1/* $OpenBSD: fpclassify.c,v 1.1 2008/09/07 20:36:10 martynas Exp $ */ 2/*- 3 * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: src/tools/regression/lib/libc/gen/test-fpclassify.c,v 1.3 2003/03/27 05:32:28 das Exp $ 28 */ 29 30#include <assert.h> 31#include <float.h> 32#include <math.h> 33#include <stdlib.h> 34 35int 36main(void) 37{ 38 39 assert(fpclassify((float)0) == FP_ZERO); 40 assert(fpclassify((float)-0.0) == FP_ZERO); 41 assert(fpclassify((float)1) == FP_NORMAL); 42 assert(fpclassify((float)1000) == FP_NORMAL); 43#ifndef __alpha__ 44 assert(fpclassify(0x1.2p-150f) == FP_SUBNORMAL); 45#endif /* !__alpha__ */ 46 assert(fpclassify(HUGE_VALF) == FP_INFINITE); 47 assert(fpclassify((float)HUGE_VAL) == FP_INFINITE); 48 assert(fpclassify((float)HUGE_VALL) == FP_INFINITE); 49 assert(fpclassify(NAN) == FP_NAN); 50 51 assert(fpclassify((double)0) == FP_ZERO); 52 assert(fpclassify((double)-0) == FP_ZERO); 53 assert(fpclassify((double)1) == FP_NORMAL); 54 assert(fpclassify((double)1000) == FP_NORMAL); 55#ifndef __alpha__ 56 assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL); 57#endif /* !__alpha__ */ 58 assert(fpclassify(HUGE_VAL) == FP_INFINITE); 59 assert(fpclassify((double)HUGE_VALF) == FP_INFINITE); 60 assert(fpclassify((double)HUGE_VALL) == FP_INFINITE); 61 assert(fpclassify((double)NAN) == FP_NAN); 62 63 assert(fpclassify((long double)0) == FP_ZERO); 64 assert(fpclassify((long double)-0.0) == FP_ZERO); 65 assert(fpclassify((long double)1) == FP_NORMAL); 66 assert(fpclassify((long double)1000) == FP_NORMAL); 67#if (LDBL_MANT_DIG > DBL_MANT_DIG) 68 assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL); 69#endif /* (LDBL_MANT_DIG > DBL_MANT_DIG) */ 70 assert(fpclassify(HUGE_VALL) == FP_INFINITE); 71 assert(fpclassify((long double)HUGE_VALF) == FP_INFINITE); 72 assert(fpclassify((long double)HUGE_VAL) == FP_INFINITE); 73 assert(fpclassify((long double)NAN) == FP_NAN); 74 75 return (0); 76} 77