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

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 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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File size: 51.3 KB
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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/** CReflAdvModel
16 *
17 * C extension
18 *
19 * WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
20 *          DO NOT MODIFY THIS FILE, MODIFY refl_adv.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 "refl_adv.h"
36}
37
38#include "models.hh"
39#include "dispersion_visitor.hh"
40
41/// Error object for raised exceptions
42static PyObject * CReflAdvModelError = 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    ReflAdvModel * model;
54    /// Log for unit testing
55    PyObject * log;
56} CReflAdvModel;
57
58
59static void
60CReflAdvModel_dealloc(CReflAdvModel* 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 *
72CReflAdvModel_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
73{
74    CReflAdvModel *self;
75   
76    self = (CReflAdvModel *)type->tp_alloc(type, 0);
77   
78    return (PyObject *)self;
79}
80
81static int
82CReflAdvModel_init(CReflAdvModel *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 ReflAdvModel();
90       
91        // Initialize parameter dictionary
92        PyDict_SetItemString(self->params,"sldIM_flat4",Py_BuildValue("d",0.000000000000));
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,"sldIM_flat7",Py_BuildValue("d",0.000000000000));
96        PyDict_SetItemString(self->params,"sldIM_flat10",Py_BuildValue("d",0.000000000000));
97        PyDict_SetItemString(self->params,"sldIM_flat5",Py_BuildValue("d",0.000000000000));
98        PyDict_SetItemString(self->params,"thick_flat1",Py_BuildValue("d",100.000000000000));
99        PyDict_SetItemString(self->params,"thick_flat3",Py_BuildValue("d",100.000000000000));
100        PyDict_SetItemString(self->params,"n_layers",Py_BuildValue("d",1.000000000000));
101        PyDict_SetItemString(self->params,"thick_flat6",Py_BuildValue("d",100.000000000000));
102        PyDict_SetItemString(self->params,"thick_flat7",Py_BuildValue("d",100.000000000000));
103        PyDict_SetItemString(self->params,"thick_flat4",Py_BuildValue("d",100.000000000000));
104        PyDict_SetItemString(self->params,"thick_flat5",Py_BuildValue("d",100.000000000000));
105        PyDict_SetItemString(self->params,"thick_inter0",Py_BuildValue("d",50.000000000000));
106        PyDict_SetItemString(self->params,"thick_inter1",Py_BuildValue("d",50.000000000000));
107        PyDict_SetItemString(self->params,"sld_bottom0",Py_BuildValue("d",0.000002070000));
108        PyDict_SetItemString(self->params,"thick_inter3",Py_BuildValue("d",50.000000000000));
109        PyDict_SetItemString(self->params,"thick_inter4",Py_BuildValue("d",50.000000000000));
110        PyDict_SetItemString(self->params,"thick_inter5",Py_BuildValue("d",50.000000000000));
111        PyDict_SetItemString(self->params,"thick_inter6",Py_BuildValue("d",50.000000000000));
112        PyDict_SetItemString(self->params,"thick_inter7",Py_BuildValue("d",50.000000000000));
113        PyDict_SetItemString(self->params,"thick_inter8",Py_BuildValue("d",50.000000000000));
114        PyDict_SetItemString(self->params,"thick_inter9",Py_BuildValue("d",50.000000000000));
115        PyDict_SetItemString(self->params,"npts_inter",Py_BuildValue("d",21.000000000000));
116        PyDict_SetItemString(self->params,"sldIM_flat1",Py_BuildValue("d",0.000000000000));
117        PyDict_SetItemString(self->params,"scale",Py_BuildValue("d",1.000000000000));
118        PyDict_SetItemString(self->params,"sldIM_flat2",Py_BuildValue("d",0.000000000000));
119        PyDict_SetItemString(self->params,"func_inter9",Py_BuildValue("d",0.000000000000));
120        PyDict_SetItemString(self->params,"thick_inter10",Py_BuildValue("d",50.000000000000));
121        PyDict_SetItemString(self->params,"sldIM_flat3",Py_BuildValue("d",0.000000000000));
122        PyDict_SetItemString(self->params,"func_inter8",Py_BuildValue("d",0.000000000000));
123        PyDict_SetItemString(self->params,"thick_flat2",Py_BuildValue("d",100.000000000000));
124        PyDict_SetItemString(self->params,"func_inter0",Py_BuildValue("d",0.000000000000));
125        PyDict_SetItemString(self->params,"sld_medium",Py_BuildValue("d",0.000001000000));
126        PyDict_SetItemString(self->params,"func_inter2",Py_BuildValue("d",0.000000000000));
127        PyDict_SetItemString(self->params,"func_inter3",Py_BuildValue("d",0.000000000000));
