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authorJoseph Myers <joseph@codesourcery.com>2012-04-09 22:31:35 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-04-09 22:31:35 +0000
commitbcc8d6617ba029c288fff9680a02b9a3b1caa9c0 (patch)
tree9cb163731d4d165bfe71bad55f59d88c6b420917 /ChangeLog
parent8a1fbaaf75536088b4d505409e0e87975d8cf8d5 (diff)
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Fix ctan, ctanh overflow (bug 11521).
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+2012-04-09  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #11521]
+	* math/s_ctan.c: Include <float.h>.
+	(__ctan): Avoid internal overflow or cancellation in calculating
+	denominator.
+	* math/s_ctanf.c: Likewise.
+	* math/s_ctanl.c: Likewise.
+	* math/s_ctanh.c: Likewise.
+	* math/s_ctanhf.c: Likewise.
+	* math/s_ctanhl.c: Likewise.
+	* math/libm-test.inc (ctan_test): Add more tests.
+	(ctanh_test): Likewise.
+	* sysdeps/i386/fpu/libm-test-ulps: Update.
+	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
+
 2012-04-09  Andreas Jaeger  <aj@suse.de>
 
 	[BZ #6894]