mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef prdtoa_h___
|
|
#define prdtoa_h___
|
|
|
|
#include "prtypes.h"
|
|
|
|
PR_BEGIN_EXTERN_C
|
|
|
|
/*
|
|
** PR_strtod() returns as a double-precision floating-point number
|
|
** the value represented by the character string pointed to by
|
|
** s00. The string is scanned up to the first unrecognized
|
|
** character.
|
|
**a
|
|
** If the value of se is not (char **)NULL, a pointer to
|
|
** the character terminating the scan is returned in the location pointed
|
|
** to by se. If no number can be formed, se is set to s00, and
|
|
** zero is returned.
|
|
*/
|
|
NSPR_API(PRFloat64)
|
|
PR_strtod(const char *s00, char **se);
|
|
|
|
/*
|
|
** PR_cnvtf()
|
|
** conversion routines for floating point
|
|
** prcsn - number of digits of precision to generate floating
|
|
** point value.
|
|
*/
|
|
NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval);
|
|
|
|
/*
|
|
** PR_dtoa() converts double to a string.
|
|
**
|
|
** ARGUMENTS:
|
|
** If rve is not null, *rve is set to point to the end of the return value.
|
|
** If d is +-Infinity or NaN, then *decpt is set to 9999.
|
|
**
|
|
** mode:
|
|
** 0 ==> shortest string that yields d when read in
|
|
** and rounded to nearest.
|
|
*/
|
|
NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits,
|
|
PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize);
|
|
|
|
PR_END_EXTERN_C
|
|
|
|
#endif /* prdtoa_h___ */
|