128        PyDict_SetItemString(self->params,"thick_flat10",Py_BuildValue("d",100.000000000000));
129        PyDict_SetItemString(self->params,"func_inter5",Py_BuildValue("d",0.000000000000));
130        PyDict_SetItemString(self->params,"func_inter6",Py_BuildValue("d",0.000000000000));
131        PyDict_SetItemString(self->params,"func_inter7",Py_BuildValue("d",0.000000000000));
132        PyDict_SetItemString(self->params,"sld_flat4",Py_BuildValue("d",0.000003500000));
133        PyDict_SetItemString(self->params,"sld_flat5",Py_BuildValue("d",0.000004000000));
134        PyDict_SetItemString(self->params,"sld_flat6",Py_BuildValue("d",0.000003500000));
135        PyDict_SetItemString(self->params,"sld_flat7",Py_BuildValue("d",0.000004000000));
136        PyDict_SetItemString(self->params,"sld_flat1",Py_BuildValue("d",0.000004000000));
137        PyDict_SetItemString(self->params,"sld_flat2",Py_BuildValue("d",0.000003500000));
138        PyDict_SetItemString(self->params,"sld_flat3",Py_BuildValue("d",0.000004000000));
139        PyDict_SetItemString(self->params,"sldIM_flat8",Py_BuildValue("d",0.000000000000));
140        PyDict_SetItemString(self->params,"sld_flat8",Py_BuildValue("d",0.000003500000));
141        PyDict_SetItemString(self->params,"sld_flat9",Py_BuildValue("d",0.000004000000));
142        PyDict_SetItemString(self->params,"sldIM_flat9",Py_BuildValue("d",0.000000000000));
143        PyDict_SetItemString(self->params,"nu_inter10",Py_BuildValue("d",2.500000000000));
144        PyDict_SetItemString(self->params,"background",Py_BuildValue("d",0.000000000000));
145        PyDict_SetItemString(self->params,"func_inter1",Py_BuildValue("d",0.000000000000));
146        PyDict_SetItemString(self->params,"sldIM_sub0",Py_BuildValue("d",0.000000000000));
147        PyDict_SetItemString(self->params,"sldIM_medium",Py_BuildValue("d",0.000000000000));
148        PyDict_SetItemString(self->params,"sld_flat10",Py_BuildValue("d",0.000003500000));
149        PyDict_SetItemString(self->params,"sldIM_flat6",Py_BuildValue("d",0.000000000000));
150        PyDict_SetItemString(self->params,"func_inter4",Py_BuildValue("d",0.000000000000));
151        PyDict_SetItemString(self->params,"thick_inter2",Py_BuildValue("d",50.000000000000));
152        PyDict_SetItemString(self->params,"nu_inter8",Py_BuildValue("d",2.500000000000));
153        PyDict_SetItemString(self->params,"nu_inter5",Py_BuildValue("d",2.500000000000));
154        PyDict_SetItemString(self->params,"nu_inter4",Py_BuildValue("d",2.500000000000));
155        PyDict_SetItemString(self->params,"nu_inter7",Py_BuildValue("d",2.500000000000));
156        PyDict_SetItemString(self->params,"nu_inter6",Py_BuildValue("d",2.500000000000));
157        PyDict_SetItemString(self->params,"nu_inter1",Py_BuildValue("d",2.500000000000));
158        PyDict_SetItemString(self->params,"nu_inter0",Py_BuildValue("d",2.500000000000));
159        PyDict_SetItemString(self->params,"nu_inter3",Py_BuildValue("d",2.500000000000));
160        PyDict_SetItemString(self->params,"nu_inter2",Py_BuildValue("d",2.500000000000));
161        PyDict_SetItemString(self->params,"nu_inter9",Py_BuildValue("d",2.500000000000));
162        PyDict_SetItemString(self->params,"func_inter10",Py_BuildValue("d",0.000000000000));
163        // Initialize dispersion / averaging parameter dict
164        DispersionVisitor* visitor = new DispersionVisitor();
165        PyObject * disp_dict;
166        disp_dict = PyDict_New();
167        self->model->thick_inter0.dispersion->accept_as_source(visitor, self->model->thick_inter0.dispersion, disp_dict);
168        PyDict_SetItemString(self->dispersion, "thick_inter0", disp_dict);
169
170
171         
172        // Create empty log
173        self->log = PyDict_New();
174       
175       
176
177    }
178    return 0;
179}
180
181static char name_params[] = "params";
182static char def_params[] = "Parameters";
183static char name_dispersion[] = "dispersion";
184static char def_dispersion[] = "Dispersion parameters";
185static char name_log[] = "log";
186static char def_log[] = "Log";
187
188static PyMemberDef CReflAdvModel_members[] = {
189    {name_params, T_OBJECT, offsetof(CReflAdvModel, params), 0, def_params},
190        {name_dispersion, T_OBJECT, offsetof(CReflAdvModel, dispersion), 0, def_dispersion},     
191    {name_log, T_OBJECT, offsetof(CReflAdvModel, log), 0, def_log},
192    {NULL}  /* Sentinel */
193};
194
195/** Read double from PyObject
196    @param p PyObject
197    @return double
198*/
199double CReflAdvModel_readDouble(PyObject *p) {
200    if (PyFloat_Check(p)==1) {
201        return (double)(((PyFloatObject *)(p))->ob_fval);
