EvoApproxLib^LITE

/***
* 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, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993 
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters
***/
// MAE% = 1.18 %
// MAE = 773 
// WCE% = 5.30 %
// WCE = 3475 
// WCRE% = 100.00 %
// EP% = 99.15 %
// MRE% = 17.98 %
// MSE = 919691 
// PDK45_PWR = 0.062 mW
// PDK45_AREA = 149.7 um2
// PDK45_DELAY = 0.90 ns

module mul8u_18UH (
    A,
    B,
    O
);

input [7:0] A;
input [7:0] B;
output [15:0] O;

wire sig_73,sig_118,sig_162,sig_163,sig_191,sig_192,sig_207,sig_208,sig_236,sig_237,sig_238,sig_239,sig_240,sig_241,sig_243,sig_244,sig_250,sig_251,sig_252,sig_253;
wire sig_276,sig_277,sig_278,sig_279,sig_280,sig_281,sig_282,sig_283,sig_284,sig_285,sig_286,sig_287,sig_288,sig_289,sig_290,sig_294,sig_295,sig_296,sig_297,sig_298;
wire sig_316,sig_317,sig_318,sig_319,sig_320,sig_321,sig_322,sig_323,sig_324,sig_325,sig_326,sig_327,sig_328,sig_329,sig_330,sig_331,sig_332,sig_333,sig_334,sig_335;

assign sig_73 = A[5] & B[5];
assign sig_118 = B[7] & A[3];
assign sig_162 = B[6] & A[4];
assign sig_163 = B[7] & A[4];
assign sig_191 = sig_118 ^ sig_162;
assign sig_192 = sig_118 & sig_162;
assign sig_207 = B[6] & A[5];
assign sig_208 = B[7] & A[5];
assign sig_236 = sig_163 ^ sig_207;
assign sig_237 = sig_163 & sig_207;
assign sig_238 = sig_236 & sig_191;
assign sig_239 = sig_236 ^ sig_191;
assign sig_240 = sig_237 | sig_238;
assign sig_241 = sig_192 ^ sig_208;
assign sig_243 = sig_208 & sig_240;
assign sig_244 = sig_241 ^ sig_240;
assign sig_250 = B[4] & A[6];
assign sig_251 = B[5] & A[6];
assign sig_252 = B[6] & A[6];
assign sig_253 = B[7] & A[6];
assign sig_276 = sig_239 ^ sig_251;
assign sig_277 = sig_239 & sig_251;
assign sig_278 = sig_276 & sig_250;
assign sig_279 = sig_276 ^ sig_250;
assign sig_280 = sig_277 | sig_278;
assign sig_281 = sig_244 ^ sig_252;
assign sig_282 = sig_244 & sig_252;
assign sig_283 = sig_281 & sig_280;
assign sig_284 = sig_281 ^ sig_280;
assign sig_285 = sig_282 | sig_283;
assign sig_286 = sig_243 ^ sig_253;
assign sig_287 = sig_243 & sig_253;
assign sig_288 = sig_253 & sig_285;
assign sig_289 = sig_286 ^ sig_285;
assign sig_290 = sig_287 | sig_288;
assign sig_294 = B[3] & A[7];
assign sig_295 = B[4] & A[7];
assign sig_296 = B[5] & A[7];
assign sig_297 = B[6] & A[7];
assign sig_298 = B[7] & A[7];
assign sig_316 = sig_279 ^ sig_295;
assign sig_317 = sig_279 & sig_295;
assign sig_318 = sig_316 & sig_73;
assign sig_319 = sig_316 ^ sig_73;
assign sig_320 = sig_317 | sig_318;
assign sig_321 = sig_284 ^ sig_296;
assign sig_322 = sig_284 & sig_296;
assign sig_323 = sig_321 & sig_320;
assign sig_324 = sig_321 ^ sig_320;
assign sig_325 = sig_322 | sig_323;
assign sig_326 = sig_289 ^ sig_297;
assign sig_327 = sig_289 & sig_297;
assign sig_328 = sig_326 & sig_325;
assign sig_329 = sig_326 ^ sig_325;
assign sig_330 = sig_327 | sig_328;
assign sig_331 = sig_290 ^ sig_298;
assign sig_332 = sig_290 & A[7];
assign sig_333 = sig_298 & sig_330;
assign sig_334 = sig_331 ^ sig_330;
assign sig_335 = sig_332 | sig_333;

assign O[15] = sig_335;
assign O[14] = sig_334;
assign O[13] = sig_329;
assign O[12] = sig_324;
assign O[11] = sig_319;
assign O[10] = sig_294;
assign O[9] = 1'b0;
assign O[8] = sig_294;
assign O[7] = sig_251;
assign O[6] = 1'b0;
assign O[5] = sig_294;
assign O[4] = sig_208;
assign O[3] = 1'b0;
assign O[2] = sig_329;
assign O[1] = sig_208;
assign O[0] = 1'b0;

endmodule