No, but it should be easy to extend if one assumes the same partition when reading as at the time of writing. Then it will just be a matter of appropriate naming of the files (append process number).
-- Anders On Wed, Apr 28, 2010 at 10:21:00AM +0100, Garth N. Wells wrote: > Does this work in parallel? > > Garth > > -------- Original Message -------- > Subject: [Branch ~dolfin-core/dolfin/main] Rev 4698: Work on > extending BinaryFile to handle meshes. Input/output of arrays > implemented > Date: Tue, 27 Apr 2010 21:44:21 -0000 > From: [email protected] > Reply-To: [email protected] > To: Garth Wells <[email protected]> > > ------------------------------------------------------------ > revno: 4698 > committer: Anders Logg <[email protected]> > branch nick: dolfin-dev > timestamp: Tue 2010-04-27 23:07:58 +0200 > message: > Work on extending BinaryFile to handle meshes. Input/output of > arrays implemented > in common functions (not yet used). > modified: > demo/adaptivity/time-series/cpp/main.cpp > dolfin/io/BinaryFile.cpp > dolfin/io/BinaryFile.h > > > === modified file 'demo/adaptivity/time-series/cpp/main.cpp' > --- demo/adaptivity/time-series/cpp/main.cpp 2010-04-03 04:57:11 +0000 > +++ demo/adaptivity/time-series/cpp/main.cpp 2010-04-27 21:07:58 +0000 > @@ -2,7 +2,7 @@ > // Licensed under the GNU LGPL Version 2.1. > // > // First added: 2009-11-11 > -// Last changed: 2009-11-11 > +// Last changed: 2010-04-27 > // > // This program demonstrates the use of the TimeSeries > // class for storing a series of meshes and vectors. > @@ -19,7 +19,6 @@ > // Create a mesh and a vector > UnitSquare unitsquare_mesh(2, 2); > Mesh mesh(unitsquare_mesh); > - > Vector x; > > // Add a bunch of meshes and vectors to the series > @@ -34,6 +33,12 @@ > series.store(new_mesh, t); > series.store(x, t); > > + //for (dolfin::uint i = 0; i < x.size(); i++) > + // x.setitem(i, (t + 1.0)*static_cast<double>(i)); > + for (dolfin::uint i = 0; i < x.size(); i++) > + x.setitem(i, 3.0); > + info(x, true); > + > mesh = new_mesh; > t += 0.2; > } > @@ -42,6 +47,8 @@ > series.retrieve(mesh, 0.3); > series.retrieve(x, 0.3); > > + info(x, true); > + > // Plot mesh > plot(mesh); > > > === modified file 'dolfin/io/BinaryFile.cpp' > --- dolfin/io/BinaryFile.cpp 2010-03-09 23:40:57 +0000 > +++ dolfin/io/BinaryFile.cpp 2010-04-27 21:07:58 +0000 > @@ -2,7 +2,7 @@ > // Licensed under the GNU LGPL Version 2.1. > // > // First added: 2009-11-11 > -// Last changed: 2010-02-10 > +// Last changed: 2010-04-27 > > #include <dolfin/log/log.h> > #include <istream> > @@ -115,3 +115,44 @@ > warning("Writing mesh in binary format not implemented."); > } > > //----------------------------------------------------------------------------- > +dolfin::uint BinaryFile::read_uint(std::ifstream& file) const > +{ > + uint value = 0; > + file.read((char*) &value, sizeof(uint)); > + return value; > +} > +//----------------------------------------------------------------------------- > +void BinaryFile::read_array(uint n, uint* values, > + std::ifstream& file) const > +{ > + for (uint i = 0; i < n; ++i) > + file.read((char*) (values + i), sizeof(uint)); > +} > +//----------------------------------------------------------------------------- > +void BinaryFile::read_array(uint n, double* values, > + std::ifstream& file) const > +{ > + for (uint i = 0; i < n; ++i) > + file.read((char*) (values + i), sizeof(double)); > +} > +//----------------------------------------------------------------------------- > +void BinaryFile::write_uint(uint value, > + std::ofstream& file) const > +{ > + file.write((char*) &value, sizeof(uint)); > +} > +//----------------------------------------------------------------------------- > +void BinaryFile::write_array(uint n, const uint* values, > + std::ofstream& file) const > +{ > + for (uint i = 0; i < n; ++i) > + file.write((char*) &values[i], sizeof(uint)); > +} > +//----------------------------------------------------------------------------- > +void BinaryFile::write_array(uint n, const double* values, > + std::ofstream& file) const > +{ > + for (uint i = 0; i < n; ++i) > + file.write((char*) &values[i], sizeof(double)); > +} > +//----------------------------------------------------------------------------- > > === modified file 'dolfin/io/BinaryFile.h' > --- dolfin/io/BinaryFile.h 2010-02-10 18:13:32 +0000 > +++ dolfin/io/BinaryFile.h 2010-04-27 21:07:58 +0000 > @@ -2,7 +2,7 @@ > // Licensed under the GNU LGPL Version 2.1. > // > // First added: 2009-11-11 > -// Last changed: 2010-02-10 > +// Last changed: 2010-04-27 > > #ifndef __BINARY_FILE_H > #define __BINARY_FILE_H > @@ -56,6 +56,26 @@ > /// Write mesh > void operator<< (const Mesh& mesh); > > + private: > + > + // Read uint > + uint read_uint(std::ifstream& file) const; > + > + // Read array (uint) > + void read_array(uint n, uint* values, std::ifstream& file) const; > + > + // Read array (double) > + void read_array(uint n, double* values, std::ifstream& file) const; > + > + // Write uint > + void write_uint(uint value, std::ofstream& file) const; > + > + // Write array (uint) > + void write_array(uint n, const uint* values, std::ofstream& file) const; > + > + // Write array (double) > + void write_array(uint n, const double* values, std::ofstream& file) > const; > + > }; > > } > > > _______________________________________________ > Mailing list: https://launchpad.net/~dolfin > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dolfin > More help : https://help.launchpad.net/ListHelp
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