Mercurial > octave
view examples/code/embedded.cc @ 28910:66b52ae69d73 stable
embedded.cc: Add line to example code to call shutdown() on interpreter (bug #59228)
* embedded.cc: Call shutdown() on interpreter to cleanly free memory.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 13 Oct 2020 15:30:49 -0700 |
parents | de4bfeda8d9f |
children | d4d8c004457f |
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#include <iostream> #include <octave/oct.h> #include <octave/octave.h> #include <octave/parse.h> #include <octave/interpreter.h> int main (void) { // Create interpreter. octave::interpreter interpreter; try { // Inhibit reading history file by calling // // interpreter.initialize_history (false); // Set custom load path here if you wish by calling // // interpreter.initialize_load_path (false); // Perform final initialization of interpreter, including // executing commands from startup files by calling // // interpreter.initialize (); // // if (! interpreter.initialized ()) // { // std::cerr << "Octave interpreter initialization failed!" // << std::endl; // exit (status); // } // // You may skip this step if you don't need to do anything // between reading the startup files and telling the interpreter // that you are ready to execute commands. // Tell the interpreter that we're ready to execute commands: int status = interpreter.execute (); if (status != 0) { std::cerr << "creating embedded Octave interpreter failed!" << std::endl; return status; } octave_idx_type n = 2; octave_value_list in; for (octave_idx_type i = 0; i < n; i++) in(i) = octave_value (5 * (i + 2)); octave_value_list out = octave::feval ("gcd", in, 1); if (out.length () > 0) std::cout << "GCD of [" << in(0).int_value () << ", " << in(1).int_value () << "] is " << out(0).int_value () << std::endl; else std::cout << "invalid\n"; } catch (const octave::exit_exception& ex) { std::cerr << "Octave interpreter exited with status = " << ex.exit_status () << std::endl; } catch (const octave::execution_exception&) { std::cerr << "error encountered in Octave evaluator!" << std::endl; } // Shutdown the interpreter which cleanly releases all memory. interp->shutdown (); return 0; }