dsp浮点数转化为定点数的方法，其格式为Qm.n,通过宏定义可以改变格式，位数也可以增大到32位-dsp float into the set points, its format Qm.n. Acer by definition can change the format, the median can be increased to 32
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001980s ]
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:0.091111s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002312s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002156s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002092s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003922s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001918s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003360s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014831s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002422s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 136061 [ RunTime:0.001197s ]
