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authorJoseph Myers <joseph@codesourcery.com>2012-07-04 09:55:26 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-04 09:55:26 +0000
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Fix ctan, ctanh of subnormals in round-upwards mode (bug 14328).
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+2012-07-04 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #14328]
+ * math/s_ctan.c (__ctan): Do not call sinh and cosh for subnormals
+ or multiply small sinh result by itself.
+ * math/s_ctanf.c (__ctanf): Likewise.
+ * math/s_ctanh.c (__ctanh): Likewise.
+ * math/s_ctanhf.c (__ctanhf): Likewise.
+ * math/s_ctanhl.c (__ctanhl): Likewise.
+ * math/s_ctanl.c (__ctanl): Likewise.
+ * math/libm-test.inc (ctan_test_tonearest): New function.
+ (ctan_test_towardzero): Likewise.
+ (ctan_test_downward): Likewise.
+ (ctan_test_upward): Likewise.
+ (ctanh_test_tonearest): Likewise.
+ (ctanh_test_towardzero): Likewise.
+ (ctanh_test_downward): Likewise.
+ (ctanh_test_upward): Likewise.
+ (main): Call these new functions.
+ * sysdeps/i386/fpu/libm-test-ulps: Update.
+ * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
+
2012-07-03 Mike Frysinger <vapier@gentoo.org>
* .gitignore: Delete /ports entry.