1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 24 */ 25 /* 26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #pragma weak nanl = __nanl 31 32 #include "libm.h" 33 34 #if defined(__sparc) 35 36 static const union { 37 unsigned i[4]; 38 long double ld; 39 } __nanl_union = { 0x7fffffff, 0xffffffff, 0xffffffff, 0xffffffff }; 40 41 #elif defined(__x86) 42 43 static const union { 44 unsigned i[3]; 45 long double ld; 46 } __nanl_union = { 0xffffffff, 0xffffffff, 0x7fff }; 47 48 #else 49 #error Unknown architecture 50 #endif 51 52 /* ARGSUSED0 */ 53 long double 54 __nanl(const char *c) { 55 return (__nanl_union.ld); 56 } 57