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/**
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#include <cstdint>
#include <ostream>
#include <vector>
#include "real.h"
namespace fasttext {
class Matrix;
class Vector {
protected:
std::vector<real> data_;
public:
explicit Vector(int64_t);
Vector(const Vector&) = default;
Vector(Vector&&) noexcept = default;
Vector& operator=(const Vector&) = default;
Vector& operator=(Vector&&) = default;
inline real* data() {
return data_.data();
}
inline const real* data() const {
return data_.data();
}
inline real& operator[](int64_t i) {
return data_[i];
}
inline const real& operator[](int64_t i) const {
return data_[i];
}
inline int64_t size() const {
return data_.size();
}
void zero();
void mul(real);
real norm() const;
void addVector(const Vector& source);
void addVector(const Vector&, real);
void addRow(const Matrix&, int64_t);
void addRow(const Matrix&, int64_t, real);
void mul(const Matrix&, const Vector&);
int64_t argmax();
};
std::ostream& operator<<(std::ostream&, const Vector&);
} // namespace fasttext
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