Files
2025-09-12 18:55:25 +09:00

34 lines
658 B
C

/* Driver for routine memcof */
#include <stdio.h>
#include <stdlib.h>
#define NRANSI
#include "nr.h"
#include "nrutil.h"
#define N 1000
#define M 10
int main(void)
{
int i;
float pm,*cof,*data;
FILE *fp;
cof=vector(1,M);
data=vector(1,N);
if ((fp = fopen("spctrl.dat","r")) == NULL)
nrerror("Data file spctrl.dat not found\n");
for (i=1;i<=N;i++) fscanf(fp,"%f",&data[i]);
fclose(fp);
memcof(data,N,M,&pm,cof);
printf("Coefficients for spectral estimation of spctrl.dat\n\n");
for (i=1;i<=M;i++) printf("a[%2d] = %12.6f \n",i,cof[i]);
printf("\na0 =%12.6f\n",pm);
free_vector(data,1,N);
free_vector(cof,1,M);
return 0;
}
#undef NRANSI