mul8u_NGR.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, 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 mse parameters
***/
// MAE% = 0.065 %
// MAE = 42 
// WCE% = 0.25 %
// WCE = 161 
// WCRE% = 150.00 %
// EP% = 96.37 %
// MRE% = 1.90 %
// MSE = 2764 
// PDK45_PWR = 0.276 mW
// PDK45_AREA = 511.5 um2
// PDK45_DELAY = 1.37 ns

module mul8u_NGR (
    A,
    B,
    O
);

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

wire sig_22,sig_23,sig_27,sig_29,sig_30,sig_33,sig_42,sig_43,sig_44,sig_45,sig_50,sig_51,sig_52,sig_53,sig_74,sig_75,sig_79,sig_80,sig_81,sig_82;
wire sig_83,sig_84,sig_85,sig_87,sig_88,sig_92,sig_93,sig_94,sig_95,sig_96,sig_110,sig_113,sig_117,sig_118,sig_119,sig_120,sig_121,sig_122,sig_123,sig_124;
wire sig_125,sig_126,sig_127,sig_128,sig_129,sig_130,sig_131,sig_135,sig_136,sig_137,sig_138,sig_139,sig_155,sig_156,sig_157,sig_158,sig_159,sig_160,sig_161,sig_162;
wire sig_163,sig_164,sig_165,sig_166,sig_167,sig_168,sig_169,sig_170,sig_171,sig_172,sig_173,sig_174,sig_176,sig_177,sig_178,sig_179,sig_180,sig_181,sig_182,sig_193;
wire sig_194,sig_195,sig_196,sig_197,sig_198,sig_199,sig_200,sig_201,sig_202,sig_203,sig_204,sig_205,sig_206,sig_207,sig_208,sig_209,sig_210,sig_211,sig_212,sig_213;
wire sig_214,sig_215,sig_216,sig_217,sig_218,sig_219,sig_220,sig_221,sig_222,sig_223,sig_224,sig_225,sig_228,sig_229,sig_230,sig_231,sig_232,sig_236,sig_237,sig_238;
wire sig_239,sig_240,sig_241,sig_242,sig_243,sig_244,sig_245,sig_246,sig_247,sig_248,sig_249,sig_250,sig_251,sig_252,sig_253,sig_254,sig_255,sig_256,sig_257,sig_258;
wire sig_259,sig_260,sig_261,sig_262,sig_263,sig_264,sig_265,sig_266,sig_267,sig_268,sig_269,sig_270,sig_271,sig_272,sig_273,sig_274,sig_275,sig_276,sig_277,sig_278;
wire 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_291,sig_292,sig_293,sig_294,sig_295,sig_296,sig_297,sig_298;
wire sig_299,sig_300,sig_301,sig_302,sig_303,sig_304,sig_305,sig_306,sig_307,sig_308,sig_309,sig_310,sig_311,sig_312,sig_313,sig_314,sig_315,sig_316,sig_317,sig_318;
wire 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_22 = B[6] & A[0];
assign sig_23 = B[7] & A[0];
assign sig_27 = B[2] & A[4];
assign sig_29 = B[5] & A[1];
assign sig_30 = B[6] & A[1];
assign sig_33 = B[7] & A[1];
assign sig_42 = sig_22 | sig_29;
assign sig_43 = sig_22 & sig_29;
assign sig_44 = sig_23 ^ sig_30;
assign sig_45 = sig_23 & sig_30;
assign sig_50 = B[4] & A[2];
assign sig_51 = B[5] & A[2];
assign sig_52 = B[6] & A[2];
assign sig_53 = B[7] & A[2];
assign sig_74 = sig_42 | sig_50;
assign sig_75 = sig_42 & sig_50;
assign sig_79 = sig_44 ^ sig_51;
assign sig_80 = sig_44 & sig_51;
assign sig_81 = sig_79 & sig_43;
assign sig_82 = sig_79 ^ sig_43;
assign sig_83 = sig_80 | sig_81;
assign sig_84 = sig_33 ^ sig_52;
assign sig_85 = sig_33 & sig_52;
assign sig_87 = sig_84 ^ sig_45;
assign sig_88 = sig_85 | sig_45;
assign sig_92 = B[3] & A[3];
assign sig_93 = B[4] & A[3];
assign sig_94 = B[5] & A[3];
assign sig_95 = B[6] & A[3];
assign sig_96 = B[7] & A[3];
assign sig_110 = sig_74 | sig_92;
assign sig_113 = sig_74 & sig_92;
assign sig_117 = sig_82 ^ sig_93;
assign sig_118 = sig_82 & sig_93;
assign sig_119 = sig_117 & sig_75;
assign sig_120 = sig_117 ^ sig_75;
