diff --git a/spec/f16.ts b/spec/f16.ts
index 7475c0c..09c9d1f 100644
--- a/spec/f16.ts
+++ b/spec/f16.ts
@@ -15,6 +15,12 @@ export const F64_I16 = [
 	[-0.7071067811865476, 47528],
 	[1.4142135623730951, 15784],
 	[-1.4142135623730951, 48552],
+	[65536, 31744],
+	[65536.1, 31744],
+	[9007199254740991, 31744],
+	[-9007199254740991, 64512],
+	[1.7976931348623157e+308, 31744],
+	[5e-324, 0],
 ];
 
 export const ALL_F16 = [