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几个浮点运算精度丢失的例子 #2037

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fisker opened this issue May 14, 2024 · 0 comments

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fisker commented May 14, 2024

加法

0.1 + 0.2 // 0.30000000000000004
2.3 + 2.4 // 4.699999999999999

减法

1 - 0.9 // 0.09999999999999998
0.07 - 0.01 // 0.060000000000000005

乘法

0.09 * 10 // 0.8999999999999999
0.07 * 10 // 0.7000000000000001
0.362 * 100 // 36.199999999999996

除法

36.2 / 0.362 // 100.00000000000001

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