std::isunordered
From cppreference.com
Defined in header
<cmath>
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bool isunordered( float x, float y );
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(since C++11) | |
bool isunordered( double x, double y );
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(since C++11) | |
bool isunordered( long double x, long double y );
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(since C++11) | |
Determines if the floating point numbers x
and y
are unordered, that is, one or both are NaN and thus cannot be meaningfully compared with each other.
[edit] Parameters
x | - | floating point value |
y | - | floating point value |
[edit] Return value
true if either x
or y
is NaN, false otherwise
[edit] See also
(C++11)
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categorizes the given floating point value (function) |
(C++11)
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checks if the given number is NaN (function) |
C documentation for isunordered
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