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annotate examples/fortdemo.cc @ 10843:229675bb7647 ss-3-3-52

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version is now 3.3.52
author John W. Eaton <jwe@octave.org>
date Sun, 01 Aug 2010 11:49:45 -0400
parents 6cb30a539481
children db1f49eaba6b
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1 #include <octave/oct.h>
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2 #include <octave/f77-fcn.h>
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3
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4 extern "C"
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5 {
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6 F77_RET_T
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7 F77_FUNC (fortsub, FORTSUB)
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8 (const int&, double*, F77_CHAR_ARG_DECL
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9 F77_CHAR_ARG_LEN_DECL);
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10 }
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11
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12 DEFUN_DLD (fortdemo , args , , "Fortran Demo.")
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13 {
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14 octave_value_list retval;
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15 int nargin = args.length();
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16 if (nargin != 1)
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17 print_usage ();
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18 else
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19 {
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20 NDArray a = args(0).array_value ();
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21 if (! error_state)
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22 {
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23 double *av = a.fortran_vec ();
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24 octave_idx_type na = a.nelem ();
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25 OCTAVE_LOCAL_BUFFER (char, ctmp, 128);
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26
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27 F77_XFCN (fortsub, FORTSUB, (na, av, ctmp
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28 F77_CHAR_ARG_LEN (128)));
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29
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30 retval(1) = std::string (ctmp);
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31 retval(0) = a;
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32 }
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33 }
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34 return retval;
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35 }