shithub: sce

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path: fix typo in successor directions

--- a/path.c

+++ b/path.c

@@ -402,7 +402,7 @@

 	static Node *dir[8+1];

 	static dtab[2*(nelem(dir)-1)]={

 		-1,-1, 0,-1, 1,-1,

-		-1,0, 0,1,

+		-1,0, 1,0,

 		-1,1, 0,1, 1,1,

 	};

 	int i;

@@ -463,6 +463,7 @@

 				n->len = x->len + n->Δlen;

 				n->g -= Δg;

 				decreasekey(n->p, Δg, &queue);

+				assert(n->g >= 0);

 			}

 			if(nearest == nil || n->h < nearest->h)

 				nearest = n;