45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
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/* Driver for routine julday */
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#include <stdio.h>
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#include <stdlib.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 MAXSTR 80
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int main(void)
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{
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int i,id,im,iy,n;
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char txt[MAXSTR];
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static char *name[]={"","january","february","march",
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"april","may","june","july","august","september",
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"october","november","december"};
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FILE *fp;
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if ((fp = fopen("dates1.dat","r")) == NULL)
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nrerror("Data file dates1.dat not found\n");
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fgets(txt,MAXSTR,fp);
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fscanf(fp,"%d %*s ",&n);
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printf("\n%5s %8s %6s %12s %9s\n","month","day","year",
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"julian day","event");
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for (i=1;i<=n;i++) {
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fscanf(fp,"%d %d %d ",&im,&id,&iy);
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fgets(txt,MAXSTR,fp);
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printf("%-10s %3d %6d %10ld %5s %s",name[im],id,iy,
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julday(im,id,iy)," ",txt);
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}
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fclose(fp);
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printf("\nYour choices: (negative to end)\n");
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printf("month day year (e.g. 1 13 1905)\n");
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for (i=1;i<=20;i++) {
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printf("\nmm dd yyyy ?\n");
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scanf("%d %d %d",&im,&id,&iy);
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if (im < 0) return 0;
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printf("julian day: %ld \n",julday(im,id,iy));
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}
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return 0;
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}
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#undef NRANSI
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