Another massive cleanup

Drops unused functions, fixes function visibility.

1 files changed, 1 insertions, 0 deletions

diff --git a/random.h b/random.h
index 4e0b8c9..29d63cb 100644
--- a/random.h
+++ b/random.h
@@ -15,6 +15,7 @@ double rand_d01 (randctx * const st);
 double rand_d11 (randctx * const st);
 int rand_bool (randctx * const st);
 
+#define vlen(x) (sizeof(x)/sizeof(*x))
 #define rand_distrib(st,v) ((v)[rand_u64(st)%vlen(v)])
 #define rand_mod(st,max) (rand_u64(st)%(max))