func (b *Float64RingBuf) Advance(n int) {
	if n <= 0 {
		return
	}
	if n > b.Readable {
		n = b.Readable
	}
	b.Readable -= n
	b.Beg = (b.Beg + n) % b.N
}
func (b *Float64RingBuf) Advance(n int) {
	if n <= 0 {
		return
	}
	if n > b.Readable {
		n = b.Readable
	}
	b.Readable -= n
	b.Beg = (b.Beg + n) % b.N
}
func ( b * Float64RingBuf ) Advance ( n int ) { if n <= 0 { return } if n > b . Readable { n = b . Readable } b . Readable -= n b . Beg = ( b . Beg + n ) % b . N }
// Advance(): non-standard, but better than Next(),
// because we don't have to unwrap our buffer and pay the cpu time
// for the copy that unwrapping may need.
// Useful in conjuction/after ReadWithoutAdvance() above.
Advance () : non - standard but better than Next () because we don t have to unwrap our buffer and pay the cpu time for the copy that unwrapping may need . Useful in conjuction / after ReadWithoutAdvance () above .