68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
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/*
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* This file is part of Codecrypt.
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*
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* Codecrypt is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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*
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* Codecrypt is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Codecrypt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ccr_bvector_h_
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#define _ccr_bvector_h_
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#include <vector>
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#include <string>
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#include "types.h"
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#include "vector_item.h"
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#include "sencode.h"
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/*
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* vector over GF(2). We rely on STL's vector<bool> == bit_vector
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* specialization for space efficiency.
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*
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* TODO. This is great, but some operations (ESPECIALLY add()) could be done
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* blockwise for O(cpu_word_size) speedup. Investigate/implement that. haha.
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*/
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class polynomial;
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class gf2m;
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class bvector : public std::vector<bool>
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{
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protected:
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_ccr_declare_vector_item
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public:
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uint hamming_weight();
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void add (const bvector&);
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void add_range (const bvector&, uint, uint);
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void add_offset (const bvector&, uint);
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void set_block (const bvector&, uint);
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void get_block (uint, uint, bvector&) const;
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bool operator* (const bvector&); //dot product
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bool zero() const;
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void to_poly (polynomial&, gf2m&) const;
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void from_poly (const polynomial&, gf2m&);
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void to_poly_cotrace (polynomial&, gf2m&) const;
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void from_poly_cotrace (const polynomial&, gf2m&);
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void colex_rank (bvector&) const;
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void colex_unrank (bvector&, uint n, uint k) const;
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bool to_string (std::string&) const;
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void from_string (const std::string&);
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sencode* serialize();
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bool unserialize (sencode*);
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};
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#endif
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