11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1990, 1993 31573Srgrimes * The Regents of the University of California. All rights reserved. 41573Srgrimes * 51573Srgrimes * This code is derived from software contributed to Berkeley by 61573Srgrimes * Chris Torek. 71573Srgrimes * 81573Srgrimes * Redistribution and use in source and binary forms, with or without 91573Srgrimes * modification, are permitted provided that the following conditions 101573Srgrimes * are met: 111573Srgrimes * 1. Redistributions of source code must retain the above copyright 121573Srgrimes * notice, this list of conditions and the following disclaimer. 131573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141573Srgrimes * notice, this list of conditions and the following disclaimer in the 151573Srgrimes * documentation and/or other materials provided with the distribution. 161573Srgrimes * 4. Neither the name of the University nor the names of its contributors 171573Srgrimes * may be used to endorse or promote products derived from this software 181573Srgrimes * without specific prior written permission. 191573Srgrimes * 201573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301573Srgrimes * SUCH DAMAGE. 311573Srgrimes * 321573Srgrimes * @(#)floatio.h 8.1 (Berkeley) 6/4/93 3392991Sobrien * $FreeBSD$ 341573Srgrimes */ 351573Srgrimes 361573Srgrimes/* 371573Srgrimes * Floating point scanf/printf (input/output) definitions. 381573Srgrimes */ 391573Srgrimes 40113142Sdas/* 41113142Sdas * MAXEXPDIG is the maximum number of decimal digits needed to store a 42113142Sdas * floating point exponent in the largest supported format. It should 43113142Sdas * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point 44113142Sdas * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it 45113142Sdas * is presently never greater than 5 in practice, we fudge it. 46113142Sdas */ 47113142Sdas#define MAXEXPDIG 6 48113142Sdas#if LDBL_MAX_EXP > 999999 49113142Sdas#error "floating point buffers too small" 50113142Sdas#endif 51113146Sdas 52124658Sdaschar *__hdtoa(double, const char *, int, int *, int *, char **); 53124658Sdaschar *__hldtoa(long double, const char *, int, int *, int *, char **); 54113146Sdaschar *__ldtoa(long double *, int, int, int *, int *, char **); 55