/***
* 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 mse parameters
***/
// MAE% = 0.019 %
// MAE = 12 
// WCE% = 0.075 %
// WCE = 49 
// WCRE% = 4900.00 %
// EP% = 81.25 %
// MRE% = 2.53 %
// MSE = 248 
// PDK45_PWR = 0.391 mW
// PDK45_AREA = 641.1 um2
// PDK45_DELAY = 1.51 ns


module mul8s_1KVA ( A, B, O );
  input [7:0] A;
  input [7:0] B;
  output [15:0] O;

  wire C_1_3,C_1_4,C_1_5,C_1_6,C_1_7,C_2_2,C_2_3,C_2_4,C_2_5,C_2_6,C_2_7,C_3_1,C_3_2,C_3_3,C_3_4,C_3_5,C_3_6,C_3_7,C_4_0,C_4_1,C_4_2,C_4_3,C_4_4,C_4_5,C_4_6,C_4_7,C_5_0,C_5_1,C_5_2,C_5_3,C_5_4,C_5_5,C_5_6,C_5_7,C_6_0,C_6_1,C_6_2,C_6_3,C_6_4,C_6_5,C_6_6,C_6_7,C_7_0,C_7_1,C_7_2,C_7_3,C_7_4,C_7_5,C_7_6,C_7_7,C_8_0,C_8_1,C_8_2,C_8_3,C_8_4,C_8_5,C_8_6,C_8_7,S_0_4,S_0_5,S_0_6,S_0_7,S_1_3,S_1_4,S_1_5,S_1_6,S_1_7,S_2_2,S_2_3,S_2_4,S_2_5,S_2_6,S_2_7,S_3_1,S_3_2,S_3_3,S_3_4,S_3_5,S_3_6,S_3_7,S_4_0,S_4_1,S_4_2,S_4_3,S_4_4,S_4_5,S_4_6,S_4_7,S_5_0,S_5_1,S_5_2,S_5_3,S_5_4,S_5_5,S_5_6,S_5_7,S_6_0,S_6_1,S_6_2,S_6_3,S_6_4,S_6_5,S_6_6,S_6_7,S_7_0,S_7_1,S_7_2,S_7_3,S_7_4,S_7_5,S_7_6,S_7_7,S_8_0,S_8_1,S_8_2,S_8_3,S_8_4,S_8_5,S_8_6,S_8_7;

  assign S_0_4 = (A[0] & B[4]);
  assign S_0_5 = (A[0] & B[5]);
  assign S_0_6 = (A[0] & B[6]);
  assign S_0_7 = ~(A[0] & B[7]);
  PDKGENHAX1 U588 (.A(S_0_4), .B((A[1] & B[3])), .YS(S_1_3), .YC(C_1_3));
  PDKGENHAX1 U589 (.A(S_0_5), .B((A[1] & B[4])), .YS(S_1_4), .YC(C_1_4));
  PDKGENHAX1 U590 (.A(S_0_6), .B((A[1] & B[5])), .YS(S_1_5), .YC(C_1_5));
  PDKGENHAX1 U591 (.A(S_0_7), .B((A[1] & B[6])), .YS(S_1_6), .YC(C_1_6));
  PDKGENHAX1 U592 (.A(1'b1), .B(~(A[1] & B[7])), .YS(S_1_7), .YC(C_1_7));
  PDKGENHAX1 U595 (.A(S_1_3), .B((A[2] & B[2])), .YS(S_2_2), .YC(C_2_2));
  PDKGENFAX1 U596 (.A(S_1_4), .B(C_1_3), .C((A[2] & B[3])), .YS(S_2_3), .YC(C_2_3));
  PDKGENFAX1 U597 (.A(S_1_5), .B(C_1_4), .C((A[2] & B[4])), .YS(S_2_4), .YC(C_2_4));
  PDKGENFAX1 U598 (.A(S_1_6), .B(C_1_5), .C((A[2] & B[5])), .YS(S_2_5), .YC(C_2_5));
  PDKGENFAX1 U599 (.A(S_1_7), .B(C_1_6), .C((A[2] & B[6])), .YS(S_2_6), .YC(C_2_6));
