Aryadev Chavali
163f1e691a
Abstracting the interface more, such that callers can use functions rather than accessing internals directly, allows me to refactor the allocator without having to do a ton of edits all across the source tree.
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/* Copyright (C) 2024 Aryadev Chavali
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* This program 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 FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License Version 2 for
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* details.
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* You may distribute and modify this code under the terms of the GNU General
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* Public License Version 2, which you should have received a copy of along with
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* this program. If not, please go to <https://www.gnu.org/licenses/>.
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* Created: 2024-07-26
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* Author: Aryadev Chavali
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* Description: Computation necessary for generating the tree
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*/
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#ifndef NUMERICS_HPP
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#define NUMERICS_HPP
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#include <cstdint>
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#include <optional>
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#include <queue>
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#include <string>
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#include <vector>
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#define MIN(A, B) ((A) < (B) ? (A) : (B))
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#define MAX(A, B) ((B) < (A) ? (A) : (B))
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typedef uint64_t word_t;
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typedef std::optional<word_t> index_t;
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struct Fraction
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{
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word_t numerator, denominator;
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long double norm;
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Fraction(word_t numerator = 0, word_t denominator = 1);
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bool operator<(const Fraction other);
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bool operator==(const Fraction &other);
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};
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struct Node
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{
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Fraction value;
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index_t left, right;
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Node(Fraction val = {}, index_t left = std::nullopt,
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index_t right = std::nullopt);
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};
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struct NodeAllocator
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{
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std::vector<Node> vec;
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NodeAllocator(word_t capacity);
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word_t alloc(Node n);
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Node getVal(word_t n) const;
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Node &getRef(word_t n);
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};
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word_t gcd(word_t a, word_t b);
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Fraction iterate(std::queue<word_t> &queue, NodeAllocator &allocator);
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std::string to_string(const Fraction &);
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std::string to_string(const NodeAllocator &, const index_t, int depth = 1);
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#endif
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