_SetItemString(self->params,"thick_inter0",Py_BuildValue("d",1.000000000000));
103        PyDict_SetItemString(self->params,"thick_inter1",Py_BuildValue("d",1.000000000000));
104        PyDict_SetItemString(self->params,"sld_bottom0",Py_BuildValue("d",0.000002070000));
105        PyDict_SetItemString(self->params,"thick_inter3",Py_BuildValue("d",1.000000000000));
106        PyDict_SetItemString(self->params,"thick_inter4",Py_BuildValue("d",1.000000000000));
107        PyDict_SetItemString(self->params,"thick_inter5",Py_BuildValue("d",1.000000000000));
108        PyDict_SetItemString(self->params,"thick_inter6",Py_BuildValue("d",1.000000000000));
109        PyDict_SetItemString(self->params,"thick_inter7",Py_BuildValue("d",1.000000000000));
110        PyDict_SetItemString(self->params,"thick_inter8",Py_BuildValue("d",1.000000000000));
111        PyDict_SetItemString(self->params,"thick_inter9",Py_BuildValue("d",1.000000000000));
112        PyDict_SetItemString(self->params,"scale",Py_BuildValue("d",1.000000000000));
113        PyDict_SetItemString(self->params,"func_inter9",Py_BuildValue("d",0.000000000000));
114        PyDict_SetItemString(self->params,"thick_inter10",Py_BuildValue("d",1.000000000000));
115        PyDict_SetItemString(self->params,"func_inter8",Py_BuildValue("d",0.000000000000));
116        PyDict_SetItemString(self->params,"thick_flat2",Py_BuildValue("d",100.000000000000));
117        PyDict_SetItemString(self->params,"func_inter0",Py_BuildValue("d",0.000000000000));
118        PyDict_SetItemString(self->params,"sld_medium",Py_BuildValue("d",0.000001000000));
119        PyDict_SetItemString(self->params,"func_inter2",Py_BuildValue("d",0.000000000000));
120        PyDict_SetItemString(self->params,"func_inter3",Py_BuildValue("d",0.000000000000));
121        PyDict_SetItemString(self->params,"thick_flat10",Py_BuildValue("d",100.000000000000));
122        PyDict_SetItemString(self->params,"func_inter5",Py_BuildValue("d",0.000000000000));
123        PyDict_SetItemString(self->params,"func_inter6",Py_BuildValue("d",0.000000000000));
124        PyDict_SetItemString(self->params,"func_inter7",Py_BuildValue("d",0.000000000000));
125        PyDict_SetItemString(self->params,"sld_flat4",Py_BuildValue("d",0.000003500000));
126        PyDict_SetItemString(self->params,"sld_flat5",Py_BuildValue("d",0.000004000000));
127        PyDict_SetItemString(self->params,"sld_flat6",Py_BuildValue("d",0.000003500000));
128        PyDict_SetItemString(self->params,"sld_flat7",Py_BuildValue("d",0.000004000000));
129        PyDict_SetItemString(self->params,"sld_flat1",Py_BuildValue("d",0.000004000000));
130        PyDict_SetItemString(self->params,"sld_flat2",Py_BuildValue("d",0.000003500000));
131        PyDict_SetItemString(self->params,"sld_flat3",Py_BuildValue("d",0.000004000000));
132        PyDict_SetItemString(self->params,"sld_flat8",Py_BuildValue("d",0.000003500000));
133        PyDict_SetItemString(self->params,"sld_flat9",Py_BuildValue("d",0.000004000000));
134        PyDict_SetItemString(self->params,"background",Py_BuildValue("d",0.000000000000));
135        PyDict_SetItemString(self->params,"func_inter1",Py_BuildValue("d",0.000000000000));
136        PyDict_SetItemString(self->params,"sld_flat10",Py_BuildValue("d",0.000003500000));
137        PyDict_SetItemString(self->params,"func_inter4",Py_BuildValue("d",0.000000000000));
138        PyDict_SetItemString(self->params,"thick_inter2",Py_BuildValue("d",1.000000000000));
139        PyDict_SetItemString(self->params,"func_inter10",Py_BuildValue("d",0.000000000000));
140        // Initialize dispersion / averaging parameter dict
141        DispersionVisitor* visitor = new DispersionVisitor();
142        PyObject * disp_dict;
143        disp_dict = PyDict_New();
144        self->model->thick_inter0.dispersion->accept_as_source(visitor, self->model->thick_inter0.dispersion, disp_dict);
145        PyDict_SetItemString(self->dispersion, "thick_inter0", disp_dict);
146
147
148         
149        // Create empty log
150        self->log = PyDict_New();
151       
152       
153
154    }
155    return 0;
156}
157
158static char name_params[] = "params";
159static char def_params[] = "Parameters";
160static char name_dispersion[] = "dispersion";
161static char def_dispersion[] = "Dispersion parameters";
162static char name_log[] = "log";
163static char def_log[] = "Log";
164
165static PyMemberDef CReflModel_members[] = {
166    {name_params, T_OBJECT, offsetof(CReflModel, params), 0, def_params},
167        {name_dispersion, T_OBJECT, offsetof(CReflModel, dispersion), 0, def_dispersion},     
168    {name_log, T_OBJECT, offsetof(CReflModel, log), 0, def_log},
169    {NULL}  /* Sentinel */
170};
171
172/** Read double from PyObject
173    @param p PyObject
174    @return double
175*/
176double CReflModel_readDouble(PyObject *p) {
177    if (PyFloat_Check(p)==1) {
178        return (double)(((PyFloatObject *)(p))->ob_fval);
179    } else if (PyInt_Check(p)==1) {
180        return (double)(((PyIntObject *)(p))->ob_ival);
181    } else if (PyLong_Check(p)==1) {
182        return (double)PyLong_AsLong(p);
183    } else {
184        return 0.0;
185    }
186}
187/**
188 * Function to call to evaluate model
189 * @param args: input numpy array q[]
190 * @return: numpy array object
191 */
192 
193static PyObject *evaluateOneDim(ReflModel* model, PyArrayObject *q){
194    PyArrayObject *result;
195   
196    // Check validity of array q , q must be of dimension 1, an array of double
197    if (q->nd != 1 || q->descr->type_num != PyArray_DOUBLE)
198    {
199        //const char * message= "Invalid array: q->nd=%d,type_num=%d\n",q->nd,q->descr->type_num;
200        //PyErr_SetString(PyExc_ValueError , message);
201        return NULL;
202    }
203    result = (PyArrayObject *)PyArray_FromDims(q->nd, (int *)(q->dimensions), PyArray_DOUBLE);
204        if (result == NULL) {
205        const char * message= "Could not create result ";
