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trunk/esys2/escript/src/Data/escriptcpp.cpp revision 126 by jgs, Fri Jul 22 03:53:08 2005 UTC trunk/escript/src/escriptcpp.cpp revision 3506 by jfenwick, Wed May 11 01:59:45 2011 UTC
# Line 1  Line 1 
1  //$Id$  
2  /*=============================================================================  /*******************************************************
3    *
4   ******************************************************************************  * Copyright (c) 2003-2010 by University of Queensland
5   *                                                                            *  * Earth Systems Science Computational Center (ESSCC)
6   *       COPYRIGHT ACcESS 2004 -  All Rights Reserved                         *  * http://www.uq.edu.au/esscc
7   *                                                                            *  *
8   * This software is the property of ACcESS.  No part of this code             *  * Primary Business: Queensland, Australia
9   * may be copied in any form or by any means without the expressed written    *  * Licensed under the Open Software License version 3.0
10   * consent of ACcESS.  Copying, use or modification of this software          *  * http://www.opensource.org/licenses/osl-3.0.php
11   * by any unauthorised person is illegal unless that                          *  *
12   * person has a software license agreement with ACcESS.                       *  *******************************************************/
13   *                                                                            *  
14   ******************************************************************************  
15    #include "Data.h"
16  ******************************************************************************/  #include "FunctionSpace.h"
17    #include "FunctionSpaceFactory.h"
18  #include "escript/Data/Data.h"  #include "DataFactory.h"
19  #include "escript/Data/DataVariable.h"  #include "AbstractContinuousDomain.h"
20  #include "escript/Data/FunctionSpace.h"  #include "AbstractDomain.h"
21  #include "escript/Data/FunctionSpaceFactory.h"  #include "Utils.h"
22  #include "escript/Data/DataFactory.h"  #include "AbstractSystemMatrix.h"
23  #include "escript/Data/AbstractContinuousDomain.h"  #include "AbstractTransportProblem.h"
24  #include "escript/Data/AbstractDomain.h"  #include "DataVector.h"
25    #include "esysUtils/Esys_MPI.h"
26    #include "EscriptParams.h"
27    #include "TestDomain.h"
28    
29    
30    extern "C" {
31    #include "esysUtils/blocktimer.h"
32    }
33    
34  #include "esysUtils/esysExceptionTranslator.h"  #include "esysUtils/esysExceptionTranslator.h"
35    
36    #include <boost/version.hpp>
37  #include <boost/python.hpp>  #include <boost/python.hpp>
38  #include <boost/python/module.hpp>  #include <boost/python/module.hpp>
39  #include <boost/python/def.hpp>  #include <boost/python/def.hpp>
40  #include <boost/python/object.hpp>  #include <boost/python/object.hpp>
41  #include <boost/python/tuple.hpp>  #include <boost/python/tuple.hpp>
42                                                                                                                                              #include <boost/smart_ptr.hpp>
43    #include <boost/version.hpp>
44    
45  using namespace boost::python;  using namespace boost::python;
46    
47  /*! \mainpage Esys Documentation  /*! \mainpage Esys Documentation
48   *   *
49   * \version 1.0.0   * \version 3.0.0
50   *   *
51   * - \ref escript   * - \ref escript
52   *   *
53   * - \ref esys_exception "Esys Exception"   * - \ref esys_exception "Esys Exception"
54   *   *
55   * - \ref finley   * - \ref dudley
56   *   *
57   * - <a href=http://www.esscc.uq.edu.au/~cochrane/esys_python_doc/html/index.html>Python module documentation (doxygen generated)</a>   * - <a href="../../epydoc/index.html">Python module documentation (epydoc generated)</a>
  *  
  * - <a href=http://www.esscc.uq.edu.au/~cochrane/esys_python_doc/index.html>Python module documentation (epydoc generated)</a>  
58   *   *
59   */   */
60    
# Line 52  using namespace boost::python; Line 62  using namespace boost::python;
62   * Escript is the python module that contains the interfaces   * Escript is the python module that contains the interfaces
63   * to the C++ side of escript.   * to the C++ side of escript.
64   *   *
65   * \version 1.0.0   *
66   *   *
67   * \section class_desc Class Description:   * \section class_desc Class Description:
68   * Data   * Data
# Line 71  using namespace boost::python; Line 81  using namespace boost::python;
81  BOOST_PYTHON_MODULE(escriptcpp)  BOOST_PYTHON_MODULE(escriptcpp)
82  {  {
83    
84      #if BOOST_VERSION >= 103500
85    // params are: bool show_user_defined, bool show_py_signatures, bool show_cpp_signatures
86      docstring_options docopt(true,true,false);
87      #endif
88    
89      def("setNumberOfThreads",escript::setNumberOfThreads,"Use of this method is strongly discouraged.");
90      def("getNumberOfThreads",escript::getNumberOfThreads,"Return the maximum number of threads"
91    " available to OpenMP.");
92      def("releaseUnusedMemory",escript::releaseUnusedMemory);
93      def("blocktimer_initialize",blocktimer_initialize);
94      def("blocktimer_reportSortByName",blocktimer_reportSortByName);
95      def("blocktimer_reportSortByTime",blocktimer_reportSortByTime);
96      def("blocktimer_increment",blocktimer_increment);
97      def("blocktimer_time",blocktimer_time);
98      def("getVersion",escript::getSvnVersion,"This method will only report accurate version numbers for clean checkouts.");
99      def("printParallelThreadCounts",escript::printParallelThreadCnt);
100      def("getMPISizeWorld",escript::getMPISizeWorld,"Return number of MPI processes in the job.");
101      def("getMPIRankWorld",escript::getMPIRankWorld,"Return the rank of this process in the MPI World.");
102      def("MPIBarrierWorld",escript::MPIBarrierWorld,"Wait until all MPI processes have reached this point.");
103      def("getMPIWorldMax",escript::getMPIWorldMax,"\nEach MPI process calls this function with a"
104    " value for arg1. The maximum value is computed and returned.\n\n:rtype: int");
105      def("getMPIWorldSum",escript::getMPIWorldSum,"\nEach MPI process calls this function with a"
106    " value for arg1. The values are added up and the total value is returned.\n\n:rtype: int");
107      def("getMachinePrecision",escript::getMachinePrecision);
108      def("getMaxFloat",escript::getMaxFloat);
109      def("_saveDataCSV",escript::saveDataCSV, (args("filename","arg","sep","csep"), arg("append")=false),
110    "Saves data objects passed in a python dictionary to a file.\n"
111    "The data objects must be over the same domain and be able to be interpolated to the same FunctionSpace.\n"
112    "If one of the dictionary keys is named ``mask``, then only samples where ``mask`` has a positive\n"
113    "value will be written to the file.\n\n"
114    "A header line giving the names of each column will be output first.\n"
115    "The keys given in the dictionary will be used to name columns.\n"
116    "Then the data will be output, one line per sample (for all data).\n"
