std::abs(float), std::fabs

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Defined in header <cmath>
float       abs( float arg );
double      abs( double arg );
long double abs( long double arg );
float       fabs( float arg );
double      fabs( double arg );
long double fabs( long double arg );
double      fabs( Integral arg );		(since C++11)

Computes the absolute value of a floating point value arg.

Parameters

arg

-

floating point value

Return value

the absolute value of arg (|arg|)

See also

abs(int) labs llabs imaxabs (C++11)	computes absolute value of an integral value (|x|) (function)
signbit (C++11)	checks if the given number is negative (function)
abs(std::complex)	returns the magnitude of a complex number (function template)
abs(std::valarray)	applies the function std::abs to each element of valarray (function template)