/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

#include        "lint.h"
#include        <sys/types.h>
#include        <sys/dl.h>
#include        "libc.h"

dl_t
ldivide(dl_t lop, dl_t rop)
{
        int             cnt;
        dl_t            ans;
        dl_t            tmp;
        dl_t            div;

        if (lsign(lop))
                lop = lsub(lzero, lop);
        if (lsign(rop))
                rop = lsub(lzero, rop);

        ans = lzero;
        div = lzero;

        for (cnt = 0; cnt < 63; cnt++) {
                div = lshiftl(div, 1);
                lop = lshiftl(lop, 1);
                if (lsign(lop))
                        div.dl_lop |= 1;
                tmp = lsub(div, rop);
                ans = lshiftl(ans, 1);
                if (lsign(tmp) == 0) {
                        ans.dl_lop |= 1;
                        div = tmp;
                }
        }

        return (ans);
}