commit 12e997d87c3f057018fb8f3411cd9676b416cc04
from: rsc <devnull@localhost>
date: Fri Apr 21 04:00:56 2006 UTC

system tan() is probably good enough

commit - af6e459f18e56924a79fc7e732562132ee88fd22
commit + 12e997d87c3f057018fb8f3411cd9676b416cc04
blob - 7c3d3ad75fc6429613b7ad5510cfbf3a4ea84663
blob + 01d41a1d783368450c3436e3fd91a991c0c329d8
--- src/cmd/map/libmap/zcoord.c
+++ src/cmd/map/libmap/zcoord.c
@@ -123,12 +123,6 @@ norm(struct place *gg, struct place *pp, struct coord 
 		g->wlon.l += 2*PI;
 }
 
-double
-tan(double x)
-{
-	return(sin(x)/cos(x));
-}
-
 void
 printp(struct place *g)
 {