X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2Fcml%2Fcore%2Fexternal_2D.h;fp=src%2FMoof%2Fcml%2Fcore%2Fexternal_2D.h;h=0000000000000000000000000000000000000000;hp=fec6a7627f9bd75023d827ea876782ebae8475b9;hb=831f04d4bc19a390415ac0bbac4331c7a65509bc;hpb=299af4f2047e767e5d79501c26444473bda64c64 diff --git a/src/Moof/cml/core/external_2D.h b/src/Moof/cml/core/external_2D.h deleted file mode 100644 index fec6a76..0000000 --- a/src/Moof/cml/core/external_2D.h +++ /dev/null @@ -1,305 +0,0 @@ -/* -*- C++ -*- ------------------------------------------------------------ - -Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/ - -The Configurable Math Library (CML) is distributed under the terms of the -Boost Software License, v1.0 (see cml/LICENSE for details). - - *-----------------------------------------------------------------------*/ -/** @file - * @brief - * - * Defines the fixed-size and runtime-sized external 2D arrays. - * - * @todo Would casting get better performance in the external_2D<> element - * access methods? - */ - -#ifndef external_2D_h -#define external_2D_h - -#include -#include -#include -#include -#include -#include - -namespace cml { - -/** Fixed-size external 2D array. - * - * Both the memory and the size are fixed at compile time, and cannot be - * changed. - */ -template -class external_2D -{ - public: - - /* Require Rows > 0, Cols > 0: */ - CML_STATIC_REQUIRE((Rows > 0) && (Cols > 0)); - - /* Record the generator: */ - typedef external generator_type; - - /* Standard: */ - typedef Element value_type; - typedef Element* pointer; - typedef Element& reference; - typedef const Element& const_reference; - typedef const Element* const_pointer; - - /* For matching by memory layout: */ - typedef Layout layout; - - /* For matching by memory type: */ - typedef external_memory_tag memory_tag; - - /* For matching by size type: */ - typedef fixed_size_tag size_tag; - - /* For matching by resizability: */ - typedef not_resizable_tag resizing_tag; - - /* For matching by dimensions: */ - typedef twod_tag dimension_tag; - - /* To simplify the matrix transpose operator: */ - typedef fixed_2D::type, - Cols,Rows,Layout> transposed_type; - /* Note: the transposed type must be fixed_2D, since an external array - * cannot be specified without a corresponding memory location. - */ - - /* To simplify the matrix row and column operators: */ - typedef fixed_1D row_array_type; - typedef fixed_1D col_array_type; - /* Note: the row types must be fixed_1D, since external arrays cannot be - * specified without a memory location. - */ - - - public: - - enum { array_rows = Rows, array_cols = Cols }; - - - public: - - /** Construct an external array from a pointer. */ - external_2D(value_type const ptr[Rows][Cols]) - : m_data(const_cast(&ptr[0][0])) {} - - /** Construct an external array from a pointer. */ - external_2D(value_type* const ptr) : m_data(ptr) {} - - - public: - - /** Return the number of rows in the array. */ - size_t rows() const { return size_t(array_rows); } - - /** Return the number of cols in the array. */ - size_t cols() const { return size_t(array_cols); } - - - public: - - /** Access element (row,col) of the matrix. - * - * @param row row of element. - * @param col column of element. - * @returns mutable reference. - * - * @note This function does not range-check the arguments. - */ - reference operator()(size_t row, size_t col) { - /* Dispatch to the right function based on layout: */ - return get_element(row,col,layout()); - } - - /** Const access element (row,col) of the matrix. - * - * @param row row of element. - * @param col column of element. - * @returns const reference. - * - * @note This function does not range-check the arguments. - */ - const_reference operator()(size_t row, size_t col) const { - /* Dispatch to the right function based on layout: */ - return get_element(row,col,layout()); - } - - /** Return access to the data as a raw pointer. */ - pointer data() { return m_data; } - - /** Return access to the data as a raw pointer. */ - const_pointer data() const { return