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annotate examples/standalonebuiltin.cc @ 18840:4a4edf0f2077 nkf-ready

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fix LLVM 3.4 build (bug #41061) * configure.ac: Call new functions OCTAVE_LLVM_RAW_FD_OSTREAM_API and OCTAVE_LLVM_LEGACY_PASSMANAGER_API, check for Verifier.h header file * m4/acinclude.m4 (OCTAVE_LLVM_RAW_FD_OSTREAM_API): New function to detect correct raw_fd_ostream API * m4/acinclude.m4 (OCTAVE_LLVM_LEGACY_PASSMANAGER_API): New function to detect legacy passmanager API * libinterp/corefcn/jit-util.h: Use legacy passmanager namespace if necessary * libinterp/corefcn/pt-jit.h (class tree_jit): Use legacy passmanager class if necessary * libinterp/corefcn/pt-jit.cc: Include appropriate header files * libinterp/corefcn/pt-jit.cc (tree_jit::initialize): Use legacy passmanager if necessary * libinterp/corefcn/pt-jit.cc (tree_jit::optimize): Use correct API * libinterp/corefcn/jit-typeinfo.cc: Include appropriate header file
author Stefan Mahr <dac922@gmx.de>
date Sun, 11 May 2014 02:28:33 +0200
parents adb7c7e6a4a1
children 446c46af4b42
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3341d2f1e5db Document calling DEFUN functions in C++.
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1 #include <iostream>
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2 #include <octave/oct.h>
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3 #include <octave/builtin-defun-decls.h>
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4
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5 int
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6 main (void)
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7 {
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8 int n = 2;
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9 Matrix a_matrix = Matrix (n, n);
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10
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11 for (octave_idx_type i = 0; i < n; i++)
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12 for (octave_idx_type j = 0; j < n; j++)
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13 a_matrix(i,j) = (i + 1) * 10 + (j + 1);
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14
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15 std::cout << "This is a matrix:" << std::endl
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16 << a_matrix << std::endl;
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17
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18 octave_value_list in;
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19 in(0) = a_matrix;
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20
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21 octave_value_list out = Fnorm (in, 1);
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22 double norm_of_the_matrix = out(0).double_value ();
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23
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24 std::cout << "This is the norm of the matrix:" << std::endl
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25 << norm_of_the_matrix << std::endl;
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26
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27 return 0;
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28 }