GridInitialData Class Reference

Reads the initial data from the given file. More...

#include <gridInitialData.h>

Inheritance diagram for GridInitialData:

Collaboration diagram for GridInitialData:

Public Member Functions
	GridInitialData (Parameters &params, UniformGrid &ug)
	The list of grid functions.
GridInitialData &	addGFs (const std::vector< Int > &gfs)
	The given grid functions will be read as the initial data.
bool	load ()
	Loads the initial data.
Private Attributes
bool	binaryFormat
	Read binary data from the input file.
std::string	fileName
	Input filename.
std::vector< Int >	input

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Detailed Description

Reads the initial data from the given file.

Definition at line 14 of file gridInitialData.h.

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Constructor & Destructor Documentation

GridInitialData::GridInitialData	(	Parameters &	params,
		UniformGrid &	ug
	)		[inline]

The list of grid functions.

Constructs the initial data reader as specified in the parameter file.

Definition at line 24 of file gridInitialData.h.

        : GridUser(ug), binaryFormat(false)
    {
        input.reserve( 256 );
        input.push_back( fld::r );

        params.get( "input.file",   fileName, "stdin" );
        params.get( "input.binary", binaryFormat, true );

        slog << "Initial Data:" << std::endl << std::endl
             << "    file = " << fileName << ",  binary = " << binaryFormat
             << std::endl << std::endl;
    }

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Member Function Documentation

GridInitialData& GridInitialData::addGFs

(

const std::vector< Int > &

gfs

)

[inline]

The given grid functions will be read as the initial data.

Definition at line 40 of file gridInitialData.h.

    {
        input.insert( input.end(), gfs.begin(), gfs.end() );
        return *this;
    }

bool GridInitialData::load

(

)

[inline]

Loads the initial data.

Definition at line 48 of file gridInitialData.h.

    {
        FILE* inf = fileName == "stdin" ? stdin
                  : fopen( fileName.c_str(), binaryFormat ? "rb" : "r" );
        if( ! inf ) {
            std::cerr << "Error: Could not open " << fileName << std::endl;
            return false;
        }

        if ( mpiSize () > 1 ) {
            Int offset = gridDriver->get_nOffset() * input.size() * sizeof(Real);
            fseek( inf, offset, SEEK_SET );
        }

        for( Int n = nGhost; n < nGhost + nLen; ++n )
        {
            // GF( fld::mpiRank, 0, n  ) = mpiRank ();
            if( ! GridPoint( *gridDriver, 0, n ).read( inf, binaryFormat, input ) ) {
                return false;
            }
        }

        if ( inf != stdin ) {
            fclose( inf );
        }

        return true;
    }

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Field Documentation

bool GridInitialData::binaryFormat [private]

Read binary data from the input file.

Definition at line 16 of file gridInitialData.h.

std::string GridInitialData::fileName [private]

Input filename.

Definition at line 17 of file gridInitialData.h.

std::vector<Int> GridInitialData::input [private]

Definition at line 18 of file gridInitialData.h.

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The documentation for this class was generated from the following file:

• grid/gridInitialData.h