IEEE754浮点数

1.计算

5.75→01000000101110000000000000000000

转为二进制为101.11

小数点移位为1.0111*2^2

即S为0,E为129→10000001,M为01110000000000000000000

161.875→01000011001000011110000000000000

转为二进制为10100001.111

小数点移位为1.0100001111*2^7

即S为0,E为134→10000110,M为01000011110000000000000

-0.0234375→1111100110000000000000000000000

转为二进制为-0.0000011

小数点移位为-1.1*2^(-6)

即S为1,E为121→1111001,M为10000000000000000000000

2.

 

posted on 2021-10-17 21:52  20211426赵炫宇  阅读(91)  评论(0编辑  收藏  举报

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