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