function createStream2() {
		return new RandomStream( a, b, c, opts );
	}
Returns a readable stream for generating pseudorandom numbers drawn from a triangular distribution.

@private
@throws {TypeError} `a` must be a number
@throws {TypeError} `b` must be a number
@throws {TypeError} `c` must be a number
@throws {RangeError} arguments must satisfy `a <= c <= b`
@throws {TypeError} options argument must be an object
@throws {TypeError} must provide valid options
@throws {Error} must provide a valid state
@returns {RandomStream} Stream instance