55 lines
2.4 KiB
C
55 lines
2.4 KiB
C
/*-
|
|
* Copyright (c) 1990, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Chris Torek.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)floatio.h 8.1 (Berkeley) 6/4/93
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Floating point scanf/printf (input/output) definitions.
|
|
*/
|
|
|
|
/*
|
|
* MAXEXPDIG is the maximum number of decimal digits needed to store a
|
|
* floating point exponent in the largest supported format. It should
|
|
* be ceil(log10(LDBL_MAX_10_EXP)) or, if hexadecimal floating point
|
|
* conversions are supported, ceil(log10(LDBL_MAX_EXP)). But since it
|
|
* is presently never greater than 5 in practice, we fudge it.
|
|
*/
|
|
#define MAXEXPDIG 6
|
|
#if LDBL_MAX_EXP > 999999
|
|
#error "floating point buffers too small"
|
|
#endif
|
|
|
|
char *__hdtoa(double, const char *, int, int *, int *, char **);
|
|
char *__hldtoa(long double, const char *, int, int *, int *, char **);
|
|
char *__ldtoa(long double *, int, int, int *, int *, char **);
|