117    "That is, items in each column will be printed in the same order.\n"
118    "So you can be sure that values in the same row correspond to the same input value.\n\n"
119    "\n:param filename:\n:type filename: ``string``\n"
120    ":param arg: dictionary of named `Data` objects. If one is called ``mask`` it must be scalar data.\n"
121    ":type arg: ``dict``\n"
122    ":param sep: separator for columns (defaults to ',')\n"
123    ":type sep: ``string``\n"
124    ":param csep: separator for fields within data object (defaults to \"_\")\n:type csep: ``string``\n"
125    ":param append: If True, write to the end of ``filename``\n:type append: ``string``\n");
126    
127    
128    //    //
129    // Interface for AbstractDomain    // Interface for AbstractDomain
130    //    //
131    class_<escript::AbstractDomain>("Domain",no_init)    class_<escript::AbstractDomain, escript::Domain_ptr>("Domain","Base class for all domains.",no_init)
132       .def("getX",&escript::AbstractDomain::getX)       .def("getStatus",&escript::AbstractDomain::getStatus,"The status of a domain changes whenever the domain is modified\n\n:rtype: int")
133       .def("getNormal",&escript::AbstractDomain::getNormal)       .def("setTagMap",&escript::AbstractDomain::setTagMap,args("name","tag"),
134       .def("getSize",&escript::AbstractDomain::getSize)  "Give a tag number a name.\n\n:param name: Name for the tag\n:type name: ``string``\n"
135    ":param tag: numeric id\n:type tag: ``int``\n:note: Tag names must be unique within a domain")
136         .def("getTag",&escript::AbstractDomain::getTag,args("name"),":return: tag id for "
137    "``name``\n:rtype: ``string``")
138         .def("isValidTagName",&escript::AbstractDomain::isValidTagName,args("name"),
139    ":return: True is ``name`` corresponds to a tag\n:rtype: ``bool``")
140         .def("showTagNames",&escript::AbstractDomain::showTagNames,":return: A space separated list of tag names\n:rtype: ``string``")
141         .def("getX",&escript::AbstractDomain::getX,":rtype: `Data`\n:return: Locations in the"
142    "`Domain`. FunctionSpace is chosen appropriately")
143         .def("getDim",&escript::AbstractDomain::getDim,":rtype: `int`\n:return: Spatial dimension of the `Domain`")
144         .def("getNormal",&escript::AbstractDomain::getNormal,":rtype: `escript`\n:return: Boundary normals")
145         .def("getSize",&escript::AbstractDomain::getSize,":return: the local size of samples. The function space is chosen appropriately\n:rtype: `Data`")
146         .def("saveVTK",&escript::AbstractDomain::saveVTK,args("filename","arg", "metadata"
147    , "metadata_schema"),
148    ":param filename: \n:type filename: ``string``\n:param arg: items to be added"
149    "\n:type arg: ``dict``\n:param metadata: string representing some meta data to be added\n:type metadata: ``string``"
150    "\n:param metadata_schema: schema type for metadata\n:type metadata_schema: ``string``")
151         .def("dump",&escript::AbstractDomain::dump,args("filename"),"Dumps the domain to a file"
152    ":param filename:\n:type filename: string")
153         .def("saveDX",&escript::AbstractDomain::saveDX,args("filename","arg"),"Saves a dictonary of Data objects to an OpenDX input file.\n\n:param filename:\n:type filename: ``string``"
154    "\n:param arg:\n:type arg: `dict`")
155         .def("getMPISize",&escript::AbstractDomain::getMPISize,":return: the number of processes used for this `Domain`\n:rtype: ``int``")
156         .def("getMPIRank",&escript::AbstractDomain::getMPIRank,":return: the rank of this process\n:rtype: ``int``")
157         .def("MPIBarrier",&escript::AbstractDomain::MPIBarrier,"Wait until all processes have reached this point")
158         .def("onMasterProcessor",&escript::AbstractDomain::onMasterProcessor,":return: True if this code is executing on the master process\n:rtype: `bool`")
159         .def("supportsContactElements", &escript::AbstractDomain::supportsContactElements,"Does this domain support contact elements.")
160       .def(self == self)       .def(self == self)
161       .def(self != self);       .def(self != self);
162    
163    //    //
164    // Interface for AbstractContinuousDomain    // Interface for AbstractContinuousDomain
165    //    //
166    class_<escript::AbstractContinuousDomain, bases<escript::AbstractDomain> >("ContinuousDomain",no_init)    class_<escript::AbstractContinuousDomain, bases<escript::AbstractDomain> >("ContinuousDomain","Class representing continuous domains",no_init)
167         .def("getSystemMatrixTypeId",&escript::AbstractContinuousDomain::getSystemMatrixTypeId);         .def("getSystemMatrixTypeId",&escript::AbstractContinuousDomain::getSystemMatrixTypeId,
168    args("solver", "preconditioner", "package", "symmetry"),
169    ":return: the identifier of the matrix type to be used for the global stiffness matrix "
170    "when a particular solver package and symmetric matrix is used.\n"
171    ":rtype: int")
172           .def("getTransportTypeId",&escript::AbstractContinuousDomain::getTransportTypeId,
173    args("solver", "preconditioner", "package", "symmetry"))
174    
175          .def("addPDEToSystem",&escript::AbstractContinuousDomain::addPDEToSystem,
176    args("mat", "rhs","A", "B", "C", "D", "X", "Y", "d", "y", "d_contact", "y_contact"),
177    "adds a PDE onto the stiffness matrix mat and a rhs\n\n"
178    ":param mat:\n:type mat: `OperatorAdapter`\n:param rhs:\n:type rhs: `Data`\n"
179    ":param A:\n:type A: `Data`\n"
180    ":param B:\n:type B: `Data`\n"
181    ":param C:\n:type C: `Data`\n"
182    ":param D:\n:type D: `Data`\n"
183    ":param X:\n:type X: `Data`\n"
184    ":param Y:\n:type Y: `Data`\n"
185    ":param d:\n:type d: `Data`\n"
186    ":param d_contact:\n:type d_contact: `Data`\n"
187    ":param y_contact:\n:type y_contact: `Data`\n"
188    )
189          .def("addPDEToRHS",&escript::AbstractContinuousDomain::addPDEToRHS,
190    args("rhs", "X", "Y", "y", "y_contact"),
191    "adds a PDE onto the stiffness matrix mat and a rhs\n\n"
192    ":param rhs:\n:type rhs: `Data`\n"
193    ":param X:\n:type X: `Data`\n"
194    ":param Y:\n:type Y: `Data`\n"
195    ":param y:\n:type y: `Data`\n"
196    ":param y_contact:\n:type y_contact: `Data`"
197    )
198          .def("addPDEToTransportProblem",&escript::AbstractContinuousDomain::addPDEToTransportProblem,
199    args( "tp", "source", "M", "A", "B", "C", "D", "X", "Y", "d", "y", "d_contact", "y_contact"),
200    ":param tp:\n:type tp: `TransportProblemAdapter`\n"
201    ":param source:\n:type source: `Data`\n"
202    ":param M:\n:type M: `Data`\n"
203    ":param A:\n:type A: `Data`\n"
204    ":param B:\n:type B: `Data`\n"
205    ":param C:\n:type C: `Data`\n"
206    ":param D:\n:type D: `Data`\n"
207    ":param X:\n:type X: `Data`\n"
208    ":param Y:\n:type Y: `Data`\n"
209    ":param d:\n:type d: `Data`\n"
210    ":param y:\n:type y: `Data`\n"
211    ":param d_contact:\n:type d_contact: `Data`\n"
212    ":param y_contact:\n:type y_contact: `Data`\n"
213    )
214          .def("newOperator",&escript::AbstractContinuousDomain::newSystemMatrix,
