0_0_20719441_6923.cpp: In function 'double rad(Point, Point)':
0_0_20719441_6923.cpp:69:55: error: 'dot' was not declared in this scope
return fabs (atan2 (fabs (cross (a, b)), dot (a, b)) );
^
0_0_20719441_6923.cpp: In member function 'double Line::length()':
0_0_20719441_6923.cpp:113:25: error: 'dis' was not declared in this scope
return dis (s, e);
^
0_0_20719441_6923.cpp: In function 'double point_to_seg(Point, Line)':
0_0_20719441_6923.cpp:128:34: error: 'dot' was not declared in this scope
if (dcmp (dot (p-a.s, a.e-a.s)) < 0 || dcmp (dot (p-a.e, a.s-a.e)) < 0)
^
0_0_20719441_6923.cpp:129:32: error: 'dis' was not declared in this scope
return min (dis (p, a.e), dis (p, a.s));
^
0_0_20719441_6923.cpp: In function 'Point projection(Point, Line)':
0_0_20719441_6923.cpp:134:51: error: 'dot' was not declared in this scope
return a.s + (((a.e-a.s) * dot (a.e-a.s, p-a.s)) / (a.e-a.s).len2() );
^
0_0_20719441_6923.cpp: In function 'int relation(Point, Circle)':
0_0_20719441_6923.cpp:171:27: error: 'dis' was not declared in this scope
double d = dis (p, a.p);
^
0_0_20719441_6923.cpp: In function 'int relation(Circle, Circle)':
0_0_20719441_6923.cpp:185:29: error: 'dis' was not declared in this scope
double d = dis (a.p, v.p);
^
0_0_20719441_6923.cpp: In function 'int circle_intersection(Circle, Circle, Point&, Point&)':
0_0_20719441_6923.cpp:198:29: error: 'dis' was not declared in this scope
double d = dis (a.p, v.p);
^
0_0_20719441_6923.cpp: In function 'double circle_traingle_area(Point, Point, Circle)':
0_0_20719441_6923.cpp:234:38: error: 'dot' was not declared in this scope
if (dcmp (dot (a-q[1], b-q[1])) < 0) q[len++] = q[1];
^
0_0_20719441_6923.cpp:235:38: error: 'dot' was not declared in this scope
if (dcmp (dot (a-q[2], b-q[2])) < 0) q[len++] = q[2];
^
0_0_20719441_6923.cpp:238:52: error: 'dot' was not declared in this scope
if (len == 4 && dcmp (dot (q[0]-q[1], q[2]-q[1])) > 0)
^
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