X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=src%2Fadapters%2Fa.constructionModelesLassoMLE.c;fp=src%2Fadapters%2Fa.constructionModelesLassoMLE.c;h=a331c675745ab330b872e9e1706ed4e7074f94d9;hb=cb51adb811037428129ac947a5f7999c8c4539ae;hp=0000000000000000000000000000000000000000;hpb=493a35bfea6d1210c94ced8fbfe3e572f0389ea5;p=valse.git

diff --git a/src/adapters/a.constructionModelesLassoMLE.c b/src/adapters/a.constructionModelesLassoMLE.c
new file mode 100644
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+++ b/src/adapters/a.constructionModelesLassoMLE.c
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+#include "ioutils.h"
+#include "constructionModelesLassoMLE.h"
+#include <mex.h>
+
+#include <stdio.h>
+
+// nlhs, nrhs: resp. numbers of out and in parameters.
+// plhs: array of out parameters, each being a mxArray
+// plhs: array of in parameters (immutable), each being a mxArray
+//
+// MATLAB translates a call [A,B] = fun(C,D) into mexFunction(2,{A,B},2,{C,D}). 
+// Then mxArrayS are adapted to be passed to a regular C function, 
+// and the results are translated back to mxArrayS into plhs.
+void mexFunction(
+	int nlhs, 
+	mxArray* plhs[],
+	int nrhs, 
+	const mxArray* prhs[])
+{
+	// Basic sanity checks
+	if (nrhs!=14) 
+		mexErrMsgIdAndTxt("select:constructionModelesLassoMLE:nrhs","14 inputs required.");
+	if (nlhs!=4) 
+		mexErrMsgIdAndTxt("select:constructionModelesLassoMLE:nlhs","4 outputs required.");
+
+	// Get matrices dimensions
+	const mwSize n = mxGetDimensions(prhs[8])[0];
+	const mwSize p = mxGetDimensions(prhs[0])[0];
+	const mwSize m = mxGetDimensions(prhs[0])[1];
+	const mwSize k = mxGetDimensions(prhs[0])[2];
+	const mwSize L = mxGetNumberOfElements(prhs[7]);
+	
+	////////////
+	// INPUTS //
+	////////////
+
+	// phiInit
+	const mwSize* dimPhiInit = mxGetDimensions(prhs[0]);
+	Real* brPhiInit = matlabToBrArray_real(mxGetPr(prhs[0]), dimPhiInit, 3);
+	
+	// rhoInit
+	const mwSize* dimRhoInit = mxGetDimensions(prhs[1]);
+	Real* brRhoInit = matlabToBrArray_real(mxGetPr(prhs[1]), dimRhoInit, 3);
+
+	// piInit
+	Real* piInit = mxGetPr(prhs[2]);
+
+	// gamInit
+	const mwSize* dimGamInit = mxGetDimensions(prhs[3]);
+	Real* brGamInit = matlabToBrArray_real(mxGetPr(prhs[3]), dimGamInit, 2);
+
+	// min number of iterations
+	Int mini = ((Int*)mxGetData(prhs[4]))[0];
+
+	// max number of iterations
+	Int maxi = ((Int*)mxGetData(prhs[5]))[0];
+
+	// gamma
+	Real gamma = mxGetScalar(prhs[6]);
+
+	// glambda
+	Real* glambda = mxGetPr(prhs[7]);
+
+	// X
+	const mwSize* dimX = mxGetDimensions(prhs[8]);
+	Real* brX = matlabToBrArray_real(mxGetPr(prhs[8]), dimX, 2);
+
+	// Y
+	const mwSize* dimY = mxGetDimensions(prhs[9]);
+	Real* brY = matlabToBrArray_real(mxGetPr(prhs[9]), dimY, 2);
+	
+	//seuil
+	Real seuil = mxGetScalar(prhs[10]);
+
+	// tau
+	Real tau = mxGetScalar(prhs[11]);
+	
+	// A1
+	const mwSize* dimA = mxGetDimensions(prhs[12]);
+	Int* brA1 = matlabToBrArray_int(mxGetData(prhs[12]), dimA, 3);
+	
+	// A2
+	Int* brA2 = matlabToBrArray_int(mxGetData(prhs[13]), dimA, 3);
+	
+	/////////////
+	// OUTPUTS //
+	/////////////
+	
+	// phi
+	const mwSize dimPhi[] = {dimPhiInit[0], dimPhiInit[1], dimPhiInit[2], L};
+	plhs[0] = mxCreateNumericArray(4,dimPhi,mxDOUBLE_CLASS,mxREAL);
+	Real* phi = mxGetPr(plhs[0]);
+	
+	// rho
+	const mwSize dimRho[] = {dimRhoInit[0], dimRhoInit[1], dimRhoInit[2], L};
+	plhs[1] = mxCreateNumericArray(4,dimRho,mxDOUBLE_CLASS,mxREAL);
+	Real* rho = mxGetPr(plhs[1]);
+
+	// pi
+	const mwSize dimPi[] = {k, L};
+	plhs[2] = mxCreateNumericMatrix(dimPi[0],dimPi[1],mxDOUBLE_CLASS,mxREAL);
+	Real* pi = mxGetPr(plhs[2]);
+
+	// lvraisemblance
+	const mwSize dimLvraisemblance[] = {L, 2};
+	plhs[3] = mxCreateNumericMatrix(L, 2, mxDOUBLE_CLASS,mxREAL);
+	Real* lvraisemblance = mxGetPr(plhs[3]);
+
+	/////////////////////////////////////////
+	// Call to constructionModelesLassoMLE //
+	/////////////////////////////////////////
+
+	constructionModelesLassoMLE(
+		brPhiInit,brRhoInit,piInit,brGamInit,mini,maxi,gamma,glambda,brX,brY,seuil,tau,brA1,brA2,
+		phi,rho,pi,lvraisemblance,
+		n,p,m,k,L);
+	
+	free(brPhiInit);
+	free(brRhoInit);
+	free(brGamInit);
+	free(brX);
+	free(brY);
+	free(brA1);
+	free(brA2);
+	
+	//post-processing: convert by-rows outputs to MATLAB matrices
+	Real* mlPhi = brToMatlabArray_real(phi, dimPhi, 4);
+	copyArray(mlPhi, phi, dimPhi[0]*dimPhi[1]*dimPhi[2]*dimPhi[3]);
+	free(mlPhi);
+	
+	Real* mlRho = brToMatlabArray_real(rho, dimRho, 4);
+	copyArray(mlRho, rho, dimRho[0]*dimRho[1]*dimRho[2]*dimRho[3]);
+	free(mlRho);
+
+	Real* mlPi = brToMatlabArray_real(pi, dimPi, 2);
+	copyArray(mlPi, pi, dimPi[0]*dimPi[1]);
+	free(mlPi);
+
+	Real* mlLvraisemblance = brToMatlabArray_real(lvraisemblance, dimLvraisemblance, 2);
+	copyArray(mlLvraisemblance, lvraisemblance, dimLvraisemblance[0]*dimLvraisemblance[1]);
+	free(mlLvraisemblance);
+}