void polymult (header *hd) { header *st=hd,*hd1,*result; int c,c1,c2,i,r,j,k; double *m1,*m2,*mr,x; complex *mc1,*mc2,*mcr,xc,hc; interval *mi1,*mi2,*mir,xi,hi; hd1=next_param(st); equal_params_2(&hd,&hd1); if (error) return; getmatrix(hd,&r,&c1,&m1); if (r!=1) wrong_arg(); getmatrix(hd1,&r,&c2,&m2); if (r!=1) wrong_arg(); if ((LONG)c1+c2-1>INT_MAX) wrong_arg(); c=c1+c2-1; if (iscomplex(hd)) { mc1=(complex *)m1; mc2=(complex *)m2; result=new_cmatrix(1,c,""); if (error) return; mcr=(complex *)matrixof(result); c_copy(xc,*mc1); mc1++; for (i=0; i<c2; i++) c_mult(xc,mc2[i],mcr[i]); for (j=1; j<c1; j++) { c_copy(xc,*mc1); mc1++; for (k=j,i=0; i<c2-1; i++,k++) { c_mult(xc,mc2[i],hc); c_add(hc,mcr[k],mcr[k]); } c_mult(xc,mc2[i],mcr[k]); } } else if (isinterval(hd)) { mi1=(interval *)m1; mi2=(interval *)m2; result=new_imatrix(1,c,""); if (error) return; mir=(interval *)matrixof(result); i_copy(xi,*mi1); mi1++; for (i=0; i<c2; i++) i_mult(xi,mi2[i],mir[i]); for (j=1; j<c1; j++) { i_copy(xi,*mi1); mi1++; for (k=j,i=0; i<c2-1; i++,k++) { i_mult(xi,mi2[i],hi); c_add(hi,mir[k],mir[k]); } c_mult(xi,mi2[i],mir[k]); } } else if (isreal(hd)) { result=new_matrix(1,c,""); if (error) return; mr=matrixof(result); x=*m1++; for (i=0; i<c2; i++) mr[i]=x*m2[i]; for (j=1; j<c1; j++) { x=*m1++; for (k=j,i=0; i<c2-1; i++,k++) mr[k]+=x*m2[i]; mr[k]=x*m2[i]; } } else wrong_arg(); moveresult(st,result); }
void polyadd (header *hd) { header *st=hd,*hd1,*result; int c,c1,c2,i,r; double *m1,*m2,*mr; complex *mc1,*mc2,*mcr; interval *mi1,*mi2,*mir; hd1=next_param(st); equal_params_2(&hd,&hd1); if (error) return; getmatrix(hd,&r,&c1,&m1); if (r!=1) wrong_arg(); getmatrix(hd1,&r,&c2,&m2); if (r!=1) wrong_arg(); c=max(c1,c2); if (iscomplex(hd)) /* complex values */ { mc1=(complex *)m1; mc2=(complex *)m2; result=new_cmatrix(1,c,""); if (error) return; mcr=(complex *)matrixof(result); for (i=0; i<c; i++) { if (i>=c1) { c_copy(*mcr,*mc2); mcr++; mc2++; } else if (i>=c2) { c_copy(*mcr,*mc1); mcr++; mc1++; } else { c_add(*mc1,*mc2,*mcr); mc1++; mc2++; mcr++; } } } else if (isinterval(hd)) { mi1=(interval *)m1; mi2=(interval *)m2; result=new_imatrix(1,c,""); if (error) return; mir=(interval *)matrixof(result); for (i=0; i<c; i++) { if (i>=c1) { i_copy(*mir,*mi2); mir++; mi2++; } else if (i>=c2) { i_copy(*mir,*mi1); mir++; mi1++; } else { i_add(*mi1,*mi2,*mir); mi1++; mi2++; mir++; } } } else if (isreal(hd)) { result=new_matrix(1,c,""); if (error) return; mr=matrixof(result); for (i=0; i<c; i++) { if (i>=c1) { *mr++ = *m2++; } else if (i>=c2) { *mr++ = *m1++; } else { *mr++ = *m1++ + *m2++; } } } else wrong_arg(); moveresult(st,result); }
