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std::islessgreater

STD：：更大的岛

Defined in header ​​
bool islessgreater( float x, float y (1)(since C++11)
bool islessgreater( double x, double y (2)(since C++11)
bool islessgreater( long double x, long double y (3)(since C++11)
bool islessgreater( Arithmetic x, Arithmetic y (4)(since C++11)

1-3%29确定浮点数x小于或大于浮点数。y，而不设置浮点异常。

4%29一组重载或函数模板，用于%281-3%29中未涵盖的所有算术类型参数组合。如果有任何争论积分型，它被铸造成double...

参数

x-floating point value
y-floating point value

返回值

true如果x < y || x > y，，，false否则。

注记

内建operator<和operator>对于浮点数可能会引发FE_INVALID如果其中一个或两个论点都是NaN。此函数是表达式的“静默”版本。x < y || x > y...

另见

isless (C++11)checks if the first floating-point argument is less than the second (function)
isgreater (C++11)checks if the first floating-point argument is greater than the second (function)

C岛文件

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