annotate examples/unwinddemo.cc @ 14193:72aebe619641 stable rc-3-6-0-0

3.6.0-rc0 release candidate * configure.ac (AC_INIT): Version is now 3.6.0-rc0. (OCTAVE_RELEASE_DATE): Now 2012-01-10. (OCTAVE_API_VERSION_NUMBER): Now 47.
author John W. Eaton <jwe@octave.org>
date Tue, 10 Jan 2012 16:43:41 -0500
parents db1f49eaba6b
children 460a3c6d8bf1
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1 #include <octave/oct.h>
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2 #include <octave/unwind-prot.h>
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3
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4 void
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5 err_hand (const char *fmt, ...)
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6 {
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7 // Do nothing!!
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8 }
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9
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10 DEFUN_DLD (unwinddemo, args, nargout, "Unwind Demo")
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11 {
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12 int nargin = args.length();
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13 octave_value retval;
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14 if (nargin < 2)
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15 print_usage ();
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16 else
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17 {
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18 NDArray a = args(0).array_value ();
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19 NDArray b = args(1).array_value ();
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20
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21 if (! error_state)
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22 {
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23 unwind_protect::begin_frame ("Funwinddemo");
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24 unwind_protect_ptr (current_liboctave_warning_handler);
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25 set_liboctave_warning_handler(err_hand);
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26 retval = octave_value (quotient (a, b));
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27 unwind_protect::run_frame ("Funwinddemo");
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28 }
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29 }
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30 return retval;
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31 }