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mul12u_2DU.v
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mul12u_2DU.v
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/***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, Z. Vasicek, L. Sekanina, H. Jiang and J. Han, "Scalable Construction of Approximate Multipliers With Formally Guaranteed Worst Case Error" in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 11, pp. 2572-2576, Nov. 2018. doi: 10.1109/TVLSI.2018.2856362
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mre parameters
***/
// MAE% = 0.18 %
// MAE = 30720
// WCE% = 0.73 %
// WCE = 122881
// WCRE% = 100.00 %
// EP% = 99.90 %
// MRE% = 3.29 %
// MSE = 12148.233e5
// PDK45_PWR = 0.369 mW
// PDK45_AREA = 617.6 um2
// PDK45_DELAY = 1.80 ns
module mul12u_2DU ( A, B, O );
input [11:0] A;
input [11:0] B;
output [23:0] O;
wire C_10_10,C_10_3,C_10_4,C_10_5,C_10_6,C_10_7,C_10_8,C_10_9,C_11_10,C_11_2,C_11_3,C_11_4,C_11_5,C_11_6,C_11_7,C_11_8,C_11_9,C_12_10,C_12_2,C_12_3,C_12_4,C_12_5,C_12_6,C_12_7,C_12_8,C_12_9,C_5_10,C_5_8,C_5_9,C_6_10,C_6_7,C_6_8,C_6_9,C_7_10,C_7_6,C_7_7,C_7_8,C_7_9,C_8_10,C_8_5,C_8_6,C_8_7,C_8_8,C_8_9,C_9_10,C_9_4,C_9_5,C_9_6,C_9_7,C_9_8,C_9_9,S_10_10,S_10_11,S_10_3,S_10_4,S_10_5,S_10_6,S_10_7,S_10_8,S_10_9,S_11_10,S_11_11,S_11_2,S_11_3,S_11_4,S_11_5,S_11_6,S_11_7,S_11_8,S_11_9,S_12_1,S_12_10,S_12_11,S_12_2,S_12_3,S_12_4,S_12_5,S_12_6,S_12_7,S_12_8,S_12_9,S_4_10,S_4_11,S_4_9,S_5_10,S_5_11,S_5_8,S_5_9,S_6_10,S_6_11,S_6_7,S_6_8,S_6_9,S_7_10,S_7_11,S_7_6,S_7_7,S_7_8,S_7_9,S_8_10,S_8_11,S_8_5,S_8_6,S_8_7,S_8_8,S_8_9,S_9_10,S_9_11,S_9_4,S_9_5,S_9_6,S_9_7,S_9_8,S_9_9;
assign S_4_9 = (A[4] & B[9]);
assign S_4_10 = (A[4] & B[10]);
assign S_4_11 = (A[4] & B[11]);
PDKGENHAX1 U40557 (.A(S_4_9), .B((A[5] & B[8])), .YS(S_5_8), .YC(C_5_8));
PDKGENHAX1 U40558 (.A(S_4_10), .B((A[5] & B[9])), .YS(S_5_9), .YC(C_5_9));
PDKGENHAX1 U40559 (.A(S_4_11), .B((A[5] & B[10])), .YS(S_5_10), .YC(C_5_10));
assign S_5_11 = (A[5] & B[11]);
PDKGENHAX1 U40568 (.A(S_5_8), .B((A[6] & B[7])), .YS(S_6_7), .YC(C_6_7));
PDKGENFAX1 U40569 (.A(S_5_9), .B(C_5_8), .C((A[6] & B[8])), .YS(S_6_8), .YC(C_6_8));
PDKGENFAX1 U40570 (.A(S_5_10), .B(C_5_9), .C((A[6] & B[9])), .YS(S_6_9), .YC(C_6_9));
