浮点数字,也就是人们知道的实数(real),当计算的表达式有精度要求时被使用。例如,计算平方根,或超出人类经验的计算如正弦和余弦,它们的计算结果的精度要求使用浮点型。Java 实现了标准(IEEE
11.1.5 Floating point types C# supports two floating-point types: float and double. The float and do
The predefined floating-point comparison operators are: bool operator ==(float x, float y); bool ope
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