Mercurial > octave-nkf

annotate examples/code/standalonebuiltin.cc @ 19630:0e1f5a750d00

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
maint: Periodic merge of gui-release to default.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2015 10:24:46 -0500
parents examples/standalonebuiltin.cc@446c46af4b42 examples/standalonebuiltin.cc@c8240a60dd01
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17949
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
1 #include <iostream>
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
2 #include <octave/oct.h>
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
3 #include <octave/builtin-defun-decls.h>
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
4
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
5 int
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
6 main (void)
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
7 {
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
8 int n = 2;
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
9 Matrix a_matrix = Matrix (n, n);
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
10
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
11 for (octave_idx_type i = 0; i < n; i++)
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
12 for (octave_idx_type j = 0; j < n; j++)
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
13 a_matrix(i,j) = (i + 1) * 10 + (j + 1);
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
14
19627
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 18358
diff changeset
15 std::cout << "This is a matrix:" << std::endl
18358
adb7c7e6a4a1 doc: Re-write bits of External Code Interface chapter.
Rik <rik@octave.org>
parents: 17949
diff changeset
16 << a_matrix << std::endl;
17949
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
17
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
18 octave_value_list in;
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
19 in(0) = a_matrix;
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
20
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
21 octave_value_list out = Fnorm (in, 1);
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
22 double norm_of_the_matrix = out(0).double_value ();
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
23
19627
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 18358
diff changeset
24 std::cout << "This is the norm of the matrix:" << std::endl
18358
adb7c7e6a4a1 doc: Re-write bits of External Code Interface chapter.
Rik <rik@octave.org>
parents: 17949
diff changeset
25 << norm_of_the_matrix << std::endl;
19627
446c46af4b42 strip trailing whitespace from most source files
John W. Eaton <jwe@octave.org>
parents: 18358
diff changeset
26
17949
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
27 return 0;
3341d2f1e5db Document calling DEFUN functions in C++.
Carlo de Falco <cdf@users.sourceforge.net>
parents:
diff changeset
28 }