diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/gen/t_floatunditf.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/gen/t_floatunditf.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/gen/t_floatunditf.c b/contrib/netbsd-tests/lib/libc/gen/t_floatunditf.c new file mode 100644 index 0000000..ef372f7 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/gen/t_floatunditf.c @@ -0,0 +1,135 @@ +/* $NetBSD: t_floatunditf.c,v 1.6 2014/11/04 00:20:19 justin Exp $ */ + +/*- + * Copyright (c) 2014 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 <inttypes.h> +#include <math.h> + +#ifdef __HAVE_LONG_DOUBLE +static const struct { + uint64_t u64; + long double ld; +} testcases[] = { + { 0xffffffffffffffffULL, 0xf.fffffffffffffffp+60L }, + { 0xfffffffffffffffeULL, 0xf.ffffffffffffffep+60L }, + { 0xfffffffffffffffdULL, 0xf.ffffffffffffffdp+60L }, + { 0xfffffffffffffffcULL, 0xf.ffffffffffffffcp+60L }, + { 0x7fffffffffffffffULL, 0xf.ffffffffffffffep+59L }, + { 0x3fffffffffffffffULL, 0xf.ffffffffffffffcp+58L }, + { 0x1fffffffffffffffULL, 0xf.ffffffffffffff8p+57L }, + { 0xfffffffffffffffULL, 0xf.ffffffffffffffp+56L }, + { 0x7ffffffffffffffULL, 0xf.fffffffffffffep+55L }, + { 0x3ffffffffffffffULL, 0xf.fffffffffffffcp+54L }, + { 0x1ffffffffffffffULL, 0xf.fffffffffffff8p+53L }, + { 0xffffffffffffffULL, 0xf.fffffffffffffp+52L }, + { 0x7fffffffffffffULL, 0xf.ffffffffffffep+51L }, + { 0x3fffffffffffffULL, 0xf.ffffffffffffcp+50L }, + { 0x1fffffffffffffULL, 0xf.ffffffffffff8p+49L }, + { 0xfffffffffffffULL, 0xf.ffffffffffffp+48L }, + { 0x7ffffffffffffULL, 0xf.fffffffffffep+47L }, + { 0x3ffffffffffffULL, 0xf.fffffffffffcp+46L }, + { 0x1ffffffffffffULL, 0xf.fffffffffff8p+45L }, + { 0xffffffffffffULL, 0xf.fffffffffffp+44L }, + { 0x7fffffffffffULL, 0xf.ffffffffffep+43L }, + { 0x3fffffffffffULL, 0xf.ffffffffffcp+42L }, + { 0x1fffffffffffULL, 0xf.ffffffffff8p+41L }, + { 0xfffffffffffULL, 0xf.ffffffffffp+40L }, + { 0x7ffffffffffULL, 0xf.fffffffffep+39L }, + { 0x3ffffffffffULL, 0xf.fffffffffcp+38L }, + { 0x1ffffffffffULL, 0xf.fffffffff8p+37L }, + { 0xffffffffffULL, 0xf.fffffffffp+36L }, + { 0x7fffffffffULL, 0xf.ffffffffep+35L }, + { 0x3fffffffffULL, 0xf.ffffffffcp+34L }, + { 0x1fffffffffULL, 0xf.ffffffff8p+33L }, + { 0xfffffffffULL, 0xf.ffffffffp+32L }, + { 0x7ffffffffULL, 0xf.fffffffep+31L }, + { 0x3ffffffffULL, 0xf.fffffffcp+30L }, + { 0x1ffffffffULL, 0xf.fffffff8p+29L }, + { 0xffffffffULL, 0xf.fffffffp+28L }, + { 0x7fffffffULL, 0xf.ffffffep+27L }, + { 0x3fffffffULL, 0xf.ffffffcp+26L }, + { 0x1fffffffULL, 0xf.ffffff8p+25L }, + { 0xfffffffULL, 0xf.ffffffp+24L }, + { 0x7ffffffULL, 0xf.fffffep+23L }, + { 0x3ffffffULL, 0xf.fffffcp+22L }, + { 0x1ffffffULL, 0xf.fffff8p+21L }, + { 0xffffffULL, 0xf.fffffp+20L }, + { 0x7fffffULL, 0xf.ffffep+19L }, + { 0x3fffffULL, 0xf.ffffcp+18L }, + { 0x1fffffULL, 0xf.ffff8p+17L }, + { 0xfffffULL, 0xf.ffffp+16L }, + { 0x7ffffULL, 0xf.fffep+15L }, + { 0x3ffffULL, 0xf.fffcp+14L }, + { 0x1ffffULL, 0xf.fff8p+13L }, + { 0xffffULL, 0xf.fffp+12L }, + { 0x7fffULL, 0xf.ffep+11L }, + { 0x3fffULL, 0xf.ffcp+10L }, + { 0x1fffULL, 0xf.ff8p+9L }, + { 0xfffULL, 0xf.ffp+8L }, + { 0x7ffULL, 0xf.fep+7L }, + { 0x3ffULL, 0xf.fcp+6L }, + { 0x1ffULL, 0xf.f8p+5L }, + { 0xffULL, 0xf.fp+4L }, + { 0x7fULL, 0xf.ep+3L }, + { 0x3fULL, 0xf.cp+2L }, + { 0x1fULL, 0xf.8p+1L }, + { 0xfULL, 0xfp+0L }, + { 0x7ULL, 0xep-1L }, + { 0x3ULL, 0xcp-2L }, + { 0x1ULL, 0x8p-3L }, +}; +#endif + +ATF_TC(floatunditf); +ATF_TC_HEAD(floatunditf, tc) +{ + atf_tc_set_md_var(tc, "descr", + "Verify that uint64 -> long double conversion works"); +} + +ATF_TC_BODY(floatunditf, tc) +{ +#ifndef __HAVE_LONG_DOUBLE + atf_tc_skip("Requires long double support"); +#else + size_t i; + + for (i = 0; i < __arraycount(testcases); ++i) + ATF_CHECK_MSG( + testcases[i].ld == (long double)testcases[i].u64, + "#%zu: expected %.20Lf, got %.20Lf\n", i, + testcases[i].ld, + (long double)testcases[i].u64); +#endif +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, floatunditf); + return atf_no_error(); +} |