PDKGENFAX1 U40571 (.A(S_5_11), .B(C_5_10), .C((A[6] & B[10])), .YS(S_6_10), .YC(C_6_10));
assign S_6_11 = (A[6] & B[11]);
PDKGENHAX1 U40579 (.A(S_6_7), .B((A[7] & B[6])), .YS(S_7_6), .YC(C_7_6));
PDKGENFAX1 U40580 (.A(S_6_8), .B(C_6_7), .C((A[7] & B[7])), .YS(S_7_7), .YC(C_7_7));
PDKGENFAX1 U40581 (.A(S_6_9), .B(C_6_8), .C((A[7] & B[8])), .YS(S_7_8), .YC(C_7_8));
PDKGENFAX1 U40582 (.A(S_6_10), .B(C_6_9), .C((A[7] & B[9])), .YS(S_7_9), .YC(C_7_9));
PDKGENFAX1 U40583 (.A(S_6_11), .B(C_6_10), .C((A[7] & B[10])), .YS(S_7_10), .YC(C_7_10));
assign S_7_11 = (A[7] & B[11]);
PDKGENHAX1 U40590 (.A(S_7_6), .B((A[8] & B[5])), .YS(S_8_5), .YC(C_8_5));
PDKGENFAX1 U40591 (.A(S_7_7), .B(C_7_6), .C((A[8] & B[6])), .YS(S_8_6), .YC(C_8_6));
PDKGENFAX1 U40592 (.A(S_7_8), .B(C_7_7), .C((A[8] & B[7])), .YS(S_8_7), .YC(C_8_7));
PDKGENFAX1 U40593 (.A(S_7_9), .B(C_7_8), .C((A[8] & B[8])), .YS(S_8_8), .YC(C_8_8));
PDKGENFAX1 U40594 (.A(S_7_10), .B(C_7_9), .C((A[8] & B[9])), .YS(S_8_9), .YC(C_8_9));
PDKGENFAX1 U40595 (.A(S_7_11), .B(C_7_10), .C((A[8] & B[10])), .YS(S_8_10), .YC(C_8_10));
assign S_8_11 = (A[8] & B[11]);
PDKGENHAX1 U40601 (.A(S_8_5), .B((A[9] & B[4])), .YS(S_9_4), .YC(C_9_4));
PDKGENFAX1 U40602 (.A(S_8_6), .B(C_8_5), .C((A[9] & B[5])), .YS(S_9_5), .YC(C_9_5));
PDKGENFAX1 U40603 (.A(S_8_7), .B(C_8_6), .C((A[9] & B[6])), .YS(S_9_6), .YC(C_9_6));
PDKGENFAX1 U40604 (.A(S_8_8), .B(C_8_7), .C((A[9] & B[7])), .YS(S_9_7), .YC(C_9_7));
PDKGENFAX1 U40605 (.A(S_8_9), .B(C_8_8), .C((A[9] & B[8])), .YS(S_9_8), .YC(C_9_8));
PDKGENFAX1 U40606 (.A(S_8_10), .B(C_8_9), .C((A[9] & B[9])), .YS(S_9_9), .YC(C_9_9));
PDKGENFAX1 U40607 (.A(S_8_11), .B(C_8_10), .C((A[9] & B[10])), .YS(S_9_10), .YC(C_9_10));
assign S_9_11 = (A[9] & B[11]);
PDKGENHAX1 U40612 (.A(S_9_4), .B((A[10] & B[3])), .YS(S_10_3), .YC(C_10_3));
PDKGENFAX1 U40613 (.A(S_9_5), .B(C_9_4), .C((A[10] & B[4])), .YS(S_10_4), .YC(C_10_4));
PDKGENFAX1 U40614 (.A(S_9_6), .B(C_9_5), .C((A[10] & B[5])), .YS(S_10_5), .YC(C_10_5));
PDKGENFAX1 U40615 (.A(S_9_7), .B(C_9_6), .C((A[10] & B[6])), .YS(S_10_6), .YC(C_10_6));
PDKGENFAX1 U40616 (.A(S_9_8), .B(C_9_7), .C((A[10] & B[7])), .YS(S_10_7), .YC(C_10_7));
PDKGENFAX1 U40617 (.A(S_9_9), .B(C_9_8), .C((A[10] & B[8])), .YS(S_10_8), .YC(C_10_8));
