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[src/trunk]: src Some tests for sine, cosine, and tangent.
details: https://anonhg.NetBSD.org/src/rev/8e249582f0c9
branches: trunk
changeset: 769549:8e249582f0c9
user: jruoho <jruoho%NetBSD.org@localhost>
date: Wed Sep 14 05:18:18 2011 +0000
description:
Some tests for sine, cosine, and tangent.
diffstat:
distrib/sets/lists/tests/mi | 8 +-
tests/lib/libm/Makefile | 5 +-
tests/lib/libm/t_cos.c | 277 ++++++++++++++++++++++++++++++++++++++++++++
tests/lib/libm/t_sin.c | 277 ++++++++++++++++++++++++++++++++++++++++++++
tests/lib/libm/t_tan.c | 274 +++++++++++++++++++++++++++++++++++++++++++
5 files changed, 839 insertions(+), 2 deletions(-)
diffs (truncated from 906 to 300 lines):
diff -r c6e72c846514 -r 8e249582f0c9 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Tue Sep 13 19:55:28 2011 +0000
+++ b/distrib/sets/lists/tests/mi Wed Sep 14 05:18:18 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.384 2011/09/12 16:48:48 jruoho Exp $
+# $NetBSD: mi,v 1.385 2011/09/14 05:18:18 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -547,6 +547,7 @@
./usr/libdata/debug/usr/tests/lib/libevent/h_event.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libm tests-lib-debug
./usr/libdata/debug/usr/tests/lib/libm/t_ceil.debug tests-lib-debug debug,atf
+./usr/libdata/debug/usr/tests/lib/libm/t_cos.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libm/t_floor.debug tests-obsolete obsolete
./usr/libdata/debug/usr/tests/lib/libm/t_infinity.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libm/t_ldexp.debug tests-lib-debug debug,atf
@@ -554,6 +555,8 @@
./usr/libdata/debug/usr/tests/lib/libm/t_libm.debug tests-obsolete obsolete
./usr/libdata/debug/usr/tests/lib/libm/t_round.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libm/t_scalbn.debug tests-lib-debug debug,atf
+./usr/libdata/debug/usr/tests/lib/libm/t_sin.debug tests-lib-debug debug,atf
+./usr/libdata/debug/usr/tests/lib/libm/t_tan.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libm/t_tanh.debug tests-lib-debug debug,atf
./usr/libdata/debug/usr/tests/lib/libobjc tests-lib-debug
./usr/libdata/debug/usr/tests/lib/libobjc/t_threads.debug tests-lib-debug debug,atf
@@ -2253,6 +2256,7 @@
./usr/tests/lib/libm tests-lib-tests atf
./usr/tests/lib/libm/Atffile tests-lib-tests atf
./usr/tests/lib/libm/t_ceil tests-lib-tests atf
+./usr/tests/lib/libm/t_cos tests-lib-tests atf
./usr/tests/lib/libm/t_floor tests-obsolete obsolete
./usr/tests/lib/libm/t_infinity tests-lib-tests atf
./usr/tests/lib/libm/t_ldexp tests-lib-tests atf
@@ -2260,6 +2264,8 @@
./usr/tests/lib/libm/t_libm tests-obsolete obsolete
./usr/tests/lib/libm/t_round tests-lib-tests atf
./usr/tests/lib/libm/t_scalbn tests-lib-tests atf
+./usr/tests/lib/libm/t_sin tests-lib-tests atf
+./usr/tests/lib/libm/t_tan tests-lib-tests atf
./usr/tests/lib/libm/t_tanh tests-lib-tests atf
./usr/tests/lib/libobjc tests-lib-tests atf
./usr/tests/lib/libobjc/Atffile tests-lib-tests atf
diff -r c6e72c846514 -r 8e249582f0c9 tests/lib/libm/Makefile
--- a/tests/lib/libm/Makefile Tue Sep 13 19:55:28 2011 +0000
+++ b/tests/lib/libm/Makefile Wed Sep 14 05:18:18 2011 +0000
@@ -1,15 +1,18 @@
-# $NetBSD: Makefile,v 1.8 2011/09/12 16:48:48 jruoho Exp $
+# $NetBSD: Makefile,v 1.9 2011/09/14 05:18:19 jruoho Exp $
.include <bsd.own.mk>
TESTSDIR= ${TESTSBASE}/lib/libm
TESTS_C+= t_ceil
+TESTS_C+= t_cos
TESTS_C+= t_infinity
TESTS_C+= t_ldexp
TESTS_C+= t_log
TESTS_C+= t_round
TESTS_C+= t_scalbn
+TESTS_C+= t_sin
+TESTS_C+= t_tan
TESTS_C+= t_tanh
LDADD+= -lm
diff -r c6e72c846514 -r 8e249582f0c9 tests/lib/libm/t_cos.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libm/t_cos.c Wed Sep 14 05:18:18 2011 +0000
@@ -0,0 +1,277 @@
+/* $NetBSD: t_cos.c,v 1.1 2011/09/14 05:18:19 jruoho 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>
+
+static const struct {