m_data; } - - - protected: - - /* XXX May be able to cast to get better performance? */ - reference get_element(size_t row, size_t col, row_major) { - return m_data[row*Cols + col]; - } - - const_reference get_element(size_t row, size_t col, row_major) const { - return m_data[row*Cols + col]; - } - - reference get_element(size_t row, size_t col, col_major) { - return m_data[col*Rows + row]; - } - - const_reference get_element(size_t row, size_t col, col_major) const { - return m_data[col*Rows + row]; - } - - - protected: - - /* Declare the data array: */ - pointer const m_data; -}; - -/** Run-time sized external 2D array. - * - * Both the memory and the size are fixed at run-time, but cannot be changed. - * This is a specialization for the case that Rows and Cols are not specified - * (i.e. given as the default of -1,-1). - */ -template -class external_2D -{ - public: - - /* Record the generator. Note: this is *not* unique, as it is the same - * generator used by external_1D. However, external_1D is used only by - * vector<> classes, so this is not a problem. - */ - typedef external<> generator_type; - - /* Standard: */ - typedef Element value_type; - typedef Element* pointer; - typedef Element& reference; - typedef const Element& const_reference; - typedef const Element* const_pointer; - - /* For matching by memory layout: */ - typedef Layout layout; - - /* For matching by memory type: */ - typedef external_memory_tag memory_tag; - - /* For matching by size type: */ - typedef dynamic_size_tag size_tag; - - /* For matching by resizability: */ - typedef not_resizable_tag resizing_tag; - - /* For matching by dimensions: */ - typedef twod_tag dimension_tag; - - /* To simplify the matrix transpose operator: */ - typedef dynamic_2D::type, - Layout, CML_DEFAULT_ARRAY_ALLOC> transposed_type; - - /* To simplify the matrix row and column operators: */ - typedef dynamic_1D row_array_type; - typedef dynamic_1D col_array_type; - - - public: - - enum { array_rows = -1, array_cols = -1 }; - - - public: - - /** Construct an external array with no size. */ - external_2D(pointer const ptr, size_t rows, size_t cols) - : m_data(ptr), m_rows(rows), m_cols(cols) {} - - - public: - - /** Return the number of rows in the array. */ - size_t rows() const { return m_rows; } - - /** Return the number of cols in the array. */ - size_t cols() const { return m_cols; } - - - public: - - /** Access element (row,col) of the matrix. - * - * @param row row of element. - * @param col column of element. - * @returns mutable reference. - * - * @note This function does not range-check the arguments. - */ - reference operator()(size_t row, size_t col) { - /* Dispatch to the right function based on layout: */ - return get_element(row,col,layout()); - } - - /** Const access element (row,col) of the matrix. - * - * @param row row of element. - * @param col column of element. - * @returns const reference. - * - * @note This function does not range-check the arguments. - */ - const_reference operator()(size_t row, size_t col) const { - /* Dispatch to the right function based on layout: */ - return get_element(row,col,layout()); - } - - /** Return access to the data as a raw pointer. */ - pointer data() { return m_data; } - - /** Return access to the data as a raw pointer. */ - const_pointer data() const { return m_data; } - - - protected: - - /* XXX May be able to cast to get better performance? */ - reference get_element(size_t row, size_t col, row_major) { - return m_data[row*m_cols + col]; - } - - const_reference get_element(size_t row, size_t col, row_major) const { - return m_data[row*m_cols + col]; - } - - reference get_element(size_t row, size_t col, col_major) { - return m_data[col*m_rows + row]; - } - - const_reference get_element(size_t row, size_t col, col_major) const { - return m_data[col*m_rows + row]; - } - - - protected: - - /* Declare the data array: */ - value_type* const m_data; - const size_t m_rows; - const size_t m_cols; -}; - -} // namespace cml - -#endif - -// ------------------------------------------------------------------------- -// vim:ft=cpp