void predic(data,ndata,d,npoles,future,nfut) float data[],d[],future[]; int ndata,npoles,nfut; { int k,j; float sum,discrp,*reg,*vector(); void free_vector(); reg=vector(1,npoles); for (j=1;j<=npoles;j++) reg[j]=data[ndata+1-j]; for (j=1;j<=nfut;j++) { discrp=0.0; sum=discrp; for (k=1;k<=npoles;k++) sum += d[k]*reg[k]; for (k=npoles;k>=2;k--) reg[k]=reg[k-1]; future[j]=reg[1]=sum; } free_vector(reg,1,npoles); }