C++ (Cpp) getSparseDimension Examples

Example #1

File: sci_hdf5_listvar_v2.cpp Project: scitao/scilab

static bool read_sparse(int _iDatasetId, int _iItemPos, int *_piAddress, VarInfo* _pInfo)
{
    int iRet = 0;
    int iRows = 0;
    int iCols = 0;
    int iNbItem = 0;
    int iComplex = 0;

    iRet = getSparseDimension(_iDatasetId, &iRows, &iCols, &iNbItem);
    if (iRet)
    {
        return false;
    }

    iComplex = isComplexData(_iDatasetId);

    _pInfo->iDims = 2;
    _pInfo->piDims[0] = iRows;
    _pInfo->piDims[1] = iCols;
    _pInfo->iSize = 20 + iRows * 4 + iNbItem * 4 + (iNbItem * (iComplex + 1) * 8);

    generateInfo(_pInfo, "sparse");
    closeDataSet(_iDatasetId);
    return true;
}

Example #2

File: sci_import_from_hdf5.cpp Project: LenRemmerswaal/scilab

static bool import_boolean_sparse(int _iDatasetId, int _iItemPos, int *_piAddress, char *_pstVarname)
{
    int iRet = 0;
    int iRows = 0;
    int iCols = 0;
    int iNbItem = 0;
    int *piNbItemRow = NULL;
    int *piColPos = NULL;
    SciErr sciErr;

    iRet = getSparseDimension(_iDatasetId, &iRows, &iCols, &iNbItem);
    if (iRet)
    {
        return false;
    }

    piNbItemRow = (int *)MALLOC(iRows * sizeof(int));
    piColPos = (int *)MALLOC(iNbItem * sizeof(int));

    iRet = readBooleanSparseMatrix(_iDatasetId, iRows, iCols, iNbItem, piNbItemRow, piColPos);
    if (iRet)
    {
        return false;
    }

    if (_piAddress == NULL)
    {
        sciErr = createNamedBooleanSparseMatrix(pvApiCtx, _pstVarname, iRows, iCols, iNbItem, piNbItemRow, piColPos);
    }
    else                        //if not null this variable is in a list
    {
        sciErr = createBooleanSparseMatrixInNamedList(pvApiCtx, _pstVarname, _piAddress, _iItemPos, iRows, iCols, iNbItem, piNbItemRow, piColPos);
    }

    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return false;
    }

    FREE(piNbItemRow);
    if(piColPos)
    {
        FREE(piColPos);
    }

    if (iRet)
    {
        return false;
    }

    return true;
}

Example #3

File: sci_hdf5_load_v2.cpp Project: leowzukw/scilab-mirror

static bool import_sparse(int* pvCtx, int _iDatasetId, int _iItemPos, int *_piAddress, char *_pstVarname)
{
    int iRet = 0;
    int iRows = 0;
    int iCols = 0;
    int iComplex = 0;
    double *pdblReal = NULL;
    double *pdblImg = NULL;
    int iNbItem = 0;
    int *piNbItemRow = NULL;
    int *piColPos = NULL;
    SciErr sciErr;

    iRet = getSparseDimension(_iDatasetId, &iRows, &iCols, &iNbItem);
    if (iRet)
    {
        return false;
    }

    iComplex = isComplexData(_iDatasetId);

    if (iComplex)
    {
        piNbItemRow = (int *)MALLOC(iRows * sizeof(int));
        piColPos = (int *)MALLOC(iNbItem * sizeof(int));
        pdblReal = (double *)MALLOC(iNbItem * sizeof(double));
        pdblImg = (double *)MALLOC(iNbItem * sizeof(double));
        iRet = readSparseComplexMatrix(_iDatasetId, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal, pdblImg);
    }
    else
    {
        piNbItemRow = (int *)MALLOC(iRows * sizeof(int));
        piColPos = (int *)MALLOC(iNbItem * sizeof(int));
        pdblReal = (double *)MALLOC(iNbItem * sizeof(double));
        iRet = readSparseMatrix(_iDatasetId, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal);
    }

    if (iRet)
    {
        FREE(piNbItemRow);
        FREE(piColPos);
        FREE(pdblReal);
        if (iComplex)
        {
            FREE(pdblImg);
        }

        return false;
    }

    if (_piAddress == NULL)
    {
        if (iComplex)
        {
            sciErr = createNamedComplexSparseMatrix(pvCtx, _pstVarname, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal, pdblImg);
        }
        else
        {
            sciErr = createNamedSparseMatrix(pvCtx, _pstVarname, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal);
        }
    }
    else //if not null this variable is in a list
    {
        if (iComplex)
        {
            sciErr = createComplexSparseMatrixInNamedList(pvCtx, _pstVarname, _piAddress, _iItemPos, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal, pdblImg);
        }
        else
        {
            sciErr = createSparseMatrixInNamedList(pvCtx, _pstVarname, _piAddress, _iItemPos, iRows, iCols, iNbItem, piNbItemRow, piColPos, pdblReal);
        }
    }

    FREE(piNbItemRow);
    FREE(piColPos);
    FREE(pdblReal);
    if (iComplex)
    {
        FREE(pdblImg);
    }

    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return false;
    }

    return true;
}