| // 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 | |
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| 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 | |