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 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #pragma weak ldivide = _ldivide 34 #include "synonyms.h" 35 #include <sys/types.h> 36 #include <sys/dl.h> 37 #include "libc.h" 38 39 dl_t 40 ldivide(dl_t lop, dl_t rop) 41 { 42 int cnt; 43 dl_t ans; 44 dl_t tmp; 45 dl_t div; 46 47 if (lsign(lop)) 48 lop = lsub(lzero, lop); 49 if (lsign(rop)) 50 rop = lsub(lzero, rop); 51 52 ans = lzero; 53 div = lzero; 54 55 for (cnt = 0; cnt < 63; cnt++) { 56 div = lshiftl(div, 1); 57 lop = lshiftl(lop, 1); 58 if (lsign(lop)) 59 div.dl_lop |= 1; 60 tmp = lsub(div, rop); 61 ans = lshiftl(ans, 1); 62 if (lsign(tmp) == 0) { 63 ans.dl_lop |= 1; 64 div = tmp; 65 } 66 } 67 68 return (ans); 69 } 70