63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#ifndef _AL_FUNCTION_HPP
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#define _AL_FUNCTION_HPP
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#include <cassert>
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#include <string>
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template<class STORAGE, size_t VALUES_COUNT>
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class Function {
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public:
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Function(): _function_values(0) {}
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explicit Function(STORAGE val): _function_values(val) {}
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explicit Function(std::string val): _function_values(0) {
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assert(("bad input string size", val.size() == VALUES_COUNT));
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STORAGE cur_dig = 1;
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for (auto it = val.rbegin(); it != val.rend(); ++it) {
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if ( *it == '0' ) {
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// nothing to do here
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} else if ( *it == '1' ) {
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_function_values += cur_dig;
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} else {
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assert(("bad input string", false));
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}
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cur_dig *= 2;
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}
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}
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std::string string() const {
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std::string res(VALUES_COUNT, '0');
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STORAGE tmp_val = _function_values;
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for (size_t ind = 0; ind < VALUES_COUNT; ++ind) {
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char cur_ch = tmp_val % 2 == 0 ? '0' : '1';
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res[VALUES_COUNT - ind - 1] = cur_ch;
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tmp_val /= 2;
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}
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return res;
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}
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Function operator and (Function other) const {
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return Function(_function_values & other._function_values);
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}
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Function operator or (Function other) const {
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return Function(_function_values | other._function_values);
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}
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Function operator xor(Function other) const {
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return Function(_function_values ^ other._function_values);
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}
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bool operator < (Function other) const {
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return _function_values < other._function_values;
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}
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bool operator == (Function other) const {
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return _function_values == other._function_values;
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}
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STORAGE value() const {
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return _function_values;
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}
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private:
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STORAGE _function_values;
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};
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#endif // _AL_FUNCTION_HPP
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