65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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/* Driver for routine ks2d1s */
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#include <stdio.h>
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#define NRANSI
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#include "nr.h"
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#include "nrutil.h"
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#define NMAX 1000
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int main(void)
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{
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long idum;
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unsigned long j,jtrial,n1,ntrial;
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float d,factor,prob,u,v,*x1,*y1;
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x1=vector(1,NMAX);
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y1=vector(1,NMAX);
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for (;;) {
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printf("How many points?\n");
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if (scanf("%lu",&n1) == EOF) break;
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if (n1 > NMAX) {
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printf("n1 too large.\n");
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continue;
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}
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printf("What factor nonlinearity (0 to 1)?\n");
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for (;;) {
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if (scanf("%f",&factor) == EOF) {
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factor = -1.0;
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break;
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}
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if (factor < 0.0) {
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printf("factor less than 0\n");
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continue;
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}
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if (factor > 1.0) {
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printf("factor greater than 1\n");
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continue;
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}
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break;
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}
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if (factor == -1.0) break;
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printf("How many trials?\n");
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if (scanf("%lu",&ntrial) == EOF) break;
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idum = -289-ntrial-n1;
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for (jtrial=1;jtrial<=ntrial;jtrial++) {
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for (j=1;j<=n1;j++) {
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u=ran1(&idum);
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u=u*((1.0-factor)+u*factor);
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x1[j]=2.0*u-1.0;
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v=ran1(&idum);
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v=v*((1.0-factor)+v*factor);
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y1[j]=2.0*v-1.0;
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}
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ks2d1s(x1,y1,n1,quadvl,&d,&prob);
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printf("d, prob= %12.6f %12.6f\n",d,prob);
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}
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}
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free_vector(y1,1,NMAX);
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free_vector(x1,1,NMAX);
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printf("Normal completion\n");
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return 0;
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}
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#undef NRANSI
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