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Writing Matlab Mex-files using IT++

Conversions between IT++ and Matlab for writing mex-files. More...

Functions

bin mxArray2bin (const mxArray *in)
 Convert the matlab-format mxArray to bin.
short mxArray2short (const mxArray *in)
 Convert the matlab-format mxArray to short.
int mxArray2int (const mxArray *in)
 Convert the matlab-format mxArray to int.
double mxArray2double (const mxArray *in)
 Convert the matlab-format mxArray to double.
double_complex mxArray2double_complex (const mxArray *in)
 Convert the matlab-format mxArray to double_complex.
bvec mxArray2bvec (const mxArray *in)
 Convert the matlab-format mxArray to bvec.
svec mxArray2svec (const mxArray *in)
 Convert the matlab-format mxArray to svec.
ivec mxArray2ivec (const mxArray *in)
 Convert the matlab-format mxArray to ivec.
vec mxArray2vec (const mxArray *in)
 Convert the matlab-format mxArray to vec.
cvec mxArray2cvec (const mxArray *in)
 Convert the matlab-format mxArray to cvec.
bmat mxArray2bmat (const mxArray *in)
 Convert the matlab-format mxArray to bmat.
smat mxArray2smat (const mxArray *in)
 Convert the matlab-format mxArray to smat.
imat mxArray2imat (const mxArray *in)
 Convert the matlab-format mxArray to imat.
mat mxArray2mat (const mxArray *in)
 Convert the matlab-format mxArray to mat.
cmat mxArray2cmat (const mxArray *in)
 Convert the matlab-format mxArray to cmat.
void bin2mxArray (const bin &in, mxArray *out)
 Convert bin to the matlab-format mxArray.
void short2mxArray (const short &in, mxArray *out)
 Convert short to the matlab-format mxArray.
void int2mxArray (const int &in, mxArray *out)
 Convert int to the matlab-format mxArray.
void double2mxArray (const double &in, mxArray *out)
 Convert double to the matlab-format mxArray.
void double_complex2mxArray (const double_complex &in, mxArray *out)
 Convert double_complex to the matlab-format mxArray.
void bvec2mxArray (const bvec &in, mxArray *out)
 Convert bvec to the matlab-format mxArray.
void svec2mxArray (const svec &in, mxArray *out)
 Convert svec to the matlab-format mxArray.
void ivec2mxArray (const ivec &in, mxArray *out)
 Convert ivec to the matlab-format mxArray.
void vec2mxArray (const vec &in, mxArray *out)
 Convert vec to the matlab-format mxArray.
void cvec2mxArray (const cvec &in, mxArray *out)
 Convert cvec to the matlab-format mxArray.
void bmat2mxArray (const bmat &in, mxArray *out)
 Convert bmat to the matlab-format mxArray.
void smat2mxArray (const smat &in, mxArray *out)
 Convert smat to the matlab-format mxArray.
void imat2mxArray (const imat &in, mxArray *out)
 Convert imat to the matlab-format mxArray.
void mat2mxArray (const mat &in, mxArray *out)
 Convert mat to the matlab-format mxArray.
void cmat2mxArray (const cmat &in, mxArray *out)
 Convert cmat to the matlab-format mxArray.
void mxArray2Csvec (const mxArray *in, short *out)
 Convert the matlab-format mxArray to C-format pointer to short.
void mxArray2Civec (const mxArray *in, int *out)
 Convert the matlab-format mxArray to C-format pointer to int.
void mxArray2Cvec (const mxArray *in, double *out)
 Convert the matlab-format mxArray to C-format pointer to double.
void mxArray2Ccvec (const mxArray *in, double *out_real, double *out_imag)
 Convert the matlab-format mxArray to C-format pointers to double (real and imaginary parts).
void mxArray2Csmat (const mxArray *in, short **out)
 Convert the matlab-format mxArray to C-format pointer to pointer to short.
void mxArray2Cimat (const mxArray *in, int **out)
 Convert the matlab-format mxArray to C-format pointer to pointer to int.
void mxArray2Cmat (const mxArray *in, double **out)
 Convert the matlab-format mxArray to C-format pointer to pointer to double.
void mxArray2Ccmat (const mxArray *in, double **out_real, double **out_imag)
 Convert the matlab-format mxArray to C-format pointer to pointer to double (real and imaginary parts).
void Csvec2mxArray (short *in, mxArray *out)
 Convert C-format pointer to short to matlab-format mxArray.
void Civec2mxArray (int *in, mxArray *out)
 Convert C-format pointer to int to matlab-format mxArray.
void Cvec2mxArray (double *in, mxArray *out)
 Convert C-format pointer to double to matlab-format mxArray.
void Ccvec2mxArray (double *in_real, double *in_imag, mxArray *out)
 Convert C-format pointers to double (real and imaginary parts) to matlab-format mxArray.
void Csmat2mxArray (short **in, mxArray *out)
 Convert C-format pointer to pointer to short to matlab-format mxArray.
void Cimat2mxArray (int **in, mxArray *out)
 Convert C-format pointer to pointer to int to matlab-format mxArray.
void Cmat2mxArray (double **in, mxArray *out)
 Convert C-format pointer to pointer to double to matlab-format mxArray.
void Ccmat2mxArray (double **in_real, double **in_imag, mxArray *out)
 Convert C-format pointer to pointer to double (real and imaginary parts) to matlab-format mxArray.

