Import the NetBSD test suite from ^/vendor/NetBSD/tests/09.30.2014_20.45 ,

minus the vendor Makefiles

Provide directions for how to bootstrap the vendor sources in
FREEBSD-upgrade

MFC after 2 weeks
Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

1 files changed, 105 insertions, 0 deletions

diff --git a/contrib/netbsd-tests/lib/libm/t_acos.c b/contrib/netbsd-tests/lib/libm/t_acos.c
new file mode 100644
index 0000000..f051fb6
--- /dev/null
+++ b/contrib/netbsd-tests/lib/libm/t_acos.c
@@ -0,0 +1,105 @@
+/* $NetBSD: t_acos.c,v 1.10 2014/03/05 20:14:46 dsl Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * 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>
+#include "t_libm.h"
+
+/*
+ * acos(3) and acosf(3)
+ */
+
+ATF_LIBM_TEST(acos_is_nan, "Test acos/acosf(x) == NaN, x = NaN, +/-Inf, ![-1..1]")
+{
+	static const double x[] = {
+	    -1.000000001, 1.000000001,
+	    -1.0000001, 1.0000001,
+	    -1.1, 1.1,
+#ifndef __vax__
+	    T_LIBM_NAN,
+	    T_LIBM_MINUS_INF, T_LIBM_PLUS_INF,
+#endif
+	};
+	unsigned int i;
+
+	for (i = 0; i < __arraycount(x); i++) {
+		T_LIBM_CHECK_NAN(i, acos, x[i]);
+		if (i < 2)
+			/* Values are too small for float */
+			continue;
+		T_LIBM_CHECK_NAN(i, acosf, x[i]);
+	}
+}
+
+ATF_LIBM_TEST(acos_inrange, "Test acos/acosf(x) for some valid values")
+{
+	static const struct {
+		double x;
+		double y;
+	} values[] = {
+		{ -1,    M_PI,              },
+		{ -0.99, 3.000053180265366, },
+		{ -0.5,  2.094395102393195, },
+		{ -0.1,  1.670963747956456, },
+		{  0,    M_PI / 2,          },
+		{  0.1,  1.470628905633337, },
+		{  0.5,  1.047197551196598, },
+		{  0.99, 0.141539473324427, },
+	};
+	unsigned int i;
+
+	/*
+	 * Note that acos(x) might be calculated as atan2(sqrt(1-x*x),x).
+	 * This means that acos(-1) is atan2(+0,-1), if the sign is wrong
+	 * the value will be -M_PI (atan2(-0,-1)) not M_PI.
+	 */
+
+	for (i = 0; i < __arraycount(values); i++) {
+		T_LIBM_CHECK(i, acos, values[i].x, values[i].y, 1.0e-15);
+		T_LIBM_CHECK(i, acosf, values[i].x, values[i].y, 1.0e-5);
+	}
+}
+
+ATF_LIBM_TEST(acos_is_plus_zero, "Test acosf(1.0) == +0.0")
+{
+	T_LIBM_CHECK_PLUS_ZERO(0, acos, 1.0);
+	T_LIBM_CHECK_PLUS_ZERO(0, acosf, 1.0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+	ATF_TP_ADD_TC(tp, acos_inrange);
+	ATF_TP_ADD_TC(tp, acos_is_nan);
+	ATF_TP_ADD_TC(tp, acos_is_plus_zero);
+
+	return atf_no_error();
+}