Update version to 0.16
[ust.git] / snprintf / floatio.h
CommitLineData
bf0d695d
PMF
1/* $OpenBSD: floatio.h,v 1.4 2008/09/07 20:36:08 martynas Exp $ */
2
3/*-
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Chris Torek.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35/*
36 * Floating point scanf/printf (input/output) definitions.
37 */
38
39/* 11-bit exponent (VAX G floating point) is 308 decimal digits */
40#define MAXEXP 308
41/* 128 bit fraction takes up 39 decimal digits; max reasonable precision */
42#define MAXFRACT 39
43
44/*
45 * MAXEXPDIG is the maximum number of decimal digits needed to store a
46 * floating point exponent in the largest supported format. It should
47 * be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point
48 * conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it
49 * is presently never greater than 5 in practice, we fudge it.
50 */
51#define MAXEXPDIG 6
52#if LDBL_MAX_EXP > 999999
53#error "floating point buffers too small"
54#endif
55
56char *__hdtoa(double, const char *, int, int *, int *, char **);
57char *__hldtoa(long double, const char *, int, int *, int *, char **);
58char *__ldtoa(long double *, int, int, int *, int *, char **);
This page took 0.04483 seconds and 4 git commands to generate.