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 // 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

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 //       with the distribution.

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 //       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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 #ifndef DOUBLE_CONVERSION_FIXED_DTOA_H_

 #define DOUBLE_CONVERSION_FIXED_DTOA_H_

 #include "utils.h"

 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

 #endif  // DOUBLE_CONVERSION_FIXED_DTOA_H_