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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2009-2010 - DIGITEO - Scilab Consortium Operational Team
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
#include "stack-c.h"
#include "Scierror.h"
#include "localization.h"
#include "sciprint.h"
#include "api_scilab.h"
#include "MALLOC.h"
int read_double(char *fname,unsigned long fname_len)
{
int i;
//first variable info : real matrix of double
int iType = 0;
int iRows = 0;
int iCols = 0;
int iComplex = 0;
int *piAddr = NULL;
double* pdblReal = NULL;
double* pdblImg = NULL;
SciErr sciErr;
//check input and output arguments
CheckRhs(1,1);
CheckLhs(1,1);
/************************
* First variable *
************************/
//get variable address of the first input argument
sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//check type
sciErr = getVarType(pvApiCtx, piAddr, &iType);
if(sciErr.iErr || iType != sci_matrix)
{
printError(&sciErr, 0);
return 0;
}
//get complexity
iComplex = isVarComplex(pvApiCtx, piAddr);
//check complexity
if(iComplex)
{
//get size and data from Scilab memory
sciErr = getComplexMatrixOfDouble(pvApiCtx, piAddr, &iRows, &iCols, &pdblReal, &pdblImg);
}
else
{
//get size and data from Scilab memory
sciErr = getMatrixOfDouble(pvApiCtx, piAddr, &iRows, &iCols, &pdblReal);
}
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Do something with data
//if variable is complex, switch real part and imaginary part otherwise multiply by -1
if(iComplex)
{
sciErr = createComplexMatrixOfDouble(pvApiCtx, Rhs + 1, iRows, iCols, pdblImg, pdblReal);
}
else
{
for(i = 0 ; i < iRows * iCols ; i++)
{
pdblReal[i] = pdblReal[i] * -1;
}
sciErr = createMatrixOfDouble(pvApiCtx, Rhs + 1, iRows, iCols, pdblReal);
}
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
LhsVar(1) = Rhs + 1;
return 0;
}
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