31 lines
1011 B
C
31 lines
1011 B
C
|
// Copyright (c) 2008 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef THIRD_PARTY_DMG_FP_H_
|
||
|
|
#define THIRD_PARTY_DMG_FP_H_
|
||
|
|
|
||
|
|
namespace dmg_fp {
|
||
|
|
|
||
|
|
// Return a nearest machine number to the input decimal
|
||
|
|
// string (or set errno to ERANGE). With IEEE arithmetic, ties are
|
||
|
|
// broken by the IEEE round-even rule. Otherwise ties are broken by
|
||
|
|
// biased rounding (add half and chop).
|
||
|
|
double strtod(const char* s00, char** se);
|
||
|
|
|
||
|
|
// Convert double to ASCII string. For meaning of parameters
|
||
|
|
// see dtoa.cc file.
|
||
|
|
char* dtoa(double d, int mode, int ndigits,
|
||
|
|
int* decpt, int* sign, char** rve);
|
||
|
|
|
||
|
|
// Must be used to free values returned by dtoa.
|
||
|
|
void freedtoa(char* s);
|
||
|
|
|
||
|
|
// Store the closest decimal approximation to x in b (null terminated).
|
||
|
|
// Returns a pointer to b. It is sufficient for |b| to be 32 characters.
|
||
|
|
char* g_fmt(char* b, double x);
|
||
|
|
|
||
|
|
} // namespace dmg_fp
|
||
|
|
|
||
|
|
#endif // THIRD_PARTY_DMG_FP_H_
|