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, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * 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 * Copyright (c) 1994-1997, by Sun Microsystems, Inc.
2N/A * All rights reserved.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * __dtoul(x) converts double x to unsigned long.
2N/A */
2N/Aunsigned long
2N/A__dtoul(double x)
2N/A{
2N/A union {
2N/A double d;
2N/A unsigned long l;
2N/A } u;
2N/A
2N/A u.d = x;
2N/A
2N/A /* handle cases for which double->unsigned long differs from */
2N/A /* double->signed long */
2N/A if ((u.l >> 52) == 0x43e) {
2N/A /* 2^63 <= x < 2^64 */
2N/A return (0x8000000000000000ul | (u.l << 11));
2N/A }
2N/A
2N/A /* for all other cases, just convert to signed long */
2N/A return ((long)x);
2N/A}