1 files changed, 2 insertions, 1 deletions
diff --git a/deco.h b/deco.h
index 5860591..439626f 100644
--- a/deco.h
+++ b/deco.h
@@ -56,8 +56,9 @@ double add_segment_ascdec(decostate_t *ds, const double dstart, const double den
                           const gas_t *gas);
 double add_segment_const(decostate_t *ds, const double depth, const double time, const gas_t *gas);
 double get_gf(const decostate_t *ds, const double depth);
-double ceiling(const decostate_t *ds, double gf);
 double round_ceiling(const decostate_t *ds, const double c);
+double ceiling(const decostate_t *ds, double gf);
+double gf99(const decostate_t *ds, double depth);
 
 void init_decostate(decostate_t *ds, const unsigned char gflo, const unsigned char gfhi, const double ceil_multiple);