/* * NAME: data->assign_var() * DESCRIPTION: assign a value to a variable */ void d_assign_var(dataspace *data, value *var, value *val) { if (var >= data->variables && var < data->variables + data->nvariables) { if (data->plane->level != 0 && data->plane->original == (value *) NULL) { /* * back up variables */ i_copy(data->plane->original = ALLOC(value, data->nvariables), data->variables, data->nvariables); } ref_rhs(data, val); del_lhs(data, var); data->plane->flags |= MOD_VARIABLE; } i_ref_value(val); i_del_value(var); *var = *val; var->modified = TRUE; }
void polydiv (header *hd) { header *st=hd,*hd1,*result,*rest; int c1,c2,i,r,j; double *m1,*m2,*mr,*mh,x,l; complex *mc1,*mc2,*mcr,*mch,xc,lc,hc; interval *mi1,*mi2,*mir,*mih,xi,li,hi; hd1=next_param(st); equal_params_2(&hd,&hd1); if (error) return; getmatrix(hd,&r,&c1,&m1); if (r!=1) wrong_arg(); getmatrix(hd1,&r,&c2,&m2); if (r!=1) wrong_arg(); if (c1<c2) { result=new_real(0.0,""); rest=(header *)newram; moveresult(rest,hd1); } else if (iscomplex(hd)) { mc1=(complex *)m1; mc2=(complex *)m2; result=new_cmatrix(1,c1-c2+1,""); if (error) return; mcr=(complex *)matrixof(result); rest=new_cmatrix(1,c2,""); if (error) return; mch=(complex *)newram; if (!freeram(c1*sizeof(complex))) { output("Out of memory!\n"); error=190; return; } memmove((char *)mch,(char *)mc1,c1*sizeof(complex)); c_copy(lc,mc2[c2-1]); if (lc[0]==0.0 && lc[1]==0.0) wrong_arg(); for (i=c1-c2; i>=0; i--) { c_div(mch[c2+i-1],lc,xc); c_copy(mcr[i],xc); for(j=0; j<c2; j++) { c_mult(mc2[j],xc,hc); c_sub(mch[i+j],hc,mch[i+j]); } } memmove((char *)matrixof(rest),(char *)mch,c2*sizeof(complex)); } else if (isinterval(hd)) { mi1=(interval *)m1; mi2=(interval *)m2; result=new_imatrix(1,c1-c2+1,""); if (error) return; mir=(interval *)matrixof(result); rest=new_imatrix(1,c2,""); if (error) return; mih=(complex *)newram; if (!freeram(c1*sizeof(complex))) { output("Out of memory!\n"); error=190; return; } memmove((char *)mih,(char *)mi1,c1*sizeof(interval)); i_copy(li,mi2[c2-1]); if (li[0]<=0.0 && li[1]>=0.0) wrong_arg(); for (i=c1-c2; i>=0; i--) { i_div(mih[c2+i-1],li,xi); c_copy(mir[i],xi); for(j=0; j<c2; j++) { i_mult(mi2[j],xi,hi); i_sub(mih[i+j],hi,mih[i+j]); } } memmove((char *)matrixof(rest),(char *)mih,c2*sizeof(interval)); } else if (isreal(hd)) { result=new_matrix(1,c1-c2+1,""); if (error) return; mr=matrixof(result); rest=new_matrix(1,c2,""); if (error) return; mh=(double *)newram; if (!freeram(c1*sizeof(double))) { output("Out of memory!\n"); error=190; return; } memmove((char *)mh,(char *)m1,c1*sizeof(double)); l=m2[c2-1]; if (l==0.0) wrong_arg(); for (i=c1-c2; i>=0; i--) { x=mh[c2+i-1]/l; mr[i]=x; for(j=0; j<c2; j++) mh[i+j]-=m2[j]*x; } memmove((char *)matrixof(rest),(char *)mh,c2*sizeof(double)); } else wrong_arg(); moveresult(st,result); moveresult(nextof(st),rest); }