t_floatunditf.c revision 272458
1184138Smav/* $NetBSD: t_floatunditf.c,v 1.5 2014/02/02 08:16:22 martin Exp $ */ 2184138Smav 3184138Smav/*- 4184138Smav * Copyright (c) 2014 The NetBSD Foundation, Inc. 5184138Smav * All rights reserved. 6184138Smav * 7184138Smav * Redistribution and use in source and binary forms, with or without 8184138Smav * modification, are permitted provided that the following conditions 9184138Smav * are met: 10184138Smav * 1. Redistributions of source code must retain the above copyright 11184138Smav * notice, this list of conditions and the following disclaimer. 12184138Smav * 2. Redistributions in binary form must reproduce the above copyright 13184138Smav * notice, this list of conditions and the following disclaimer in the 14184138Smav * documentation and/or other materials provided with the distribution. 15184138Smav * 16184138Smav * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17184138Smav * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18184138Smav * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19184138Smav * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20184138Smav * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21184138Smav * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22184138Smav * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23184138Smav * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24184138Smav * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25184138Smav * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26184138Smav * POSSIBILITY OF SUCH DAMAGE. 27184138Smav */ 28241600Sgonzo 29241600Sgonzo#include <atf-c.h> 30184138Smav#include <atf-c/config.h> 31241600Sgonzo#include <inttypes.h> 32241600Sgonzo#include <math.h> 33184138Smav 34241600Sgonzo#ifdef __HAVE_LONG_DOUBLE 35241600Sgonzostatic const struct { 36241600Sgonzo uint64_t u64; 37241600Sgonzo long double ld; 38241600Sgonzo} testcases[] = { 39241600Sgonzo { 0xffffffffffffffffULL, 0xf.fffffffffffffffp+60L }, 40241600Sgonzo { 0xfffffffffffffffeULL, 0xf.ffffffffffffffep+60L }, 41241600Sgonzo { 0xfffffffffffffffdULL, 0xf.ffffffffffffffdp+60L }, 42241600Sgonzo { 0xfffffffffffffffcULL, 0xf.ffffffffffffffcp+60L }, 43241600Sgonzo { 0x7fffffffffffffffULL, 0xf.ffffffffffffffep+59L }, 44241600Sgonzo { 0x3fffffffffffffffULL, 0xf.ffffffffffffffcp+58L }, 45241600Sgonzo { 0x1fffffffffffffffULL, 0xf.ffffffffffffff8p+57L }, 46241600Sgonzo { 0xfffffffffffffffULL, 0xf.ffffffffffffffp+56L }, 47241600Sgonzo { 0x7ffffffffffffffULL, 0xf.fffffffffffffep+55L }, 48241600Sgonzo { 0x3ffffffffffffffULL, 0xf.fffffffffffffcp+54L }, 49241600Sgonzo { 0x1ffffffffffffffULL, 0xf.fffffffffffff8p+53L }, 50241600Sgonzo { 0xffffffffffffffULL, 0xf.fffffffffffffp+52L }, 51241600Sgonzo { 0x7fffffffffffffULL, 0xf.ffffffffffffep+51L }, 52241600Sgonzo { 0x3fffffffffffffULL, 0xf.ffffffffffffcp+50L }, 53241600Sgonzo { 0x1fffffffffffffULL, 0xf.ffffffffffff8p+49L }, 54242320Sgonzo { 0xfffffffffffffULL, 0xf.ffffffffffffp+48L }, 55242320Sgonzo { 0x7ffffffffffffULL, 0xf.fffffffffffep+47L }, 56242320Sgonzo { 0x3ffffffffffffULL, 0xf.fffffffffffcp+46L }, 57242320Sgonzo { 0x1ffffffffffffULL, 0xf.fffffffffff8p+45L }, 58242320Sgonzo { 0xffffffffffffULL, 