206        PyErr_SetString(PyExc_RuntimeError , message);
207                return NULL;
208        }
209#pragma omp parallel for
210         for (int i = 0; i < q->dimensions[0]; i++){
211      double q_value  = *(double *)(q->data + i*q->strides[0]);
212      double *result_value = (double *)(result->data + i*result->strides[0]);
213      *result_value =(*model)(q_value);
214        }
215    return PyArray_Return(result); 
216 }
217
218 /**
219 * Function to call to evaluate model
220 * @param args: input numpy array  [x[],y[]]
221 * @return: numpy array object
222 */
223 static PyObject * evaluateTwoDimXY( ReflModel* model, 
224                              PyArrayObject *x, PyArrayObject *y)
225 {
226    PyArrayObject *result;
227    int x_len, y_len, dims[1];
228    //check validity of input vectors
229    if (x->nd != 1 || x->descr->type_num != PyArray_DOUBLE
230        || y->nd != 1 || y->descr->type_num != PyArray_DOUBLE
231        || y->dimensions[0] != x->dimensions[0]){
232        const char * message= "evaluateTwoDimXY  expect 2 numpy arrays";
233        PyErr_SetString(PyExc_ValueError , message); 
234        return NULL;
235    }
236   
237        if (PyArray_Check(x) && PyArray_Check(y)) {
238               
239            x_len = dims[0]= x->dimensions[0];
240        y_len = dims[0]= y->dimensions[0];
241           
242            // Make a new double matrix of same dims
243        result=(PyArrayObject *) PyArray_FromDims(1,dims,NPY_DOUBLE);
244        if (result == NULL){
245            const char * message= "Could not create result ";
246        PyErr_SetString(PyExc_RuntimeError , message);
247            return NULL;
248            }
249       
250        /* Do the calculation. */
251#pragma omp parallel for
252        for (int i=0; i< x_len; i++) {
253            double x_value = *(double *)(x->data + i*x->strides[0]);
254                    double y_value = *(double *)(y->data + i*y->strides[0]);
255                        double *result_value = (double *)(result->data +
256                              i*result->strides[0]);
257                        *result_value = (*model)(x_value, y_value);
258        }           
259        return PyArray_Return(result); 
260       
261        }else{
262                    PyErr_SetString(CReflModelError, 
263                   "CReflModel.evaluateTwoDimXY couldn't run.");
264                return NULL;
265                }       
266}
267/**
268 *  evalDistribution function evaluate a model function with input vector
269 *  @param args: input q as vector or [qx, qy] where qx, qy are vectors
270 *
271 */ 
272static PyObject * evalDistribution(CReflModel *self, PyObject *args){
273        PyObject *qx, *qy;
274        PyArrayObject * pars;
275        int npars ,mpars;
276       
277        // Get parameters
278       
279            // Reader parameter dictionary
280    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
281    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
282    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
283    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
284    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
285    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
286    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
287    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
288    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
289    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
290    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
291    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
292    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
293    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
294    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
295    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
296    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
297    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
298    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
299    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
300    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
301    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
302    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
303    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
304    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
305    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
306    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
307    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
308    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
309    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
310    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
311    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
312    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
313    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
314    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
315    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
316    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
317    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
318    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
319    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
320    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
321    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
322    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
323    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
324    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
325    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
326    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
327    // Read in dispersion parameters
328    PyObject* disp_dict;
329    DispersionVisitor* visitor = new DispersionVisitor();
330    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
