21 lines
423 B
C++
21 lines
423 B
C++
#include "nr.h"
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void NR::splin2(Vec_I_DP &x1a, Vec_I_DP &x2a, Mat_I_DP &ya, Mat_I_DP &y2a,
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const DP x1, const DP x2, DP &y)
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{
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int j,k;
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int m=x1a.size();
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int n=x2a.size();
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Vec_DP ya_t(n),y2a_t(n),yytmp(m),ytmp(m);
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for (j=0;j<m;j++) {
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for (k=0;k<n;k++) {
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ya_t[k]=ya[j][k];
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y2a_t[k]=y2a[j][k];
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}
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splint(x2a,ya_t,y2a_t,x2,yytmp[j]);
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}
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spline(x1a,yytmp,1.0e30,1.0e30,ytmp);
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splint(x1a,yytmp,ytmp,x1,y);
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}
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