Approximate Recursive Multipliers Files

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      This code is provided here for educational purpose(s) only.  For questions/suggestions
 please email Haroon Waris (haroonwaris@nuaa.edu.cn) or Dr. Weiqiang Liu (liuweiqiang@nuaa.edu.cn)
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This directory contains the Verilog sources of our paper,"AxRMs: Approximate Recursive Multipliers using High-Performance Building Blocks", which is currently under review. 


1.  Mul2_a.v is the proposed (less-approximated) 2x2 approximate multiplier.
2.  Mul2_b.v is the proposed (more-approximated) 2x2 approximate multiplier.

3.  Exact_FA.v is the accurate full adder.
4.  Exact_HA.v is the accurate half adder.
5.  Exact_Mul2.v is the accurate 2x2 multiplier.

6.  Oa_exact.v/Ob_exact.v/Oc_exact.v/Od_exact.v are the exact 4x4 multipliers.
    Dependencies: Exact_Mul2.v, Exact_FA.v, Exact_HA.v
	 
7.  Oa_approx.v/Ob_approx.v are the approximate 4x4 multipliers.
    Dependencies: Mul2_b.v, Exact_FA.v, Exact_HA.v

8.  Oc_approx.v is the approximate 4x4 multiplier.
    Dependencies: Mul2_a.v, Exact_FA.v, Exact_HA.v

9.  AxRM1.v is the approximate 8x8 multiplier.
    Dependencies: Oa_approx.v, Ob_exact.v, Oc_exact.v, Od_exact.v, Exact_FA.v, Exact_HA.v

10. AxRM2.v is the approximate 8x8 multiplier.
    Dependencies: Oa_approx.v, Ob_approx.v, Oc_exact.v, Od_exact.v, Exact_FA.v, Exact_HA.v

11. AxRM3.v is the approximate 8x8 multiplier.
    Dependencies: Oa_approx.v, Ob_approx.v, Oc_approx.v, Od_exact.v, Exact_FA.v, Exact_HA.v