add16u_1X9.v

/***
* 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, L. Sekanina, Z. Vasicek "Libraries of Approximate Circuits: Automated Design and Application in CNN Accelerators" IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Vol 10, No 4, 2020 
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and ep parameters
***/
// MAE% = 2.01 %
// MAE = 2631 
// WCE% = 6.46 %
// WCE = 8465 
// WCRE% = 1600.00 %
// EP% = 89.45 %
// MRE% = 5.41 %
// MSE = 16774.987e3 
// PDK45_PWR = 0.052 mW
// PDK45_AREA = 122.0 um2
// PDK45_DELAY = 0.32 ns


module add16u_1X9(A, B, O);
  input [15:0] A, B;
  output [16:0] O;
  wire sig_34, sig_35, sig_38, sig_39, sig_40, sig_41;
  wire sig_43, sig_44, sig_50, sig_53, sig_54, sig_55;
  wire sig_56, sig_58, sig_59, sig_60, sig_61, sig_63;
  wire sig_64, sig_73, sig_74, sig_75, sig_76, sig_78;
  wire sig_79, sig_80, sig_81, sig_83, sig_84, sig_89;
  wire sig_94, sig_95, sig_96, sig_98, sig_99, sig_100;
  wire sig_101, sig_103, sig_104, sig_105, sig_106;
  assign O[0] = A[0] | B[0];
  assign O[4] = 1'b1;
  assign sig_34 = A[1] ^ B[1];
  assign sig_35 = A[1] & B[1];
  assign O[8] = 1'b0;
  assign O[1] = sig_34;
  assign sig_38 = sig_35;
  assign sig_39 = A[2] ^ B[2];
  assign sig_40 = A[2] & B[2];
  assign sig_41 = sig_39 & sig_38;
  assign O[2] = sig_39 ^ sig_38;
  assign sig_43 = sig_40 | sig_41;
  assign sig_44 = A[3] ^ B[3];
  assign O[3] = sig_44 ^ sig_43;
  assign sig_50 = A[4] & B[4];
  assign sig_53 = sig_50;
  assign sig_54 = A[5] ^ B[5];
  assign sig_55 = A[5] & B[5];
  assign sig_56 = sig_54 & sig_53;
  assign O[5] = sig_54 ^ sig_53;
  assign sig_58 = sig_55 | sig_56;
  assign sig_59 = A[6] ^ B[6];
  assign sig_60 = A[6] & B[6];
  assign sig_61 = sig_59 & sig_58;
  assign O[6] = sig_59 ^ sig_58;
  assign sig_63 = sig_60 | sig_61;
  assign sig_64 = A[7] ^ B[7];
  assign O[7] = sig_64 ^ sig_63;
  assign sig_73 = B[8] | A[8];
  assign sig_74 = A[9] ^ B[9];
  assign sig_75 = A[9] & B[9];
  assign sig_76 = sig_74 & sig_73;
  assign O[9] = sig_74 ^ sig_73;
  assign sig_78 = sig_75 | sig_76;
  assign sig_79 = A[10] ^ B[10];
  assign sig_80 = A[10] & B[10];
  assign sig_81 = sig_79 & sig_78;
  assign O[10] = sig_79 ^ sig_78;
  assign sig_83 = sig_80 | sig_81;
  assign sig_84 = A[11] ^ B[11];
  assign O[11] = sig_84 ^ sig_83;
  assign sig_89 = A[12] ^ B[12];
  assign O[12] = sig_89 ^ A[11];
  assign sig_94 = A[13] ^ B[13];
  assign sig_95 = A[13] & B[13];
  assign sig_96 = sig_94 & A[12];
  assign O[13] = sig_94 ^ A[12];
  assign sig_98 = sig_95 | sig_96;
  assign sig_99 = A[14] ^ B[14];
  assign sig_100 = A[14] & B[14];
  assign sig_101 = sig_99 & sig_98;
  assign O[14] = sig_99 ^ sig_98;
  assign sig_103 = sig_100 | sig_101;
  assign sig_104 = A[15] ^ B[15];
  assign sig_105 = A[15] & B[15];
  assign sig_106 = sig_104 & sig_103;
  assign O[15] = sig_104 ^ sig_103;
  assign O[16] = sig_105 | sig_106;
endmodule