浮点数格式与IEEE-754标准(32)有关,长度32位。四个字节的浮点数据传送顺序为先低字节后高字节,即传送顺序为:先低字节D7~D0,接着D15~D8,然后D23~D16,最后高字节D31~D24,最终作为分成8个ASCII码传送。浮点数格式如下:
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首先将16进制转化为2进制:
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最后的str为计算好的值!鄙视下自己竟然忘记了输出函数:::afxmessageBox("Hello world!");我写的是C++的mfc程序!