190075Sobrien/*- 290075Sobrien * Copyright (c) 2005-2008 David Schultz <das@FreeBSD.org> 3169689Skan * All rights reserved. 490075Sobrien * 590075Sobrien * Redistribution and use in source and binary forms, with or without 690075Sobrien * modification, are permitted provided that the following conditions 7132718Skan * are met: 890075Sobrien * 1. Redistributions of source code must retain the above copyright 9132718Skan * notice, this list of conditions and the following disclaimer. 10132718Skan * 2. Redistributions in binary form must reproduce the above copyright 11132718Skan * notice, this list of conditions and the following disclaimer in the 12132718Skan * documentation and/or other materials provided with the distribution. 1390075Sobrien * 14132718Skan * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15132718Skan * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16132718Skan * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17132718Skan * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1890075Sobrien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19132718Skan * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20132718Skan * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21169689Skan * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22169689Skan * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2390075Sobrien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24132718Skan * SUCH DAMAGE. 2590075Sobrien */ 2690075Sobrien 2790075Sobrien/* 2890075Sobrien * Test for lrint(), lrintf(), llrint(), and llrintf(). 2990075Sobrien */ 3090075Sobrien 3190075Sobrien#include <sys/cdefs.h> 3290075Sobrien#include <fenv.h> 33169689Skan#include <limits.h> 34169689Skan#include <math.h> 35169689Skan#include <stdio.h> 3690075Sobrien 37169689Skan#ifdef __i386__ 3890075Sobrien#include <ieeefp.h> 3990075Sobrien#endif 4090075Sobrien 41169689Skan#include "test-utils.h" 4290075Sobrien 4390075Sobrien#define test(func, x, result, excepts) do { \ 4490075Sobrien ATF_CHECK(feclearexcept(FE_ALL_EXCEPT) == 0); \ 45117395Skan long long _r = (func)(x); \ 4690075Sobrien ATF_CHECK_MSG(_r == (result) || fetestexcept(FE_INVALID), \ 4790075Sobrien #func "(%Lg) returned %lld, expected %lld", (long double)x, _r, \ 4890075Sobrien (long long)(result)); \ 4990075Sobrien CHECK_FP_EXCEPTIONS_MSG(excepts, FE_ALL_EXCEPT & ALL_STD_EXCEPT, \ 50132718Skan "for %s(%s)", #func, #x); \ 5190075Sobrien} while (0) 5290075Sobrien 5390075Sobrien#define testall(x, result, excepts) do { \ 5490075Sobrien test(lrint, x, result, excepts); \ 5590075Sobrien test(lrintf, x, result, excepts); \ 5690075Sobrien test(lrintl, x, result, excepts); \ 5790075Sobrien test(llrint, x, result, excepts); \ 5890075Sobrien test(llrintf, x, result, excepts); \ 5990075Sobrien test(llrintl, x, result, excepts); \ 6090075Sobrien} while (0) 6190075Sobrien 6296263Sobrien#define IGNORE 0 6396263Sobrien 6496263Sobrien#pragma STDC FENV_ACCESS ON 6590075Sobrien 66117395Skanstatic void 67117395Skanrun_tests(void) 6890075Sobrien{ 6990075Sobrien ATF_REQUIRE_EQ(0, fesetround(FE_DOWNWARD)); 7090075Sobrien testall(0.75, 0, FE_INEXACT); 7190075Sobrien testall(-0.5, -1, FE_INEXACT); 7290075Sobrien 7390075Sobrien ATF_REQUIRE_EQ(0, fesetround(FE_TONEAREST)); 7490075Sobrien testall(0.0, 0, 0); 7590075Sobrien testall(0.25, 0, FE_INEXACT); 7690075Sobrien testall(0.5, 0, FE_INEXACT); 7790075Sobrien testall(-2.5, -2, FE_INEXACT); 7890075Sobrien testall(1.0, 1, 0); 7990075Sobrien testall(0x12345000p0, 0x12345000, 0); 8090075Sobrien testall(0x1234.fp0, 0x1235, FE_INEXACT); 8190075Sobrien testall(INFINITY, IGNORE, FE_INVALID); 8290075Sobrien testall(NAN, IGNORE, FE_INVALID); 8390075Sobrien 8490075Sobrien#if (LONG_MAX == 0x7fffffffl) 8590075Sobrien ATF_REQUIRE_EQ(0, fesetround(FE_UPWARD)); 86 test(lrint, 0x7fffffff.8p0, IGNORE, FE_INVALID); 87 test(lrint, -0x80000000.4p0, (long)-0x80000000l, FE_INEXACT); 88 89 ATF_REQUIRE_EQ(0, fesetround(FE_DOWNWARD)); 90 test(lrint, -0x80000000.8p0, IGNORE, FE_INVALID); 91 test(lrint, 0x80000000.0p0, IGNORE, FE_INVALID); 92 test(lrint, 0x7fffffff.4p0, 0x7fffffffl, FE_INEXACT); 93 test(lrintf, 0x80000000.0p0f, IGNORE, FE_INVALID); 94 test(lrintf, 0x7fffff80.0p0f, 0x7fffff80l, 0); 95 96 ATF_REQUIRE_EQ(0, fesetround(FE_TOWARDZERO)); 97 test(lrint, 0x7fffffff.8p0, 0x7fffffffl, FE_INEXACT); 98 test(lrint, -0x80000000.8p0, -0x80000000l, FE_INEXACT); 99 test(lrint, 0x80000000.0p0, IGNORE, FE_INVALID); 100 test(lrintf, 0x80000000.0p0f, IGNORE, FE_INVALID); 101 test(lrintf, 0x7fffff80.0p0f, 0x7fffff80l, 0); 102#elif (LONG_MAX == 0x7fffffffffffffffll) 103 ATF_REQUIRE_EQ(0, fesetround(FE_TONEAREST)); 104 test(lrint, 0x8000000000000000.0p0, IGNORE, FE_INVALID); 105 test(lrintf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID); 106 test(lrint, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00l, 0); 107 test(lrintf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000l, 0); 108 test(lrint, -0x8000000000000800.0p0, IGNORE, FE_INVALID); 109 test(lrintf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID); 110 test(lrint, -0x8000000000000000.0p0, (long long)-0x8000000000000000ul, 0); 111 test(lrintf, -0x8000000000000000.0p0f, (long long)-0x8000000000000000ul, 0); 112#else 113#error "Unsupported long size" 114#endif 115 116#if (LLONG_MAX == 0x7fffffffffffffffLL) 117 ATF_REQUIRE_EQ(0, fesetround(FE_TONEAREST)); 118 test(llrint, 0x8000000000000000.0p0, IGNORE, FE_INVALID); 119 test(llrintf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID); 120 test(llrint, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00ll, 0); 121 test(llrintf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000ll, 0); 122 test(llrint, -0x8000000000000800.0p0, IGNORE, FE_INVALID); 123 test(llrintf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID); 124 test(llrint, -0x8000000000000000.0p0, (long long)-0x8000000000000000ull, 0); 125 test(llrintf, -0x8000000000000000.0p0f, (long long)-0x8000000000000000ull, 0); 126#else 127#error "Unsupported long long size" 128#endif 129} 130 131ATF_TC_WITHOUT_HEAD(lrint); 132ATF_TC_BODY(lrint, tc) 133{ 134 run_tests(); 135#ifdef __i386__ 136 fpsetprec(FP_PE); 137 run_tests(); 138#endif 139} 140 141ATF_TP_ADD_TCS(tp) 142{ 143 ATF_TP_ADD_TC(tp, lrint); 144 return (atf_no_error()); 145} 146