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authorDimitry Andric <dim@FreeBSD.org>2021-02-10 22:28:43 +0000
committerDimitry Andric <dim@FreeBSD.org>2021-02-10 22:28:43 +0000
commitd3338f3355a612cf385632291f46c5777bba8d18 (patch)
treea15a53955218da243ebaefd9bc07b74f07769d09 /contrib
parenta6dc68c0e0f8a24ffaf0b4e78e58141ef7897047 (diff)
downloadsrc-d3338f3355a612cf385632291f46c5777bba8d18.tar.gz
src-d3338f3355a612cf385632291f46c5777bba8d18.zip
Diffstat (limited to 'contrib')
-rw-r--r--contrib/netbsd-tests/lib/libm/t_hypot.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libm/t_hypot.c b/contrib/netbsd-tests/lib/libm/t_hypot.c
index deb7e86ad5ac..075c5c83fe14 100644
--- a/contrib/netbsd-tests/lib/libm/t_hypot.c
+++ b/contrib/netbsd-tests/lib/libm/t_hypot.c
@@ -70,12 +70,32 @@ ATF_TC_BODY(pr50698, tc)
ATF_CHECK(!isnan(val));
}
+ATF_TC(hypotl_near_underflow);
+ATF_TC_HEAD(hypotl_near_underflow, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test hypotl near underflow");
+}
+
+ATF_TC_BODY(hypotl_near_underflow, tc)
+{
+ volatile long double a = 0x1.b2933cafa0bb7p-16383L;
+ volatile long double b = 0x1.fffffffffffffp-16351L;
+ volatile long double e = 0x1.fffffffffffffp-16351L;
+ volatile long double ulp = __LDBL_EPSILON__;
+
+ volatile long double val = hypotl(a, b);
+
+ ATF_CHECK(!isinf(val));
+ ATF_CHECK(fabsl(val - e) <= 2 * ulp);
+}
+
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, hypot_integer);
ATF_TP_ADD_TC(tp, hypotf_integer);
ATF_TP_ADD_TC(tp, pr50698);
+ ATF_TP_ADD_TC(tp, hypotl_near_underflow);
return atf_no_error();
}