1 files changed, 7 insertions, 0 deletions
diff --git a/trunk/missing/finite.c b/trunk/missing/finite.c
new file mode 100644
index 0000000000..8d0b7af262
--- /dev/null
+++ b/trunk/missing/finite.c
@@ -0,0 +1,7 @@
+/* public domain rewrite of finite(3) */
+
+int
+finite(double n)
+{
+    return !isnan(n) && !isinf(n);
+}