prdtoa.h - mozsearch

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/* -*- 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___ */