/*** * 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 wce parameters ***/ // MAE% = 8.01 % // MAE = 5249 // WCE% = 27.24 % // WCE = 17853 // WCRE% = 300.00 % // EP% = 99.22 % // MRE% = 59.69 % // MSE = 42811.074e3 // PDK45_PWR = 0.0017 mW // PDK45_AREA = 13.1 um2 // PDK45_DELAY = 0.10 ns #include #include uint64_t mul8u_17MN(const uint64_t B,const uint64_t A) { uint64_t O, dout_71, dout_79, dout_293, dout_338, dout_340, dout_345; int avg=0; dout_71=((B >> 6)&1)&((A >> 7)&1); dout_79=((B >> 7)&1)&((A >> 7)&1); dout_293=((A >> 6)&1)|((A >> 7)&1); dout_338=dout_293&((B >> 7)&1); dout_340=((A >> 6)&1)&((B >> 5)&1); dout_345=dout_79^dout_338; O = 0; O |= (0&1) << 0; O |= (0&1) << 1; O |= (dout_71&1) << 2; O |= (0&1) << 3; O |= (0&1) << 4; O |= (0&1) << 5; O |= (0&1) << 6; O |= (dout_79&1) << 7; O |= (dout_71&1) << 8; O |= (0&1) << 9; O |= (0&1) << 10; O |= (dout_71&1) << 11; O |= (dout_71&1) << 12; O |= (dout_340&1) << 13; O |= (dout_345&1) << 14; O |= (dout_79&1) << 15; return O; }