  PDKGENHAX1 U600 (.A(C_1_7), .B(~(A[2] & B[7])), .YS(S_2_7), .YC(C_2_7));
  PDKGENHAX1 U602 (.A(S_2_2), .B((A[3] & B[1])), .YS(S_3_1), .YC(C_3_1));
  PDKGENFAX1 U603 (.A(S_2_3), .B(C_2_2), .C((A[3] & B[2])), .YS(S_3_2), .YC(C_3_2));
  PDKGENFAX1 U604 (.A(S_2_4), .B(C_2_3), .C((A[3] & B[3])), .YS(S_3_3), .YC(C_3_3));
  PDKGENFAX1 U605 (.A(S_2_5), .B(C_2_4), .C((A[3] & B[4])), .YS(S_3_4), .YC(C_3_4));
  PDKGENFAX1 U606 (.A(S_2_6), .B(C_2_5), .C((A[3] & B[5])), .YS(S_3_5), .YC(C_3_5));
  PDKGENFAX1 U607 (.A(S_2_7), .B(C_2_6), .C((A[3] & B[6])), .YS(S_3_6), .YC(C_3_6));
  PDKGENHAX1 U608 (.A(C_2_7), .B(~(A[3] & B[7])), .YS(S_3_7), .YC(C_3_7));
  PDKGENHAX1 U609 (.A(S_3_1), .B((A[4] & B[0])), .YS(S_4_0), .YC(C_4_0));
  PDKGENFAX1 U610 (.A(S_3_2), .B(C_3_1), .C((A[4] & B[1])), .YS(S_4_1), .YC(C_4_1));
  PDKGENFAX1 U611 (.A(S_3_3), .B(C_3_2), .C((A[4] & B[2])), .YS(S_4_2), .YC(C_4_2));
  PDKGENFAX1 U612 (.A(S_3_4), .B(C_3_3), .C((A[4] & B[3])), .YS(S_4_3), .YC(C_4_3));
  PDKGENFAX1 U613 (.A(S_3_5), .B(C_3_4), .C((A[4] & B[4])), .YS(S_4_4), .YC(C_4_4));
  PDKGENFAX1 U614 (.A(S_3_6), .B(C_3_5), .C((A[4] & B[5])), .YS(S_4_5), .YC(C_4_5));
  PDKGENFAX1 U615 (.A(S_3_7), .B(C_3_6), .C((A[4] & B[6])), .YS(S_4_6), .YC(C_4_6));
  PDKGENHAX1 U616 (.A(C_3_7), .B(~(A[4] & B[7])), .YS(S_4_7), .YC(C_4_7));
  PDKGENFAX1 U617 (.A(S_4_1), .B(C_4_0), .C((A[5] & B[0])), .YS(S_5_0), .YC(C_5_0));
  PDKGENFAX1 U618 (.A(S_4_2), .B(C_4_1), .C((A[5] & B[1])), .YS(S_5_1), .YC(C_5_1));
  PDKGENFAX1 U619 (.A(S_4_3), .B(C_4_2), .C((A[5] & B[2])), .YS(S_5_2), .YC(C_5_2));
  PDKGENFAX1 U620 (.A(S_4_4), .B(C_4_3), .C((A[5] & B[3])), .YS(S_5_3), .YC(C_5_3));
  PDKGENFAX1 U621 (.A(S_4_5), .B(C_4_4), .C((A[5] & B[4])), .YS(S_5_4), .YC(C_5_4));
  PDKGENFAX1 U622 (.A(S_4_6), .B(C_4_5), .C((A[5] & B[5])), .YS(S_5_5), .YC(C_5_5));
  PDKGENFAX1 U623 (.A(S_4_7), .B(C_4_6), .C((A[5] & B[6])), .YS(S_5_6), .YC(C_5_6));
  PDKGENHAX1 U624 (.A(C_4_7), .B(~(A[5] & B[7])), .YS(S_5_7), .YC(C_5_7));
  PDKGENFAX1 U625 (.A(S_5_1), .B(C_5_0), .C((A[6] & B[0])), .YS(S_6_0), .YC(C_6_0));
