rknn-toolkit2-v2.1.0-2024-08-08
/
rknpu2
/examples
/3rdparty
/opencv
/opencv-linux-aarch64
/include
/opencv2
/flann
/matrix.h
/*********************************************************************** | |
* Software License Agreement (BSD License) | |
* | |
* Copyright 2008-2009 Marius Muja ([email protected]). All rights reserved. | |
* Copyright 2008-2009 David G. Lowe ([email protected]). All rights reserved. | |
* | |
* THE BSD LICENSE | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*************************************************************************/ | |
namespace cvflann | |
{ | |
/** | |
* Class that implements a simple rectangular matrix stored in a memory buffer and | |
* provides convenient matrix-like access using the [] operators. | |
*/ | |
template <typename T> | |
class Matrix | |
{ | |
public: | |
typedef T type; | |
size_t rows; | |
size_t cols; | |
size_t stride; | |
T* data; | |
Matrix() : rows(0), cols(0), stride(0), data(NULL) | |
{ | |
} | |
Matrix(T* data_, size_t rows_, size_t cols_, size_t stride_ = 0) : | |
rows(rows_), cols(cols_), stride(stride_), data(data_) | |
{ | |
if (stride==0) stride = cols; | |
} | |
/** | |
* Convenience function for deallocating the storage data. | |
*/ | |
CV_DEPRECATED void free() | |
{ | |
fprintf(stderr, "The cvflann::Matrix<T>::free() method is deprecated " | |
"and it does not do any memory deallocation any more. You are" | |
"responsible for deallocating the matrix memory (by doing" | |
"'delete[] matrix.data' for example)"); | |
} | |
/** | |
* Operator that return a (pointer to a) row of the data. | |
*/ | |
T* operator[](size_t index) const | |
{ | |
return data+index*stride; | |
} | |
}; | |
class UntypedMatrix | |
{ | |
public: | |
size_t rows; | |
size_t cols; | |
void* data; | |
flann_datatype_t type; | |
UntypedMatrix(void* data_, long rows_, long cols_) : | |
rows(rows_), cols(cols_), data(data_) | |
{ | |
} | |
~UntypedMatrix() | |
{ | |
} | |
template<typename T> | |
Matrix<T> as() | |
{ | |
return Matrix<T>((T*)data, rows, cols); | |
} | |
}; | |
} | |