From 4cd6a4a5d7e49d54d53dcf4a6f3393d50bd88e8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Wed, 4 Jun 2003 18:44:09 +0000
Subject: Import dietlibc 0.22 + other fixes for AMD64

---
 mdk-stage1/dietlibc/lib/__isinf.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 mdk-stage1/dietlibc/lib/__isinf.c

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

diff --git a/mdk-stage1/dietlibc/lib/__isinf.c b/mdk-stage1/dietlibc/lib/__isinf.c
new file mode 100644
index 000000000..359bd2709
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/__isinf.c
@@ -0,0 +1,15 @@
+#include <math.h>
+
+int isinf(double d) {
+  unsigned long long *x=(unsigned long long *)&d;
+  return (*x==0x7FF0000000000000ll?1:*x==0xFFF0000000000000?-1:0);
+}
+int __isinf(double d) __attribute__((alias("isinf")));
+
+#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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