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Manual Scilab >> API Scilab > integer > integer example

integer example

Integer use case.

Description

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

Gateway Source

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

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

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

    if(isIntegerType(pvApiCtx, piAddr))
    {
        sciErr = getMatrixOfIntegerPrecision(pvApiCtx, piAddr, &iPrec);
        if(sciErr.iErr)
        {
            printError(&sciErr, 0);
            return sciErr.iErr;
        }

        switch(iPrec)
        {
        case SCI_INT8 :
            if(isScalar(pvApiCtx, piAddr))
            {
                char cData  = 0;
                iRet = getScalarInteger8(pvApiCtx, piAddr, &cData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarInteger8(pvApiCtx, Rhs + 1, cData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows       = 0;
                int iCols       = 0;
                char* pcData    = NULL;

                sciErr = getMatrixOfInteger8(pvApiCtx, piAddr, &iRows, &iCols, &pcData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfInteger8(pvApiCtx, Rhs + 1, iRows, iCols, pcData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;
        case SCI_INT16 :
            if(isScalar(pvApiCtx, piAddr))
            {
                short sData = 0;
                iRet = getScalarInteger16(pvApiCtx, piAddr, &sData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarInteger16(pvApiCtx, Rhs + 1, sData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows       = 0;
                int iCols       = 0;
                short* psData   = NULL;

                sciErr = getMatrixOfInteger16(pvApiCtx, piAddr, &iRows, &iCols, &psData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfInteger16(pvApiCtx, Rhs + 1, iRows, iCols, psData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;
        case SCI_INT32 :
            if(isScalar(pvApiCtx, piAddr))
            {
                int iData = 0;
                iRet = getScalarInteger32(pvApiCtx, piAddr, &iData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarInteger32(pvApiCtx, Rhs + 1, iData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows       = 0;
                int iCols       = 0;
                int* piData     = NULL;

                sciErr = getMatrixOfInteger32(pvApiCtx, piAddr, &iRows, &iCols, &piData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfInteger32(pvApiCtx, Rhs + 1, iRows, iCols, piData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;
#ifdef __SCILAB_INT64__
        case SCI_INT64 :
#endif
        case SCI_UINT8 :
            if(isScalar(pvApiCtx, piAddr))
            {
                unsigned char ucData = 0;
                iRet = getScalarUnsignedInteger8(pvApiCtx, piAddr, &ucData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarUnsignedInteger8(pvApiCtx, Rhs + 1, ucData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows               = 0;
                int iCols               = 0;
                unsigned char* pucData  = NULL;

                sciErr = getMatrixOfUnsignedInteger8(pvApiCtx, piAddr, &iRows, &iCols, &pucData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfUnsignedInteger8(pvApiCtx, Rhs + 1, iRows, iCols, pucData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;

        case SCI_UINT16 :
            if(isScalar(pvApiCtx, piAddr))
            {
                unsigned short usData = 0;
                iRet = getScalarUnsignedInteger16(pvApiCtx, piAddr, &usData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarUnsignedInteger16(pvApiCtx, Rhs + 1, usData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows               = 0;
                int iCols               = 0;
                unsigned short* pusData = NULL;

                sciErr = getMatrixOfUnsignedInteger16(pvApiCtx, piAddr, &iRows, &iCols, &pusData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfUnsignedInteger16(pvApiCtx, Rhs + 1, iRows, iCols, pusData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;
        case SCI_UINT32 :
            if(isScalar(pvApiCtx, piAddr))
            {
                unsigned int uiData = 0;
                iRet = getScalarUnsignedInteger32(pvApiCtx, piAddr, &uiData);
                if(iRet)
                {
                    return iRet;
                }

                iRet = createScalarUnsignedInteger32(pvApiCtx, Rhs + 1, uiData);
                if(iRet)
                {
                    return iRet;
                }
            }
            else
            {
                int iRows               = 0;
                int iCols               = 0;
                unsigned int* puiData   = NULL;

                sciErr = getMatrixOfUnsignedInteger32(pvApiCtx, piAddr, &iRows, &iCols, &puiData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }

                sciErr = createMatrixOfUnsignedInteger32(pvApiCtx, Rhs + 1, iRows, iCols, puiData);
                if(sciErr.iErr)
                {
                    printError(&sciErr, 0);
                    return sciErr.iErr;
                }
            }
            break;

#ifdef __SCILAB_INT64__
        case SCI_UINT64 :
#endif
        default :
            break;
        }
    }
    return 0;}

Scilab test script

i8_1 = int8(1);
i8_2 = int8([1,2,3;4,5,6]);
ui8_1 = uint8(1);
ui8_2 = uint8([1,2,3;4,5,6]);

i16_1 = int16(1);
i16_2 = int16([1,2,3;4,5,6]);
ui16_1 = uint16(1);
ui16_2 = uint16([1,2,3;4,5,6]);

i32_1 = int32(1);
i32_2 = int32([1,2,3;4,5,6]);
ui32_1 = uint32(1);
ui32_2 = uint32([1,2,3;4,5,6]);

if integerExample(i8_1) <> i8_1 then pause;end
if integerExample(i8_2) <> i8_2 then pause;end
if integerExample(ui8_1) <> ui8_1 then pause;end
if integerExample(ui8_2) <> ui8_2 then pause;end

if integerExample(i16_1) <> i16_1 then pause;end
if integerExample(i16_2) <> i16_2 then pause;end
if integerExample(ui16_1) <> ui16_1 then pause;end
if integerExample(ui16_2) <> ui16_2 then pause;end

if integerExample(i8_1) <> i16_1 then pause;end
if integerExample(i8_2) <> i16_2 then pause;end
if integerExample(ui8_1) <> ui16_1 then pause;end
if integerExample(ui8_2) <> ui16_2 then pause;end
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Last updated:
Wed Jan 26 16:24:43 CET 2011