boolean ArduConf00::getMsg(byte confID, byte v, char *buf){ //buf must be right lenght exactly; // id values come from controlIDs in this class // values are numerical integers (byte size) as follows // neck, middle : [0,1] // bridge : [0, 1, 2] // vol, tone : [0, 1, 2, 3, 4, 5] byte id; if (!ArduConf00::mapExtID(confID, &id)){ return false; // lookup failed ! } for (byte b=0;b<msgLenNbSettings[id][0];b++){ const byte *pin = pinPtr[id]; //Serial.print("Pin start: "); //Serial.println(*pin); pin += b; //Serial.print("Pin end: "); //Serial.println(*pin); const byte *val = valPtr[id]; //Serial.print("Val start: "); //Serial.println(*val); val += v + b*msgLenNbSettings[id][1]; // for (byte cc= 0;cc <v;cc++,val++); // += (const byte*)b; //Serial.print("Val end: "); //Serial.println(*val); b2a(*pin,*val,&buf[b*wordLen]); } return true; }
SEXP msbsvar_irf(SEXP gibbs, SEXP msbsvar, SEXP nsteps) { int i, k, n, N2, h, m, p, n0max, ns=INTEGER(nsteps)[0]; int *db, *dF, *dxi, *dQ, N210pct, pctct=0; SEXP bR, FR, xiR, QR, Ui, IRFlist, IRFtmp; // Rprintf("ns = %d\n",ns); // Get b, F, xi, Q, SS, dims from gibbs object PROTECT(bR = VECTOR_ELT(gibbs,0)); db=getdims(bR); // Rprintf("b(%d,%d)\n",db[0],db[1]); PROTECT(FR = VECTOR_ELT(gibbs,1)); dF=getdims(FR); // Rprintf("F(%d,%d)\n",dF[0],dF[1]); PROTECT(xiR= VECTOR_ELT(gibbs,2)); dxi=getdims(xiR); // Rprintf("xi(%d,%d)\n",dxi[0],dxi[1]); PROTECT(QR = VECTOR_ELT(gibbs,3)); dQ=getdims(QR); UNPROTECT(1); // Rprintf("Q(%d,%d)\n",dQ[0],dQ[1]); // Rprintf("Gibbs Objects and Dimensions Assigned\n"); // Reconstruct constants N2=db[0]; h=(int)sqrt((double)dQ[1]); n0max=db[1]/h; m=dxi[1]/h; p=((dF[1]/(h*m))-1)/m; N210pct=N2/10; // Rprintf("N2=%d\nh=%d\nm=%d\np=%d\nn0max=%d\n",N2,h,m,p,n0max); // Get Ui from msbsvar PROTECT(Ui=VECTOR_ELT(msbsvar,7)); Matrix bsample=R2Cmat(bR,N2,n0max*h); Matrix Fsample=R2Cmat(FR,N2,m*(m*p+1)*h); Matrix xisample=R2Cmat(xiR,N2,m*h); ColumnVector bk(n0max), Fk(m*(m*p+1)), bvec(m*m*p); bk=0.0; Fk=0.0; bvec=0.0; DiagonalMatrix xik(m), sqrtxik(m); xik=0.0; sqrtxik=0.0; Matrix Q(h,h), A0(m,m), A0i(m,m), fmat(m,m*p+1), sqrtwish, impulse(N2,m*m*ns); double *pFk; int IRFdims[]={N2,ns,m*m}; PROTECT(IRFlist=allocVector(VECSXP,h)); // Loop over regimes for(k=1;k<=h;k++){ // Rprintf("\n==========\nRegime %d\n==========\n",k); pctct=0; // Compute impulse responses for every draw of regime k for(n=1;n<=N2;n++){ // Rprintf("\nDraw %d:\n",n); // Get values for draw 'n', regime 'k' bk=bsample.SubMatrix(n,n,(k-1)*n0max+1,k*n0max).t(); // Rprintf("--bk(%d): ",bk.Storage()); //printCVector(bk); Fk=Fsample.SubMatrix(n,n,(k-1)*m*(m*p+1)+1,k*m*(m*p+1)).t(); pFk=Fk.Store(); // Rprintf("--Fk(%d): ",Fk.Storage()); //printCVector(Fk); for(i=1;i<=m;i++) xik(i)=sqrt(xisample(n,(k-1)*m+i)); // Rprintf("--xik(%d)/sqrtxik(%d) defined\n",m,m); // Compute A0/A0^-1/sqrtwish for regime k A0=b2a(bk,Ui); //Rprintf("--A0(%d,%d):",m,m); //printMatrix(A0); A0i=A0.i(); //Rprintf("--A0^-1(%d,%d):",m,m); //printMatrix(A0i); sqrtwish=(A0*xik).i(); //Rprintf("--sqrtwish(%d,%d):",m,m); //printMatrix(sqrtwish); // Compute beta vector fmat.ReSize(m,m*p+1); fmat<<pFk; fmat=fmat.t(); fmat=(fmat.Rows(1,m*p)*A0i).t(); bvec=fmat.AsColumn(); // Rprintf("--fmat(%d,%d):",m,m*p+1); printMatrix(fmat); // Rprintf("bvec_%d:", n); printCVector(bvec); // Compute IRF impulse.Row(n)=irf_var_from_beta(sqrtwish.t(), bvec, ns).t(); if (!(n%N210pct)) Rprintf("Regime %d: Monte Carlo IRF %d percent complete (Iteration %d)\n",k,++pctct*10,n); } // Create and class Robj for impulses, load into IRFlist PROTECT(IRFtmp=C2R3D(impulse,IRFdims)); setclass(IRFtmp,"mc.irf.BSVAR"); SET_VECTOR_ELT(IRFlist, k-1, IRFtmp); UNPROTECT(1); } UNPROTECT(5); return IRFlist; }