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authorngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
committerngie <ngie@FreeBSD.org>2014-10-02 23:26:49 +0000
commit3f09b8d0af642c2aeb96a4d667cefb7fe3bce443 (patch)
tree544932e2a2c5a5a202b752beefba0b3e327b3858 /contrib/netbsd-tests/lib/libc/gen/t_fpclassify.c
parentb941fec92da62b0eab650295f4e8a381dbbc04b4 (diff)
parente1f2d32c0e0678782c353c48364cddedfae58b0a (diff)
downloadFreeBSD-src-3f09b8d0af642c2aeb96a4d667cefb7fe3bce443.zip
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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
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/gen/t_fpclassify.c')
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diff --git a/contrib/netbsd-tests/lib/libc/gen/t_fpclassify.c b/contrib/netbsd-tests/lib/libc/gen/t_fpclassify.c
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+++ b/contrib/netbsd-tests/lib/libc/gen/t_fpclassify.c
@@ -0,0 +1,206 @@
+/* $NetBSD: t_fpclassify.c,v 1.3 2011/10/01 21:47:08 christos Exp $ */
+
+/*-
+ * Copyright (c) 2011 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 <float.h>
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+#ifndef _FLOAT_IEEE754
+
+ATF_TC(no_test);
+ATF_TC_HEAD(no_test, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Dummy test");
+}
+
+ATF_TC_BODY(no_test,tc)
+{
+ atf_tc_skip("Test not available on this architecture");
+}
+
+#else /* defined(_FLOAT_IEEE754) */
+
+ATF_TC(fpclassify_float);
+ATF_TC_HEAD(fpclassify_float, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Test float operations");
+}
+
+ATF_TC_BODY(fpclassify_float, tc)
+{
+ float d0, d1, d2, f, ip;
+ int e, i;
+
+ d0 = FLT_MIN;
+ ATF_REQUIRE_EQ(fpclassify(d0), FP_NORMAL);
+ f = frexpf(d0, &e);
+ ATF_REQUIRE_EQ(e, FLT_MIN_EXP);
+ ATF_REQUIRE_EQ(f, 0.5);
+ d1 = d0;
+
+ /* shift a "1" bit through the mantissa (skip the implicit bit) */
+ for (i = 1; i < FLT_MANT_DIG; i++) {
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_SUBNORMAL);
+ ATF_REQUIRE(d1 > 0 && d1 < d0);
+
+ d2 = ldexpf(d0, -i);
+ ATF_REQUIRE_EQ(d2, d1);
+
+ d2 = modff(d1, &ip);
+ ATF_REQUIRE_EQ(d2, d1);
+ ATF_REQUIRE_EQ(ip, 0);
+
+ f = frexpf(d1, &e);
+ ATF_REQUIRE_EQ(e, FLT_MIN_EXP - i);
+ ATF_REQUIRE_EQ(f, 0.5);
+ }
+
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_ZERO);
+ f = frexpf(d1, &e);
+ ATF_REQUIRE_EQ(e, 0);
+ ATF_REQUIRE_EQ(f, 0);
+}
+
+ATF_TC(fpclassify_double);
+ATF_TC_HEAD(fpclassify_double, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Test double operations");
+}
+
+ATF_TC_BODY(fpclassify_double, tc)
+{
+ double d0, d1, d2, f, ip;
+ int e, i;
+
+ d0 = DBL_MIN;
+ ATF_REQUIRE_EQ(fpclassify(d0), FP_NORMAL);
+ f = frexp(d0, &e);
+ ATF_REQUIRE_EQ(e, DBL_MIN_EXP);
+ ATF_REQUIRE_EQ(f, 0.5);
+ d1 = d0;
+
+ /* shift a "1" bit through the mantissa (skip the implicit bit) */
+ for (i = 1; i < DBL_MANT_DIG; i++) {
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_SUBNORMAL);
+ ATF_REQUIRE(d1 > 0 && d1 < d0);
+
+ d2 = ldexp(d0, -i);
+ ATF_REQUIRE_EQ(d2, d1);
+
+ d2 = modf(d1, &ip);
+ ATF_REQUIRE_EQ(d2, d1);
+ ATF_REQUIRE_EQ(ip, 0);
+
+ f = frexp(d1, &e);
+ ATF_REQUIRE_EQ(e, DBL_MIN_EXP - i);
+ ATF_REQUIRE_EQ(f, 0.5);
+ }
+
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_ZERO);
+ f = frexp(d1, &e);
+ ATF_REQUIRE_EQ(e, 0);
+ ATF_REQUIRE_EQ(f, 0);
+}
+
+/*
+ * XXX NetBSD doesn't have long-double flavors of frexp, ldexp, and modf,
+ * XXX so this test is disabled.
+ */
+
+#ifdef TEST_LONG_DOUBLE
+
+ATF_TC(fpclassify_long_double);
+ATF_TC_HEAD(fpclassify_long_double, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Test long double operations");
+}
+
+ATF_TC_BODY(fpclassify_long_double, tc)
+{
+ long double d0, d1, d2, f, ip;
+ int e, i;
+
+ d0 = LDBL_MIN;
+ ATF_REQUIRE_EQ(fpclassify(d0), FP_NORMAL);
+ f = frexpl(d0, &e);
+ ATF_REQUIRE_EQ(e, LDBL_MIN_EXP);
+ ATF_REQUIRE_EQ(f, 0.5);
+ d1 = d0;
+
+ /* shift a "1" bit through the mantissa (skip the implicit bit) */
+ for (i = 1; i < LDBL_MANT_DIG; i++) {
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_SUBNORMAL);
+ ATF_REQUIRE(d1 > 0 && d1 < d0);
+
+ d2 = ldexpl(d0, -i);
+ ATF_REQUIRE_EQ(d2, d1);
+
+ d2 = modfl(d1, &ip);
+ ATF_REQUIRE_EQ(d2, d1);
+ ATF_REQUIRE_EQ(ip, 0);
+
+ f = frexpl(d1, &e);
+ ATF_REQUIRE_EQ(e, LDBL_MIN_EXP - i);
+ ATF_REQUIRE_EQ(f, 0.5);
+ }
+
+ d1 /= 2;
+ ATF_REQUIRE_EQ(fpclassify(d1), FP_ZERO);
+ f = frexpl(d1, &e);
+ ATF_REQUIRE_EQ(e, 0);
+ ATF_REQUIRE_EQ(f, 0);
+}
+#endif /* TEST_LONG_DOUBLE */
+#endif /* _FLOAT_IEEE754 */
+
+ATF_TP_ADD_TCS(tp)
+{
+
+#ifndef _FLOAT_IEEE754
+ ATF_TP_ADD_TC(tp, no_test);
+#else
+ ATF_TP_ADD_TC(tp, fpclassify_float);
+ ATF_TP_ADD_TC(tp, fpclassify_double);
+#ifdef TEST_LONG_DOUBLE
+ ATF_TP_ADD_TC(tp, fpclassify_long_double);
+#endif /* TEST_LONG_DOUBLE */
+#endif /* _FLOAT_IEEE754 */
+
+ return atf_no_error();
+}
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