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Re: Checking octave_value equality (==) without generating an error?
From
:
Michael Goffioul
Subject
:
Re: Checking octave_value equality (==) without generating an error?
Date
:
Sat, 22 Nov 2014 17:17:30 -0500
On Sat, Nov 22, 2014 at 4:45 PM, Daniel J Sebald
<
address@hidden
>
wrote:
Try "try".
Not sure I'm following... I was referring to a method/function in C++. Even something like the following will print an error message at octave prompt:
bool result;
// Assign ov1 and ov2 such that they're not comparable ({} == false)
octave_value ov1 (Cell ());
octave_value ov2 (false);
try
{
result = (ov1 == ov2);
}
catch (...)
{
result = false;
}
However, now that I'm thinking about it, what I'm looking for is something along those lines:
bool is_equal_safe (const octave_value& ov1, const octave_value& ov2)
{
bool retval;
unwind_protect frame;
frame.protect_var (error_state);
frame.protect_var (warning_state);
frame.protect_var (discard_error_messages);
frame.protect_var (warning_error_messages);
discard_error_messages = true;
discard_warning_messages = true;
try
{
octave_value ov_cmp_retval = (ov1 == ov2);
retval = ov_cmp_retval.bool_value ();
}
catch (octave_execution_exception)
{
retval = false;
}
return retval;
}
But this looks a bit overkill if something similar already exists in octave code base.
Michael.
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Checking octave_value equality (==) without generating an error?
,
Michael Goffioul
,
2014/11/22
Re: Checking octave_value equality (==) without generating an error?
,
Daniel J Sebald
,
2014/11/22
Re: Checking octave_value equality (==) without generating an error?
,
Michael Goffioul
<=
Re: Checking octave_value equality (==) without generating an error?
,
Daniel J Sebald
,
2014/11/22
Re: Checking octave_value equality (==) without generating an error?
,
John W. Eaton
,
2014/11/22
Re: Checking octave_value equality (==) without generating an error?
,
Michael Goffioul
,
2014/11/22
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