包括傅里叶变换和傅里叶反变换，c语言编写，简单明了，VC环境验证通过-Including Fourier transform and Fourier inverse transform, c language, simple and clear, VC verification environment through the
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001191s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.059467s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000849s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.000907s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000790s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.002925s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000669s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003043s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014349s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001128s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 178118 [ RunTime:0.018667s ]
