C week 09 lab 4

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

int main(int argc, char *argv[])
{
  struct timeval tim;
  gettimeofday(&tim, NULL);
  double t1 = tim.tv_sec + (tim.tv_usec / 1000000.0);

  int row, col, count = 0;

  int printVals = 0;
  double r, t;

  for (int i = 0; i < argc - 1; i++)
  {
    if (strcmp(argv[i], "-r") == 0)
    {
      r = strtof(argv[i + 1], NULL);
    }
    else if (strcmp(argv[i], "-t") == 0)
    {
      t = strtof(argv[i + 1], NULL);
    }
    else if (strcmp(argv[i], "-v") == 0)
    {
      printVals = 1;
    }
  }

  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++;
        if (printVals == 1)
        {
          fprintf(stdout, "r=%d, c=%d: %.6f\n", i, j, rows[i][j]);
        }
      }
    }
  }
  fprintf(stdout, "Found %d approximate matches.\n", count);

  gettimeofday(&tim, NULL);
  double t2 = tim.tv_sec + (tim.tv_usec / 1000000.0);
  printf("%.6lf seconds elapsed\n", t2 - t1);

  return 0;
}