331    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
332
333       
334        // Get input and determine whether we have to supply a 1D or 2D return value.
335        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
336            PyErr_SetString(CReflModelError, 
337                "CReflModel.evalDistribution expects a q value.");
338                return NULL;
339        }
340    // Check params
341       
342    if(PyArray_Check(pars)==1) {
343               
344            // Length of list should 1 or 2
345            npars = pars->nd; 
346            if(npars==1) {
347                // input is a numpy array
348                if (PyArray_Check(pars)) {
349                        return evaluateOneDim(self->model, (PyArrayObject*)pars); 
350                    }
351                }else{
352                    PyErr_SetString(CReflModelError, 
353                   "CReflModel.evalDistribution expect numpy array of one dimension.");
354                return NULL;
355                }
356    }else if( PyList_Check(pars)==1) {
357        // Length of list should be 2 for I(qx,qy)
358            mpars = PyList_GET_SIZE(pars); 
359            if(mpars!=2) {
360                PyErr_SetString(CReflModelError, 
361                        "CReflModel.evalDistribution expects a list of dimension 2.");
362                return NULL;
363            }
364             qx = PyList_GET_ITEM(pars,0);
365             qy = PyList_GET_ITEM(pars,1);
366             if (PyArray_Check(qx) && PyArray_Check(qy)) {
367                 return evaluateTwoDimXY(self->model, (PyArrayObject*)qx,
368                           (PyArrayObject*)qy);
369                 }else{
370                    PyErr_SetString(CReflModelError, 
371                   "CReflModel.evalDistribution expect 2 numpy arrays in list.");
372                return NULL;
373             }
374        }
375        PyErr_SetString(CReflModelError, 
376                   "CReflModel.evalDistribution couln't be run.");
377        return NULL;
378       
379}
380
381/**
382 * Function to call to evaluate model
383 * @param args: input q or [q,phi]
384 * @return: function value
385 */
386static PyObject * run(CReflModel *self, PyObject *args) {
387        double q_value, phi_value;
388        PyObject* pars;
389        int npars;
390       
391        // Get parameters
392       
393            // Reader parameter dictionary
394    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
395    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
396    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
397    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
398    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
399    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
400    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
401    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
402    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
403    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
404    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
405    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
406    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
407    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
408    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
409    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
410    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
411    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
412    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
413    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
414    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
415    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
416    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
417    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
418    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
419    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
420    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
421    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
422    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
423    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
424    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
425    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
426    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
427    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
428    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
429    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
430    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
431    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
432    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
433    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
434    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
435    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
436    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
437    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
438    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
439    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
440    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
441    // Read in dispersion parameters
442    PyObject* disp_dict;
443    DispersionVisitor* visitor = new DispersionVisitor();
444    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
445    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
446
447       
448        // Get input and determine whether we have to supply a 1D or 2D return value.
449        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
450            PyErr_SetString(CReflModelError, 
451                "CReflModel.run expects a q value.");
452                return NULL;
453        }
454         
455        // Check params
456        if( PyList_Check(pars)==1) {
457               
458                // Length of list should be 2 for I(q,phi)
