lib/runtime/modules/math.js
function(seed) {
    if (!values.isNumber(seed)) {
        throw errors.typeErrorFunction('Math.seed', 'number', seed);
    }
    _random = seedrandom(seed);
    return null;
}
function(seed) {
    if (!values.isNumber(seed)) {
        throw errors.typeErrorFunction('Math.seed', 'number', seed);
    }
    _random = seedrandom(seed);
    return null;
}
function ( seed ) { if ( ! values . isNumber ( seed ) ) { throw errors . typeErrorFunction ( 'Math.seed' , 'number' , seed ) ; } _random = seedrandom ( seed ) ; return null ; }
juttle's global RNG
juttle s global RNG