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 __fegetprec = fegetprec 31 #pragma weak __fesetprec = fesetprec 32 33 #include <fenv.h> 34 #include <ucontext.h> 35 #include <thread.h> 36 #include "fex_handler.h" 37 38 int fegetprec(void) 39 { 40 unsigned long fsr; 41 42 __fenv_getfsr(&fsr); 43 return __fenv_get_rp(fsr); 44 } 45 46 int fesetprec(int r) 47 { 48 unsigned long fsr; 49 50 if (r != FE_FLTPREC && r != FE_DBLPREC && r != FE_LDBLPREC) 51 return 0; 52 __fenv_getfsr(&fsr); 53 __fenv_set_rp(fsr, r); 54 __fenv_setfsr(&fsr); 55 return 1; 56 } 57