clog man page on IRIX

clog man page on IRIX

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LOG(3F)								       LOG(3F)

NAME
     log, alog, dlog, qlog, clog, zlog - FORTRAN natural logarithm intrinsic
     function

SYNOPSIS
     real r1, r2
     double precision dp1, dp2
     real*16 qp1, qp2
     complex cx1, cx2
     complex*16 cd1, cd2

     r2 = alog(r1)
     r2 = log(r1)

     dp2 = dlog(dp1)
     dp2 = log(dp1)

     qp2 = qlog(qp1)
     qp2 = log(qp1)

     cx2 = clog(cx1)
     cx2 = log(cx1)

     cd2 = zlog(cd1)
     cd2 = log(cd1)

DESCRIPTION
     alog returns the real natural logarithm of its real argument.  dlog
     returns the double-precision natural logarithm of its double-precision
     argument.	qlog returns the real*16 natural logarithm of its real*16
     argument.	The argument of alog, dlog, and qlog must be greater than
     zero.  clog returns the complex logarithm of its complex argument.	 The
     argument of clog must not be (0.,0.).  The range of the imaginary part of
     clog is: -pi < imaginary part <= pi.  zlog returns the complex*16
     logarithm of its complex*16 argument.  The generic function log becomes a
     call to alog, dlog, qlog, clog, or zlog depending on the type of its
     argument.

SEE ALSO
     exp(3M).

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