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/* [efg]cvt -- compatibility functions for floating point formatting.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <stdio.h>
#include <stdlib.h>
#include <float.h>
#ifndef FLOAT_TYPE
#define FLOAT_TYPE double
#define FUNC_PREFIX
#define FLOAT_FMT_FLAG
#define MAXDIG (DBL_DIG + DBL_MAX_10_EXP)
#endif
#define APPEND(a, b) APPEND2 (a, b)
#define APPEND2(a, b) a##b
char *
APPEND (FUNC_PREFIX, fcvt) (value, ndigit, decpt, sign)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
{
static char buf[MAXDIG];
(void) fcvt_r (value, ndigit, decpt, sign, buf, sizeof buf);
return buf;
}
char *
APPEND (FUNC_PREFIX, ecvt) (value, ndigit, decpt, sign)
FLOAT_TYPE value;
int ndigit, *decpt, *sign;
{
static char buf[MAXDIG];
(void) ecvt_r (value, ndigit, decpt, sign, buf, sizeof buf);
return buf;
}
char *
APPEND (FUNC_PREFIX, gcvt) (value, ndigit, buf)
FLOAT_TYPE value;
int ndigit;
char *buf;
{
sprintf (buf, "%.*" FLOAT_FMT_FLAG "g", ndigit, value);
return buf;
}
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