202    } else if (PyInt_Check(p)==1) {
203        return (double)(((PyIntObject *)(p))->ob_ival);
204    } else if (PyLong_Check(p)==1) {
205        return (double)PyLong_AsLong(p);
206    } else {
207        return 0.0;
208    }
209}
210/**
211 * Function to call to evaluate model
212 * @param args: input numpy array q[]
213 * @return: numpy array object
214 */
215 
216static PyObject *evaluateOneDim(ReflAdvModel* model, PyArrayObject *q){
217    PyArrayObject *result;
218   
219    // Check validity of array q , q must be of dimension 1, an array of double
220    if (q->nd != 1 || q->descr->type_num != PyArray_DOUBLE)
221    {
222        //const char * message= "Invalid array: q->nd=%d,type_num=%d\n",q->nd,q->descr->type_num;
223        //PyErr_SetString(PyExc_ValueError , message);
224        return NULL;
225    }
226    result = (PyArrayObject *)PyArray_FromDims(q->nd, (int *)(q->dimensions), PyArray_DOUBLE);
227        if (result == NULL) {
228        const char * message= "Could not create result ";
229        PyErr_SetString(PyExc_RuntimeError , message);
230                return NULL;
231        }
232#pragma omp parallel for
233         for (int i = 0; i < q->dimensions[0]; i++){
234      double q_value  = *(double *)(q->data + i*q->strides[0]);
235      double *result_value = (double *)(result->data + i*result->strides[0]);
236      *result_value =(*model)(q_value);
237        }
238    return PyArray_Return(result); 
239 }
240
241 /**
242 * Function to call to evaluate model
243 * @param args: input numpy array  [x[],y[]]
244 * @return: numpy array object
245 */
246 static PyObject * evaluateTwoDimXY( ReflAdvModel* model, 
247                              PyArrayObject *x, PyArrayObject *y)
248 {
249    PyArrayObject *result;
250    int x_len, y_len, dims[1];
251    //check validity of input vectors
252    if (x->nd != 1 || x->descr->type_num != PyArray_DOUBLE
253        || y->nd != 1 || y->descr->type_num != PyArray_DOUBLE
254        || y->dimensions[0] != x->dimensions[0]){
255        const char * message= "evaluateTwoDimXY  expect 2 numpy arrays";
256        PyErr_SetString(PyExc_ValueError , message); 
257        return NULL;
258    }
259   
260        if (PyArray_Check(x) && PyArray_Check(y)) {
261               
262            x_len = dims[0]= x->dimensions[0];
263        y_len = dims[0]= y->dimensions[0];
264           
265            // Make a new double matrix of same dims
266        result=(PyArrayObject *) PyArray_FromDims(1,dims,NPY_DOUBLE);
267        if (result == NULL){
268            const char * message= "Could not create result ";
269        PyErr_SetString(PyExc_RuntimeError , message);
270            return NULL;
271            }
272       
273        /* Do the calculation. */
274#pragma omp parallel for
275        for (int i=0; i< x_len; i++) {
276            double x_value = *(double *)(x->data + i*x->strides[0]);
277                    double y_value = *(double *)(y->data + i*y->strides[0]);
278                        double *result_value = (double *)(result->data +
279                              i*result->strides[0]);
280                        *result_value = (*model)(x_value, y_value);
281        }           
282        return PyArray_Return(result); 
283       
284        }else{
285                    PyErr_SetString(CReflAdvModelError, 
286                   "CReflAdvModel.evaluateTwoDimXY couldn't run.");
287                return NULL;
288                }       
289}
290/**
291 *  evalDistribution function evaluate a model function with input vector
292 *  @param args: input q as vector or [qx, qy] where qx, qy are vectors
293 *
294 */ 
295static PyObject * evalDistribution(CReflAdvModel *self, PyObject *args){
296        PyObject *qx, *qy;
297        PyArrayObject * pars;
298        int npars ,mpars;
299       
300        // Get parameters
301       
302            // Reader parameter dictionary
303    self->model->sldIM_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat4") );
304    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
305    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
306    self->model->sldIM_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat7") );
307    self->model->sldIM_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat10") );
308    self->model->sldIM_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat5") );
309    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
310    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
311    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
312    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
