Mercurial > octave-nkf
view examples/code/fortrandemo.cc @ 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 | 2f8500ca91d3 |
children |
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#include <octave/oct.h> #include <octave/f77-fcn.h> extern "C" { F77_RET_T F77_FUNC (fortransub, FORTSUB) (const int&, double*, F77_CHAR_ARG_DECL F77_CHAR_ARG_LEN_DECL); } DEFUN_DLD (fortrandemo, args, , "Fortran Demo") { octave_value_list retval; if (args.length () != 1) print_usage (); NDArray a = args(0).array_value (); double *av = a.fortran_vec (); octave_idx_type na = a.numel (); OCTAVE_LOCAL_BUFFER (char, ctmp, 128); F77_XFCN (fortransub, FORTSUB, (na, av, ctmp F77_CHAR_ARG_LEN (128))); retval(1) = std::string (ctmp); retval(0) = a; return retval; }