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Java floating-point numbers representation as a hexadecimal numbers
(2个答案)
In binary notation, what is the meaning of the digits after the radix point “.”?
(7个答案)
已关闭6年。
我知道P后面的值称为二进制指数，它表示数字乘以2的幂。 0x122 = 29010 除以1610 = 18.12510 乘以22导致72.510
更正式地说(？)，对于
所以0x12.2是1⨯16¹+2x16⁰+2⨯16⁻¹= 18.125
(2个答案)
In binary notation, what is the meaning of the digits after the radix point “.”?
(7个答案)
已关闭6年。
0x12.2P2如何等于72.5？我知道P后面的值称为二进制指数，它表示数字乘以2的幂。
最佳答案
0x12.2P2为0x122/1610 * 22
更正式地说(？)，对于
P之前的部分，您可以使用以下非常经典的转换表: decimal point here ▼
+-----+-----+-----+-----+-+-----+-----+-----+
| 16³ | 16² | 16¹ | 16⁰ | | 16⁻¹| 16⁻²| 16⁻³|
+-----------------------------------------+
| | | 1 | 2 |.| 2 | | |
+-----+-----+-----+-----+-+-----+-----+-----+
所以0x12.2是1⨯16¹+2x16⁰+2⨯16⁻¹= 18.125
10-04 22:23