1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/*
3 * The contents of this file are subject to the Mozilla Public
4 * License Version 1.1 (the "License"); you may not use this file
5 * except in compliance with the License. You may obtain a copy of
6 * the License at http://www.mozilla.org/MPL/
7 *
8 * Software distributed under the License is distributed on an "AS
9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
10 * implied. See the License for the specific language governing
11 * rights and limitations under the License.
12 *
13 * The Original Code is the Netscape Portable Runtime (NSPR).
14 *
15 * The Initial Developer of the Original Code is Netscape
16 * Communications Corporation.  Portions created by Netscape are
17 * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
18 * Rights Reserved.
19 *
20 * Contributor(s):
21 *
22 * Alternatively, the contents of this file may be used under the
23 * terms of the GNU General Public License Version 2 or later (the
24 * "GPL"), in which case the provisions of the GPL are applicable
25 * instead of those above.  If you wish to allow use of your
26 * version of this file only under the terms of the GPL and not to
27 * allow others to use your version of this file under the MPL,
28 * indicate your decision by deleting the provisions above and
29 * replace them with the notice and other provisions required by
30 * the GPL.  If you do not delete the provisions above, a recipient
31 * may use your version of this file under either the MPL or the
32 * GPL.
33 */
34
35#ifndef prdtoa_h___
36#define prdtoa_h___
37
38#include "prtypes.h"
39
40PR_BEGIN_EXTERN_C
41
42/*
43** PR_strtod() returns as a double-precision floating-point number
44** the  value represented by the character string pointed to by
45** s00. The string is scanned up to the first unrecognized
46** character.
47**a
48** If the value of se is not (char **)NULL, a  pointer  to
49** the  character terminating the scan is returned in the location pointed
50** to by se. If no number can be formed, se is set to s00, and
51** zero is returned.
52*/
53#if defined(HAVE_WATCOM_BUG_1)
54/* this is a hack to circumvent a bug in the Watcom C/C++ 11.0 compiler
55** When Watcom fixes the bug, remove the special case for Win16
56*/
57PRFloat64 __pascal __loadds __export
58#else
59NSPR_API(PRFloat64)
60#endif
61PR_strtod(const char *s00, char **se);
62
63/*
64** PR_cnvtf()
65** conversion routines for floating point
66** prcsn - number of digits of precision to generate floating
67** point value.
68*/
69NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval);
70
71/*
72** PR_dtoa() converts double to a string.
73**
74** ARGUMENTS:
75** If rve is not null, *rve is set to point to the end of the return value.
76** If d is +-Infinity or NaN, then *decpt is set to 9999.
77**
78** mode:
79**     0 ==> shortest string that yields d when read in
80**           and rounded to nearest.
81*/
82NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits,
83	PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize);
84
85PR_END_EXTERN_C
86
87#endif /* prdtoa_h___ */
88