Docs/add doxygen

include/mlcpppy/classifiers/classifier.h

@@ -16,10 +16,13 @@
  */
 #ifndef CLASSIFIER_H
 #define CLASSIFIER_H
+
+#include <vector>
+
 class Classifier {
        public:
-        virtual void train() = 0;
-        virtual int predict() = 0;
-        virtual ~Classifier() {}
+        virtual void Train() = 0;
+        virtual std::vector<double> Predict() = 0;
+        virtual ~Classifier() = default;
 };
 #endif  // CLASSIFIER_H

include/mlcpppy/classifiers/knn.h

@@ -24,5 +24,8 @@ class KNN : Classifier {
        public:
         KNN(/* args */);
         ~KNN();
+
+        void Train();
+        std::vector<double> Predict();
 };
 #endif  // KNN_H

include/mlcpppy/classifiers/stream_classifier.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2025  Pedro Bianchini de Quadros
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+#ifndef STREAM_CLASSIFIER_H
+#define STREAM_CLASSIFIER_H
+
+#include <vector>
+
+class StreamClassifier {
+       public:
+        virtual void Train() = 0;
+        virtual std::vector<double> Predict() = 0;
+        virtual ~StreamClassifier() = default;
+};
+#endif  // STREAM_CLASSIFIER_H

include/mlcpppy/instances/attribute.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2025  Pedro Bianchini de Quadros
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+#ifndef ATTRIBUTE_H
+#define ATTRIBUTE_H
+#include <string>
+#include <variant>
+#include <vector>
+
+class Attribute
+{
+public:
+    using ValueType = std::variant<int, double, float, std::string>;
+    Attribute(int v) : value(v) {}
+    Attribute(double v) : value(v) {}
+    Attribute(const std::string& v) : value(v) {}
+    const ValueType& getValue() const { return value; }
+    ~Attribute();
+private:
+    /* data */
+    ValueType value;
+};
+
+#endif // ATTRIBUTE_H

include/mlcpppy/instances/instance.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2025  Pedro Bianchini de Quadros
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+#ifndef INSTANCE_H
+#define INSTANCE_H
+
+#include <vector>
+#include "attribute.h"
+
+class Instance
+{
+private:
+    std::vector<Attribute> values_instance_;
+public:
+    Instance(/* args */);
+};
+
+#endif // INSTANCE_H

include/mlcpppy/instances/instances.h

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2025  Pedro Bianchini de Quadros
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+#ifndef INSTANCES_H
+#define INSTANCES_H
+
+#include <vector>
+
+#include "instance.h"
+
+class Instances
+{
+private:
+    /* data */
+    std::vector<Instance> instances_data_;
+public:
+    Instances(/* args */);
+    ~Instances();
+};
+
+#endif // INSTANCES_H