313    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
314    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
315    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
316    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
317    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
318    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
319    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
320    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
321    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
322    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
323    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
324    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
325    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
326    self->model->npts_inter = PyFloat_AsDouble( PyDict_GetItemString(self->params, "npts_inter") );
327    self->model->sldIM_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat1") );
328    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
329    self->model->sldIM_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat2") );
330    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
331    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
332    self->model->sldIM_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat3") );
333    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
334    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
335    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
336    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
337    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
338    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
339    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
340    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
341    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
342    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
343    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
344    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
345    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
346    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
347    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
348    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
349    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
350    self->model->sldIM_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat8") );
351    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
352    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
353    self->model->sldIM_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat9") );
354    self->model->nu_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter10") );
355    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
356    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
357    self->model->sldIM_sub0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_sub0") );
358    self->model->sldIM_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_medium") );
359    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
360    self->model->sldIM_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat6") );
361    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
362    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
363    self->model->nu_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter8") );
364    self->model->nu_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter5") );
365    self->model->nu_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter4") );
366    self->model->nu_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter7") );
367    self->model->nu_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter6") );
368    self->model->nu_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter1") );
369    self->model->nu_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter0") );
370    self->model->nu_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter3") );
371    self->model->nu_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter2") );
372    self->model->nu_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter9") );
373    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
374    // Read in dispersion parameters
375    PyObject* disp_dict;
376    DispersionVisitor* visitor = new DispersionVisitor();
377    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
378    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
379
380       
381        // Get input and determine whether we have to supply a 1D or 2D return value.
