void get_sizes(char ** file_name,int * r ,int * c)
{
    //getting number of columns and rows
    int flag = 0 ;
    FILE *f;
    f = fopen(file_name,"r");
    if(f != NULL )
    {
         while (!feof(f))
    {
        char ch = fgetc(f);
       if(ch == ' ' && flag == 0)
       {
           *c = *c + 1 ;

       }

       if(ch == '\n')
      {
          *r = *r + 1 ;
          flag = 1; //flag to stop counting spaces

      }

    }

    fclose(f);
    }
    else
  {
      printf("error reading file");
      exit(-1);
  }



}

float ** build_matrix(char ** file_name,int * r ,int * c )
{
  FILE *f;
  float temp[50];
   int rows = *r , columns = *c;
  int counter = 0,i = 0,j = 0;
  //dynamic allocation for matrix
  float **matrix;
    matrix = malloc(sizeof(float*) * columns);

    for(i = 0; i < rows; i++) {
        matrix[i] = malloc(sizeof(float*) * columns);
    }

    //getting the values in a temporary array
  f = fopen(file_name, "r");
  if(f != NULL )
  {
      while (!feof(f))
    {

      fscanf(f,"%f",&temp[counter]);

      counter++;
    }

    // building the matrix

        counter = 0 ;
        for(i = 0; i < *r; i++)
        {

            for(j = 0; j < *c; j++)
            {
                matrix[i][j] = temp[counter];
                counter++;
            }


        }



  }
  else
  {
      printf("error reading file");
      exit(-1);
  }



  fclose(f);
  return matrix;

}