MATLAB COMPILER 4 Manuale Utente Scaricare il pdf (Pagina 18)

#in c lu d e " wrapper . h"

#in c lu d e " libcppdemo . h"

// co n structor

Temp late _ Comp onen t :: T empl ate_ Comp o nen t ()

{

// i n itialize MATLAB envi r onment

libc ppde moIn itia liz e ();

}

// d estructor

Temp late _ Comp onen t ::~ Tem plat e_Co m pone nt ()

{

// termin a t e the MatLab e n vironme n t

libc ppde moTe rmin ate ();

}

// example for simple member function

void Temp l ate_ Comp onen t :: s u bscri be_de m o ( double * Matrix , ... , double * Result )

{

// define variables

i n t i , j;

double * Matrix_M = new double [ Dim1 * Dim2 ];

double * Result_M = new double [ Dim1 * Dim2 ];

mxA rray * pmxInput , * pmxNumber , * pmxResult , * pmxRe s ult2 ;

// convert the input - matrix from C - style to MATLAB - style

f o r (i =0; < Dim1 ; i ++) {

f o r (j =0; j< Dim2 ; j++) {

Matrix_M [j * Dim1 +i ] = Matrix [i * Dim2 +j ];

}

// call compiled MATALB function

mlfAssign (& pmxInput , ml fDoub leMat rix ( Dim1 , Dim2 , Matrix_M , NULL ));

mlfAssign (& pmxResult , ml fDou b leMa t rix ( Dim1 , Dim2 , Result , NULL ));

mlfAssign (& pmxResult , mlfDemo ( pmxInput , pmxNumber ));

// read data from MATLAB interface arrays back to C variables

double * pResult = m xGetPr ( pmxRe s u lt );

double * pError = mxGetPr ( pmxE r rorcod e );

f o r (i =0; < Dim1 ; i ++) {

f o r (j =0; j< Dim2 ; j++) {

Result_M [i * Dim2 +j ] = p R esult [ j* Dim1 + i ];

}

memcpy ( Result , Result_M , Dim1 * Dim2 * s i z e o f ( double ));

// free memory : MATLAB - arrays , t emporary MATLAB - style matrices

d e l e t e [] Matrix_M ;

mxDes t royAr ray ( pmxInput );

...

}

Listing 6: wrapper.cpp

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MATLAB COMPILER 4 Manuale Utente Pagina 18

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