1 files changed, 0 insertions, 18 deletions
diff --git a/missing/isinf.c b/missing/isinf.c
deleted file mode 100644
index 0297efdfd4..0000000000
--- a/missing/isinf.c
+++ /dev/null
@@ -1,18 +0,0 @@
-static double zero()	{ return 0.0; }
-static double one()	{ return 1.0; }
-static double inf()	{ return one() / zero(); }
-
-int
-isinf(n)
-    double n;
-{
-    static double pinf = 0.0;
-    static double ninf = 0.0;
-
-    if (pinf == 0.0) {
-	pinf = inf();
-	ninf = -pinf;
-    }
-    return memcmp(&n, &pinf, sizeof n) == 0
-	|| memcmp(&n, &ninf, sizeof n) == 0;
-}