function rand1( len, param1, param2, options ) {
			if ( arguments.length < 4 ) {
				return random.generate( len, param1, param2 );
			}
			return random.generate( len, param1, param2, options );
		}
Returns an array of pseudorandom values drawn from a PRNG.

@private
@param {NonNegativeInteger} len - output array length
@param {*} param1 - first PRNG parameter
@param {*} param2 - second PRNG parameter
@param {Options} [options] - function options
@param {string} [options.dtype] - output array data type
@throws {TypeError} first argument must be a nonnegative integer
@throws {TypeError} options argument must be an object
@throws {TypeError} must provide valid options
@returns {Collection} output array