1*6812Sraf /* 2*6812Sraf * CDDL HEADER START 3*6812Sraf * 4*6812Sraf * The contents of this file are subject to the terms of the 5*6812Sraf * Common Development and Distribution License (the "License"). 6*6812Sraf * You may not use this file except in compliance with the License. 7*6812Sraf * 8*6812Sraf * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*6812Sraf * or http://www.opensolaris.org/os/licensing. 10*6812Sraf * See the License for the specific language governing permissions 11*6812Sraf * and limitations under the License. 12*6812Sraf * 13*6812Sraf * When distributing Covered Code, include this CDDL HEADER in each 14*6812Sraf * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*6812Sraf * If applicable, add the following below this CDDL HEADER, with the 16*6812Sraf * fields enclosed by brackets "[]" replaced with your own identifying 17*6812Sraf * information: Portions Copyright [yyyy] [name of copyright owner] 18*6812Sraf * 19*6812Sraf * CDDL HEADER END 20*6812Sraf */ 21*6812Sraf 22*6812Sraf /* 23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24*6812Sraf * Use is subject to license terms. 25*6812Sraf */ 26*6812Sraf 27*6812Sraf /* Copyright (c) 1988 AT&T */ 28*6812Sraf /* All Rights Reserved */ 29*6812Sraf 30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI" 31*6812Sraf 32*6812Sraf #include "lint.h" 33*6812Sraf #include <sys/types.h> 34*6812Sraf #include <sys/dl.h> 35*6812Sraf 36*6812Sraf dl_t llog10(dl_t val)37*6812Srafllog10(dl_t val) 38*6812Sraf { 39*6812Sraf dl_t result; 40*6812Sraf 41*6812Sraf result = lzero; 42*6812Sraf val = ldivide(val, lten); 43*6812Sraf 44*6812Sraf while (val.dl_hop != 0 || val.dl_lop != 0) { 45*6812Sraf val = ldivide(val, lten); 46*6812Sraf result = ladd(result, lone); 47*6812Sraf } 48*6812Sraf 49*6812Sraf return (result); 50*6812Sraf } 51