382        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
383            PyErr_SetString(CReflAdvModelError, 
384                "CReflAdvModel.evalDistribution expects a q value.");
385                return NULL;
386        }
387    // Check params
388       
389    if(PyArray_Check(pars)==1) {
390               
391            // Length of list should 1 or 2
392            npars = pars->nd; 
393            if(npars==1) {
394                // input is a numpy array
395                if (PyArray_Check(pars)) {
396                        return evaluateOneDim(self->model, (PyArrayObject*)pars); 
397                    }
398                }else{
399                    PyErr_SetString(CReflAdvModelError, 
400                   "CReflAdvModel.evalDistribution expect numpy array of one dimension.");
401                return NULL;
402                }
403    }else if( PyList_Check(pars)==1) {
404        // Length of list should be 2 for I(qx,qy)
405            mpars = PyList_GET_SIZE(pars); 
406            if(mpars!=2) {
407                PyErr_SetString(CReflAdvModelError, 
408                        "CReflAdvModel.evalDistribution expects a list of dimension 2.");
409                return NULL;
410            }
411             qx = PyList_GET_ITEM(pars,0);
412             qy = PyList_GET_ITEM(pars,1);
413             if (PyArray_Check(qx) && PyArray_Check(qy)) {
414                 return evaluateTwoDimXY(self->model, (PyArrayObject*)qx,
415                           (PyArrayObject*)qy);
416                 }else{
417                    PyErr_SetString(CReflAdvModelError, 
418                   "CReflAdvModel.evalDistribution expect 2 numpy arrays in list.");
419                return NULL;
420             }
421        }
422        PyErr_SetString(CReflAdvModelError, 
423                   "CReflAdvModel.evalDistribution couln't be run.");
424        return NULL;
425       
426}
427
428/**
429 * Function to call to evaluate model
430 * @param args: input q or [q,phi]
431 * @return: function value
432 */
433static PyObject * run(CReflAdvModel *self, PyObject *args) {
434        double q_value, phi_value;
435        PyObject* pars;
436        int npars;
437       
438        // Get parameters
439       
440            // Reader parameter dictionary
441    self->model->sldIM_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat4") );
442    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
443    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
444    self->model->sldIM_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat7") );
445    self->model->sldIM_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat10") );
446    self->model->sldIM_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat5") );
447    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
448    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
449    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
450    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
451    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
452    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
453    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
454    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
455    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
456    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
457    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
458    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
459    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
460    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
461    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
462    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
463    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
464    self->model->npts_inter = PyFloat_AsDouble( PyDict_GetItemString(self->params, "npts_inter") );
465    self->model->sldIM_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat1") );
466    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
467    self->model->sldIM_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat2") );
468    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
469    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
470    self->model->sldIM_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat3") );
471    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
472    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
473    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
474    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
475    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
476    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
477    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
478    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
479    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
480    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
481    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
482    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
483    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
484    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
485    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
486    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
487    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
488    self->model->sldIM_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat8") );
489    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
490    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
491    self->model->sldIM_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat9") );
492    self->model->nu_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter10") );
493    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
494    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
495    self->model->sldIM_sub0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_sub0") );
496    self->model->sldIM_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_medium") );
497    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
498    self->model->sldIM_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat6") );
499    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
500    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
501    self->model->nu_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter8") );
502    self->model->nu_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter5") );
503    self->model->nu_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter4") );
504    self->model->nu_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter7") );
505    self->model->nu_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter6") );
506    self->model->nu_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter1") );
507    self->model->nu_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter0") );
508    self->model->nu_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter3") );
509    self->model->nu_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter2") );
510    self->model->nu_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter9") );
511    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
512    // Read in dispersion parameters
513    PyObject* disp_dict;
514    DispersionVisitor* visitor = new DispersionVisitor();
515    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
516    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
517
518       
519        // Get input and determine whether we have to supply a 1D or 2D return value.
