diff --git a/src/testdir/test57.ok b/src/testdir/test57.ok
index 2ac5e59..452acf1 100644
--- a/src/testdir/test57.ok
+++ b/src/testdir/test57.ok
@@ -453,6 +453,8 @@
 b322b
 b321
 b321b
+
+
 t28: binary
 
 
@@ -487,4 +489,13 @@
 0b101010
 b0b101100
 b0b111000
-t30: done
+t30: float
+
+
+-1.1e3
+-1.01e3
+1.15e-6
+0.88
+1.234
+123.456
+t31: done