numeric.hpp

/*
 * live_cells_cpp
 * Copyright (C) 2024  Alexander Gutev <alex.gutev@gmail.com>
 *
 * 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.
 */
 
#ifndef LIVE_CELLS_NUMERIC_HPP
#define LIVE_CELLS_NUMERIC_HPP
 
#include "constant_cell.hpp"
#include "observable.hpp"
#include "computed.hpp"
 
namespace live_cells {
    template <typename A, typename B>
    auto operator +(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a + b;
        });
    }
 
    template <typename A, typename B>
    auto operator -(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a - b;
        });
    }
 
    auto operator -(const Cell auto &cell) {
        return computed(cell, [] (auto value) {
            return -value;
        });
    }
 
    template <typename A, typename B>
    auto operator *(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a * b;
        });
    }
 
    template <typename A, typename B>
    auto operator /(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a / b;
        });
    }
 
    template <typename A, typename B>
    auto operator %(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a % b;
        });
    }
 
    template <typename A, typename B>
    auto operator <(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a < b;
        });
    }
 
    template <typename A, typename B>
    auto operator <=(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a <= b;
        });
    }
 
    template <typename A, typename B>
    auto operator >(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a > b;
        });
    }
 
    template <typename A, typename B>
    auto operator >=(const A &a, const B &b) requires (
        (Cell<A> && CellOrValue<B>) ||
        (CellOrValue<A> && Cell<B>)
    ) {
        return computed(ensure_cell(a), ensure_cell(b), [] (auto a, auto b) {
            return a >= b;
        });
    }
 
}  // live_cells
 
#endif /* LIVE_CELLS_NUMERIC_HPP */