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27
28#ifndef DOUBLE_CONVERSION_FIXED_DTOA_H_
29#define DOUBLE_CONVERSION_FIXED_DTOA_H_
30
31#include "utils.h"
32
33namespace WTF {
34
35namespace double_conversion {
36
37    // Produces digits necessary to print a given number with
38    // 'fractional_count' digits after the decimal point.
39    // The buffer must be big enough to hold the result plus one terminating null
40    // character.
41    //
42    // The produced digits might be too short in which case the caller has to fill
43    // the gaps with '0's.
44    // Example: FastFixedDtoa(0.001, 5, ...) is allowed to return buffer = "1", and
45    // decimal_point = -2.
46    // Halfway cases are rounded towards +/-Infinity (away from 0). The call
47    // FastFixedDtoa(0.15, 2, ...) thus returns buffer = "2", decimal_point = 0.
48    // The returned buffer may contain digits that would be truncated from the
49    // shortest representation of the input.
50    //
51    // This method only works for some parameters. If it can't handle the input it
52    // returns false. The output is null-terminated when the function succeeds.
53    bool FastFixedDtoa(double v, int fractional_count,
54                       Vector<char> buffer, int* length, int* decimal_point);
55
56}  // namespace double_conversion
57
58} // namespace WTF
59
60#endif  // DOUBLE_CONVERSION_FIXED_DTOA_H_
61