From 337c270829f7088949ba0c96fffa6326fde17f78 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 26 Apr 2009 05:42:49 +0000 Subject: * sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * sysdeps/i386/fpu/s_tanf.S: Likewise. * sysdeps/i386/fpu/s_tanl.S: Likewise. * sysdeps/ieee754/dbl-64/s_tan.c: Likewise. * sysdeps/ieee754/flt-32/s_tanf.c: Likewise. * sysdeps/x86_64/fpu/s_tanl.S: Likewise. * math/libm-test.inc: Add tests for errno after tan calls with ±Inf. --- math/libm-test.inc | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'math') diff --git a/math/libm-test.inc b/math/libm-test.inc index 19025ecebe..8c5727ca27 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -5653,9 +5653,15 @@ tan_test (void) TEST_f_f (tan, 0, 0); TEST_f_f (tan, minus_zero, minus_zero); + errno = 0; TEST_f_f (tan, plus_infty, nan_value, INVALID_EXCEPTION); + check_int ("errno for tan(Inf) == EDOM", errno, EDOM, 0, 0, 0); + errno = 0; TEST_f_f (tan, minus_infty, nan_value, INVALID_EXCEPTION); + check_int ("errno for tan(-Inf) == EDOM", errno, EDOM, 0, 0, 0); + errno = 0; TEST_f_f (tan, nan_value, nan_value); + check_int ("errno for tan(NaN) == 0", errno, 0, 0, 0, 0); TEST_f_f (tan, M_PI_4l, 1); TEST_f_f (tan, 0.75L, 0.931596459944072461165202756573936428L); -- cgit 1.4.1