Files
2025-02-Numerical/lib/nr/ansi/examples/xzbrac.c
2025-09-12 18:55:25 +09:00

32 lines
512 B
C

/* Driver for routine zbrac */
#include <stdio.h>
#define NRANSI
#include "nr.h"
static float fx(float x)
{
return bessj0(x);
}
int main(void)
{
int succes,i;
float x1,x2;
printf("%21s %23s\n","bracketing values:","function values:");
printf("%6s %10s %21s %12s\n","x1","x2","bessj0(x1)","bessj0(x2)");
for (i=1;i<=10;i++) {
x1=i;
x2=x1+1.0;
succes=zbrac(fx,&x1,&x2);
if (succes) {
printf("%7.2f %10.2f %6s %12.6f %12.6f \n",
x1,x2," ",fx(x1),fx(x2));
}
}
return 0;
}
#undef NRANSI