459            npars = PyList_GET_SIZE(pars); 
460            if(npars!=2) {
461                PyErr_SetString(CReflModelError, 
462                        "CReflModel.run expects a double or a list of dimension 2.");
463                return NULL;
464            }
465            // We have a vector q, get the q and phi values at which
466            // to evaluate I(q,phi)
467            q_value = CReflModel_readDouble(PyList_GET_ITEM(pars,0));
468            phi_value = CReflModel_readDouble(PyList_GET_ITEM(pars,1));
469            // Skip zero
470            if (q_value==0) {
471                return Py_BuildValue("d",0.0);
472            }
473                return Py_BuildValue("d",(*(self->model)).evaluate_rphi(q_value,phi_value));
474
475        } else {
476
477                // We have a scalar q, we will evaluate I(q)
478                q_value = CReflModel_readDouble(pars);         
479               
480                return Py_BuildValue("d",(*(self->model))(q_value));
481        }       
482}
483/**
484 * Function to call to calculate_ER
485 * @return: effective radius value
486 */
487static PyObject * calculate_ER(CReflModel *self) {
488
489        // Get parameters
490       
491            // Reader parameter dictionary
492    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
493    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
494    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
495    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
496    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
497    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
498    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
499    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
500    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
501    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
502    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
503    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
504    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
505    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
506    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
507    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
508    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
509    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
510    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
511    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
512    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
513    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
514    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
515    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
516    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
517    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
518    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
519    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
520    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
521    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
522    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
523    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
524    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
525    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
526    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
527    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
528    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
529    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
530    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
531    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
532    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
533    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
534    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
535    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
536    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
537    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
538    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
539    // Read in dispersion parameters
540    PyObject* disp_dict;
541    DispersionVisitor* visitor = new DispersionVisitor();
542    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
543    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
544
545               
546        return Py_BuildValue("d",(*(self->model)).calculate_ER());
547
548}
549/**
550 * Function to call to cal the ratio shell volume/ total volume
551 * @return: the ratio shell volume/ total volume
552 */
553static PyObject * calculate_VR(CReflModel *self) {
554
555        // Get parameters
556       
557            // Reader parameter dictionary
558    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
559    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
560    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
561    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
562    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
563    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
564    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
565    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
566    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
567    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
568    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
569    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
570    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
571    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
572    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
573    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
574    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
575    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
576    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
