一个用于四字节十六进制浮点数与十进制数之间的相互转换，在网上找了很久都没有找到相关的程序，只好自己写了一个，不敢独享！-for a four-byte hexadecimal and decimal number float between the conversion, on the Internet looking for a long time have not found the relevant procedures, they wrote out a one, not exclusi