2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * These functions return the prevailing rounding mode per ANSI C spec:
2N/A * 0: toward zero
2N/A * 1: to nearest <<< default
2N/A * 2: toward positive infinity
2N/A * 3: toward negative infinity
2N/A * -1: indeterminable <<< never returned
2N/A */
2N/A
2N/A#include "lint.h"
2N/A#include <sys/types.h>
2N/A#include <floatingpoint.h>
2N/A#include "libc.h"
2N/A
2N/A#if defined(__sparc)
2N/A
2N/Aint
2N/A__flt_rounds(void)
2N/A{
2N/A switch (_QgetRD()) {
2N/A case fp_tozero:
2N/A return (0);
2N/A
2N/A case fp_positive:
2N/A return (2);
2N/A
2N/A case fp_negative:
2N/A return (3);
2N/A }
2N/A return (1);
2N/A}
2N/A
2N/A#elif defined(__i386) || defined(__amd64)
2N/A
2N/Aint
2N/A__fltrounds(void)
2N/A{
2N/A switch (__xgetRD()) {
2N/A case fp_tozero:
2N/A return (0);
2N/A
2N/A case fp_positive:
2N/A return (2);
2N/A
2N/A case fp_negative:
2N/A return (3);
2N/A }
2N/A return (1);
2N/A}
2N/A
2N/A#else
2N/A#error Unknown architecture
2N/A#endif