View Compilation Error

0_0_39176257_28995.cpp: In function 'bool IsLine(Point&, Point&)':
0_0_39176257_28995.cpp:38:25: error: 'eps' was not declared in this scope
   38 |     if(abs(A.x - B.x) < eps)
      |                         ^~~
0_0_39176257_28995.cpp: In function 'bool IsRow(Point&, Point&)':
0_0_39176257_28995.cpp:43:25: error: 'eps' was not declared in this scope
   43 |     if(abs(A.y - B.y) < eps)
      |                         ^~~