findvals.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "utils.c"

int main(int argc, char *argv[])
{
  struct tm *local;
  time_t start, end;
  time(&start);
  local = localtime(&start);
  printf("# Start time and date: %s", asctime(local));

  int row, col, count = 0;
  double r = (strcmp(argv[1], "-r") == 0) ? strtof(argv[2], NULL) : strtof(argv[4], NULL);
  double t = (strcmp(argv[1], "-t") == 0) ? strtof(argv[2], NULL) : strtof(argv[4], NULL);
  scanf("%d", &row);
  scanf("%d", &col);
  double **rows = (double **)malloc(row * sizeof(double *));
  for (int i = 0; i < row; i++)
  {
    rows[i] = (double *)malloc(sizeof(double) * col);
  }

  for (int i = 0; i < row; i++)
  {
    for (int j = 0; j < col; j++)
    {
      scanf("%lf", &rows[i][j]);
    }
  }
  for (int i = 0; i < row; i++)
  {
    for (int j = 0; j < col; j++)
    {
      if (approxEqual(rows[i][j], r, t))
      {
        count++;
        fprintf(stdout, "r=%d, c=%d: %.6f\n", i, j, rows[i][j]);
      }
    }
  }
  fprintf(stdout, "Found %d approximate matches.\n", count);
  time(&end);
  local = localtime(&end);
  printf("# End time and date: %s", asctime(local));
  return 0;
}