520        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
521            PyErr_SetString(CReflAdvModelError, 
522                "CReflAdvModel.run expects a q value.");
523                return NULL;
524        }
525         
526        // Check params
527        if( PyList_Check(pars)==1) {
528               
529                // Length of list should be 2 for I(q,phi)
530            npars = PyList_GET_SIZE(pars); 
531            if(npars!=2) {
532                PyErr_SetString(CReflAdvModelError, 
533                        "CReflAdvModel.run expects a double or a list of dimension 2.");
534                return NULL;
535            }
536            // We have a vector q, get the q and phi values at which
537            // to evaluate I(q,phi)
538            q_value = CReflAdvModel_readDouble(PyList_GET_ITEM(pars,0));
539            phi_value = CReflAdvModel_readDouble(PyList_GET_ITEM(pars,1));
540            // Skip zero
541            if (q_value==0) {
542                return Py_BuildValue("d",0.0);
543            }
544                return Py_BuildValue("d",(*(self->model)).evaluate_rphi(q_value,phi_value));
545
546        } else {
547
548                // We have a scalar q, we will evaluate I(q)
549                q_value = CReflAdvModel_readDouble(pars);               
550               
551                return Py_BuildValue("d",(*(self->model))(q_value));
552        }       
553}
554/**
555 * Function to call to calculate_ER
556 * @return: effective radius value
557 */
558static PyObject * calculate_ER(CReflAdvModel *self) {
559
560        // Get parameters
561       
562            // Reader parameter dictionary
563    self->model->sldIM_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat4") );
564    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
565    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
566    self->model->sldIM_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat7") );
567    self->model->sldIM_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat10") );
568    self->model->sldIM_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat5") );
569    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
570    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
571    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
572    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
573    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
574    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
575    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
576    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
577    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
578    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
579    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
580    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
581    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
582    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
583    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
584    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
585    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
586    self->model->npts_inter = PyFloat_AsDouble( PyDict_GetItemString(self->params, "npts_inter") );
587    self->model->sldIM_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat1") );
588    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
589    self->model->sldIM_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat2") );
590    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
591    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
592    self->model->sldIM_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat3") );
593    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
594    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
595    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
596    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
597    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
598    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
599    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
600    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
601    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
602    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
603    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
604    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
605    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
606    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
607    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
608    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
609    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
610    self->model->sldIM_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat8") );
611    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
612    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
613    self->model->sldIM_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat9") );
614    self->model->nu_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter10") );
615    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
616    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
617    self->model->sldIM_sub0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_sub0") );
618    self->model->sldIM_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_medium") );
619    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
620    self->model->sldIM_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat6") );
621    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
622    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
623    self->model->nu_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter8") );
624    self->model->nu_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter5") );
625    self->model->nu_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter4") );
626    self->model->nu_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter7") );
627    self->model->nu_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter6") );
628    self->model->nu_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter1") );
629    self->model->nu_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter0") );
630    self->model->nu_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter3") );
631    self->model->nu_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter2") );
632    self->model->nu_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter9") );
633    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
634    // Read in dispersion parameters
635    PyObject* disp_dict;
636    DispersionVisitor* visitor = new DispersionVisitor();
637    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