assign sig_121 = sig_118 | sig_119;
assign sig_122 = sig_87 ^ sig_94;
assign sig_123 = sig_87 & sig_94;
assign sig_124 = sig_122 & sig_83;
assign sig_125 = sig_122 ^ sig_83;
assign sig_126 = sig_123 | sig_124;
assign sig_127 = sig_53 ^ sig_95;
assign sig_128 = sig_53 & sig_95;
assign sig_129 = sig_127 & sig_88;
assign sig_130 = sig_127 ^ sig_88;
assign sig_131 = sig_128 | sig_129;
assign sig_135 = B[3] & A[4];
assign sig_136 = B[4] & A[4];
assign sig_137 = B[5] & A[4];
assign sig_138 = B[6] & A[4];
assign sig_139 = B[7] & A[4];
assign sig_155 = sig_120 ^ sig_135;
assign sig_156 = sig_120 & sig_135;
assign sig_157 = sig_155 & sig_113;
assign sig_158 = sig_155 ^ sig_113;
assign sig_159 = sig_156 | sig_157;
assign sig_160 = sig_125 ^ sig_136;
assign sig_161 = sig_125 & sig_136;
assign sig_162 = sig_160 & sig_121;
assign sig_163 = sig_160 ^ sig_121;
assign sig_164 = sig_161 | sig_162;
assign sig_165 = sig_130 ^ sig_137;
assign sig_166 = sig_130 & sig_137;
assign sig_167 = sig_165 & sig_126;
assign sig_168 = sig_165 ^ sig_126;
assign sig_169 = sig_166 | sig_167;
assign sig_170 = sig_96 ^ sig_138;
assign sig_171 = sig_96 & sig_138;
assign sig_172 = sig_170 & sig_131;
assign sig_173 = sig_170 ^ sig_131;
assign sig_174 = sig_171 | sig_172;
assign sig_176 = B[1] & A[5];
assign sig_177 = B[2] & A[5];
assign sig_178 = B[3] & A[5];
assign sig_179 = B[4] & A[5];
assign sig_180 = B[5] & A[5];
assign sig_181 = B[6] & A[5];
assign sig_182 = B[7] & A[5];
assign sig_193 = sig_158 ^ sig_177;
assign sig_194 = sig_158 & sig_177;
assign sig_195 = sig_193 & sig_27;
assign sig_196 = sig_193 ^ sig_27;
assign sig_197 = sig_194 | sig_195;
assign sig_198 = sig_163 ^ sig_178;
assign sig_199 = sig_163 & sig_178;
assign sig_200 = sig_198 & sig_159;
assign sig_201 = sig_198 ^ sig_159;
assign sig_202 = sig_199 | sig_200;
assign sig_203 = sig_168 ^ sig_179;
assign sig_204 = sig_168 & sig_179;
assign sig_205 = sig_203 & sig_164;
assign sig_206 = sig_203 ^ sig_164;
assign sig_207 = sig_204 | sig_205;
assign sig_208 = sig_173 ^ sig_180;
assign sig_209 = sig_173 & sig_180;
assign sig_210 = sig_208 & sig_169;
assign sig_211 = sig_208 ^ sig_169;
assign sig_212 = sig_209 | sig_210;
assign sig_213 = sig_139 ^ sig_181;
assign sig_214 = sig_139 & sig_181;
assign sig_215 = sig_213 & sig_174;
assign sig_216 = sig_213 ^ sig_174;
assign sig_217 = sig_214 | sig_215;
assign sig_218 = B[0] & A[6];
assign sig_219 = B[1] & A[6];
assign sig_220 = B[2] & A[6];
assign sig_221 = B[3] & A[6];
assign sig_222 = B[4] & A[6];
assign sig_223 = B[5] & A[6];
assign sig_224 = B[6] & A[6];
assign sig_225 = B[7] & A[6];
assign sig_228 = sig_218 & sig_110;
assign sig_229 = sig_218 | sig_110;
assign sig_230 = sig_176 | sig_228;
assign sig_231 = sig_196 ^ sig_219;
assign sig_232 = sig_196 & sig_219;
assign sig_236 = sig_201 ^ sig_220;
assign sig_237 = sig_201 & sig_220;
assign sig_238 = sig_236 & sig_197;
assign sig_239 = sig_236 ^ sig_197;
assign sig_240 = sig_237 | sig_238;
assign sig_241 = sig_206 ^ sig_221;
assign sig_242 = sig_206 & sig_221;
assign sig_243 = sig_241 & sig_202;
assign sig_244 = sig_241 ^ sig_202;
assign sig_245 = sig_242 | sig_243;
assign sig_246 = sig_211 ^ sig_222;
