pkg/src/adapters/a.EMGLLF.c

   1 #include <R.h>
   2 #include <Rdefines.h>
   3 #include "EMGLLF.h"
   4
   5 // See comments in src/sources/EMGLLF.c and R/EMGLLF.R (wrapper)
   6 SEXP EMGLLF(
   7     SEXP phiInit_,
   8     SEXP rhoInit_,
   9     SEXP piInit_,
  10     SEXP gamInit_,
  11     SEXP mini_,
  12     SEXP maxi_,
  13     SEXP gamma_,
  14     SEXP lambda_,
  15     SEXP X_,
  16     SEXP Y_,
  17     SEXP tau_
  18 ) {
  19     // Get matrices dimensions
  20     int n = INTEGER(getAttrib(X_, R_DimSymbol))[0];
  21     SEXP dim = getAttrib(phiInit_, R_DimSymbol);
  22     int p = INTEGER(dim)[0];
  23     int m = INTEGER(dim)[1];
  24     int k = INTEGER(dim)[2];
  25
  26     ////////////
  27     // INPUTS //
  28     ////////////
  29
  30     // get scalar parameters
  31     int mini = INTEGER_VALUE(mini_);
  32     int maxi = INTEGER_VALUE(maxi_);
  33     double gamma = NUMERIC_VALUE(gamma_);
  34     double lambda = NUMERIC_VALUE(lambda_);
  35     double tau = NUMERIC_VALUE(tau_);
  36
  37     // Get pointers from SEXP arrays ; WARNING: by columns !
  38     double* phiInit = REAL(phiInit_);
  39     double* rhoInit = REAL(rhoInit_);
  40     double* piInit = REAL(piInit_);
  41     double* gamInit = REAL(gamInit_);
  42     double* X = REAL(X_);
  43     double* Y = REAL(Y_);
  44
  45     /////////////
  46     // OUTPUTS //
  47     /////////////
  48
  49     SEXP phi, rho, pi, LLF, S, dimPhiS, dimRho;
  50     PROTECT(dimPhiS = allocVector(INTSXP, 3));
  51     int* pDimPhiS = INTEGER(dimPhiS);
  52     pDimPhiS[0] = p; pDimPhiS[1] = m; pDimPhiS[2] = k;
  53     PROTECT(dimRho = allocVector(INTSXP, 3));
  54     int* pDimRho = INTEGER(dimRho);
  55     pDimRho[0] = m; pDimRho[1] = m; pDimRho[2] = k;
  56     PROTECT(phi = allocArray(REALSXP, dimPhiS));
  57     PROTECT(rho = allocArray(REALSXP, dimRho));
  58     PROTECT(pi = allocVector(REALSXP, k));
  59     PROTECT(LLF = allocVector(REALSXP, maxi-mini+1));
  60     PROTECT(S = allocArray(REALSXP, dimPhiS));
  61     double *pPhi=REAL(phi), *pRho=REAL(rho), *pPi=REAL(pi), *pLLF=REAL(LLF), *pS=REAL(S);
  62
  63     ////////////////////
  64     // Call to EMGLLF //
  65     ////////////////////
  66
  67     EMGLLF_core(phiInit,rhoInit,piInit,gamInit,mini,maxi,gamma,lambda,X,Y,tau,
  68         pPhi,pRho,pPi,pLLF,pS,
  69         n,p,m,k);
  70
  71     // Build list from OUT params and return it
  72     SEXP listParams, listNames;
  73     PROTECT(listParams = allocVector(VECSXP, 5));
  74     char* lnames[5] = {"phi", "rho", "pi", "LLF", "S"}; //lists labels
  75     PROTECT(listNames = allocVector(STRSXP,5));
  76     for (int i=0; i<5; i++)
  77         SET_STRING_ELT(listNames,i,mkChar(lnames[i]));
  78     setAttrib(listParams, R_NamesSymbol, listNames);
  79     SET_VECTOR_ELT(listParams, 0, phi);
  80     SET_VECTOR_ELT(listParams, 1, rho);
  81     SET_VECTOR_ELT(listParams, 2, pi);
  82     SET_VECTOR_ELT(listParams, 3, LLF);
  83     SET_VECTOR_ELT(listParams, 4, S);
  84
  85     UNPROTECT(9);
  86     return listParams;
  87 }