X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/c0361acdb2a1bfa484787a157cfeb5d2d7356795..71a0832be233dd2364c6ba14f5df6c195bcf6c48:/netslide.c

diff --git a/netslide.c b/netslide.c
index b81a816..86efb2f 100644
--- a/netslide.c
+++ b/netslide.c
@@ -13,8 +13,6 @@
 #include "puzzles.h"
 #include "tree234.h"
 
-#define PI 3.141592653589793238462643383279502884197169399
-
 #define MATMUL(xr,yr,m,x,y) do { \
     float rx, ry, xx = (x), yy = (y), *mat = (m); \
     rx = mat[0] * xx + mat[2] * yy; \