215    args("row_blocksize", "row_functionspace", "column_blocksize", "column_functionspace", "type"),
216    "creates a SystemMatrixAdapter stiffness matrix and initializes it with zeros\n\n"
217    ":param row_blocksize:\n:type row_blocksize: ``int``\n"
218    ":param row_functionspace:\n:type row_functionspace: `FunctionSpace`\n"
219    ":param column_blocksize:\n:type column_blocksize: ``int``\n"
220    ":param column_functionspace:\n:type column_functionspace: `FunctionSpace`\n"
221    ":param type:\n:type type: ``int``\n"
222    )
223          .def("newTransportProblem",&escript::AbstractContinuousDomain::newTransportProblem,
224    args("theta", "blocksize", "functionspace", "type"),
225    "creates a TransportProblemAdapter\n\n"
226    ":param theta:\n:type theta: ``float``\n"
227    ":param blocksize:\n:type blocksize: ``int``\n"
228    ":param functionspace:\n:type functionspace: `FunctionSpace`\n"
229    ":param type:\n:type type: ``int``\n"
230    )
231          .def("getDataShape",&escript::AbstractContinuousDomain::getDataShape, args("functionSpaceCode"),
232    ":return: a pair (dps, ns) where dps=the number of data points per sample, and ns=the number of samples\n:rtype: ``tuple``")
233          .def("print_mesh_info",&escript::AbstractContinuousDomain::Print_Mesh_Info,(arg("full")=false),
234    ":param full:\n:type full: ``bool``")
235          .def("getDescription",&escript::AbstractContinuousDomain::getDescription,
236    ":return: a description for this domain\n:rtype: ``string``")
237          .def("setX",&escript::AbstractContinuousDomain::setNewX,
238    args("arg"), "assigns new location to the domain\n\n:param arg:\n:type arg: `Data`")
239          .def("getNumDataPointsGlobal",&escript::AbstractContinuousDomain::getNumDataPointsGlobal,
240    ":return: the number of data points summed across all MPI processes\n"
241    ":rtype: ``int``");
242    
243    
244    
245    
246    //    //
247    // Interface for FunctionSpace    // Interface for TestDomain
248    //    //
249    class_<escript::FunctionSpace>("FunctionSpace",init<>())    class_ <escript::TestDomain, bases<escript::AbstractDomain> >("TestDomain", "Test Class for domains with no structure. May be removed from future releases without notice.", init<int,int>());
250       .def("getDim",&escript::FunctionSpace::getDim)  
251       .def("getX",&escript::FunctionSpace::getX)    // This is the only python visible way to get a TestDomain
252       .def("getNormal",&escript::FunctionSpace::getNormal)    def("getTestDomainFunctionSpace",&escript::getTestDomainFunctionSpace, args("dpps",
253       .def("getSize",&escript::FunctionSpace::getSize)   "samples"),
254       .def("toString",&escript::FunctionSpace::toString)  "For testing only. May be removed without notice.");
      .def(self == self)  
      .def(self != self);  
255    
256    //    //
257    // Interface for DataVariable    // Interface for FunctionSpace
258    //    //
259    class_<escript::DataVariable>("DataVariable",init<>())    class_<escript::FunctionSpace> fs_definer("FunctionSpace","A FunctionSpace describes which points from the `Domain` to use to represent functions.",init<>());    // Doco goes in the empty string param
260      .def(init<escript::Data*>())    fs_definer.def("getDim",&escript::FunctionSpace::getDim,":return: the spatial dimension of the underlying domain.\n:rtype: int");
261      .def("evaluate",&escript::DataVariable::evaluate)  //   fs_definer.def("getDomain",&escript::FunctionSpace::getDomain,
262      .def("sum",&escript::DataVariable::sum)  //                  return_internal_reference<>());
263      .def("diff",&escript::DataVariable::diff);    fs_definer.def("getDomain",&escript::FunctionSpace::getDomainPython,":return: the underlying `Domain` for this FunctionSpace.\n:rtype: `Domain`");
264      fs_definer.def("getX",&escript::FunctionSpace::getX,"\n:return: a function whose values are its input coordinates. ie an identity function.\n:rtype: `Data`");
265      fs_definer.def("getNormal",&escript::FunctionSpace::getNormal,":return: the surface normal field.\n\n:rtype: `Data`");
266      fs_definer.def("getSize",&escript::FunctionSpace::getSize,":return: sample size\n:rtype: `Data`");
267      fs_definer.def("setTags",&escript::FunctionSpace::setTags,args("newtag","mask"),
268    "Set tags according to a mask\n\n:param newtag: tag number to set\n:type newtag: string, non-zero ``int``\n:param mask: Samples which correspond to positive values in the mask will be set to ``newtag``.\n:type mask: scalar `Data`");
269      fs_definer.def("setTags",&escript::FunctionSpace::setTagsByString,args("newtag","mask"));
270      fs_definer.def("getTagFromDataPointNo",
271                     &escript::FunctionSpace::getTagFromDataPointNo,":return: the tag associated with the given sample number.\n:rtype: int");
272      fs_definer.def("getReferenceIDFromDataPointNo", &escript::FunctionSpace::getReferenceIDFromDataPointNo,args("dataPointNo"),":return: the reference number associated with ``dataPointNo``\n:rtype: int ");
273      fs_definer.def("getListOfTags",&escript::FunctionSpace::getListOfTags,":return: a list of the tags used in this function space\n:rtype: ``list``");
274      fs_definer.def("getApproximationOrder", &escript::FunctionSpace::getApproximationOrder,":return: the approximation order refering to the maximum degree of a polynomial which can be represenred exactly in interplation and/or integration.\n:rtype: ``int``");
275      fs_definer.def("__str__", &escript::FunctionSpace::toString);
276      fs_definer.def(self == self);
277      fs_definer.def(self != self);
278    //    //
279    // Interface for Data    // Interface for Data
280    //    //
281    class_<escript::Data>("Data",init<>())    class_<escript::Data>("Data"/*,shared_ptr<Data>*/, "Represents a collection of datapoints. It is used to store the values of a function. For more details please consult the c++ class documentation.",init<>() )
282      // various constructors for Data objects      // various constructors for Data objects
     .def(init<const numeric::array&, optional<const escript::FunctionSpace&, bool> >(args("value","what","expand")))  
283      .def(init<const object&, optional<const escript::FunctionSpace&, bool> >(args("value","what","expand")))      .def(init<const object&, optional<const escript::FunctionSpace&, bool> >(args("value","what","expand")))
284      .def(init<const double, const tuple&, optional<const escript::FunctionSpace&, bool> >(args("value","shape","what","expand")))      .def(init<const double, const tuple&, optional<const escript::FunctionSpace&, bool> >(args("value","shape","what","expand")))
285      .def(init<const escript::Data&, const escript::FunctionSpace&>(args("value","what")))      .def(init<const escript::Data&, const escript::FunctionSpace&>(args("value","what")))
286      .def(init<const escript::Data&>())      .def(init<const escript::Data&>())
287      // Note for Lutz, Need to specify the call policy in order to return a      // Note for Lutz, Need to specify the call policy in order to return a
288      // reference. In this case return_internal_reference.      // reference. In this case return_internal_reference.
