/***
* 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% = 0.16 %
// MAE = 6782976 
// WCE% = 0.63 %
// WCE = 27131905 
// WCRE% = 100.00 %
// EP% = 100.00 %
// MRE% = 3.06 %
// MSE = 55158.891e9 
// PDK45_PWR = 0.401 mW
// PDK45_AREA = 642.0 um2
// PDK45_DELAY = 1.97 ns


module mul16u_G88 ( A, B, O );
  input [15:0] A;
  input [15:0] B;
  output [31:0] O;

  wire C_10_11,C_10_12,C_10_13,C_10_14,C_11_10,C_11_11,C_11_12,C_11_13,C_11_14,C_12_10,C_12_11,C_12_12,C_12_13,C_12_14,C_12_9,C_13_10,C_13_11,C_13_12,C_13_13,C_13_14,C_13_8,C_13_9,C_14_10,C_14_11,C_14_12,C_14_13,C_14_14,C_14_7,C_14_8,C_14_9,C_15_10,C_15_11,C_15_12,C_15_13,C_15_14,C_15_6,C_15_7,C_15_8,C_15_9,C_16_10,C_16_11,C_16_12,C_16_13,C_16_14,C_16_6,C_16_7,C_16_8,C_16_9,C_8_13,C_8_14,C_9_12,C_9_13,C_9_14,S_10_11,S_10_12,S_10_13,S_10_14,S_10_15,S_11_10,S_11_11,S_11_12,S_11_13,S_11_14,S_11_15,S_12_10,S_12_11,S_12_12,S_12_13,S_12_14,S_12_15,S_12_9,S_13_10,S_13_11,S_13_12,S_13_13,S_13_14,S_13_15,S_13_8,S_13_9,S_14_10,S_14_11,S_14_12,S_14_13,S_14_14,S_14_15,S_14_7,S_14_8,S_14_9,S_15_10,S_15_11,S_15_12,S_15_13,S_15_14,S_15_15,S_15_6,S_15_7,S_15_8,S_15_9,S_16_10,S_16_11,S_16_12,S_16_13,S_16_14,S_16_15,S_16_5,S_16_6,S_16_7,S_16_8,S_16_9,S_7_14,S_7_15,S_8_13,S_8_14,S_8_15,S_9_12,S_9_13,S_9_14,S_9_15;