577    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
578    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
579    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
580    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
581    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
582    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
583    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
584    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
585    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
586    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
587    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
588    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
589    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
590    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
591    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
592    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
593    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
594    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
595    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
596    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
597    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
598    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
599    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
600    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
601    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
602    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
603    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
604    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
605    // Read in dispersion parameters
606    PyObject* disp_dict;
607    DispersionVisitor* visitor = new DispersionVisitor();
608    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
609    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
610
611               
612        return Py_BuildValue("d",(*(self->model)).calculate_VR());
613
614}
615/**
616 * Function to call to evaluate model in cartesian coordinates
617 * @param args: input q or [qx, qy]]
618 * @return: function value
619 */
620static PyObject * runXY(CReflModel *self, PyObject *args) {
621        double qx_value, qy_value;
622        PyObject* pars;
623        int npars;
624       
625        // Get parameters
626       
627            // Reader parameter dictionary
628    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
629    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
630    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
631    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
632    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
633    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
634    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
635    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
636    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
637    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
638    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
639    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
640    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
641    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
642    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
643    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
644    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
645    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
646    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
647    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
648    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
649    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
650    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
651    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
652    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
653    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
654    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
655    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
656    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
657    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
658    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
659    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
660    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
661    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
662    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
663    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
664    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
665    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
666    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
667    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
668    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
669    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
670    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
671    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
672    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
673    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
674    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
675    // Read in dispersion parameters
676    PyObject* disp_dict;
677    DispersionVisitor* visitor = new DispersionVisitor();
678    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
679    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
680
681       
682        // Get input and determine whether we have to supply a 1D or 2D return value.
683        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
684            PyErr_SetString(CReflModelError, 
685                "CReflModel.run expects a q value.");
686                return NULL;
687        }
688         
689        // Check params
690        if( PyList_Check(pars)==1) {
691               
