From 7efb4737dd729326e5339facbd785cee43fb53b3 Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Mon, 27 Aug 2012 16:04:19 +0000
Subject: Fix sign of zero on strtod underflow (bug 14519).

---
 stdlib/tst-strtod-round.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

(limited to 'stdlib/tst-strtod-round.c')

diff --git a/stdlib/tst-strtod-round.c b/stdlib/tst-strtod-round.c
index 74385000c8..07881e33e1 100644
--- a/stdlib/tst-strtod-round.c
+++ b/stdlib/tst-strtod-round.c
@@ -6255,6 +6255,110 @@ static const struct test tests[] = {
 	-0xcp-16448L,
 	-0xcp-16448L,
 	-0xcp-16448L),
+  TEST ("-0x0.7p-149",
+	-0x8p-152f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x3.8p-152,
+	-0x3.8p-152,
+	-0x3.8p-152,
+	-0x3.8p-152,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	true,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L,
+	-0x3.8p-152L),
+  TEST ("-0x0.7p-1074",
+	-0x8p-152f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x4p-1076,
+	-0x0p+0,
+	-0x0p+0,
+	-0x0p+0,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L,
+	false,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L,
+	-0x1.cp-1076L),
+  TEST ("-0x0.7p-16445",
+	-0x8p-152f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x4p-1076,
+	-0x0p+0,
+	-0x0p+0,
+	-0x0p+0,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x8p-16448L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	false,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x3.8p-16448L,
+	-0x3.8p-16448L,
+	-0x3.8p-16448L,
+	-0x3.8p-16448L),
+  TEST ("-0x0.7p-16494",
+	-0x8p-152f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x0p+0f,
+	-0x4p-1076,
+	-0x0p+0,
+	-0x0p+0,
+	-0x0p+0,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x8p-16448L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	false,
+	-0x4p-1076L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x4p-16496L,
+	-0x0p+0L,
+	-0x0p+0L,
+	-0x0p+0L),
 };
 
 static int
-- 
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