60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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/* Driver for routine sort2 */
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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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#define NP 100
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int main(void)
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{
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char txt[MAXSTR];
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int i,j;
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float *a,*b;
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FILE *fp;
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a=vector(1,NP);
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b=vector(1,NP);
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if ((fp = fopen("tarray.dat","r")) == NULL)
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nrerror("Data file tarray.dat not found\n");
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fgets(txt,MAXSTR,fp);
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for (i=1;i<=NP;i++) fscanf(fp,"%f",&a[i]);
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fclose(fp);
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/* generate b-array */
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for (i=1;i<=NP;i++) b[i]=i;
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/* sort a and mix b */
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sort2(NP,a,b);
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printf("\nAfter sorting a and mixing b, array a is:\n");
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for (i=0;i<=9;i++) {
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for (j=1;j<=10;j++) printf("%7.2f",a[10*i+j]);
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printf("\n");
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}
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printf("\n... and array b is:\n");
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for (i=0;i<=9;i++) {
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for (j=1;j<=10;j++) printf("%7.2f",b[10*i+j]);
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printf("\n");
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}
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printf("press return to continue...\n");
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(void) getchar();
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/* sort b and mix a */
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sort2(NP,b,a);
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printf("\nAfter sorting b and mixing a, array a is:\n");
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for (i=0;i<=9;i++) {
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for (j=1;j<=10;j++) printf("%7.2f",a[10*i+j]);
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printf("\n");
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}
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printf("\n... and array b is:\n");
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for (i=0;i<=9;i++) {
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for (j=1;j<=10;j++) printf("%7.2f",b[10*i+j]);
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printf("\n");
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}
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free_vector(b,1,NP);
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free_vector(a,1,NP);
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return 0;
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}
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#undef NRANSI
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