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