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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 #pragma ident "%Z%%M% %I% %E% SMI" 23 24 /* 25 * Copyright (c) 1987 by Sun Microsystems, Inc. 26 */ 27 28 /* 29 * contains definitions for variables for IEEE floating-point arithmetic 30 * modes; IEEE floating-point arithmetic exception handling; 31 */ 32 33 #include <floatingpoint.h> 34 35 enum fp_direction_type fp_direction; 36 /* 37 * Current rounding direction. Updated by ieee_flags. 38 */ 39 40 enum fp_precision_type fp_precision; 41 /* 42 * Current rounding precision. Updated by ieee_flags. 43 */ 44 45 sigfpe_handler_type ieee_handlers[N_IEEE_EXCEPTION]; 46 /* 47 * Array of pointers to functions to handle SIGFPE's corresponding to IEEE 48 * fp_exceptions. sigfpe_default means do not generate SIGFPE. An invalid 49 * address such as sigfpe_abort will cause abort on that SIGFPE. Updated by 50 * ieee_handler. 51 */ 52 fp_exception_field_type fp_accrued_exceptions; 53 /* 54 * Sticky accumulated exceptions, updated by ieee_flags. In hardware 55 * implementations this variable is not automatically updated as the hardware 56 * changes and should therefore not be relied on directly. 57 */ 58