289      .def("toString",&escript::Data::toString)      .def("__str__",&escript::Data::toString)
290      .def("getDomain",&escript::Data::getDomain,return_internal_reference<>())      .def("getDomain",&escript::Data::getDomainPython,":rtype: `Domain`")
291      .def("getFunctionSpace",&escript::Data::getFunctionSpace,return_internal_reference<>())      .def("getFunctionSpace",&escript::Data::getFunctionSpace,return_value_policy<copy_const_reference>(),":rtype: `FunctionSpace`")
292      .def("isEmpty",&escript::Data::isEmpty)      .def("isEmpty",&escript::Data::isEmpty,"Is this object an instance of ``DataEmpty``\n\n:rtype: ``bool``\n:note: This is not the same thing as asking if the object contains datapoints.")
293      .def("getShape",&escript::Data::getShapeTuple)      .def("isProtected",&escript::Data::isProtected,"Can this instance be modified.\n:rtype: ``bool``")
294      .def("getRank",&escript::Data::getDataPointRank)      .def("setProtection",&escript::Data::setProtection,"Disallow modifications to this data object\n\n:note: This method does not allow you to undo protection.")
295      .def("copyWithMask",&escript::Data::copyWithMask)      .def("getShape",&escript::Data::getShapeTuple,"\nReturns the shape of the datapoints in this object as a python tuple. Scalar data has the shape ``()``\n\n:rtype: ``tuple``")
296      .def("setTaggedValue",&escript::Data::setTaggedValue)      .def("getRank",&escript::Data::getDataPointRank,":return: the number of indicies required to address a component of a datapoints\n:rtype: positive ``int``")
297      .def("setRefValue",&escript::Data::setRefValue)      .def("dump",&escript::Data::dump,args("fileName"),"Save the data as a netCDF file\n\n:param fileName: \n:type fileName: ``string``")
298      .def("getRefValue",&escript::Data::getRefValue)      .def("toListOfTuples",&escript::Data::toListOfTuples, (arg("scalarastuple")=false),
299      .def("expand",&escript::Data::expand)  "Return the datapoints of this object in a list. Each datapoint is stored as a tuple.\n\n"
300      .def("tag",&escript::Data::tag)  ":param scalarastuple: if True, scalar data will be wrapped as a tuple."
301      .def("copy",&escript::Data::copy)  " True => [(0), (1), (2)]; False => [0, 1, 2]")
302      .def("saveDX",&escript::Data::saveDX)      .def("copyWithMask",&escript::Data::copyWithMask,args("other","mask"),
303      .def("saveVTK",&escript::Data::saveVTK)  "Selectively copy values from ``other`` `Data`."
304      .def("wherePositive",&escript::Data::wherePositive)  "Datapoints which correspond to postive values in ``mask`` will be copied from ``other``\n"
305      .def("whereNegative",&escript::Data::whereNegative)  "\n:param other: source of values\n"
306      .def("whereNonNegative",&escript::Data::whereNonNegative)  ":type other: `Data`\n:param mask:\n:type mask: Scalar `Data`")
307      .def("whereNonPositive",&escript::Data::whereNonPositive)      .def("setTaggedValue",&escript::Data::setTaggedValue,args("tagKey","value"),
308      .def("whereZero",&escript::Data::whereZero)  "Set the value of tagged Data.\n\n:param tagKey: tag to update\n:type tagKey: ``int``\n")
309      .def("whereNonZero",&escript::Data::whereNonZero)      .def("setTaggedValue",&escript::Data::setTaggedValueByName,args("name","value"),":param name: tag to update\n:type name: ``string``\n"
310    ":param value: value to set tagged data to\n:type value: ``object`` which acts like an array, ``tuple`` or ``list``\n")
311        .def("getNumberOfDataPoints",&escript::Data::getNumDataPoints,":rtype: ``int``\n:return: Number of datapoints in the object")
312        .def("isExpanded",&escript::Data::isExpanded,":rtype: ``bool``\n:return: True if this ``Data`` is expanded.")
313        .def("isTagged",&escript::Data::isTagged,":rtype: ``bool``\n:return: True if this ``Data`` is expanded.")
314        .def("isConstant",&escript::Data::isConstant,":rtype: ``bool``\n:return: True if this ``Data`` is an instance of ``DataConstant``\n:note: This does not mean the data is immutable.")
315        .def("isLazy",&escript::Data::isLazy,":rtype: ``bool``\n:return: True if this ``Data`` is lazy.")
316        .def("isReady",&escript::Data::isReady,":rtype: ``bool``\n:return: True if this ``Data`` is not lazy.")
317        .def("expand",&escript::Data::expand,"Convert the data to expanded representation if it is not expanded already.")
318        .def("tag",&escript::Data::tag,"Convert data to tagged representation if it is not already tagged or expanded")
319        .def("resolve",&escript::Data::resolve,"Convert the data to non-lazy representation.")
320        .def("copy",&escript::Data::copy,args("other"),"Make this object a copy of ``other``\n"
321    "\n:note: The two objects will act independently from now on. That is, changing ``other`` "
322    "after this call will not change this object and vice versa.")
