void UniDivFC(poly_fc & q,poly_fc & f,poly_fc & g) { poly_fc r; int k,n; r.resize(f.size()); for(int i=0;i<f.size();i++)mpfc_set(r[i],f[i]); n=g.size()-1; k=r.size()-g.size(); if(k<0) { q.resize(0);return; } q.resize(k+1); mpfc_t t; mpfc_init(t); do { mpfc_div(q[k],r[n+k],g[n]); if(!mpfc_iszero(q[k])) { for(int i=0;i<n;i++) { uint j=n+k-1-i; mpfc_mul(t,q[k],g[j-k]); mpfc_sub(r[j],r[j],t); } } } while (k--); mpfc_clear(t); r.resize(0); }
void UniMulFC(poly_fc & r,poly_fc & f,poly_fc & g) { uint sa=f.size(),sb=g.size(); if(sa==0||sb==0) { r.resize(0); return ; } uint sx = sa+sb-1; r.resize(sx); int i, j, jmin, jmax; static mpfc_t t, accum; mpfc_init(t); mpfc_init(accum); for (i = 0; i < sx; i++) { jmin = std::max<int>(0, i-sb+1); jmax = std::min<int>(sa-1, i); mpfc_set_ui(accum,0); for (j = jmin; j <= jmax; j++) { mpfc_mul(t, f[j], g[i-j]); mpfc_add(accum, accum, t); } mpfc_set(r[i], accum); } mpfc_clear(t); mpfc_clear(accum); }
void UniAddFC(poly_fc & r,poly_fc & f,poly_fc & g) { int sf=f.size(),sg=g.size(),ms=std::min<int>(sf,sg); r.resize(std::max<int>(sf,sg)); for(int i=0;i<ms;i++)mpfc_add(r[i],f[i],g[i]); if(sf<sg) { for(int i=ms;i<sg;i++)mpfc_set(r[i],g[i]); } else { for(int i=ms;i<sf;i++)mpfc_set(r[i],f[i]); } if(sf==sg)r.normalize(); return ; }
void UniEvalFC(mpfc_ptr r,poly_fc & f,mpfc_ptr x) { uint i=f.size()-1; mpfc_set(r,f[i]); if(i==0)return ; --i; while(1) { mpfc_mul(r,r,x); mpfc_add(r,r,f[i]); if(i==0)break; --i; } return ; }
inline void complexAP::operator =(complexAP c) { mpfc_set(&value, &c.value); }
void set(elem &result, elem a) const { mpfc_set(&result, &a); }