  assign S_7_14 = (A[7] & B[14]);
  assign S_7_15 = (A[7] & B[15]);
  HAX1 U184446 (.A(S_7_14), .B((A[8] & B[13])), .YS(S_8_13), .YC(C_8_13));
  HAX1 U184447 (.A(S_7_15), .B((A[8] & B[14])), .YS(S_8_14), .YC(C_8_14));
  assign S_8_15 = (A[8] & B[15]);
  HAX1 U184461 (.A(S_8_13), .B((A[9] & B[12])), .YS(S_9_12), .YC(C_9_12));
  FAX1 U184462 (.A(S_8_14), .B(C_8_13), .C((A[9] & B[13])), .YS(S_9_13), .YC(C_9_13));
  FAX1 U184463 (.A(S_8_15), .B(C_8_14), .C((A[9] & B[14])), .YS(S_9_14), .YC(C_9_14));
  assign S_9_15 = (A[9] & B[15]);
  HAX1 U184476 (.A(S_9_12), .B((A[10] & B[11])), .YS(S_10_11), .YC(C_10_11));
  FAX1 U184477 (.A(S_9_13), .B(C_9_12), .C((A[10] & B[12])), .YS(S_10_12), .YC(C_10_12));
  FAX1 U184478 (.A(S_9_14), .B(C_9_13), .C((A[10] & B[13])), .YS(S_10_13), .YC(C_10_13));
  FAX1 U184479 (.A(S_9_15), .B(C_9_14), .C((A[10] & B[14])), .YS(S_10_14), .YC(C_10_14));
  assign S_10_15 = (A[10] & B[15]);
  HAX1 U184491 (.A(S_10_11), .B((A[11] & B[10])), .YS(S_11_10), .YC(C_11_10));
  FAX1 U184492 (.A(S_10_12), .B(C_10_11), .C((A[11] & B[11])), .YS(S_11_11), .YC(C_11_11));
  FAX1 U184493 (.A(S_10_13), .B(C_10_12), .C((A[11] & B[12])), .YS(S_11_12), .YC(C_11_12));
  FAX1 U184494 (.A(S_10_14), .B(C_10_13), .C((A[11] & B[13])), .YS(S_11_13), .YC(C_11_13));
  FAX1 U184495 (.A(S_10_15), .B(C_10_14), .C((A[11] & B[14])), .YS(S_11_14), .YC(C_11_14));
  assign S_11_15 = (A[11] & B[15]);
  HAX1 U184506 (.A(S_11_10), .B((A[12] & B[9])), .YS(S_12_9), .YC(C_12_9));
  FAX1 U184507 (.A(S_11_11), .B(C_11_10), .C((A[12] & B[10])), .YS(S_12_10), .YC(C_12_10));
  FAX1 U184508 (.A(S_11_12), .B(C_11_11), .C((A[12] & B[11])), .YS(S_12_11), .YC(C_12_11));
  FAX1 U184509 (.A(S_11_13), .B(C_11_12), .C((A[12] & B[12])), .YS(S_12_12), .YC(C_12_12));
  FAX1 U184510 (.A(S_11_14), .B(C_11_13), .C((A[12] & B[13])), .YS(S_12_13), .YC(C_12_13));
  FAX1 U184511 (.A(S_11_15), .B(C_11_14), .C((A[12] & B[14])), .YS(S_12_14), .YC(C_12_14));
  assign S_12_15 = (A[12] & B[15]);
  HAX1 U184521 (.A(S_12_9), .B((A[13] & B[8])), .YS(S_13_8), .YC(C_13_8));
  FAX1 U184522 (.A(S_12_10), .B(C_12_9), .C((A[13] & B[9])), .YS(S_13_9), .YC(C_13_9));
  FAX1 U184523 (.A(S_12_11), .B(C_12_10), .C((A[13] & B[10])), .YS(S_13_10), .YC(C_13_10));
  FAX1 U184524 (.A(S_12_12), .B(C_12_11), .C((A[13] & B[11])), .YS(S_13_11), .YC(C_13_11));
  FAX1 U184525 (.A(S_12_13), .B(C_12_12), .C((A[13] & B[12])), .YS(S_13_12), .YC(C_13_12));
  FAX1 U184526 (.A(S_12_14), .B(C_12_13), .C((A[13] & B[13])), .YS(S_13_13), .YC(C_13_13));
  FAX1 U184527 (.A(S_12_15), .B(C_12_14), .C((A[13] & B[14])), .YS(S_13_14), .YC(C_13_14));
  assign S_13_15 = (A[13] & B[15]);
  HAX1 U184536 (.A(S_13_8), .B((A[14] & B[7])), .YS(S_14_7), .YC(C_14_7));
  FAX1 U184537 (.A(S_13_9), .B(C_13_8), .C((A[14] & B[8])), .YS(S_14_8), .YC(C_14_8));
  FAX1 U184538 (.A(S_13_10), .B(C_13_9), .C((A[14] & B[9])), .YS(S_14_9), .YC(C_14_9));
  FAX1 U184539 (.A(S_13_11), .B(C_13_10), .C((A[14] & B[10])), .YS(S_14_10), .YC(C_14_10));
  FAX1 U184540 (.A(S_13_12), .B(C_13_11), .C((A[14] & B[11])), .YS(S_14_11), .YC(C_14_11));
  FAX1 U184541 (.A(S_13_13), .B(C_13_12), .C((A[14] & B[12])), .YS(S_14_12), .YC(C_14_12));
  FAX1 U184542 (.A(S_13_14), .B(C_13_13), .C((A[14] & B[13])), .YS(S_14_13), .YC(C_14_13));
  FAX1 U184543 (.A(S_13_15), .B(C_13_14), .C((A[14] & B[14])), .YS(S_14_14), .YC(C_14_14));
  assign S_14_15 = (A[14] & B[15]);
  HAX1 U184551 (.A(S_14_7), .B((A[15] & B[6])), .YS(S_15_6), .YC(C_15_6));
  FAX1 U184552 (.A(S_14_8), .B(C_14_7), .C((A[15] & B[7])), .YS(S_15_7), .YC(C_15_7));
  FAX1 U184553 (.A(S_14_9), .B(C_14_8), .C((A[15] & B[8])), .YS(S_15_8), .YC(C_15_8));
  FAX1 U184554 (.A(S_14_10), .B(C_14_9), .C((A[15] & B[9])), .YS(S_15_9), .YC(C_15_9));
  FAX1 U184555 (.A(S_14_11), .B(C_14_10), .C((A[15] & B[10])), .YS(S_15_10), .YC(C_15_10));
  FAX1 U184556 (.A(S_14_12), .B(C_14_11), .C((A[15] & B[11])), .YS(S_15_11), .YC(C_15_11));
  FAX1 U184557 (.A(S_14_13), .B(C_14_12), .C((A[15] & B[12])), .YS(S_15_12), .YC(C_15_12));
  FAX1 U184558 (.A(S_14_14), .B(C_14_13), .C((A[15] & B[13])), .YS(S_15_13), .YC(C_15_13));
  FAX1 U184559 (.A(S_14_15), .B(C_14_14), .C((A[15] & B[14])), .YS(S_15_14), .YC(C_15_14));
  assign S_15_15 = (A[15] & B[15]);
  assign S_16_5 = S_15_6;
  HAX1 U184567 (.A(S_15_7), .B(C_15_6), .YS(S_16_6), .YC(C_16_6));
  FAX1 U184568 (.A(S_15_8), .B(C_16_6), .C(C_15_7), .YS(S_16_7), .YC(C_16_7));
  FAX1 U184569 (.A(S_15_9), .B(C_16_7), .C(C_15_8), .YS(S_16_8), .YC(C_16_8));
  FAX1 U184570 (.A(S_15_10), .B(C_16_8), .C(C_15_9), .YS(S_16_9), .YC(C_16_9));
  FAX1 U184571 (.A(S_15_11), .B(C_16_9), .C(C_15_10), .YS(S_16_10), .YC(C_16_10));
  FAX1 U184572 (.A(S_15_12), .B(C_16_10), .C(C_15_11), .YS(S_16_11), .YC(C_16_11));
  FAX1 U184573 (.A(S_15_13), .B(C_16_11), .C(C_15_12), .YS(S_16_12), .YC(C_16_12));
  FAX1 U184574 (.A(S_15_14), .B(C_16_12), .C(C_15_13), .YS(S_16_13), .YC(C_16_13));
  FAX1 U184575 (.A(S_15_15), .B(C_16_13), .C(C_15_14), .YS(S_16_14), .YC(C_16_14));
  assign S_16_15 = C_16_14;
  assign O = {S_16_15,S_16_14,S_16_13,S_16_12,S_16_11,S_16_10,S_16_9,S_16_8,S_16_7,S_16_6,S_16_5,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0};

endmodule