[src/trunk]: src/tests/lib/libm Add some tests of hypot() and hypotf()

[gson <gson%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8e73ae466351
branches:  trunk
changeset: 813345:8e73ae466351
user:      gson <gson%NetBSD.org@localhost>
date:      Sun Jan 24 20:26:47 2016 +0000

description:
Add some tests of hypot() and hypotf()

diffstat:

 tests/lib/libm/Makefile  |   3 +-
 tests/lib/libm/t_hypot.c |  81 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+), 1 deletions(-)

diffs (102 lines):

diff -r 036219dcafa6 -r 8e73ae466351 tests/lib/libm/Makefile
--- a/tests/lib/libm/Makefile   Sun Jan 24 20:15:11 2016 +0000
+++ b/tests/lib/libm/Makefile   Sun Jan 24 20:26:47 2016 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.36 2015/12/22 14:27:51 christos Exp $
+# $NetBSD: Makefile,v 1.37 2016/01/24 20:26:47 gson Exp $
 
 .include <bsd.own.mk>
 
@@ -22,6 +22,7 @@
 TESTS_C+=      t_exp
 TESTS_C+=      t_fenv
 TESTS_C+=      t_fmod
+TESTS_C+=      t_hypot
 TESTS_C+=      t_infinity
 TESTS_C+=      t_ldexp
 TESTS_C+=      t_log
diff -r 036219dcafa6 -r 8e73ae466351 tests/lib/libm/t_hypot.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libm/t_hypot.c  Sun Jan 24 20:26:47 2016 +0000
@@ -0,0 +1,81 @@
+/* $NetBSD: t_hypot.c,v 1.1 2016/01/24 20:26:47 gson Exp $ */
+
+/*-
+ * Copyright (c) 2016 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <atf-c.h>
+#include <math.h>
+
+ATF_TC(hypot_integer);
+ATF_TC_HEAD(hypot_integer, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test hypot with integer args");
+}
+
+ATF_TC_BODY(hypot_integer, tc)
+{
+       /* volatile so hypotf() won't be evaluated at compile time */
+       volatile double a = 5;
+       volatile double b = 12;
+       ATF_CHECK(hypot(a, b) == 13.0);
+}
+
+ATF_TC(hypotf_integer);
+ATF_TC_HEAD(hypotf_integer, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test hypotf with integer args");
+}
+
+ATF_TC_BODY(hypotf_integer, tc)
+{
+       volatile float a = 5;
+       volatile float b = 12;
+       ATF_CHECK(hypotf(a, b) == 13.0f);
+}
+
+ATF_TC(pr50698);
+ATF_TC_HEAD(pr50698, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Check for the bug of PR 50698");
+}
+
+ATF_TC_BODY(pr50698, tc)
+{
+       volatile float a = 1e-18f;
+       float val = hypotf(a, a);
+       ATF_CHECK(!isinf(val));
+       ATF_CHECK(!isnan(val));
+}
+
+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);
+
+       return atf_no_error();
+}