23 lines
571 B
C
23 lines
571 B
C
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#define NRANSI
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#include "nrutil.h"
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void splin2(float x1a[], float x2a[], float **ya, float **y2a, int m, int n,
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float x1, float x2, float *y)
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{
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void spline(float x[], float y[], int n, float yp1, float ypn, float y2[]);
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void splint(float xa[], float ya[], float y2a[], int n, float x, float *y);
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int j;
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float *ytmp,*yytmp;
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ytmp=vector(1,m);
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yytmp=vector(1,m);
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for (j=1;j<=m;j++)
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splint(x2a,ya[j],y2a[j],n,x2,&yytmp[j]);
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spline(x1a,yytmp,m,1.0e30,1.0e30,ytmp);
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splint(x1a,yytmp,ytmp,m,x1,y);
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free_vector(yytmp,1,m);
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free_vector(ytmp,1,m);
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}
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#undef NRANSI
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