Mercurial > octave-nkf
view examples/code/fortransub.f @ 20596:87b557ee8e5d
clean up and vectorize code for dense output in ode45
* scripts/ode/private/ode_rk_interpolate.m: new file
* scripts/ode/private/ode_rk_interpolate.m(hermite_quartic_interpolation):
move to internal function, use vectorization and broadcasting.
* scripts/ode/private/hermite_quartic_interpolation.m: remove file
* scripts/ode/module.mk: list added and removed files
* scripts/ode/private/integrate_adaptive.m: use new interpolation code.
author | Carlo de Falco <carlo.defalco@polimi.it> |
---|---|
date | Tue, 06 Oct 2015 19:28:59 +0200 |
parents | c8240a60dd01 |
children |
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subroutine fortransub (n, a, s) implicit none character*(*) s real*8 a(*) integer*4 i, n, ioerr do i = 1, n if (a(i) .eq. 0d0) then call xstopx ('fortransub: divide by zero') else a(i) = 1d0 / a(i) endif enddo write (unit = s, fmt = '(a,i3,a,a)', iostat = ioerr) $ 'There are ', n, $ ' values in the input vector', char(0) if (ioerr .ne. 0) then call xstopx ('fortransub: error writing string') endif return end