Use C99-defined macros to classify a floating-point number

1 files changed, 0 insertions, 9 deletions

diff --git a/missing/finite.c b/missing/finite.c
deleted file mode 100644
index ab7686317b..0000000000
--- a/missing/finite.c
+++ /dev/null
@@ -1,9 +0,0 @@
-/* public domain rewrite of finite(3) */
-
-#include "ruby/missing.h"
-
-int
-finite(double n)
-{
-    return !isnan(n) && !isinf(n);
-}