0xf.fffffffffffp+44L }, 59242320Sgonzo { 0x7fffffffffffULL, 0xf.ffffffffffep+43L }, 60254496Sian { 0x3fffffffffffULL, 0xf.ffffffffffcp+42L }, 61254496Sian { 0x1fffffffffffULL, 0xf.ffffffffff8p+41L }, 62276287Sian { 0xfffffffffffULL, 0xf.ffffffffffp+40L }, 63276287Sian { 0x7ffffffffffULL, 0xf.fffffffffep+39L }, 64278703Sian { 0x3ffffffffffULL, 0xf.fffffffffcp+38L }, 65278703Sian { 0x1ffffffffffULL, 0xf.fffffffff8p+37L }, 66184138Smav { 0xffffffffffULL, 0xf.fffffffffp+36L }, 67231266Sglebius { 0x7fffffffffULL, 0xf.ffffffffep+35L }, 68184138Smav { 0x3fffffffffULL, 0xf.ffffffffcp+34L }, 69184138Smav { 0x1fffffffffULL, 0xf.ffffffff8p+33L }, 70184138Smav { 0xfffffffffULL, 0xf.ffffffffp+32L }, 71184138Smav { 0x7ffffffffULL, 0xf.fffffffep+31L }, 72184138Smav { 0x3ffffffffULL, 0xf.fffffffcp+30L }, 73184138Smav { 0x1ffffffffULL, 0xf.fffffff8p+29L }, 74184138Smav { 0xffffffffULL, 0xf.fffffffp+28L }, 75184138Smav { 0x7fffffffULL, 0xf.ffffffep+27L }, 76184138Smav { 0x3fffffffULL, 0xf.ffffffcp+26L }, 77184138Smav { 0x1fffffffULL, 0xf.ffffff8p+25L }, 78184138Smav { 0xfffffffULL, 0xf.ffffffp+24L }, 79184138Smav { 0x7ffffffULL, 0xf.fffffep+23L }, 80184138Smav { 0x3ffffffULL, 0xf.fffffcp+22L }, 81184138Smav { 0x1ffffffULL, 0xf.fffff8p+21L }, 82184138Smav { 0xffffffULL, 0xf.fffffp+20L }, 83184138Smav { 0x7fffffULL, 0xf.ffffep+19L }, 84184138Smav { 0x3fffffULL, 0xf.ffffcp+18L }, 85184138Smav { 0x1fffffULL, 0xf.ffff8p+17L }, 86184138Smav { 0xfffffULL, 0xf.ffffp+16L }, 87184138Smav { 0x7ffffULL, 0xf.fffep+15L }, 88184138Smav { 0x3ffffULL, 0xf.fffcp+14L }, 89184138Smav { 0x1ffffULL, 0xf.fff8p+13L }, 90184138Smav { 0xffffULL, 0xf.fffp+12L }, 91184138Smav { 0x7fffULL, 0xf.ffep+11L }, 92184138Smav { 0x3fffULL, 0xf.ffcp+10L }, 93184138Smav { 0x1fffULL, 0xf.ff8p+9L }, 94184138Smav { 0xfffULL, 0xf.ffp+8L }, 95184138Smav { 0x7ffULL, 0xf.fep+7L }, 96184138Smav { 0x3ffULL, 0xf.fcp+6L }, 97184138Smav { 0x1ffULL, 0xf.f8p+5L }, 98184138Smav { 0xffULL, 0xf.fp+4L }, 99184138Smav { 0x7fULL, 0xf.ep+3L }, 100184138Smav { 0x3fULL, 0xf.cp+2L }, 101184138Smav { 0x1fULL, 0xf.8p+1L }, 102184138Smav { 0xfULL, 0xfp+0L }, 103184138Smav { 0x7ULL, 0xep-1L }, 104184138Smav { 0x3ULL, 0xcp-2L }, 105184138Smav { 0x1ULL, 0x8p-3L }, 106184138Smav}; 107184138Smav#endif 108184138Smav 109184138SmavATF_TC(floatunditf); 110184138SmavATF_TC_HEAD(floatunditf, tc) 111266198Sian{ 112184138Smav atf_tc_set_md_var(tc, "descr", 113184138Smav "Verify that uint64 -> long double conversion works"); 114184138Smav} 115184138Smav 116184138SmavATF_TC_BODY(floatunditf, tc) 117184138Smav{ 118184138Smav#ifndef __HAVE_LONG_DOUBLE 119184138Smav atf_tc_skip("Requires long double support"); 120266198Sian#else 121266198Sian size_t i; 122184138Smav 123184138Smav for (i = 0; i < __arraycount(testcases); ++i) 124184138Smav ATF_CHECK_MSG( 125184138Smav testcases[i].ld == (long double)testcases[i].u64, 126184138Smav "#%zu: expected %.20Lf, got %.20Lf\n", i, 127184138Smav testcases[i].ld, 128184138Smav (long double)testcases[i].u64); 129184138Smav#endif 130254424Sian} 131254424Sian 132184138SmavATF_TP_ADD_TCS(tp) 133184138Smav{ 134184138Smav ATF_TP_ADD_TC(tp, floatunditf); 135184138Smav return atf_no_error(); 136184138Smav} 137184138Smav