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