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Справка Scilab >> API Scilab > legacy > integer > integer example

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

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

    AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 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
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Last updated:
Tue Feb 14 15:13:37 CET 2017