hpux man page for copysign

copysign(3M)															      copysign(3M)

NAME
       copysign(), copysignf(), copysignl(), copysignw(), copysignq() - copysign functions

SYNOPSIS
   HP Integrity Server Only
DESCRIPTION
       The function returns x with its sign changed to the sign of y.

       is a version of it takes arguments and returns a result.

   Integrity Server Only
       is a version of it takes arguments and returns a result.

       is an version of it takes arguments and returns an result.

       is equivalent to on HP-UX systems.

USAGE
       To  use	these  functions, compile either with the default option or with the and options.  To use (for Integrity servers) compile with the
       option.	Make sure your program includes Link in the math library by specifying on the compiler or linker command line.

RETURN VALUE
       The function returns a value with the magnitude of x and the sign of y.

       These functions raise no exceptions.

ERRORS
       No errors are defined.

SEE ALSO
       fabs(3M), fpclassify(3M), remainder(3M), scalbn(3M), signbit(3M), math(5).

STANDARDS CONFORMANCE
       : ISO/IEC C99 (including Annex F, "IEC 60559 floating-point arithmetic")

																      copysign(3M)