323        .def("copy",&escript::Data::copySelf,":note: In the no argument form, a new object will be returned which is an independent copy of this object.")
324        .def("delay",&escript::Data::delay,"Convert this object into lazy representation")
325        .def("setValueOfDataPoint",&escript::Data::setValueOfDataPointToPyObject,args("dataPointNo","value"))
326        .def("setValueOfDataPoint",&escript::Data::setValueOfDataPointToArray)
327        .def("setValueOfDataPoint",&escript::Data::setValueOfDataPoint,"\nModify the value of a single datapoint.\n\n:param dataPointNo:\n"
328    ":type dataPointNo: int\n:param value: \n:type value: ``float`` or an object which acts like an array, ``tuple`` or ``list``\n:warning: Use of this operation is discouraged. It prevents some optimisations from operating.")
329        .def("getTupleForDataPoint",&escript::Data::getValueOfDataPointAsTuple,args("dataPointNo"),
330    ":return: Value of the specified datapoint\n:rtype: ``tuple``\n:param dataPointNo: datapoint to access\n:type dataPointNo: ``int``")
331        .def("getTupleForGlobalDataPoint",&escript::Data::getValueOfGlobalDataPointAsTuple,args("procNo","dataPointNo"),"Get a specific datapoint from a specific process\n\n"
332    ":rtype: ``tuple``\n:param procNo: MPI rank of the process\n:type procNo: positive ``int``"
333    "\n:param dataPointNo: datapoint to access\n:type dataPointNo: int")
334        .def("setToZero",&escript::Data::setToZero,"After this call the object will store values of the same shape as before but all components will be zero.")
335        .def("interpolate",&escript::Data::interpolate,args("functionspace"),"Interpolate this object's values into a new functionspace.")
336        .def("_interpolateTable3d", &escript::Data::interpolateFromTable3DP,
337    (arg("table"),arg("Amin"),arg("Astep"), arg("B"), arg("Bmin"), arg("Bstep"), arg("C"), arg("Cmin"), arg("Cstep"), arg("undef")=1.e50, arg("check_boundaries")=false, "For internal use only. Please use the interpolateTable function.")
338    )
339    
340        .def("interpolateTable", &escript::Data::interpolateFromTable2DP,
341    (arg("table"),arg("Amin"),arg("Astep"), arg("B"), arg("Bmin"), arg("Bstep"), arg("undef")=1.e50, arg("check_boundaries")=false),
342    "Creates a new Data object by interpolating using the source data (which are\n"
343    "looked up in ``table``)\n``A`` must be the outer dimension on the table\n\n"
344    ":param table: two dimensional collection of values\n"
345    ":param Amin: The base of locations in table\n:type Amin: float\n"
346    ":param Astep: size of gap between each item in the table\n:type Astep: float\n"
347    ":param undef: upper bound on interpolated values\n:type undef: float\n"
348    ":param B: Scalar representing the second coordinate to be mapped into the table\n"
349    ":type B: `Data`\n"
350    ":param Bmin: The base of locations in table for 2nd dimension\n:type Bmin: float\n"
351    ":param Bstep: size of gap between each item in the table for 2nd dimension\n:type Bstep: float\n"
352    ":param check_boundaries: if true, then values outside the boundaries will be rejected. If false, then boundary values will be used.\n"
353    ":raise RuntimeError(DataException): if the cordinates do not map into the table or if the interpolated value is above ``undef``"
354    "\n:rtype: `Data`"
355    )
356        .def("interpolateTable", &escript::Data::interpolateFromTable1DP,
357    (arg("table"),arg("Amin"),arg("Astep"), arg("undef")=1.e50, arg("check_boundaries")=false)/*,
358    "Creates a new Data object by interpolating using the source data (which are\n"
359    "looked up in ``table``)\n\n"
360    ":param table: one dimensional collection of values\n"
361    ":param Amin: The base of locations in table\n:type Amin: float\n"
362    ":param Astep: size of gap between each item in the table\n:type Astep: float\n"
363    ":param undef: upper bound on interpolated values\n:type undef: float\n"
364    ":param check_boundaries: if true, then values outside the boundaries will be rejected. If false, then boundary values will be used.\n"
365    ":raise RuntimeError(DataException): if the cordinates do not map into the table or if the interpolated value is above ``undef``"
366    "\n:rtype: `Data`"
367    */
368    )
369    
370    
371        .def("minGlobalDataPoint",&escript::Data::minGlobalDataPoint,"Please consider using getInfLocator() from pdetools instead.")
372        .def("maxGlobalDataPoint",&escript::Data::maxGlobalDataPoint, "Please consider using getSupLocator() from pdetools instead.")
373        .def("saveDX",&escript::Data::saveDX,args("fileName"),"Save the object in DX format.\n\n"
374    ":param fileName: filename\n:type fileName: string")
375        .def("saveVTK",&escript::Data::saveVTK, args("fileName"),"Save the object in VTK format.\n\n"
376    ":param fileName: \n:type fileName: string")
377        .def("getTagNumber",&escript::Data::getTagNumber,args("dpno"),"Return tag number for the specified datapoint\n\n:rtype: int\n:param dpno: datapoint number\n:type dpno: int")
378      // Unary functions for Data      // Unary functions for Data
379      .def("interpolate",&escript::Data::interpolate)      .def("_interpolate",&escript::Data::interpolate)
380      .def("grad",&escript::Data::gradOn)      .def("_grad",&escript::Data::gradOn)
381      .def("grad",&escript::Data::grad)      .def("_grad",&escript::Data::grad)
382      .def("convertToNumArray",&escript::Data::convertToNumArray)      .def("_transpose",&escript::Data::transpose)
383      .def("convertToNumArrayFromSampleNo",&escript::Data::convertToNumArrayFromSampleNo)      .def("_trace",&escript::Data::trace)
384      .def("convertToNumArrayFromDPNo",&escript::Data::convertToNumArrayFromDPNo)      .def("_maxval",&escript::Data::maxval)
385      .def("fillFromNumArray",&escript::Data::fillFromNumArray)      .def("_minval",&escript::Data::minval)
386      .def("archiveData",&escript::Data::archiveData)      .def("_wherePositive",&escript::Data::wherePositive)
387      .def("extractData",&escript::Data::extractData)      .def("_whereNegative",&escript::Data::whereNegative)
388      .def("integrate",&escript::Data::integrate)      .def("_whereNonNegative",&escript::Data::whereNonNegative)
389      .def("transpose",&escript::Data::transpose)      .def("_whereNonPositive",&escript::Data::whereNonPositive)
390      .def("trace",&escript::Data::trace)      .def("_whereZero",&escript::Data::whereZero,(arg("tol")=0.0))
391      .def("sin",&escript::Data::sin)      .def("_whereNonZero",&escript::Data::whereNonZero,(arg("tol")=0.0))
