/*** * 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% = 9.71 % // MAE = 6362 // WCE% = 37.58 % // WCE = 24629 // WCRE% = 6312.50 % // EP% = 99.86 % // MRE% = 82.45 % // MSE = 69878.211e3 // PDK45_PWR = 0.0003 mW // PDK45_AREA = 2.3 um2 // PDK45_DELAY = 0.04 ns #include #include uint64_t mul8u_1SX(const uint64_t B,const uint64_t A) { uint64_t O, dout_79; int avg=0; dout_79=((B >> 7)&1)&((A >> 7)&1); O = 0; O |= (0&1) << 0; O |= (0&1) << 1; O |= (((A >> 4)&1)&1) << 2; O |= (((A >> 6)&1)&1) << 3; O |= (0&1) << 4; O |= (0&1) << 5; O |= (((A >> 1)&1)&1) << 6; O |= (0&1) << 7; O |= (dout_79&1) << 8; O |= (((A >> 3)&1)&1) << 9; O |= (((B >> 5)&1)&1) << 10; O |= (((B >> 6)&1)&1) << 11; O |= (((A >> 6)&1)&1) << 12; O |= (0&1) << 13; O |= (0&1) << 14; O |= (dout_79&1) << 15; return O; }