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 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 23 */ 24 /* 25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #ifndef _XPG6_H 30 #define _XPG6_H 31 32 /* 33 * The bits in lib/libc/inc/xpg6.h fpgroup may use as per PSARC/2003/486. 34 */ 35 36 /* 37 * If set, math library entry points present in SUSv2 deal with exceptional 38 * cases as per SUSv3 spec where math_errhandling is set to MATH_ERREXCEPT; 39 * otherwise they behave as per SUSv2 spec. 40 */ 41 #define _C99SUSv3_math_errexcept 0x00000400 42 /* 43 * If set, pow(+/-1,+/-Inf) & pow(1,NaN) return 1; otherwise NaN is returned. 44 * Analogous comment applies to powf and powl. 45 */ 46 #define _C99SUSv3_pow_treats_Inf_as_an_even_int 0x00000080 47 /* 48 * If set, logb(subnormal) returns (double) ilogb(subnormal); otherwise 49 * logb(subnormal) returns logb(DBL_MIN). Analogous comment applies to 50 * logbf and logbl. 51 */ 52 #define _C99SUSv3_logb_subnormal_is_like_ilogb 0x00000040 53 /* 54 * If set, ilogb(0/+Inf/-Inf/NaN) raises FE_INVALID as per SUSv3; otherwise 55 * no exception is raised. Analogous comment applies to ilogbf and ilogbl. 56 */ 57 #define _C99SUSv3_ilogb_0InfNaN_raises_invalid 0x00000020 58 59 /* 60 * __xpg6 = _C99SUSv3_mode_OFF disables C99/SUSv3 standards conformance mode. 61 */ 62 #define _C99SUSv3_mode_OFF 0xFFFF0000 63 64 #if !defined(_ASM) 65 extern unsigned int __xpg6; 66 #endif 67 68 #endif /* _XPG6_H */ 69