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28 #ifndef V8_FAST_DTOA_H_
29 #define V8_FAST_DTOA_H_
34 // FastDtoa will produce at most kFastDtoaMaximalLength digits. This does not
35 // include the terminating '\0' character.
36 static const int kFastDtoaMaximalLength = 17;
38 // Provides a decimal representation of v.
39 // v must be a strictly positive finite double.
40 // Returns true if it succeeds, otherwise the result can not be trusted.
41 // There will be *length digits inside the buffer followed by a null terminator.
42 // If the function returns true then
43 // v == (double) (buffer * 10^(point - length)).
44 // The digits in the buffer are the shortest representation possible: no
45 // 0.099999999999 instead of 0.1.
46 // The last digit will be closest to the actual v. That is, even if several
47 // digits might correctly yield 'v' when read again, the buffer will contain the
49 // The variable 'sign' will be '0' if the given number is positive, and '1'
51 bool FastDtoa(double d,
56 } } // namespace v8::internal
58 #endif // V8_FAST_DTOA_H_