assign sig_247 = sig_211 & sig_222;
assign sig_248 = sig_246 & sig_207;
assign sig_249 = sig_246 ^ sig_207;
assign sig_250 = sig_247 | sig_248;
assign sig_251 = sig_216 ^ sig_223;
assign sig_252 = sig_216 & sig_223;
assign sig_253 = sig_251 & sig_212;
assign sig_254 = sig_251 ^ sig_212;
assign sig_255 = sig_252 | sig_253;
assign sig_256 = sig_182 ^ sig_224;
assign sig_257 = sig_182 & sig_224;
assign sig_258 = sig_256 & sig_217;
assign sig_259 = sig_256 ^ sig_217;
assign sig_260 = sig_257 | sig_258;
assign sig_261 = B[0] & A[7];
assign sig_262 = B[1] & A[7];
assign sig_263 = B[2] & A[7];
assign sig_264 = B[3] & A[7];
assign sig_265 = B[4] & A[7];
assign sig_266 = B[5] & A[7];
assign sig_267 = B[6] & A[7];
assign sig_268 = B[7] & A[7];
assign sig_269 = sig_231 ^ sig_261;
assign sig_270 = sig_231 & sig_261;
assign sig_271 = sig_269 & sig_230;
assign sig_272 = sig_269 ^ sig_230;
assign sig_273 = sig_270 | sig_271;
assign sig_274 = sig_239 ^ sig_262;
assign sig_275 = sig_239 & sig_262;
assign sig_276 = sig_274 & sig_232;
assign sig_277 = sig_274 ^ sig_232;
assign sig_278 = sig_275 | sig_276;
assign sig_279 = sig_244 ^ sig_263;
assign sig_280 = sig_244 & sig_263;
assign sig_281 = sig_279 & sig_240;
assign sig_282 = sig_279 ^ sig_240;
assign sig_283 = sig_280 | sig_281;
assign sig_284 = sig_249 ^ sig_264;
assign sig_285 = sig_249 & sig_264;
assign sig_286 = sig_284 & sig_245;
assign sig_287 = sig_284 ^ sig_245;
assign sig_288 = sig_285 | sig_286;
assign sig_289 = sig_254 ^ sig_265;
assign sig_290 = sig_254 & sig_265;
assign sig_291 = sig_289 & sig_250;
assign sig_292 = sig_289 ^ sig_250;
assign sig_293 = sig_290 | sig_291;
assign sig_294 = sig_259 ^ sig_266;
assign sig_295 = sig_259 & sig_266;
assign sig_296 = sig_294 & sig_255;
assign sig_297 = sig_294 ^ sig_255;
assign sig_298 = sig_295 | sig_296;
assign sig_299 = sig_225 ^ sig_267;
assign sig_300 = sig_225 & sig_267;
assign sig_301 = sig_299 & sig_260;
assign sig_302 = sig_299 ^ sig_260;
assign sig_303 = sig_300 | sig_301;
assign sig_304 = sig_277 ^ sig_273;
assign sig_305 = sig_277 & sig_273;
assign sig_306 = sig_282 ^ sig_278;
assign sig_307 = sig_282 & sig_278;
assign sig_308 = sig_306 & sig_305;
assign sig_309 = sig_306 ^ sig_305;
assign sig_310 = sig_307 | sig_308;
assign sig_311 = sig_287 ^ sig_283;
assign sig_312 = sig_287 & sig_283;
assign sig_313 = sig_311 & sig_310;
assign sig_314 = sig_311 ^ sig_310;
assign sig_315 = sig_312 | sig_313;
assign sig_316 = sig_292 ^ sig_288;
assign sig_317 = sig_292 & sig_288;
assign sig_318 = sig_316 & sig_315;
assign sig_319 = sig_316 ^ sig_315;
assign sig_320 = sig_317 | sig_318;
assign sig_321 = sig_297 ^ sig_293;
assign sig_322 = sig_297 & sig_293;
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_302 ^ sig_298;
assign sig_327 = sig_302 & sig_298;
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_268 ^ sig_303;
assign sig_332 = A[7] & sig_303;
assign sig_333 = sig_331 & 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_314;
assign O[9] = sig_309;
assign O[8] = sig_304;
assign O[7] = sig_272;
assign O[6] = sig_229;
assign O[5] = sig_176;
assign O[4] = 1'b0;
assign O[3] = sig_229;
assign O[2] = sig_74;
assign O[1] = sig_207;
assign O[0] = sig_265;

endmodule