158f0484fSRodney W. Grimes /*- 2*8a16b7a1SPedro F. Giffuni * SPDX-License-Identifier: BSD-3-Clause 3*8a16b7a1SPedro F. Giffuni * 458f0484fSRodney W. Grimes * Copyright (c) 1990, 1993 558f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 658f0484fSRodney W. Grimes * 758f0484fSRodney W. Grimes * This code is derived from software contributed to Berkeley by 858f0484fSRodney W. Grimes * Chris Torek. 958f0484fSRodney W. Grimes * 1058f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 1158f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 1258f0484fSRodney W. Grimes * are met: 1358f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 1458f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1558f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1658f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1758f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 18fbbd9655SWarner Losh * 3. Neither the name of the University nor the names of its contributors 1958f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 2058f0484fSRodney W. Grimes * without specific prior written permission. 2158f0484fSRodney W. Grimes * 2258f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2358f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2458f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2558f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2658f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2758f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2858f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2958f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3058f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3158f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3258f0484fSRodney W. Grimes * SUCH DAMAGE. 3358f0484fSRodney W. Grimes * 3458f0484fSRodney W. Grimes * @(#)floatio.h 8.1 (Berkeley) 6/4/93 351114a754SDavid E. O'Brien * $FreeBSD$ 3658f0484fSRodney W. Grimes */ 3758f0484fSRodney W. Grimes 3858f0484fSRodney W. Grimes /* 3958f0484fSRodney W. Grimes * Floating point scanf/printf (input/output) definitions. 4058f0484fSRodney W. Grimes */ 4158f0484fSRodney W. Grimes 4238cac8f8SDavid Schultz /* 4338cac8f8SDavid Schultz * MAXEXPDIG is the maximum number of decimal digits needed to store a 4438cac8f8SDavid Schultz * floating point exponent in the largest supported format. It should 4538cac8f8SDavid Schultz * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point 4638cac8f8SDavid Schultz * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it 4738cac8f8SDavid Schultz * is presently never greater than 5 in practice, we fudge it. 4838cac8f8SDavid Schultz */ 4938cac8f8SDavid Schultz #define MAXEXPDIG 6 5038cac8f8SDavid Schultz #if LDBL_MAX_EXP > 999999 5138cac8f8SDavid Schultz #error "floating point buffers too small" 5238cac8f8SDavid Schultz #endif 53ebbad5ecSDavid Schultz 5406c89bd5SDavid Schultz char *__hdtoa(double, const char *, int, int *, int *, char **); 5506c89bd5SDavid Schultz char *__hldtoa(long double, const char *, int, int *, int *, char **); 56ebbad5ecSDavid Schultz char *__ldtoa(long double *, int, int, int *, int *, char **); 57