integer example

Integer use case.

Description

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

Gateway Source

#include "api_scilab.h"

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

    CheckInputArgument(pvApiCtx, 1, 1);
    CheckOutputArgument(pvApiCtx, 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 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, nbInputArgument + 1, iRows, iCols, puiData);
                            if(sciErr.iErr)
                            {
                                    printError(&sciErr, 0);
                                    return sciErr.iErr;
                            }
                    }
                    break;

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

    AssignOutputVariable(1) = nbInputArgument + 1;
    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