copysign

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(C99)
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(C99)
copysign (C99)
Classification
fpclassify (C99)
isfinite (C99)
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isnormal (C99)
signbit (C99)
Macro constants
 
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)
(C99)
checks if the given number is negative
(function)