From 18b17e97757a59718a23f8128dfc91c016df08b1 Mon Sep 17 00:00:00 2001 From: Elliott Hughes Date: Fri, 6 Jun 2014 21:43:33 -0700 Subject: Add a regression test for two libm bugs we didn't have. Reported on the OpenBSD list, but we already had the fix for one from FreeBSD, and I think the other only affected ld80 anyway. Worth having tests thuogh. Change-Id: Ic4bbeb2384fd578a3ef13e4907be83deda50815f --- tests/math_test.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/tests/math_test.cpp b/tests/math_test.cpp index b0d541a..b4f5b14 100644 --- a/tests/math_test.cpp +++ b/tests/math_test.cpp @@ -1295,3 +1295,18 @@ TEST(math, frexpf_public_bug_6697) { float fr = frexpf(14.1f, &exp); ASSERT_FLOAT_EQ(14.1f, scalbnf(fr, exp)); } + +TEST(math, exp2_STRICT_ALIGN_OpenBSD_bug) { + // OpenBSD/x86's libm had a bug here, but it was already fixed in FreeBSD: + // http://svnweb.FreeBSD.org/base/head/lib/msun/src/math_private.h?revision=240827&view=markup + ASSERT_DOUBLE_EQ(5.0, exp2(log2(5))); + ASSERT_FLOAT_EQ(5.0f, exp2f(log2f(5))); + ASSERT_DOUBLE_EQ(5.0L, exp2l(log2l(5))); +} + +TEST(math, nextafterl_OpenBSD_bug) { + // OpenBSD/x86's libm had a bug here. + ASSERT_TRUE(nextafter(1.0, 0.0) - 1.0 < 0.0); + ASSERT_TRUE(nextafterf(1.0f, 0.0f) - 1.0f < 0.0f); + ASSERT_TRUE(nextafterl(1.0L, 0.0L) - 1.0L < 0.0L); +} -- cgit v1.1