clogw man page on HP-UX

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clog(3M)							      clog(3M)

NAME
       clog(),	clogf(),  clogl(), clogw(), clogq() - complex natural (base-e)
       logarithm functions

SYNOPSIS
DESCRIPTION
       returns the complex natural logarithm of z in  the  range  of  a	 strip
       mathematically  unbounded  along	 the  real  axis  and  in the interval
       [-iPi,+iPi] along the imaginary axis.  There is a branch cut along  the
       negative real axis.

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

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

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

       is equivalent to on HP-UX systems.

USAGE
       To  use	these functions, compile with the default option.  To use com‐
       pile with the option.  Make sure your program includes Link in the math
       library by specifying on the compiler or linker command line.

RETURN VALUE
       =

       returns	-Inf+iPi  and  raises the divide-by-zero floating-point excep‐
       tion.

       returns -Inf+i0 and raises the divide-by-zero floating-point exception.

       returns +Inf+iPi/2, for finite x.

       returns NaN+iNaN	 and  optionally  raises  the  invalid	floating-point
       exception, for finite x.

       returns +Inf+iPi, for finite positive-signed y.

       returns +Inf+i0, for finite positive-signed y.

       returns +Inf+i3Pi/4.

       returns +Inf+iPi/4.

       returns +Inf+iNaN.

       returns	NaN+iNaN  and  optionally  raises  the	invalid floating-point
       exception, for finite y.

       returns +Inf+iNaN.

       returns NaN+iNaN.

ERRORS
       No errors are defined.

SEE ALSO
       log(3M), cexp(3M), complex(5).

STANDARDS CONFORMANCE
       : ISO/IEC C99 (including Annex G, "IEC 60559-compatible complex	arith‐
       metic")

			   HP Integrity Server Only		      clog(3M)
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