  PDKGENFAX1 U626 (.A(S_5_2), .B(C_5_1), .C((A[6] & B[1])), .YS(S_6_1), .YC(C_6_1));
  PDKGENFAX1 U627 (.A(S_5_3), .B(C_5_2), .C((A[6] & B[2])), .YS(S_6_2), .YC(C_6_2));
  PDKGENFAX1 U628 (.A(S_5_4), .B(C_5_3), .C((A[6] & B[3])), .YS(S_6_3), .YC(C_6_3));
  PDKGENFAX1 U629 (.A(S_5_5), .B(C_5_4), .C((A[6] & B[4])), .YS(S_6_4), .YC(C_6_4));
  PDKGENFAX1 U630 (.A(S_5_6), .B(C_5_5), .C((A[6] & B[5])), .YS(S_6_5), .YC(C_6_5));
  PDKGENFAX1 U631 (.A(S_5_7), .B(C_5_6), .C((A[6] & B[6])), .YS(S_6_6), .YC(C_6_6));
  PDKGENHAX1 U632 (.A(C_5_7), .B(~(A[6] & B[7])), .YS(S_6_7), .YC(C_6_7));
  PDKGENFAX1 U633 (.A(S_6_1), .B(C_6_0), .C(~(A[7] & B[0])), .YS(S_7_0), .YC(C_7_0));
  PDKGENFAX1 U634 (.A(S_6_2), .B(C_6_1), .C(~(A[7] & B[1])), .YS(S_7_1), .YC(C_7_1));
  PDKGENFAX1 U635 (.A(S_6_3), .B(C_6_2), .C(~(A[7] & B[2])), .YS(S_7_2), .YC(C_7_2));
  PDKGENFAX1 U636 (.A(S_6_4), .B(C_6_3), .C(~(A[7] & B[3])), .YS(S_7_3), .YC(C_7_3));
  PDKGENFAX1 U637 (.A(S_6_5), .B(C_6_4), .C(~(A[7] & B[4])), .YS(S_7_4), .YC(C_7_4));
  PDKGENFAX1 U638 (.A(S_6_6), .B(C_6_5), .C(~(A[7] & B[5])), .YS(S_7_5), .YC(C_7_5));
  PDKGENFAX1 U639 (.A(S_6_7), .B(C_6_6), .C(~(A[7] & B[6])), .YS(S_7_6), .YC(C_7_6));
  PDKGENHAX1 U640 (.A(C_6_7), .B((A[7] & B[7])), .YS(S_7_7), .YC(C_7_7));
  PDKGENHAX1 U641 (.A(S_7_1), .B(C_7_0), .YS(S_8_0), .YC(C_8_0));
  PDKGENFAX1 U642 (.A(S_7_2), .B(C_8_0), .C(C_7_1), .YS(S_8_1), .YC(C_8_1));
  PDKGENFAX1 U643 (.A(S_7_3), .B(C_8_1), .C(C_7_2), .YS(S_8_2), .YC(C_8_2));
  PDKGENFAX1 U644 (.A(S_7_4), .B(C_8_2), .C(C_7_3), .YS(S_8_3), .YC(C_8_3));
  PDKGENFAX1 U645 (.A(S_7_5), .B(C_8_3), .C(C_7_4), .YS(S_8_4), .YC(C_8_4));
  PDKGENFAX1 U646 (.A(S_7_6), .B(C_8_4), .C(C_7_5), .YS(S_8_5), .YC(C_8_5));
  PDKGENFAX1 U647 (.A(S_7_7), .B(C_8_5), .C(C_7_6), .YS(S_8_6), .YC(C_8_6));
  PDKGENFAX1 U648 (.A(1'b1), .B(C_8_6), .C(C_7_7), .YS(S_8_7), .YC(C_8_7));
  assign O = {S_8_7,S_8_6,S_8_5,S_8_4,S_8_3,S_8_2,S_8_1,S_8_0,S_7_0,S_6_0,S_5_0,S_4_0,1'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