Kiss FFT，作者：Mark Borgerding，满足您的要求，只不过它是 BSD 许可的。您可能值得花些时间联系他，看看他是否有兴趣为您提供许可证例外。有一些预处理器滥用，但仅限于处理定点和浮点数据类型。
Kiss FFT, by Mark Borgerding, meets your requirements except that it's BSD licensed. It may be worth your while to contact him and see if he's interested in giving you an exception for the license. There's a bit of pre-processor abuse but only to handle fixed- and floating-point data types.
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Kiss FFT，作者：Mark Borgerding，满足您的要求，只不过它是 BSD 许可的。您可能值得花些时间联系他，看看他是否有兴趣为您提供许可证例外。有一些预处理器滥用，但仅限于处理定点和浮点数据类型。
Kiss FFT, by Mark Borgerding, meets your requirements except that it's BSD licensed. It may be worth your while to contact him and see if he's interested in giving you an exception for the license. There's a bit of pre-processor abuse but only to handle fixed- and floating-point data types.