+ int angle;
+ double x;
+ double y;
+} angles[] = {
+ { -180, -3.141592653589793, -1.0000000000000000 },
+ { -135, -2.356194490192345, -0.7071067811865476 },
+ { -90, -1.570796326794897, 0.0000000000000000 },
+ { -45, -0.785398163397448, 0.7071067811865476 },
+ { 0, 0.000000000000000, 1.0000000000000000 },
+ { 30, 0.523598775598299, 0.8660254037844386 },
+ { 45, 0.785398163397448, 0.7071067811865476 },
+ { 60, 1.047197551196598, 0.5000000000000000 },
+ { 90, 1.570796326794897, 0.0000000000000000 },
+ { 120, 2.094395102393195, -0.5000000000000000 },
+ { 135, 2.356194490192345, -0.7071067811865476 },
+ { 150, 2.617993877991494, -0.8660254037844386 },
+ { 180, 3.141592653589793, -1.0000000000000000 },
+ { 270, 4.712388980384690, 0.0000000000000000 },
+ { 360, 6.283185307179586, 1.0000000000000000 }
+};
+
+/*
+ * cos(3)
+ */
+ATF_TC(cos_angles);
+ATF_TC_HEAD(cos_angles, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test some selected angles");
+}
+
+ATF_TC_BODY(cos_angles, tc)
+{
+ const double eps = 1.0e-15;
+ size_t i;
+
+ for (i = 0; i < __arraycount(angles); i++) {
+
+ if (fabs(cos(angles[i].x) - angles[i].y) > eps)
+ atf_tc_fail_nonfatal("cos(%d deg) != %0.01f",
+ angles[i].angle, angles[i].y);
+ }
+}
+
+ATF_TC(cos_nan);
+ATF_TC_HEAD(cos_nan, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cos(NaN) == NaN");
+}
+
+ATF_TC_BODY(cos_nan, tc)
+{
+#ifndef __vax__
+ const double x = 0.0L / 0.0L;
+
+ ATF_CHECK(isnan(x) != 0);
+ ATF_CHECK(isnan(cos(x)) != 0);
+#endif
+}
+
+ATF_TC(cos_inf_neg);
+ATF_TC_HEAD(cos_inf_neg, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cos(-Inf) == NaN");
+}
+
+ATF_TC_BODY(cos_inf_neg, tc)
+{
+#ifndef __vax__
+ const double x = -1.0L / 0.0L;
+
+ ATF_CHECK(isnan(cos(x)) != 0);
+#endif
+}
+
+ATF_TC(cos_inf_pos);
+ATF_TC_HEAD(cos_inf_pos, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cos(+Inf) == NaN");
+}
+
+ATF_TC_BODY(cos_inf_pos, tc)
+{
+#ifndef __vax__
+ const double x = 1.0L / 0.0L;
+
+ ATF_CHECK(isnan(cos(x)) != 0);
+#endif
+}
+
+
+ATF_TC(cos_zero_neg);
+ATF_TC_HEAD(cos_zero_neg, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cos(-0.0) == 1.0");
+}
+
+ATF_TC_BODY(cos_zero_neg, tc)
+{
+#ifndef __vax__
+ const double x = -0.0L;
+
+ ATF_CHECK(cos(x) == 1.0);
+#endif
+}
+
+ATF_TC(cos_zero_pos);
+ATF_TC_HEAD(cos_zero_pos, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cos(+0.0) == 1.0");
+}
+
+ATF_TC_BODY(cos_zero_pos, tc)
+{
+#ifndef __vax__
+ const double x = 0.0L;
+
+ ATF_CHECK(cos(x) == 1.0);
+#endif
+}
+
+/*
+ * cosf(3)
+ */
+ATF_TC(cosf_angles);
+ATF_TC_HEAD(cosf_angles, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test some selected angles");
+}
+
+ATF_TC_BODY(cosf_angles, tc)
+{
+ const float eps = 1.0e-7;
+ float x, y;
+ size_t i;
+
+ for (i = 0; i < __arraycount(angles); i++) {
+
+ x = angles[i].x;
+ y = angles[i].y;
+
+ if (fabs(cosf(x) - y) > eps)
+ atf_tc_fail_nonfatal("cosf(%d deg) != %0.01f",
+ angles[i].angle, angles[i].y);
+ }
+}
+
+ATF_TC(cosf_nan);
+ATF_TC_HEAD(cosf_nan, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cosf(NaN) == NaN");
+}
+
+ATF_TC_BODY(cosf_nan, tc)
+{
+#ifndef __vax__
+ const float x = 0.0L / 0.0L;
+
+ ATF_CHECK(isnan(x) != 0);
+ ATF_CHECK(isnan(cosf(x)) != 0);
+#endif
+}
+
+ATF_TC(cosf_inf_neg);
+ATF_TC_HEAD(cosf_inf_neg, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cosf(-Inf) == NaN");
+}
+
+ATF_TC_BODY(cosf_inf_neg, tc)
+{
+#ifndef __vax__
+ const float x = -1.0L / 0.0L;
+
+ ATF_CHECK(isnan(cosf(x)) != 0);
+#endif
+}
+
+ATF_TC(cosf_inf_pos);
+ATF_TC_HEAD(cosf_inf_pos, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test cosf(+Inf) == NaN");
+}
+
+ATF_TC_BODY(cosf_inf_pos, tc)
+{
+#ifndef __vax__
+ const float x = 1.0L / 0.0L;
+
+ ATF_CHECK(isnan(cosf(x)) != 0);
+#endif
+}
+
+
+ATF_TC(cosf_zero_neg);
+ATF_TC_HEAD(cosf_zero_neg, tc)
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