text: #pragma once
    
  #include <vector>
  #include <tiffio.h>
  #include <math.h>
  
  using namespace std;
  
  using ldouble = double;
  
  using Tiff = TIFF*;
  
  const ldouble EPS = 1e-7;
  const ldouble NaN = -sqrt(-1.0);
  const ldouble PI = acos(-1);