std::signbit
From cppreference.com
| Defined in header <cmath>
|
||
| bool signbit( float arg ); |
(since C++11) | |
| bool signbit( double arg ); |
(since C++11) | |
| bool signbit( long double arg ); |
(since C++11) | |
Determines if the given floating point number arg is negative.
[edit] Parameters
| arg | - | floating point value |
[edit] Return value
true if arg is negative, false otherwise
[edit] See also
| absolute value of a floating point value (|x|) (function) | |
| (C++11) |
copies the sign of a floating point value (function) |
| C documentation for signbit
| |