| /* Compatibility functions for floating point formatting. |
| Copyright (C) 1995, 1996, 1997 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., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, 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; |
| } |