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      1 // Copyright (c) 2008 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef THIRD_PARTY_DMG_FP_H_
      6 #define THIRD_PARTY_DMG_FP_H_
      7 
      8 namespace dmg_fp {
      9 
     10 // Return a nearest machine number to the input decimal
     11 // string (or set errno to ERANGE). With IEEE arithmetic, ties are
     12 // broken by the IEEE round-even rule.  Otherwise ties are broken by
     13 // biased rounding (add half and chop).
     14 double strtod(const char* s00, char** se);
     15 
     16 // Convert double to ASCII string. For meaning of parameters
     17 // see dtoa.cc file.
     18 char* dtoa(double d, int mode, int ndigits,
     19            int* decpt, int* sign, char** rve);
     20 
     21 // Must be used to free values returned by dtoa.
     22 void freedtoa(char* s);
     23 
     24 // Store the closest decimal approximation to x in b (null terminated).
     25 // Returns a pointer to b.  It is sufficient for |b| to be 32 characters.
     26 char* g_fmt(char* b, double x);
     27 
     28 }  // namespace dmg_fp
     29 
     30 #endif  // THIRD_PARTY_DMG_FP_H_
     31