Detailed Description

Conversions between IT++ and Matlab for writing mex-files.

Author:
Tony Ottosson and Pål Frenger
These routines are used to help writng mex-files for speeding up matlab simulations.

A simple mex-file that performs QPSK modulation is given below.

  #include <itcomm.h>
  #include <itmex.h>

  void mexFunction(int n_output, mxArray *output[], int n_input, const mxArray *input[])
  {
    // Check the number of inputs and output arguments
    if(n_output!=1) mexErrMsgTxt("Wrong number of output variables!");
    if(n_input!=1) mexErrMsgTxt("Wrong number of input variables!");

    // Convert input variables to IT++ format
    bvec input_bits = mxArray2bvec(input[0]);
    
    // ------------------ Start of routine ---------------------------
    cvec output_symbols;
    QPSK_45 qpsk;

    output_symbols = qpsk.modulate_bits(input_bits);
    // ------------------ End of routine -----------------------------

    // Create output vectors
    output[0] = mxCreateDoubleMatrix(1,output_symbols.size(), mxCOMPLEX);

    // Convert the IT++ format to Matlab format for output
    cvec2mxArray(output_symbols, output[0]);
  }

Function Documentation

void bin2mxArray (  const bin &  in,
mxArray *  out
) 
 

Convert bin to the matlab-format mxArray.

void bmat2mxArray (  const bmat &  in,
mxArray *  out
) 
 

Convert bmat to the matlab-format mxArray.

void bvec2mxArray (  const bvec &  in,
mxArray *  out
) 
 

Convert bvec to the matlab-format mxArray.

void Ccmat2mxArray (  double **  in_real,
double **  in_imag,
mxArray *  out
) 
 

Convert C-format pointer to pointer to double (real and imaginary parts) to matlab-format mxArray.

void Ccvec2mxArray (  double *  in_real,
double *  in_imag,
mxArray *  out
) 
 

Convert C-format pointers to double (real and imaginary parts) to matlab-format mxArray.

void Cimat2mxArray (  int **  in,
mxArray *  out
) 
 

Convert C-format pointer to pointer to int to matlab-format mxArray.

void Civec2mxArray (  int *  in,
mxArray *  out
) 
 

Convert C-format pointer to int to matlab-format mxArray.

void Cmat2mxArray (  double **  in,
mxArray *  out
) 
 

Convert C-format pointer to pointer to double to matlab-format mxArray.

