copysign(), copysignf()

copy sign from one argument to another 

Function

SYNOPSIS

#include <math.h>

double copysign(double x, double y);

float copysignf(float x, float y);

DESCRIPTION

The copysign() function returns x with its sign changed to match the sign of y.

The copysignf() function is a single-precision version of copysign().

PARAMETERS

x 

Is the value whose sign is to be adjusted.

y 

Is the value whose sign is to be used.

RETURN VALUES

The copysign() function returns x with its sign changed to match the sign of y.

CONFORMANCE

copysign(): 4.4BSD.

copysignf(): PTC MKS Toolkit UNIX APIs extension

MULTITHREAD SAFETY LEVEL

MT-Safe.

PORTING ISSUES

None.

AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition

PTC MKS Toolkit 10.5 Documentation Build 40.