Semiring: Plus Times
(algebra/semiring_plus_times.hpp)

• View this file on GitHub
• Last update: 2026-10-23 22:22:20+09:00
• Include: #include "algebra/semiring_plus_times.hpp"

Required by

• Matrix (math/matrix.hpp)

Verified with

• test/library-checker/matrix_product.test.cpp
• test/library-checker/pow_of_matrix.test.cpp
• test/unit/matrix.test.cpp

Code

#pragma once
template <class T>
struct semiring_plus_times {
    using S = T;
    static S add(S a, S b) {
        return a + b;
    }
    static S zero() {
        return T(0);
    }
    static S mul(S a, S b) {
        return a * b;
    }
    static S one() {
        return T(1);
    }
};

#line 2 "algebra/semiring_plus_times.hpp"
template <class T>
struct semiring_plus_times {
    using S = T;
    static S add(S a, S b) {
        return a + b;
    }
    static S zero() {
        return T(0);
    }
    static S mul(S a, S b) {
        return a * b;
    }
    static S one() {
        return T(1);
    }
};

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