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Diffstat (limited to 'src/armadillo/include/armadillo_bits/podarray_bones.hpp')
-rw-r--r-- | src/armadillo/include/armadillo_bits/podarray_bones.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/armadillo/include/armadillo_bits/podarray_bones.hpp b/src/armadillo/include/armadillo_bits/podarray_bones.hpp new file mode 100644 index 0000000..9aa2cf1 --- /dev/null +++ b/src/armadillo/include/armadillo_bits/podarray_bones.hpp @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: Apache-2.0 +// +// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au) +// Copyright 2008-2016 National ICT Australia (NICTA) +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// ------------------------------------------------------------------------ + + +//! \addtogroup podarray +//! @{ + + + +struct podarray_prealloc_n_elem + { + static constexpr uword val = 16; + }; + + + +//! A lightweight array for POD types. For internal use only! +template<typename eT> +class podarray + { + public: + + arma_aligned const uword n_elem; //!< number of elements held + arma_aligned eT* mem; //!< pointer to memory used by the object + + + protected: + //! internal memory, to avoid calling the 'new' operator for small amounts of memory. + arma_align_mem eT mem_local[ podarray_prealloc_n_elem::val ]; + + + public: + + inline ~podarray(); + inline podarray(); + + inline podarray (const podarray& x); + inline const podarray& operator=(const podarray& x); + + arma_inline explicit podarray(const uword new_N); + + template<bool do_zeros> + inline explicit podarray(const uword new_N, const arma_initmode_indicator<do_zeros>&); + + arma_inline eT& operator[] (const uword i); + arma_inline eT operator[] (const uword i) const; + + arma_inline eT& operator() (const uword i); + arma_inline eT operator() (const uword i) const; + + inline void set_min_size(const uword min_n_elem); + + inline void set_size(const uword new_n_elem); + inline void reset(); + + + inline void fill(const eT val); + + inline void zeros(); + inline void zeros(const uword new_n_elem); + + arma_inline eT* memptr(); + arma_inline const eT* memptr() const; + + inline void copy_row(const Mat<eT>& A, const uword row); + + + protected: + + inline void init_cold(const uword new_n_elem); + inline void init_warm(const uword new_n_elem); + }; + + + +//! @} |