1 files changed, 8 insertions, 0 deletions
diff --git a/ruby_1_8_6/missing/finite.c b/ruby_1_8_6/missing/finite.c
new file mode 100644
index 0000000000..f91035a8cd
--- /dev/null
+++ b/ruby_1_8_6/missing/finite.c
@@ -0,0 +1,8 @@
+/* public domain rewrite of finite(3) */
+
+int
+finite(n)
+    double n;
+{
+    return !isnan(n) && !isinf(n);
+}