392      .def("cos",&escript::Data::cos)      .def("_erf",&escript::Data::erf)
393      .def("tan",&escript::Data::tan)      .def("_sin",&escript::Data::sin)
394      .def("log",&escript::Data::log)      .def("_cos",&escript::Data::cos)
395      .def("ln",&escript::Data::ln)      .def("_tan",&escript::Data::tan)
396      .def("Lsup",&escript::Data::Lsup)      .def("_asin",&escript::Data::asin)
397      .def("Linf",&escript::Data::Lsup)      .def("_acos",&escript::Data::acos)
398      .def("sup",&escript::Data::sup)      .def("_atan",&escript::Data::atan)
399      .def("inf",&escript::Data::inf)      .def("_sinh",&escript::Data::sinh)
400      .def("__abs__",&escript::Data::abs)      .def("_cosh",&escript::Data::cosh)
401      .def("abs",&escript::Data::abs)      .def("_tanh",&escript::Data::tanh)
402      .def("exp",&escript::Data::exp)      .def("_asinh",&escript::Data::asinh)
403      .def("sqrt",&escript::Data::sqrt)      .def("_acosh",&escript::Data::acosh)
404      .def("maxval",&escript::Data::maxval)      .def("_atanh",&escript::Data::atanh)
405      .def("minval",&escript::Data::minval)      .def("_exp",&escript::Data::exp)
406      .def("mindp",&escript::Data::mindp)      .def("_sqrt",&escript::Data::sqrt)
407      .def("length",&escript::Data::length)      .def("_log10",&escript::Data::log10)
408      .def("sign",&escript::Data::sign)      .def("_log",&escript::Data::log)
409        .def("_sign",&escript::Data::sign)
410        .def("_symmetric",&escript::Data::symmetric)
411        .def("_nonsymmetric",&escript::Data::nonsymmetric)
412        .def("_trace",&escript::Data::trace)
413        .def("_swap_axes",&escript::Data::swapaxes)
414        .def("_eigenvalues",&escript::Data::eigenvalues)
415        .def("_eigenvalues_and_eigenvectors",&escript::Data::eigenvalues_and_eigenvectors,(arg("tol")=1.e-13))
416        // functions returning a single real number:
417        .def("_Lsup",&escript::Data::Lsup,":return: the Lsup-norm of the object\n:rtype: float\n:note: If the ``Data`` contains no values, zero will be returned instead.")
418        .def("_sup",&escript::Data::sup,":return: the maximum value over all data points.\n:rtype: float\n:note: If the ``Data`` contains no values a large negative value will be returned instead.")
419        .def("_inf",&escript::Data::inf,":return: minimum value over all components and all data points\n:rtype: float\n:note: If the ``Data`` contains no values a large positive value will be returned instead.")
420        .def("_integrateToTuple",&escript::Data::integrateToTuple,":return: Calculate the integral over the function space domain as a python tuple\n:rtype: tuple")
421        // following implements the python abs operator
422        .def("__abs__",&escript::Data::abs,":return: absolute value\n\n:rtype: `Data`")
423      // following implements the python "-" negation operator      // following implements the python "-" negation operator
424      .def("__neg__",&escript::Data::neg)      .def("__neg__",&escript::Data::neg, ":return: negation of the values in this object\n:rtype: `Data`")
     .def("neg",&escript::Data::neg)  
425      // following implements the python "+" identity operator      // following implements the python "+" identity operator
426      .def("__pos__",&escript::Data::pos)      .def("__pos__",&escript::Data::pos, "\nThe unary + operator\n\n:rtype: `Data`")
427      .def("pos",&escript::Data::pos)      // following three functions implement the python [] operator
428      // following two functions implement the python [] operator      .def("__getitem__",&escript::Data::getItem,"Used by the python [] operator\n\n:rtype: `Data`")
429      .def("__getitem__",&escript::Data::getItem)      .def("__setitem__",&escript::Data::setItemO,"Used by the python [] operator")
430      .def("__setitem__",&escript::Data::setItemO)      .def("__setitem__",&escript::Data::setItemD,"Used by the python [] operator")
431      .def("__setitem__",&escript::Data::setItemD)      // following three functions implement the python ** operator
432      // following two functions implement the python ** operator      .def("__pow__",&escript::Data::powO,"Used by the python ** operator\n\n:rtype: `Data`")
     .def("__pow__",&escript::Data::powO)  
433      .def("__pow__",&escript::Data::powD)      .def("__pow__",&escript::Data::powD)
434        .def("__rpow__",&escript::Data::rpowO,"\nUsed by the python ** operator\n\n:rtype: `Data`")
435        // following two functions implement the newer python / operator
436        .def("__truediv__",&escript::Data::truedivD)
437        .def("__truediv__",&escript::Data::truedivO)
438      // NOTE:: The order of these declarations is important. Anything      // NOTE:: The order of these declarations is important. Anything
439      // declared before the generic declaration isn't found so the generic      // declared before the generic declaration isn't found so the generic
440      // version will be called.      // version will be called.
441    //    .def(self + other<object>())
442    //    .def(other<object>() + self)
443    //    .def(self + self)
444      .def(self += other<object>())      .def(self += other<object>())
445      .def(self += self)      .def(self += self)
446      .def(self + other<object>())  
447      .def(other<object>() + self)  //     .def(self - other<object>())
448      .def(self + self)  //     .def(other<object>() - self)
449    //     .def(self - self)
450      .def(self -= other<object>())      .def(self -= other<object>())
451      .def(self -= self)      .def(self -= self)
452      .def(self - other<object>())  
453      .def(other<object>() - self)  //     .def(self * other<object>())
454      .def(self - self)  //     .def(other<object>() * self)
455    //     .def(self * self)
456      .def(self *= other<object>())      .def(self *= other<object>())
457      .def(self *= self)      .def(self *= self)
458      .def(self * other<object>())  
459      .def(other<object>() * self)  //     .def(self / other<object>())
460      .def(self * self)  //     .def(other<object>() / self)
461    //     .def(self / self)
462      .def(self /= other<object>())      .def(self /= other<object>())
463      .def(self /= self)      .def(self /= self)
     .def(self / other<object>())  
     .def(other<object>() / self)  
     .def(self / self)  
464      // Need scope resolution due to a bug either in the compiler or      // Need scope resolution due to a bug either in the compiler or
465      // the boost code. This calls operator << for Data.      // the boost code. This calls operator << for Data.
