/*** * 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): * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters ***/ // MAE% = 4.92 % // MAE = 25 // WCE% = 17.97 % // WCE = 92 // WCRE% = 6300.00 % // EP% = 98.77 % // MRE% = 14.58 % // MSE = 960 // PDK45_PWR = 0.0046 mW // PDK45_AREA = 15.0 um2 // PDK45_DELAY = 0.17 ns #include #include uint64_t add8u_00M(uint64_t a, uint64_t b) { int wa[8]; int wb[8]; uint64_t y = 0; wa[0] = (a >> 0) & 0x01; wb[0] = (b >> 0) & 0x01; wa[1] = (a >> 1) & 0x01; wb[1] = (b >> 1) & 0x01; wa[2] = (a >> 2) & 0x01; wb[2] = (b >> 2) & 0x01; wa[3] = (a >> 3) & 0x01; wb[3] = (b >> 3) & 0x01; wa[4] = (a >> 4) & 0x01; wb[4] = (b >> 4) & 0x01; wa[5] = (a >> 5) & 0x01; wb[5] = (b >> 5) & 0x01; wa[6] = (a >> 6) & 0x01; wb[6] = (b >> 6) & 0x01; wa[7] = (a >> 7) & 0x01; wb[7] = (b >> 7) & 0x01; int sig_16 = wa[6] & wb[6]; int sig_26 = 0; int sig_32 = ~(wa[6] | wb[6]); int sig_45 = wb[7]; int sig_47 = wb[6] | wa[6]; int sig_48 = wa[7] ^ wb[7]; int sig_49 = wa[7] & wb[7]; int sig_50 = sig_48 & sig_47; int sig_51 = sig_48 ^ sig_47; int sig_52 = sig_49 | sig_50; y |= (sig_52 & 0x01) << 0; // default output y |= (wa[3] & 0x01) << 1; // default output y |= (wa[7] & 0x01) << 2; // default output y |= (sig_26 & 0x01) << 3; // default output y |= (sig_45 & 0x01) << 4; // default output y |= (sig_16 & 0x01) << 5; // default output y |= (sig_32 & 0x01) << 6; // default output y |= (sig_51 & 0x01) << 7; // default output y |= (sig_52 & 0x01) << 8; // default output return y; }