1#!/bin/sh 2 3# 4# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28# $FreeBSD$ 29# 30 31# Regression test for FPU changes in r208833 32 33. ../default.cfg 34 35here=`pwd` 36cd /tmp 37sed '1,/^EOF/d' < $here/$0 > fpu.c 38cc -o fpu -Wall -O2 fpu.c 39rm -f fpu.c 40[ -d $RUNDIR ] || mkdir -p $RUNDIR 41cd $RUNDIR 42 43r=`/tmp/fpu` 44[ "$r" = "-0.000000017, 0.000000000, 0.000000000" ] || echo $r 45 46cd $here 47rm -f /tmp/fpu 48 49exit 0 50EOF 51#include <sys/types.h> 52#include <signal.h> 53#include <stdio.h> 54#include <stdlib.h> 55#include <sys/wait.h> 56#include <unistd.h> 57 58void 59handler(int i) 60{ 61} 62 63void 64test() 65{ 66 float val = 0; 67 double lval = 0; 68 long double llval = 0; 69 int i, j; 70 71 for (i = 0; i < 100000; i++) { 72 for (j = 0; j < 100000; j++) { 73 val = val + 0.00001; 74 lval = lval + 0.00001; 75 llval = llval + 0.00001; 76 } 77 for (j = 0; j < 100000; j++) { 78 val = val - 0.00001; 79 lval = lval - 0.00001; 80 llval = llval - 0.00001; 81 } 82 } 83 printf("%.9f, %.9f, %.9Lf\n", val, lval, llval); 84 exit(0); 85 86} 87 88int 89main() 90{ 91 pid_t pid; 92 int i; 93 94 signal(SIGHUP, handler); 95 96 if ((pid = fork()) == 0) 97 test(); 98 99 for (i = 0; i < 10000; i++) 100 kill(pid, SIGHUP); 101 102 wait(NULL); 103 104 return (0); 105} 106