void cmat2mxArray (  const cmat &  in,
mxArray *  out
) 
 

Convert cmat to the matlab-format mxArray.

void Csmat2mxArray (  short **  in,
mxArray *  out
) 
 

Convert C-format pointer to pointer to short to matlab-format mxArray.

void Csvec2mxArray (  short *  in,
mxArray *  out
) 
 

Convert C-format pointer to short to matlab-format mxArray.

void Cvec2mxArray (  double *  in,
mxArray *  out
) 
 

Convert C-format pointer to double to matlab-format mxArray.

void cvec2mxArray (  const cvec &  in,
mxArray *  out
) 
 

Convert cvec to the matlab-format mxArray.

void double2mxArray (  const double &  in,
mxArray *  out
) 
 

Convert double to the matlab-format mxArray.

void double_complex2mxArray (  const double_complex &  in,
mxArray *  out
) 
 

Convert double_complex to the matlab-format mxArray.

void imat2mxArray (  const imat &  in,
mxArray *  out
) 
 

Convert imat to the matlab-format mxArray.

void int2mxArray (  const int &  in,
mxArray *  out
) 
 

Convert int to the matlab-format mxArray.

void ivec2mxArray (  const ivec &  in,
mxArray *  out
) 
 

Convert ivec to the matlab-format mxArray.

void mat2mxArray (  const mat &  in,
mxArray *  out
) 
 

Convert mat to the matlab-format mxArray.

bin mxArray2bin (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to bin.

bmat mxArray2bmat (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to bmat.

bvec mxArray2bvec (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to bvec.

void mxArray2Ccmat (  const mxArray *  in,
double **  out_real,
double **  out_imag
) 
 

Convert the matlab-format mxArray to C-format pointer to pointer to double (real and imaginary parts).

void mxArray2Ccvec (  const mxArray *  in,
double *  out_real,
double *  out_imag
) 
 

Convert the matlab-format mxArray to C-format pointers to double (real and imaginary parts).

void mxArray2Cimat (  const mxArray *  in,
int **  out
) 
 

Convert the matlab-format mxArray to C-format pointer to pointer to int.

void mxArray2Civec (  const mxArray *  in,
int *  out
) 
 

Convert the matlab-format mxArray to C-format pointer to int.

void mxArray2Cmat (  const mxArray *  in,
double **  out
) 
 

Convert the matlab-format mxArray to C-format pointer to pointer to double.

cmat mxArray2cmat (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to cmat.

void mxArray2Csmat (  const mxArray *  in,
short **  out
) 
 

Convert the matlab-format mxArray to C-format pointer to pointer to short.

void mxArray2Csvec (  const mxArray *  in,
short *  out
) 
 

Convert the matlab-format mxArray to C-format pointer to short.

void mxArray2Cvec (  const mxArray *  in,
double *  out
) 
 

Convert the matlab-format mxArray to C-format pointer to double.

cvec mxArray2cvec (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to cvec.

double mxArray2double (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to double.

double_complex mxArray2double_complex (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to double_complex.

imat mxArray2imat (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to imat.

int mxArray2int (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to int.

ivec mxArray2ivec (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to ivec.

mat mxArray2mat (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to mat.

short mxArray2short (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to short.

smat mxArray2smat (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to smat.

svec mxArray2svec (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to svec.

vec mxArray2vec (  const mxArray *  in  ) 
 

Convert the matlab-format mxArray to vec.

void short2mxArray (  const short &  in,
mxArray *  out
) 
 

Convert short to the matlab-format mxArray.

void smat2mxArray (  const smat &  in,
mxArray *  out
) 
 

Convert smat to the matlab-format mxArray.

void svec2mxArray (  const svec &  in,
mxArray *  out
) 
 

Convert svec to the matlab-format mxArray.

void vec2mxArray (  const vec &  in,
mxArray *  out
) 
 

Convert vec to the matlab-format mxArray.

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