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