158f0484fSRodney W. Grimes /*- 258f0484fSRodney W. Grimes * Copyright (c) 1990, 1993 358f0484fSRodney W. Grimes * The Regents of the University of California. All rights reserved. 458f0484fSRodney W. Grimes * 558f0484fSRodney W. Grimes * This code is derived from software contributed to Berkeley by 658f0484fSRodney W. Grimes * Chris Torek. 758f0484fSRodney W. Grimes * 858f0484fSRodney W. Grimes * Redistribution and use in source and binary forms, with or without 958f0484fSRodney W. Grimes * modification, are permitted provided that the following conditions 1058f0484fSRodney W. Grimes * are met: 1158f0484fSRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 1258f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer. 1358f0484fSRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 1458f0484fSRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 1558f0484fSRodney W. Grimes * documentation and/or other materials provided with the distribution. 1658f0484fSRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 1758f0484fSRodney W. Grimes * must display the following acknowledgement: 1858f0484fSRodney W. Grimes * This product includes software developed by the University of 1958f0484fSRodney W. Grimes * California, Berkeley and its contributors. 2058f0484fSRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 2158f0484fSRodney W. Grimes * may be used to endorse or promote products derived from this software 2258f0484fSRodney W. Grimes * without specific prior written permission. 2358f0484fSRodney W. Grimes * 2458f0484fSRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2558f0484fSRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2658f0484fSRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2758f0484fSRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2858f0484fSRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2958f0484fSRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3058f0484fSRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3158f0484fSRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3258f0484fSRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3358f0484fSRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3458f0484fSRodney W. Grimes * SUCH DAMAGE. 3558f0484fSRodney W. Grimes * 3658f0484fSRodney W. Grimes * @(#)floatio.h 8.1 (Berkeley) 6/4/93 371114a754SDavid E. O'Brien * $FreeBSD$ 3858f0484fSRodney W. Grimes */ 3958f0484fSRodney W. Grimes 4058f0484fSRodney W. Grimes /* 4158f0484fSRodney W. Grimes * Floating point scanf/printf (input/output) definitions. 4258f0484fSRodney W. Grimes */ 4358f0484fSRodney W. Grimes 4438cac8f8SDavid Schultz /* 4538cac8f8SDavid Schultz * MAXEXPDIG is the maximum number of decimal digits needed to store a 4638cac8f8SDavid Schultz * floating point exponent in the largest supported format. It should 4738cac8f8SDavid Schultz * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point 4838cac8f8SDavid Schultz * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it 4938cac8f8SDavid Schultz * is presently never greater than 5 in practice, we fudge it. 5038cac8f8SDavid Schultz */ 5138cac8f8SDavid Schultz #define MAXEXPDIG 6 5238cac8f8SDavid Schultz #if LDBL_MAX_EXP > 999999 5338cac8f8SDavid Schultz #error "floating point buffers too small" 5438cac8f8SDavid Schultz #endif 55ebbad5ecSDavid Schultz 5606c89bd5SDavid Schultz char *__hdtoa(double, const char *, int, int *, int *, char **); 5706c89bd5SDavid Schultz char *__hldtoa(long double, const char *, int, int *, int *, char **); 58ebbad5ecSDavid Schultz char *__ldtoa(long double *, int, int, int *, int *, char **); 59