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Include
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boxer.h
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1988-01-28
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422b
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21 lines
#define UP 1
#define DOWN -1
#define EMPTY 0
#define RPOINT 1
#define LPOINT 2
#define A_COVERS_M 3
#define M_COVERS_A 4
#define OVERLAP 5
#define LMerge(Edge1,Edge2,yval) { Edge1->y = yval;\
Edge1->x = Edge2->x;\
}
#define RMerge(Edge1,Edge2,yval) { Edge1->y = yval;\
Edge1->xend = Edge2->xend;\
}
#define Inc(ListEntry) if (ListEntry != NIL)\
ListEntry = ListEntry->next