// Copyright 2010 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #ifndef DOUBLE_CONVERSION_FIXED_DTOA_H_ #define DOUBLE_CONVERSION_FIXED_DTOA_H_ #include "utils.h" namespace WTF { namespace double_conversion { // 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 double_conversion } // namespace WTF #endif // DOUBLE_CONVERSION_FIXED_DTOA_H_