49 lines
992 B
C
49 lines
992 B
C
#include <stdio.h>
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#include <string.h>
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#include "array_io.h"
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io_status read_values (double * restrict X, double * restrict Y, const int n, const char * restrict name)
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{
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FILE *fp;
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if (!(fp = fopen(name, "r")))
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return ERROR_OPEN;
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for (int i = 0; i < n; ++i)
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if (fscanf(fp, "%lf %lf", X + i, Y + i) != 1)
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{ fclose(fp); return ERROR_READ; }
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fclose(fp);
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return SUCCESS;
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}
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void print_values (const double * restrict X, const double * restrict Y, const int n, const int p)
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{
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int np = (n > p ? p : n);
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for (int i = 0; i < np; i++)
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printf("f(%lf) = %lf\n");
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}
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int read_or_init_matrix(double *a, char *name, int k, int n)
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{
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if (name)
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{ /* из файла */
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io_status ret;
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ret = read_matrix(a, n, name);
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do {
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switch (ret)
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{
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case SUCCESS:
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continue;
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case ERROR_OPEN:
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printf("Cannot open %s\n", name);
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break;
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case ERROR_READ:
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printf("Cannot read %s\n", name);
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}
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return 3;
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} while (0);
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} else init_matrix(a, n, k);
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return 0;
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}
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