692                // Length of list should be 2 for I(qx, qy))
693            npars = PyList_GET_SIZE(pars); 
694            if(npars!=2) {
695                PyErr_SetString(CReflModelError, 
696                        "CReflModel.run expects a double or a list of dimension 2.");
697                return NULL;
698            }
699            // We have a vector q, get the qx and qy values at which
700            // to evaluate I(qx,qy)
701            qx_value = CReflModel_readDouble(PyList_GET_ITEM(pars,0));
702            qy_value = CReflModel_readDouble(PyList_GET_ITEM(pars,1));
703            return Py_BuildValue("d",(*(self->model))(qx_value,qy_value));
704
705        } else {
706
707                // We have a scalar q, we will evaluate I(q)
708                qx_value = CReflModel_readDouble(pars);         
709               
710                return Py_BuildValue("d",(*(self->model))(qx_value));
711        }       
712}
713
714static PyObject * reset(CReflModel *self, PyObject *args) {
715   
716
717    return Py_BuildValue("d",0.0);
718}
719
720static PyObject * set_dispersion(CReflModel *self, PyObject *args) {
721        PyObject * disp;
722        const char * par_name;
723
724        if ( !PyArg_ParseTuple(args,"sO", &par_name, &disp) ) {
725            PyErr_SetString(CReflModelError,
726                "CReflModel.set_dispersion expects a DispersionModel object.");
727                return NULL;
728        }
729        void *temp = PyCObject_AsVoidPtr(disp);
730        DispersionModel * dispersion = static_cast<DispersionModel *>(temp);
731
732
733        // Ugliness necessary to go from python to C
734            // TODO: refactor this
735    if (!strcmp(par_name, "thick_inter0")) {
736        self->model->thick_inter0.dispersion = dispersion;
737    } else {
738            PyErr_SetString(CReflModelError,
739                "CReflModel.set_dispersion expects a valid parameter name.");
740                return NULL;
741        }
742
743        DispersionVisitor* visitor = new DispersionVisitor();
744        PyObject * disp_dict = PyDict_New();
745        dispersion->accept_as_source(visitor, dispersion, disp_dict);
746        PyDict_SetItemString(self->dispersion, par_name, disp_dict);
747    return Py_BuildValue("i",1);
748}
749
750
751static PyMethodDef CReflModel_methods[] = {
752    {"run",      (PyCFunction)run     , METH_VARARGS,
753      "Evaluate the model at a given Q or Q, phi"},
754    {"runXY",      (PyCFunction)runXY     , METH_VARARGS,
755      "Evaluate the model at a given Q or Qx, Qy"},
756    {"calculate_ER",      (PyCFunction)calculate_ER     , METH_VARARGS,
757      "Evaluate the model at a given Q or Q, phi"},
758    {"calculate_VR",      (PyCFunction)calculate_VR     , METH_VARARGS,
759      "Evaluate VR"},   
760    {"evalDistribution",  (PyCFunction)evalDistribution , METH_VARARGS,
761      "Evaluate the model at a given Q or Qx, Qy vector "},
762    {"reset",    (PyCFunction)reset   , METH_VARARGS,
763      "Reset pair correlation"},
764    {"set_dispersion",      (PyCFunction)set_dispersion     , METH_VARARGS,
765      "Set the dispersion model for a given parameter"},
766   {NULL}
767};
768
769static PyTypeObject CReflModelType = {
770    PyObject_HEAD_INIT(NULL)
771    0,                         /*ob_size*/
772    "CReflModel",             /*tp_name*/
773    sizeof(CReflModel),             /*tp_basicsize*/
774    0,                         /*tp_itemsize*/
775    (destructor)CReflModel_dealloc, /*tp_dealloc*/
776    0,                         /*tp_print*/
777    0,                         /*tp_getattr*/
778    0,                         /*tp_setattr*/
779    0,                         /*tp_compare*/
780    0,                         /*tp_repr*/
781    0,                         /*tp_as_number*/
782    0,                         /*tp_as_sequence*/
783    0,                         /*tp_as_mapping*/
784    0,                         /*tp_hash */
785    0,                         /*tp_call*/
786    0,                         /*tp_str*/
787    0,                         /*tp_getattro*/
788    0,                         /*tp_setattro*/
789    0,                         /*tp_as_buffer*/
790    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
791    "CReflModel objects",           /* tp_doc */
792    0,                         /* tp_traverse */
793    0,                         /* tp_clear */
794    0,                         /* tp_richcompare */
795    0,                         /* tp_weaklistoffset */
796    0,                         /* tp_iter */
797    0,                         /* tp_iternext */
798    CReflModel_methods,             /* tp_methods */
799    CReflModel_members,             /* tp_members */
800    0,                         /* tp_getset */
801    0,                         /* tp_base */
802    0,                         /* tp_dict */
803    0,                         /* tp_descr_get */
804    0,                         /* tp_descr_set */
805    0,                         /* tp_dictoffset */
806    (initproc)CReflModel_init,      /* tp_init */
807    0,                         /* tp_alloc */
808    CReflModel_new,                 /* tp_new */
809};
810
811
812//static PyMethodDef module_methods[] = {
813//    {NULL}
814//};
815
816/**
817 * Function used to add the model class to a module
818 * @param module: module to add the class to
819 */ 
820void addCReflModel(PyObject *module) {
821        PyObject *d;
822       
823    if (PyType_Ready(&CReflModelType) < 0)
824        return;
825
826    Py_INCREF(&CReflModelType);
827    PyModule_AddObject(module, "CReflModel", (PyObject *)&CReflModelType);
828   
829    d = PyModule_GetDict(module);
830    static char error_name[] = "CReflModel.error";
831    CReflModelError = PyErr_NewException(error_name, NULL, NULL);
832    PyDict_SetItemString(d, "CReflModelError", CReflModelError);
833}
834
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