466      .def(self_ns::str(self));      .def(self_ns::str(self))
467        .def("_inverse", &escript::Data::matrixInverse, ":return: inverse of square matricies\n")
468    //    .def("__add__", &escript::Data::addOperatorD)
469        .def("__add__", &escript::Data::__add__)
470        .def("__radd__", &escript::Data::__add__)  // its the same coz + is commutative
471        .def("__sub__", &escript::Data::__sub__)
472        .def("__rsub__", &escript::Data::__rsub__)
473        .def("__mul__", &escript::Data::__mul__)  
474        .def("__rmul__", &escript::Data::__mul__)   // commutative
475        .def("__div__", &escript::Data::__div__)  
476        .def("__rdiv__", &escript::Data::__rdiv__)   // commutative
477        
478        ;
479    
480    //    //
481    // Factory methods for function space    // Factory methods for function space
482    //    //
483    def("ContinuousFunction",escript::continuousFunction);    def("ContinuousFunction",escript::continuousFunction,args("domain"),
484    def("Function",escript::function);  ":return: a continuous FunctionSpace (overlapped node values)\n"
485    def("FunctionOnBoundary",escript::functionOnBoundary);  ":rtype: `FunctionSpace`");
486    def("FunctionOnContactZero",escript::functionOnContactZero);    def("ReducedContinuousFunction",escript::reducedContinuousFunction,args("domain"),
487    def("FunctionOnContactOne",escript::functionOnContactOne);  ":return: a continuous with reduced order FunctionSpace (overlapped node values on reduced element order)\n"
488    def("Solution",escript::solution);  ":rtype: `FunctionSpace`");
489    def("ReducedSolution",escript::reducedSolution);    def("Function",escript::function,args("domain"),":return: a function `FunctionSpace`\n"
490    def("DiracDeltaFunction",escript::diracDeltaFunction);  ":rtype: `FunctionSpace`");
491      def("ReducedFunction",escript::reducedFunction, args("domain"),":return: a function FunctionSpace with reduced integration order\n:rtype: `FunctionSpace`");
492      def("FunctionOnBoundary",escript::functionOnBoundary, args("domain"), ":return: a function on boundary FunctionSpace\n:rtype: `FunctionSpace`");
493      def("ReducedFunctionOnBoundary",escript::reducedFunctionOnBoundary, args("domain"),
494    ":return: a function on boundary FunctionSpace with reduced integration order\n"
495    ":rtype: `FunctionSpace`");
496      def("FunctionOnContactZero",escript::functionOnContactZero, args("domain"), ":return: Return a FunctionSpace on left side of contact\n:rtype: `FunctionSpace`");
497      def("ReducedFunctionOnContactZero",escript::reducedFunctionOnContactZero, args("domain"),
498     ":return: a FunctionSpace  on left side of contact with reduced integration order\n:rtype: `FunctionSpace`");
499      def("FunctionOnContactOne",escript::functionOnContactOne, args("domain"), ":return: Return a FunctionSpace on right side of contact\n:rtype: `FunctionSpace`");
500      def("ReducedFunctionOnContactOne",escript::reducedFunctionOnContactOne, args("domain"),
501     ":return: Return a FunctionSpace on right side of contact with reduced integration order\n"
502    ":rtype: `FunctionSpace`");
503      def("Solution",escript::solution, args("domain"), ":rtype: `FunctionSpace`");
504      def("ReducedSolution",escript::reducedSolution, args("domain"), ":rtype: `FunctionSpace`");
505      def("DiracDeltaFunction",escript::diracDeltaFunction, args("domain"), ":rtype: `FunctionSpace`");
506    
507    
508    
509    
510    
511    //    //
512    // Factory methods for Data    // Factory methods for Data
513    //    //
514      def("load",escript::load, args("fileName","domain"), "reads Data on domain from file in netCDF format\n\n:param fileName:\n:type fileName: ``string``\n:param domain:\n:type domain: `Domain`");
515      def("loadIsConfigured",escript::loadConfigured,":return: True if the load function is configured.");
516    def("Scalar",escript::Scalar,    def("Scalar",escript::Scalar,
517        (arg("value")=0.0,        (arg("value")=0.0,
518         arg("what")=escript::FunctionSpace(),         arg("what")=escript::FunctionSpace(),
519         arg("expanded")=false));         arg("expanded")=false),
520    "Construct a Data object containing scalar data-points.\n\n:param value: scalar value for all points\n"
521    "\n:rtype: `Data`\n:type value: float\n:param what: FunctionSpace for Data\n:type what: `FunctionSpace`\n"
522    ":param expanded: If True, a value is stored for each point. If False, more efficient representations may be used\n"
523    ":type expanded: ``bool``");
524    def("Vector",escript::Vector,    def("Vector",escript::Vector,
525        (arg("value")=0.0,        (arg("value")=0.0,
526         arg("what")=escript::FunctionSpace(),         arg("what")=escript::FunctionSpace(),
527         arg("expanded")=false));         arg("expanded")=false),
528    "Construct a Data object containing rank1 data-points.\n\n:param value: scalar value for all points\n"
529    "\n:rtype: `Data`\n:type value: float\n:param what: FunctionSpace for Data\n:type what: `FunctionSpace`\n"
530    ":param expanded: If True, a value is stored for each point. If False, more efficient representations may be used\n"
531    ":type expanded: ``bool``");
532     def("Vector", escript::VectorFromObj,
533          (arg("value"),
534        arg("what")=escript::FunctionSpace(),
535        arg("expanded")=false));
536    def("Tensor",escript::Tensor,    def("Tensor",escript::Tensor,
537        (arg("value")=0.0,        (arg("value")=0.0,
538         arg("what")=escript::FunctionSpace(),         arg("what")=escript::FunctionSpace(),
539         arg("expanded")=false));         arg("expanded")=false),
540    "Construct a Data object containing rank2 data-points.\n\n:param value: scalar value for all points\n"
541    "\n:rtype: `Data`\n:type value: float\n:param what: FunctionSpace for Data\n:type what: `FunctionSpace`\n"
542    ":param expanded: If True, a value is stored for each point. If False, more efficient representations may be used\n"
543    ":type expanded: ``bool``");
544     def("Tensor", escript::TensorFromObj,
545          (arg("value"),
546        arg("what")=escript::FunctionSpace(),
547        arg("expanded")=false));
548    def("Tensor3",escript::Tensor3,    def("Tensor3",escript::Tensor3,
549        (arg("value")=0.0,        (arg("value")=0.0,
550         arg("what")=escript::FunctionSpace(),         arg("what")=escript::FunctionSpace(),
551         arg("expanded")=false));         arg("expanded")=false),
552    "Construct a Data object containing rank3 data-points.\n\n:param value: scalar value for all points\n"
