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

From cppreference.com
< cpp‎ | numeric‎ | math
 
 
 
Common mathematical functions
Functions
Basic operations
abs(float)fabs
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Exponential functions
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Nearest integer floating point operations
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Floating point manipulation functions
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Classification/Comparison
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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.

[edit] Parameters

arg - Value of a floating-point or Integral type

[edit] Return value

The absolute value of arg (|arg|).

[edit] See also

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