1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6#ifndef prdtoa_h___
7#define prdtoa_h___
8
9#include "prtypes.h"
10
11PR_BEGIN_EXTERN_C
12
13/*
14** PR_strtod() returns as a double-precision floating-point number
15** the value represented by the character string pointed to by
16** s00. The string is scanned up to the first unrecognized
17** character.
18**a
19** If the value of se is not (char **)NULL, a pointer to
20** the character terminating the scan is returned in the location pointed
21** to by se. If no number can be formed, se is set to s00, and
22** zero is returned.
23*/
24NSPR_API(PRFloat64)
25PR_strtod(const char *s00, char **se);
26
27/*
28** PR_cnvtf()
29** conversion routines for floating point
30** prcsn - number of digits of precision to generate floating
31** point value.
32*/
33NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval);
34
35/*
36** PR_dtoa() converts double to a string.
37**
38** ARGUMENTS:
39** If rve is not null, *rve is set to point to the end of the return value.
40** If d is +-Infinity or NaN, then *decpt is set to 9999.
41**
42** mode:
43** 0 ==> shortest string that yields d when read in
44** and rounded to nearest.
45*/
46NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits,
47 PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize);
48
49PR_END_EXTERN_C
50
51#endif /* prdtoa_h___ */
52

source code of include/nspr/prdtoa.h