86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/**++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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*
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* PANIC
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* Portable Algorithms and Numerics In C++
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*
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* Scientific computing from scratch, with feeling.
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*
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* Copyright (c) 2026 Michelle Bausager
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*
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* This file is part of PANIC.
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*
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* PANIC is free software licensed under the GNU General Public License v3.0 or later.
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* You may redistribute and/or modify it under the terms of the GPL.
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*
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* PANIC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the LICENSE file for the full license text.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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*
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* Project Name: PANIC
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* Module Name: math
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* File Name: transpose.hpp
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* Revision: 0.1.0
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* Date: 31-07-2026
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* Author: Michelle Bausager
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*
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* Description:
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* Functions to transpose a matrix;
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*
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*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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#pragma once
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//---------------------------------------------------------------------------------------------------------------------------
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// INCLUDE DESCRIPTION
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//-----------------------------------------------------------------------------------------------------
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#include <tensor/matrix.hpp> // for panic::real_matrix
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namespace panic{
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namespace math{
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/**
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* @brief Transposes a matrix.
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*
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* Computes:
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* @code
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* B = transpose(A)
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* @endcode
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*
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* @tparam T Numeric element type.
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* @param A Input matrix.
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* @param B Output matrix with result.
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*
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* @return true if success
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* @return false if resizeing fails or dimention mismatch
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*
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*/
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template <typename T>
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bool transpose(const panic::tensor::matrix<T>& A, panic::tensor::matrix<T>& B);
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/**
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* @brief Returns a new matrix of the transposed A.
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*
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* Computes:
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* @code
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* result = transpose(A)
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* @endcode
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*
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* @tparam T Numeric element type.
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* @param A Input matrix.
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*
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* @return A new matrix containing the result.
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* @return An empty vector if the operation fails.
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*
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* @note This overload is convenient, but may allocate a new matrix.
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*/
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template <typename T>
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panic::tensor::matrix<T> transpose(const panic::tensor::matrix<T>& A);
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} // namespace math
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} // namespace panic
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