An integrated circuit (IC) for convergent rounding including: an adder circuit configured to produce a summation; a comparison circuit configured to bitwise compare the summation with an input pattern, bitwise mask the comparison using a mask, and combine the masked comparison to produce a comparison...http://www.google.com.mx/patents/US7853636?utm_source=gb-gplus-sharePatent US7853636 - Digital signal processing circuit having a pattern detector circuit for convergent rounding
