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view libcruft/misc/r1mach.f @ 8874:bd1b1fe9c6e9 ss-3-1-53
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author | John W. Eaton <jwe@octave.org> |
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date | Wed, 25 Feb 2009 18:35:47 -0500 |
parents | 82be108cc558 |
children | 32b15d5c3147 |
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real function r1mach (i) integer i logical init real rmach(5) save init, rmach data init /.false./ if (.not. init) then call smachar (rmach(1), rmach(2), rmach(3), rmach(4), rmach(5)) init = .true. endif if (i .lt. 1 .or. i .gt. 5) goto 999 r1mach = rmach(i) return 999 write(*,1999) i 1999 format(' s1mach - i out of bounds', i10) call xstopx (' ') r1mach = 0 end