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See the recommended documentation of this function

Scilab manual >> API Scilab > Boolean Sparse > boolean sparse example

boolean sparse example

Boolean sparse use case.

Description

This example shows how to get a boolean sparse variable and return it to Scilab.

Gateway Source

int booleanSparseExample(char *fname,unsigned long fname_len)
{
    SciErr sciErr;
    int* piAddr        = NULL;
    int iType        = 0;
    int iRet        = 0;

    CheckRhs(1,1);
    CheckLhs(0,1);

    sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
    if(sciErr.iErr)
    {
            printError(&sciErr, 0);
            return 0;
    }

    if(isBooleanSparseType(pvApiCtx, piAddr))
    {
        int iRows            = 0;
        int iCols            = 0;
        int iNbItem            = 0;
        int* piNbItemRow    = NULL;
        int* piColPos        = NULL;

        iRet = getAllocatedBooleanSparseMatrix(pvApiCtx, piAddr, &iRows, &iCols, &iNbItem, &piNbItemRow, &piColPos);
        if(iRet)
        {
            freeAllocatedBooleanSparse(piNbItemRow, piColPos);
            return iRet;
        }

        sciErr = createBooleanSparseMatrix(pvApiCtx, Rhs + 1, iRows, iCols, iNbItem, piNbItemRow, piColPos);
        if(sciErr.iErr)
        {
            freeAllocatedBooleanSparse(piNbItemRow, piColPos);
            printError(&sciErr, 0);
            return sciErr.iErr;
        }

        freeAllocatedBooleanSparse(piNbItemRow, piColPos);
        LhsVar(1) = Rhs + 1;
    }
    return 0;
}

Scilab test script

bsp = sparse([1,1;2,2;3,3],[%t,%t,%t]);
or(booleanSparseExample(bsp) == bsp)
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Last updated:
Wed Jan 26 16:23:48 CET 2011