boolean sparse example - Boolean sparse use case. (original) (raw)

Scilab 5.3.3

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

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)