[Octave-bug-tracker] [bug #62412] quadcc does not warn when quadrature fails to converge

[Markus Mützel]

Follow-up Comment #18, bug #62412 (project octave):

The fourth argument of the DEFMETHOD macro can be used as the number of output
arguments in the definition of built-in functions.
See:
https://hg.savannah.gnu.org/hgweb/octave/file/760d38460452/libinterp/corefcn/defun.h#l111

#define DEFMETHOD(name, interp_name, args_name, nargout_name, doc)      \
  DECLARE_METHOD (name, interp_name, args_name, nargout_name)

//! Macro to define a builtin method with certain internal name.
//!
//! @warning Consider to use #DEFMETHOD, unless you have good reason.
//!
//! For detailed information, see \ref Macros.
//!
//! This macro can be used when @p name cannot be used directly (for example
if
//! it is already defined as a macro).  In that case, @p name is already a
//! quoted string (thus unaffected by macros), and the internal name of the
//! method is given by @p fname.
//!
//! @param name The **quoted** name of the method that should be callable
//!             by the interpreter.
//! @param fname The internal **unquoted** name of the method.  This internal
//!              name is by convention prepended by an 'F'.
//! @param interp_name The name of the 'octave::interpreter' reference that
can
//!                    be used by this method.  If this value is omitted,
//!                    there is no access to the interpreter and one should
//!                    use #DEFUNX to define a function instead.
//! @param args_name The name of the octave_value_list variable used to pass
//!                  the argument list to this method.  If this value is
//!                  omitted, the method cannot access the argument list.
//! @param nargout_name The name of the 'int' variable used to pass the
number
//!                     of output arguments this method is expected to
//!                     produce from the caller.  If this value is
//!                     omitted, the method cannot access this number.
//! @param doc Texinfo help text (docstring) for the method.
//!
//! @see DEFMETHOD


(That info is probably also available somewhere else in a nicer format. But I
don't know where. 🙂)


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