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1 // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
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2 // Use of this source code is governed by a BSD-style license that can be |
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3 // found in the LICENSE file. |
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4 |
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5 #ifndef THIRD_PARTY_DMG_FP_H_ |
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6 #define THIRD_PARTY_DMG_FP_H_ |
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7 |
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8 namespace dmg_fp { |
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9 |
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10 // Return a nearest machine number to the input decimal |
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11 // string (or set errno to ERANGE). With IEEE arithmetic, ties are |
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12 // broken by the IEEE round-even rule. Otherwise ties are broken by |
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13 // biased rounding (add half and chop). |
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14 double strtod(const char* s00, char** se); |
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15 |
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16 // Convert double to ASCII string. For meaning of parameters |
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17 // see dtoa.cc file. |
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18 char* dtoa(double d, int mode, int ndigits, |
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19 int* decpt, int* sign, char** rve); |
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20 |
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21 // Must be used to free values returned by dtoa. |
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22 void freedtoa(char* s); |
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23 |
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24 // Store the closest decimal approximation to x in b (null terminated). |
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25 // Returns a pointer to b. It is sufficient for |b| to be 32 characters. |
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26 char* g_fmt(char* b, double x); |
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27 |
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28 } // namespace dmg_fp |
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29 |
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30 #endif // THIRD_PARTY_DMG_FP_H_ |