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author | Éanna Ó Catháin <eanna.ocathain@arm.com> | 2021-04-07 14:35:25 +0100 |
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committer | Jim Flynn <jim.flynn@arm.com> | 2021-05-07 09:11:52 +0000 |
commit | c6ab02a626e15b4a12fc09ecd844eb8b95380c3c (patch) | |
tree | 9912ed9cdb89cdb24483b22d6621ae30049ae321 /samples/SpeechRecognition/include/DataStructures.hpp | |
parent | e813d67f86df41a238ff79b5c554ef5027f56576 (diff) | |
download | armnn-c6ab02a626e15b4a12fc09ecd844eb8b95380c3c.tar.gz |
MLECO-1252 ASR sample application using the public ArmNN C++ API.
Change-Id: I98cd505b8772a8c8fa88308121bc94135bb45068
Signed-off-by: Éanna Ó Catháin <eanna.ocathain@arm.com>
Diffstat (limited to 'samples/SpeechRecognition/include/DataStructures.hpp')
-rw-r--r-- | samples/SpeechRecognition/include/DataStructures.hpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/samples/SpeechRecognition/include/DataStructures.hpp b/samples/SpeechRecognition/include/DataStructures.hpp new file mode 100644 index 0000000000..9922265299 --- /dev/null +++ b/samples/SpeechRecognition/include/DataStructures.hpp @@ -0,0 +1,102 @@ +// +// Copyright © 2020 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#pragma once + +#include <stdio.h> +#include <iterator> + +/** + * Class Array2d is a data structure that represents a two dimensional array. + * The data is allocated in contiguous memory, arranged row-wise + * and individual elements can be accessed with the () operator. + * For example a two dimensional array D of size (M, N) can be accessed: + * + * _|<------------- col size = N -------->| + * | D(r=0, c=0) D(r=0, c=1)... D(r=0, c=N) + * | D(r=1, c=0) D(r=1, c=1)... D(r=1, c=N) + * | ... + * row size = M ... + * | ... + * _ D(r=M, c=0) D(r=M, c=1)... D(r=M, c=N) + * + */ +template<typename T> +class Array2d +{ +private: + size_t m_rows; + size_t m_cols; + T* m_data; + +public: + /** + * Creates the array2d with the given sizes. + * + * @param rows number of rows. + * @param cols number of columns. + */ + Array2d(unsigned rows, unsigned cols) + { + if (rows == 0 || cols == 0) { + printf("Array2d constructor has 0 size.\n"); + m_data = nullptr; + return; + } + m_rows = rows; + m_cols = cols; + m_data = new T[rows * cols]; + } + + ~Array2d() + { + delete[] m_data; + } + + T& operator() (unsigned int row, unsigned int col) + { + return m_data[m_cols * row + col]; + } + + T operator() (unsigned int row, unsigned int col) const + { + return m_data[m_cols * row + col]; + } + + /** + * Gets rows number of the current array2d. + * @return number of rows. + */ + size_t size(size_t dim) + { + switch (dim) + { + case 0: + return m_rows; + case 1: + return m_cols; + default: + return 0; + } + } + + /** + * Gets the array2d total size. + */ + size_t totalSize() + { + return m_rows * m_cols; + } + + /** + * array2d iterator. + */ + using iterator=T*; + using const_iterator=T const*; + + iterator begin() { return m_data; } + iterator end() { return m_data + totalSize(); } + const_iterator begin() const { return m_data; } + const_iterator end() const { return m_data + totalSize(); }; +}; |