From 0a42601f272ea962b200d452a54e0ca374163f60 Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Thu, 22 Nov 2012 19:56:47 +0000
Subject: Fix ldbl-128ibm atanl spurious underflows (bug 14871).

---
 math/libm-test.inc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'math')

diff --git a/math/libm-test.inc b/math/libm-test.inc
index b96f1bf..cae2de4 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -1195,6 +1195,14 @@ atan_test (void)
 
   TEST_f_f (atan, 0.75L, 0.643501108793284386802809228717322638L);
 
+  TEST_f_f (atan, 0x1p-100L, 0x1p-100L);
+#ifndef TEST_FLOAT
+  TEST_f_f (atan, 0x1p-600L, 0x1p-600L);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_f_f (atan, 0x1p-10000L, 0x1p-10000L);
+#endif
+
   END (atan);
 }
 
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