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copysign

From cppreference.com
< c | numeric | math
 
 
 
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Defined in header <math.h>
float       copysignf( float x, float y );
(since C99)
double      copysign( double x, double y );
(since C99)
long double copysignl( long double x, long double y );
(since C99)

Composes a floating point value with the magnitude of x and the sign of y.

[edit] Parameters

x, y - floating point values

[edit] Return value

Floating point value with the magnitude of x and the sign of y

[edit] See also

absolute value of a floating point value (|x|)
(function) [edit]
checks if the given number is negative
(function) [edit]
C++ documentation for copysign