// Copyright 2010 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_FIXED_DTOA_H_ #define V8_FIXED_DTOA_H_ namespace v8 { namespace internal { // Produces digits necessary to print a given number with // 'fractional_count' digits after the decimal point. // The buffer must be big enough to hold the result plus one terminating null // character. // // The produced digits might be too short in which case the caller has to fill // the gaps with '0's. // Example: FastFixedDtoa(0.001, 5, ...) is allowed to return buffer = "1", and // decimal_point = -2. // Halfway cases are rounded towards +/-Infinity (away from 0). The call // FastFixedDtoa(0.15, 2, ...) thus returns buffer = "2", decimal_point = 0. // The returned buffer may contain digits that would be truncated from the // shortest representation of the input. // // This method only works for some parameters. If it can't handle the input it // returns false. The output is null-terminated when the function succeeds. bool FastFixedDtoa(double v, int fractional_count, Vector<char> buffer, int* length, int* decimal_point); } } // namespace v8::internal #endif // V8_FIXED_DTOA_H_