mirror of https://github.com/jlizier/jidt
56 lines
2.0 KiB
Matlab
Executable File
56 lines
2.0 KiB
Matlab
Executable File
%%
|
|
%% Java Information Dynamics Toolkit (JIDT)
|
|
%% Copyright (C) 2012, Joseph T. Lizier
|
|
%%
|
|
%% This program is free software: you can redistribute it and/or modify
|
|
%% it under the terms of the GNU General Public License as published by
|
|
%% the Free Software Foundation, either version 3 of the License, or
|
|
%% (at your option) any later version.
|
|
%%
|
|
%% This program is distributed in the hope that it will be useful,
|
|
%% but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
%% GNU General Public License for more details.
|
|
%%
|
|
%% You should have received a copy of the GNU General Public License
|
|
%% along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
%%
|
|
|
|
% function jDoubleArray = octaveToJavaDoubleArray(octaveArray)
|
|
%
|
|
% Convert a native octave array to a java double 1D array
|
|
%
|
|
% Assumes the JIDT jar is already on the java classpath - you will get a
|
|
% java classpath error if this is not the case.
|
|
%
|
|
|
|
function jDoubleArray = octaveToJavaDoubleArray(octaveArray)
|
|
|
|
if (exist ('OCTAVE_VERSION', 'builtin'))
|
|
% We're in octave:
|
|
% Using 'org.octave.Matrix' is much faster than conversion cell by cell
|
|
if (length(octaveArray) > 1)
|
|
% Do this the normal way
|
|
tmp = javaObject('infodynamics.utils.OctaveMatrix');
|
|
tmp.loadDoubleData(octaveArray,[1, length(octaveArray)]);
|
|
jDoubleArray = tmp.asDoubleVector();
|
|
else
|
|
% For length 1 arrays, we need to perform a hack here or else
|
|
% java thinks the length-one array is a scalar.
|
|
% I thought I had this work once:
|
|
% tmp = javaObject('org.octave.Matrix',[octaveArray,octaveArray] ,[1, 1]);
|
|
% jDoubleArray = tmp.asDoubleVector();
|
|
% but now can't get that to repeat.
|
|
% So instead we'll do this the slow way (doesn't matter for one element only)
|
|
jDoubleArray = javaArray('java.lang.Double', 1);
|
|
jDoubleArray(1) = octaveArray(1);
|
|
end
|
|
else
|
|
% We're in matlab: the native matlab array can be passed to java as is:
|
|
|
|
jDoubleArray = octaveArray;
|
|
end
|
|
|
|
end
|
|
|