638    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
639
640               
641        return Py_BuildValue("d",(*(self->model)).calculate_ER());
642
643}
644/**
645 * Function to call to evaluate model in cartesian coordinates
646 * @param args: input q or [qx, qy]]
647 * @return: function value
648 */
649static PyObject * runXY(CReflAdvModel *self, PyObject *args) {
650        double qx_value, qy_value;
651        PyObject* pars;
652        int npars;
653       
654        // Get parameters
655       
656            // Reader parameter dictionary
657    self->model->sldIM_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat4") );
658    self->model->thick_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat8") );
659    self->model->thick_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat9") );
660    self->model->sldIM_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat7") );
661    self->model->sldIM_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat10") );
662    self->model->sldIM_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat5") );
663    self->model->thick_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat1") );
664    self->model->thick_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat3") );
665    self->model->n_layers = PyFloat_AsDouble( PyDict_GetItemString(self->params, "n_layers") );
666    self->model->thick_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat6") );
667    self->model->thick_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat7") );
668    self->model->thick_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat4") );
669    self->model->thick_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat5") );
670    self->model->thick_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter0") );
671    self->model->thick_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter1") );
672    self->model->sld_bottom0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_bottom0") );
673    self->model->thick_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter3") );
674    self->model->thick_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter4") );
675    self->model->thick_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter5") );
676    self->model->thick_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter6") );
677    self->model->thick_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter7") );
678    self->model->thick_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter8") );
679    self->model->thick_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter9") );
680    self->model->npts_inter = PyFloat_AsDouble( PyDict_GetItemString(self->params, "npts_inter") );
681    self->model->sldIM_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat1") );
682    self->model->scale = PyFloat_AsDouble( PyDict_GetItemString(self->params, "scale") );
683    self->model->sldIM_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat2") );
684    self->model->func_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter9") );
685    self->model->thick_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter10") );
686    self->model->sldIM_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat3") );
687    self->model->func_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter8") );
688    self->model->thick_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat2") );
689    self->model->func_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter0") );
690    self->model->sld_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_medium") );
691    self->model->func_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter2") );
692    self->model->func_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter3") );
693    self->model->thick_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_flat10") );
694    self->model->func_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter5") );
695    self->model->func_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter6") );
696    self->model->func_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter7") );
697    self->model->sld_flat4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat4") );
698    self->model->sld_flat5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat5") );
699    self->model->sld_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat6") );
700    self->model->sld_flat7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat7") );
701    self->model->sld_flat1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat1") );
702    self->model->sld_flat2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat2") );
703    self->model->sld_flat3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat3") );
704    self->model->sldIM_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat8") );
705    self->model->sld_flat8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat8") );
706    self->model->sld_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat9") );
707    self->model->sldIM_flat9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat9") );
708    self->model->nu_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter10") );
709    self->model->background = PyFloat_AsDouble( PyDict_GetItemString(self->params, "background") );
710    self->model->func_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter1") );
711    self->model->sldIM_sub0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_sub0") );
712    self->model->sldIM_medium = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_medium") );
713    self->model->sld_flat10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sld_flat10") );
714    self->model->sldIM_flat6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "sldIM_flat6") );
715    self->model->func_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter4") );
716    self->model->thick_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "thick_inter2") );
717    self->model->nu_inter8 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter8") );
718    self->model->nu_inter5 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter5") );
719    self->model->nu_inter4 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter4") );
720    self->model->nu_inter7 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter7") );
721    self->model->nu_inter6 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter6") );
722    self->model->nu_inter1 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter1") );
723    self->model->nu_inter0 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter0") );
724    self->model->nu_inter3 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter3") );
725    self->model->nu_inter2 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter2") );
726    self->model->nu_inter9 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "nu_inter9") );
