19 lines
317 B
C++
19 lines
317 B
C++
#include "nr.h"
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void NR::poldiv(Vec_I_DP &u, Vec_I_DP &v, Vec_O_DP &q, Vec_O_DP &r)
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{
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int k,j;
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int n=u.size()-1;
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int nv=v.size()-1;
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for (j=0;j<=n;j++) {
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r[j]=u[j];
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q[j]=0.0;
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}
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for (k=n-nv;k>=0;k--) {
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q[k]=r[nv+k]/v[nv];
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for (j=nv+k-1;j>=k;j--) r[j] -= q[k]*v[j-k];
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}
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for (j=nv;j<=n;j++) r[j]=0.0;
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}
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