From 167217bec15c9c7aa70ba2a3dc9c689b3cd91872 Mon Sep 17 00:00:00 2001
From: Guillaume Cottenceau <gc@mandriva.com>
Date: Mon, 14 May 2001 14:19:32 +0000
Subject: import new version of dietlibc

---
 mdk-stage1/dietlibc/lib/__isnan.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 mdk-stage1/dietlibc/lib/__isnan.c

(limited to 'mdk-stage1/dietlibc/lib/__isnan.c')

diff --git a/mdk-stage1/dietlibc/lib/__isnan.c b/mdk-stage1/dietlibc/lib/__isnan.c
new file mode 100644
index 000000000..9d21e9824
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/__isnan.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int __isnan(double d) {
+  unsigned long long *x=(unsigned long long *)&d;
+  return (*x==0x7FF8002000000000ll || *x==0x7FF0002000000000);
+}
+
+#if 0
+TestFromIeeeExtended("7FFF0000000000000000");   /* +infinity */
+TestFromIeeeExtended("FFFF0000000000000000");   /* -infinity */
+TestFromIeeeExtended("7FFF8001000000000000");   /* Quiet NaN(1) */
+TestFromIeeeExtended("7FFF0001000000000000");   /* Signalling NaN(1) */
+TestFromIeeeExtended("3FFFFEDCBA9876543210");   /* accuracy test */
+#endif
-- 
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