553    "\n:rtype: `Data`\n:type value: float\n:param what: FunctionSpace for Data\n:type what: `FunctionSpace`\n"
554    ":param expanded: If True, a value is stored for each point. If False, more efficient representations may be used\n"
555    ":type expanded: ``bool``"
556    );
557     def("Tensor3", escript::Tensor3FromObj,
558          (arg("value"),
559        arg("what")=escript::FunctionSpace(),
560        arg("expanded")=false));
561    def("Tensor4",escript::Tensor4,    def("Tensor4",escript::Tensor4,
562        (arg("value")=0.0,        (arg("value")=0.0,
563         arg("what")=escript::FunctionSpace(),         arg("what")=escript::FunctionSpace(),
564         arg("expanded")=false));         arg("expanded")=false),
565    "Construct a Data object containing rank4 data-points.\n\n:param value: scalar value for all points\n"
566    "\n:rtype: `Data`\n:type value: float\n:param what: FunctionSpace for Data\n:type what: `FunctionSpace`\n"
567    ":param expanded: If True, a value is stored for each point. If False, more efficient representations may be used\n"
568    ":type expanded: ``bool``"
569    );
570     def("Tensor4", escript::Tensor4FromObj,
571          (arg("value"),
572        arg("what")=escript::FunctionSpace(),
573        arg("expanded")=false));
574    
575    
576     def("RandomData", escript::randomData, (arg("shape"), arg("fs"), arg("seed")=0),
577    "Creates a new expanded Data object containing (not very) random values.\n\n"
578    ":param shape: datapoint shape\n:type shape: tuple\n"
579    ":param fs: function space for data object.\n:type fs: `FunctionSpace`\n"
580    ":param seed: seed for random number generator.\n:type seed: long\n");
581    
582      //
583      // Binary operators
584      //
585      def("C_GeneralTensorProduct",escript::C_GeneralTensorProduct,
586          (arg("arg0"),
587           arg("arg1"),
588           arg("axis_offset")=0,
589           arg("transpose")=0),
590    "Compute a tensor product of two Data objects.\n\n:rtype: `Data`\n:param arg0:\n"
591    ":param arg1:\n:param axis_offset:\n:type axis_offset: ``int``\n"
592    ":param transpose: 0: transpose neither, 1: transpose arg0, 2: transpose arg1\n"
593    ":type transpose: int");
594    
595    //    //
596    // Interface for AbstractSystemMatrix    // Interface for AbstractSystemMatrix
597    //    //
598    class_<escript::AbstractSystemMatrix>("Operator",init<>())    class_<escript::AbstractSystemMatrix,escript::ASM_ptr>("Operator","",init<>())    // Doco goes in the empty string param
599       .def("isEmpty",&escript::AbstractSystemMatrix::isEmpty)       .def("isEmpty",&escript::AbstractSystemMatrix::isEmpty,":rtype: ``bool``\n"
600       .def("solve",&escript::AbstractSystemMatrix::solve)  ":return: True if matrix is empty")
601       .def("of",&escript::AbstractSystemMatrix::vectorMultiply)       .def("solve",&escript::AbstractSystemMatrix::solve, args("in","options"),
602       .def("saveMM",&escript::AbstractSystemMatrix::saveMM)  ":return: the solution *u* of the linear system *this*u=in*\n\n:param in:\n:type in: `Data`")
603       .def("saveHB",&escript::AbstractSystemMatrix::saveHB)       .def("of",&escript::AbstractSystemMatrix::vectorMultiply,args("right"),
604       .def("setValue",&escript::AbstractSystemMatrix::setValue)  "matrix*vector multiplication")
605       .def("resetSolver",&escript::AbstractSystemMatrix::resetSolver)       .def("saveMM",&escript::AbstractSystemMatrix::saveMM, args("fileName"),
606    "writes the matrix to a file using the Matrix Market file format")
607         .def("saveHB",&escript::AbstractSystemMatrix::saveHB, args("filename"),
608    "writes the matrix to a file using the Harwell-Boeing file format")
609         .def("resetValues",&escript::AbstractSystemMatrix::resetValues, "resets the matrix entries")
610       .def(self*other<escript::Data>());       .def(self*other<escript::Data>());
611      //
612      // Interface for AbstractTransportProblem
613      //
614      class_<escript::AbstractTransportProblem, escript::ATP_ptr>("TransportProblem","",init<>())    // Doco goes in the empty string param
615         .def("isEmpty",&escript::AbstractTransportProblem::isEmpty,":rtype: ``int``")
616         .def("solve",&escript::AbstractTransportProblem::solve, args("u0","source","dt", "options"),
617    "returns the solution *u* for a time step *dt>0* with initial value u0\n\n:rtype: `Data`\n"
618    ":param source:\n:type source: `Data`")
619         .def("insertConstraint",&escript::AbstractTransportProblem::insertConstraint,
620    args("source", "q", "r","factor"),
621    "inserts constraint *u_{,t}=r* where *q>0*  into the problem using a weighting factor")
622         .def("reset",&escript::AbstractTransportProblem::resetTransport,
623    "resets the transport operator typically as they have been updated.")
624         .def("resetValues",&escript::AbstractTransportProblem::resetTransport)
625         .def("getSafeTimeStepSize",&escript::AbstractTransportProblem::getSafeTimeStepSize)
626         .def("getUnlimitedTimeStepSize",&escript::AbstractTransportProblem::getUnlimitedTimeStepSize);
627    
628      // Functions to modify global parameters
629      def("setEscriptParamInt",escript::setEscriptParamInt,
630          (arg("name"), arg("value")=0), "Modify the value of an escript tuning parameter\n\n"
631    ":param name:\n:type name: ``string``\n:param value:\n:type value: ``int``");
632      def("getEscriptParamInt",escript::getEscriptParamInt,
633          (arg("name"),arg("sentinel")=0), "Read the value of an escript tuning paramter\n\n"
634    ":param name: parameter to lookup\n:type name: ``string``\n:param sentinel: Value to be returned if ``name`` is not a known parameter\n"
635    ":type sentinel: ``int``");
636      def("listEscriptParams",escript::listEscriptParams,":return: A list of pairs (p,d) where p is the name of a parameter for escript and d is a description.");
637    
638    
639      def("resolveGroup", escript::resolveGroup);
640    
641    #ifdef IKNOWWHATIMDOING
642    
643      def("applyBinaryCFunction", escript::applyBinaryCFunction, (arg("function"), arg("outshape"),
644    arg("in1"),
645    arg("in2"))
646    );
647    #endif
648    
649      def("_condEval", escript::condEval, (arg("mask"), arg("trueval"), arg("falseval")));
650    
651    //    //
652    // Register esysExceptionTranslator    // Register esysExceptionTranslator
653    //    //
654    register_exception_translator<esysUtils::EsysException>(&esysUtils::esysExceptionTranslator);    register_exception_translator<esysUtils::EsysException>(&esysUtils::esysExceptionTranslator);
   
655  }  }

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