src/adapters/selectiontotale_interface.c

   1 #include "ioutils.h"
   2 #include "selectiontotale.h"
   3 #include "EMGLLF.h"
   4 #include <mex.h>
   5
   6 // nlhs, nrhs: resp. numbers of out and in parameters.
   7 // plhs: array of out parameters, each being a mxArray
   8 // plhs: array of in parameters (immutable), each being a mxArray
   9 //
  10 // MATLAB translates a call [A,B] = fun(C,D) into mexFunction(2,{A,B},2,{C,D}).
  11 // Then mxArrayS are adapted to be passed to a regular C function,
  12 // and the results are translated back to mxArrayS into plhs.
  13 void mexFunction(int nlhs, mxArray* plhs[],
  14                  int nrhs, const mxArray* prhs[])
  15 {
  16     // Basic sanity checks
  17     if (nrhs!=12)
  18         mexErrMsgIdAndTxt("select:selectiontotale:nrhs","12 inputs required.");
  19     if (nlhs!=4)
  20         mexErrMsgIdAndTxt("select:selectiontotale:nlhs","4 outputs required.");
  21
  22     // Get matrices dimensions, to be given to main routine above
  23     const mwSize n = mxGetDimensions(prhs[8])[0];
  24     const mwSize p = mxGetDimensions(prhs[8])[1];
  25     const mwSize m = mxGetDimensions(prhs[1])[0];
  26     const mwSize k = mxGetDimensions(prhs[1])[2];
  27     const mwSize L = mxGetNumberOfElements(prhs[7]);
  28
  29     ////////////
  30     // INPUTS //
  31     ////////////
  32
  33     // phiInit
  34     const mwSize* dimPhiInit = mxGetDimensions(prhs[0]);
  35     Real* brPhiInit = matlabToBrArray_real(mxGetPr(prhs[0]), dimPhiInit, 3);
  36
  37     // rhoInit
  38     const mwSize* dimRhoInit = mxGetDimensions(prhs[1]);
  39     Real* brRhoInit = matlabToBrArray_real(mxGetPr(prhs[1]), dimRhoInit, 3);
  40
  41     // piInit
  42     Real* piInit = mxGetPr(prhs[2]);
  43
  44     // gamInit
  45     const mwSize* dimGamInit = mxGetDimensions(prhs[3]);
  46     Real* brGamInit = matlabToBrArray_real(mxGetPr(prhs[3]), dimGamInit, 2);
  47
  48     // min number of iterations
  49     Int mini = ((Int*)mxGetData(prhs[4]))[0];
  50
  51     // max number of iterations
  52     Int maxi = ((Int*)mxGetData(prhs[5]))[0];
  53
  54     // gamma
  55     Real gamma = mxGetScalar(prhs[6]);
  56
  57     // glambda
  58     Real* glambda = mxGetPr(prhs[7]);
  59
  60     // X
  61     const mwSize* dimX = mxGetDimensions(prhs[8]);
  62     Real* brX = matlabToBrArray_real(mxGetPr(prhs[8]), dimX, 2);
  63
  64     // Y
  65     const mwSize* dimY = mxGetDimensions(prhs[9]);
  66     Real* brY = matlabToBrArray_real(mxGetPr(prhs[9]), dimY, 2);
  67
  68     //seuil
  69     Real seuil = mxGetScalar(prhs[10]);
  70
  71     // tau
  72     Real tau = mxGetScalar(prhs[11]);
  73
  74     /////////////
  75     // OUTPUTS //
  76     /////////////
  77
  78     // A1
  79     mwSize dimA[] = {p,m+1,L};
  80     plhs[0] = mxCreateNumericArray(3,dimA,mxGetClassID(prhs[4]),mxREAL);
  81     Int* A1 = (Int*)mxGetData(plhs[0]);
  82
  83     // A2
  84     plhs[1] = mxCreateNumericArray(3,dimA,mxGetClassID(prhs[4]),mxREAL);
  85     Int* A2 = (Int*)mxGetData(plhs[1]);
  86
  87     // rho
  88     const mwSize dimRho[] = {dimRhoInit[0], dimRhoInit[1], dimRhoInit[2], L};
  89     plhs[2] = mxCreateNumericArray(4,dimRho,mxDOUBLE_CLASS,mxREAL);
  90     Real* Rho = mxGetPr(plhs[2]);
  91
  92     // pi
  93     const mwSize dimPi[] = {k, L};
  94     plhs[3] = mxCreateNumericMatrix(dimPi[0],dimPi[1],mxDOUBLE_CLASS,mxREAL);
  95     double* Pi = mxGetPr(plhs[3]);
  96
  97     /////////////////////////////
  98     // Call to selectiontotale //
  99     /////////////////////////////
 100
 101     selectiontotale(brPhiInit,brRhoInit,piInit,brGamInit,mini,maxi,gamma,glambda,brX,brY,seuil,tau,
 102         A1,A2,Rho,Pi,
 103         n,p,m,k,L);
 104
 105     free(brPhiInit);
 106     free(brRhoInit);
 107     free(brGamInit);
 108     free(brX);
 109     free(brY);
 110
 111     //post-processing: convert by-rows outputs to MATLAB matrices
 112     Int* mlA1 = brToMatlabArray_int(A1,dimA,3);
 113     copyArray(mlA1,A1,dimA[0]*dimA[1]*dimA[2]);
 114     free(mlA1);
 115
 116     Int* mlA2 = brToMatlabArray_int(A2,dimA,3);
 117     copyArray(mlA2,A2,dimA[0]*dimA[1]*dimA[2]);
 118     free(mlA2);
 119
 120     Real* mlRho = brToMatlabArray_real(Rho, dimRho, 4);
 121     copyArray(mlRho, Rho, dimRho[0]*dimRho[1]*dimRho[2]*dimRho[3]);
 122     free(mlRho);
 123
 124     Real* mlPi = brToMatlabArray_real(Pi, dimPi, 2);
 125     copyArray(mlPi, Pi, dimPi[0]*dimPi[1]);
 126     free(mlPi);
 127 }