Add a simple double -> unsigned conversion test for values that can not
be represented by the same sized signed integer type. According to ISO C this should work (and it works on i386), but it fails with the current toolchain on sparc64, triggering a softfloat libc bug.
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# $NetBSD: Makefile,v 1.33 2003/03/01 04:20:54 thorpej Exp $
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# $NetBSD: Makefile,v 1.34 2003/05/03 19:33:51 martin Exp $
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SUBDIR+= _setjmp atexit basename clone db dirname div divrem \
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SUBDIR+= _setjmp atexit basename clone convfp db dirname div divrem \
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gen getaddrinfo hsearch int_fmtio locale md5sha popen regex rpc \
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setjmp sigsetjmp stdlib string sys time
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.if (${MACHINE_ARCH} != "vax" && ${MACHINE_ARCH} != "m68000")
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# $NetBSD: Makefile,v 1.1 2003/05/03 19:33:52 martin Exp $
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NOMAN= # defined
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PROG= convfp
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regress: ${PROG}
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@./${PROG}
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.include <bsd.prog.mk>
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/* $NetBSD: convfp.c,v 1.1 2003/05/03 19:33:52 martin Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <limits.h>
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#include <stdio.h>
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/*
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* This value is representable as an unsigned int, but not as an int.
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* According to ISO C it must survive the convsion back from a double
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* to an unsigned int (everything > -1 and < UINT_MAX+1 has to)
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*/
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#define UINT_TESTVALUE (INT_MAX+42U)
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/* The same for unsigned long */
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#define ULONG_TESTVALUE (LONG_MAX+42UL)
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int
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main()
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{
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unsigned long ul;
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double d;
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unsigned int ui;
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/* unsigned int test */
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d = UINT_TESTVALUE;
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ui = (unsigned int)d;
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if (ui != UINT_TESTVALUE) {
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printf("FAILED: unsigned int %u (0x%x) != %u (0x%x)\n",
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ui, ui, UINT_TESTVALUE, UINT_TESTVALUE);
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exit(1);
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}
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d = ULONG_TESTVALUE;
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ul = (unsigned long)d;
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if (ul != ULONG_TESTVALUE) {
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printf("FAILED: unsigned long %lu (0x%lx) != %lu (0x%lu)\n",
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ul, ul, ULONG_TESTVALUE, ULONG_TESTVALUE);
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exit(1);
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}
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printf("PASSED\n");
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exit(0);
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}
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