Mercurial > octave-nkf
view libcruft/misc/d1mach.f @ 16088:b29b10fbb744 stable release-3-6-4
Version 3.6.4 released.
* configure.ac (AC_INIT): Version is now 3.6.4.
(OCTAVE_RELEASE_DATE): Now 2013-02-21.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 21 Feb 2013 15:17:54 -0500 |
parents | 32b15d5c3147 |
children |
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double precision function d1mach (i) integer i logical init double precision dmach(5) double precision dlamch external dlamch save init, dmach data init /.false./ if (.not. init) then dmach(1) = dlamch ('u') dmach(2) = dlamch ('o') dmach(3) = dlamch ('e') dmach(4) = dlamch ('p') dmach(5) = log10 (dlamch ('b')) init = .true. endif if (i .lt. 1 .or. i .gt. 5) goto 999 d1mach = dmach(i) return 999 write (*, 1999) i 1999 format (' d1mach - i out of bounds', i10) call xstopx (' ') d1mach = 0 end