PDKGENFAX1 U40618 (.A(S_9_10), .B(C_9_9), .C((A[10] & B[9])), .YS(S_10_9), .YC(C_10_9));
PDKGENFAX1 U40619 (.A(S_9_11), .B(C_9_10), .C((A[10] & B[10])), .YS(S_10_10), .YC(C_10_10));
assign S_10_11 = (A[10] & B[11]);
PDKGENHAX1 U40623 (.A(S_10_3), .B((A[11] & B[2])), .YS(S_11_2), .YC(C_11_2));
PDKGENFAX1 U40624 (.A(S_10_4), .B(C_10_3), .C((A[11] & B[3])), .YS(S_11_3), .YC(C_11_3));
PDKGENFAX1 U40625 (.A(S_10_5), .B(C_10_4), .C((A[11] & B[4])), .YS(S_11_4), .YC(C_11_4));
PDKGENFAX1 U40626 (.A(S_10_6), .B(C_10_5), .C((A[11] & B[5])), .YS(S_11_5), .YC(C_11_5));
PDKGENFAX1 U40627 (.A(S_10_7), .B(C_10_6), .C((A[11] & B[6])), .YS(S_11_6), .YC(C_11_6));
PDKGENFAX1 U40628 (.A(S_10_8), .B(C_10_7), .C((A[11] & B[7])), .YS(S_11_7), .YC(C_11_7));
PDKGENFAX1 U40629 (.A(S_10_9), .B(C_10_8), .C((A[11] & B[8])), .YS(S_11_8), .YC(C_11_8));
PDKGENFAX1 U40630 (.A(S_10_10), .B(C_10_9), .C((A[11] & B[9])), .YS(S_11_9), .YC(C_11_9));
PDKGENFAX1 U40631 (.A(S_10_11), .B(C_10_10), .C((A[11] & B[10])), .YS(S_11_10), .YC(C_11_10));
assign S_11_11 = (A[11] & B[11]);
assign S_12_1 = S_11_2;
PDKGENHAX1 U40635 (.A(S_11_3), .B(C_11_2), .YS(S_12_2), .YC(C_12_2));
PDKGENFAX1 U40636 (.A(S_11_4), .B(C_12_2), .C(C_11_3), .YS(S_12_3), .YC(C_12_3));
PDKGENFAX1 U40637 (.A(S_11_5), .B(C_12_3), .C(C_11_4), .YS(S_12_4), .YC(C_12_4));
PDKGENFAX1 U40638 (.A(S_11_6), .B(C_12_4), .C(C_11_5), .YS(S_12_5), .YC(C_12_5));
PDKGENFAX1 U40639 (.A(S_11_7), .B(C_12_5), .C(C_11_6), .YS(S_12_6), .YC(C_12_6));
PDKGENFAX1 U40640 (.A(S_11_8), .B(C_12_6), .C(C_11_7), .YS(S_12_7), .YC(C_12_7));
PDKGENFAX1 U40641 (.A(S_11_9), .B(C_12_7), .C(C_11_8), .YS(S_12_8), .YC(C_12_8));
PDKGENFAX1 U40642 (.A(S_11_10), .B(C_12_8), .C(C_11_9), .YS(S_12_9), .YC(C_12_9));
PDKGENFAX1 U40643 (.A(S_11_11), .B(C_12_9), .C(C_11_10), .YS(S_12_10), .YC(C_12_10));
assign S_12_11 = C_12_10;
assign O = {S_12_11,S_12_10,S_12_9,S_12_8,S_12_7,S_12_6,S_12_5,S_12_4,S_12_3,S_12_2,S_12_1,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0};
endmodule
/* mod */
module PDKGENHAX1( input A, input B, output YS, output YC );
assign YS = A ^ B;
assign YC = A & B;
endmodule
/* mod */
module PDKGENFAX1( input A, input B, input C, output YS, output YC );
assign YS = (A ^ B) ^ C;
assign YC = (A & B) | (B & C) | (A & C);
endmodule