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function [variables, metadata] = createVariablesAndMetadataStructs()
% CREATEVARIABLESANDMETADATASTRUCTS Helper function for creating
% Feather MEX variables and metadata structs.
% Licensed to the Apache Software Foundation (ASF) under one or more
% contributor license agreements. See the NOTICE file distributed with
% this work for additional information regarding copyright ownership.
% The ASF licenses this file to you under the Apache License, Version
% 2.0 (the "License"); you may not use this file except in compliance
% with the License. You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
% implied. See the License for the specific language governing
% permissions and limitations under the License.
import mlarrow.util.*;
type = 'uint8';
data = uint8([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'uint8';
uint8Variable = createVariableStruct(type, data, valid, name);
type = 'uint16';
data = uint16([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'uint16';
uint16Variable = createVariableStruct(type, data, valid, name);
type = 'uint32';
data = uint32([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'uint32';
uint32Variable = createVariableStruct(type, data, valid, name);
type = 'uint64';
data = uint64([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'uint64';
uint64Variable = createVariableStruct(type, data, valid, name);
type = 'int8';
data = int8([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'int8';
int8Variable = createVariableStruct(type, data, valid, name);
type = 'int16';
data = int16([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'int16';
int16Variable = createVariableStruct(type, data, valid, name);
type = 'int32';
data = int32([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'int32';
int32Variable = createVariableStruct(type, data, valid, name);
type = 'int64';
data = int64([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'int64';
int64Variable = createVariableStruct(type, data, valid, name);
type = 'single';
data = single([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'single';
singleVariable = createVariableStruct(type, data, valid, name);
type = 'double';
data = double([1; 2; 3]);
valid = logical([0; 1; 0]);
name = 'double';
doubleVariable = createVariableStruct(type, data, valid, name);
variables = [uint8Variable, ...
uint16Variable, ...
uint32Variable, ...
uint64Variable, ...
int8Variable, ...
int16Variable, ...
int32Variable, ...
int64Variable, ...
singleVariable, ...
doubleVariable];
numRows = 3;
numVariables = length(variables);
metadata = createMetadataStruct(numRows, numVariables);
end
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