/**
 * logic has been taken from here:
 * https://www.teoria.com/en/articles/temperaments/02-pythagoras.php
 */
export declare function pythagorean(reference: number): {
    M2: {
        up: number;
    };
    M3: {
        up: number;
    };
    P4: {
        up: number;
    };
    P5: {
        up: number;
    };
    m6: {
        up: number;
    };
    M7: {
        up: number;
    };
    P8: {
        up: number;
    };
};