727    self->model->func_inter10 = PyFloat_AsDouble( PyDict_GetItemString(self->params, "func_inter10") );
728    // Read in dispersion parameters
729    PyObject* disp_dict;
730    DispersionVisitor* visitor = new DispersionVisitor();
731    disp_dict = PyDict_GetItemString(self->dispersion, "thick_inter0");
732    self->model->thick_inter0.dispersion->accept_as_destination(visitor, self->model->thick_inter0.dispersion, disp_dict);
733
734       
735        // Get input and determine whether we have to supply a 1D or 2D return value.
736        if ( !PyArg_ParseTuple(args,"O",&pars) ) {
737            PyErr_SetString(CReflAdvModelError, 
738                "CReflAdvModel.run expects a q value.");
739                return NULL;
740        }
741         
742        // Check params
743        if( PyList_Check(pars)==1) {
744               
745                // Length of list should be 2 for I(qx, qy))
746            npars = PyList_GET_SIZE(pars); 
747            if(npars!=2) {
748                PyErr_SetString(CReflAdvModelError, 
749                        "CReflAdvModel.run expects a double or a list of dimension 2.");
750                return NULL;
751            }
752            // We have a vector q, get the qx and qy values at which
753            // to evaluate I(qx,qy)
754            qx_value = CReflAdvModel_readDouble(PyList_GET_ITEM(pars,0));
755            qy_value = CReflAdvModel_readDouble(PyList_GET_ITEM(pars,1));
756            return Py_BuildValue("d",(*(self->model))(qx_value,qy_value));
757
758        } else {
759
760                // We have a scalar q, we will evaluate I(q)
761                qx_value = CReflAdvModel_readDouble(pars);             
762               
763                return Py_BuildValue("d",(*(self->model))(qx_value));
764        }       
765}
766
767static PyObject * reset(CReflAdvModel *self, PyObject *args) {
768   
769
770    return Py_BuildValue("d",0.0);
771}
772
773static PyObject * set_dispersion(CReflAdvModel *self, PyObject *args) {
774        PyObject * disp;
775        const char * par_name;
776
777        if ( !PyArg_ParseTuple(args,"sO", &par_name, &disp) ) {
778            PyErr_SetString(CReflAdvModelError,
779                "CReflAdvModel.set_dispersion expects a DispersionModel object.");
780                return NULL;
781        }
782        void *temp = PyCObject_AsVoidPtr(disp);
783        DispersionModel * dispersion = static_cast<DispersionModel *>(temp);
784
785
786        // Ugliness necessary to go from python to C
787            // TODO: refactor this
788    if (!strcmp(par_name, "thick_inter0")) {
789        self->model->thick_inter0.dispersion = dispersion;
790    } else {
791            PyErr_SetString(CReflAdvModelError,
792                "CReflAdvModel.set_dispersion expects a valid parameter name.");
793                return NULL;
794        }
795
796        DispersionVisitor* visitor = new DispersionVisitor();
797        PyObject * disp_dict = PyDict_New();
798        dispersion->accept_as_source(visitor, dispersion, disp_dict);
799        PyDict_SetItemString(self->dispersion, par_name, disp_dict);
800    return Py_BuildValue("i",1);
801}
802
803
804static PyMethodDef CReflAdvModel_methods[] = {
805    {"run",      (PyCFunction)run     , METH_VARARGS,
806      "Evaluate the model at a given Q or Q, phi"},
807    {"runXY",      (PyCFunction)runXY     , METH_VARARGS,
808      "Evaluate the model at a given Q or Qx, Qy"},
809    {"calculate_ER",      (PyCFunction)calculate_ER     , METH_VARARGS,
810      "Evaluate the model at a given Q or Q, phi"},
811     
812    {"evalDistribution",  (PyCFunction)evalDistribution , METH_VARARGS,
813      "Evaluate the model at a given Q or Qx, Qy vector "},
814    {"reset",    (PyCFunction)reset   , METH_VARARGS,
815      "Reset pair correlation"},
816    {"set_dispersion",      (PyCFunction)set_dispersion     , METH_VARARGS,
817      "Set the dispersion model for a given parameter"},
818   {NULL}
819};
820
821static PyTypeObject CReflAdvModelType = {
822    PyObject_HEAD_INIT(NULL)
823    0,                         /*ob_size*/
824    "CReflAdvModel",             /*tp_name*/
825    sizeof(CReflAdvModel),             /*tp_basicsize*/
826    0,                         /*tp_itemsize*/
827    (destructor)CReflAdvModel_dealloc, /*tp_dealloc*/
828    0,                         /*tp_print*/
829    0,                         /*tp_getattr*/
830    0,                         /*tp_setattr*/
831    0,                         /*tp_compare*/
832    0,                         /*tp_repr*/
833    0,                         /*tp_as_number*/
834    0,                         /*tp_as_sequence*/
835    0,                         /*tp_as_mapping*/
836    0,                         /*tp_hash */
837    0,                         /*tp_call*/
838    0,                         /*tp_str*/
839    0,                         /*tp_getattro*/
840    0,                         /*tp_setattro*/
841    0,                         /*tp_as_buffer*/
842    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
843    "CReflAdvModel objects",           /* tp_doc */
844    0,                         /* tp_traverse */
845    0,                         /* tp_clear */
846    0,                         /* tp_richcompare */
847    0,                         /* tp_weaklistoffset */
848    0,                         /* tp_iter */
849    0,                         /* tp_iternext */
850    CReflAdvModel_methods,             /* tp_methods */
851    CReflAdvModel_members,             /* tp_members */
852    0,                         /* tp_getset */
853    0,                         /* tp_base */
854    0,                         /* tp_dict */
855    0,                         /* tp_descr_get */
856    0,                         /* tp_descr_set */
857    0,                         /* tp_dictoffset */
858    (initproc)CReflAdvModel_init,      /* tp_init */
859    0,                         /* tp_alloc */
860    CReflAdvModel_new,                 /* tp_new */
861};
862
863
864//static PyMethodDef module_methods[] = {
865//    {NULL}
866//};
867
868/**
869 * Function used to add the model class to a module
870 * @param module: module to add the class to
871 */ 
872void addCReflAdvModel(PyObject *module) {
873        PyObject *d;
874       
875    if (PyType_Ready(&CReflAdvModelType) < 0)
876        return;
877
878    Py_INCREF(&CReflAdvModelType);
879    PyModule_AddObject(module, "CReflAdvModel", (PyObject *)&CReflAdvModelType);
880   
881    d = PyModule_GetDict(module);
882    static char error_name[] = "CReflAdvModel.error";
883    CReflAdvModelError = PyErr_NewException(error_name, NULL, NULL);
884    PyDict_SetItemString(d, "CReflAdvModelError", CReflAdvModelError);
885}
886
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