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 mre parameters
***/
// MAE% = 5.84 %
// MAE = 3828 
// WCE% = 49.27 %
// WCE = 32289 
// WCRE% = 100.00 %
// EP% = 98.75 %
// MRE% = 31.87 %
// MSE = 37620.441e3 
// PDK45_PWR = 0.015 mW
// PDK45_AREA = 60.5 um2
// PDK45_DELAY = 0.14 ns
#include <stdint.h>
#include <stdlib.h>

uint64_t mul8u_R36(const uint64_t B,const uint64_t A)
{
   uint64_t O, dout_22, dout_23, dout_29, dout_30, dout_46, dout_47, dout_53, dout_54, dout_60, dout_61, dout_70, dout_71, dout_77, dout_78, dout_79, dout_107, dout_136, dout_139, dout_141, dout_144, dout_156, dout_180, dout_189, dout_212, dout_215, dout_218, dout_236, dout_242, dout_251;   int avg=0;

   dout_22=((B >> 6)&1)&((A >> 0)&1);
   dout_23=((B >> 7)&1)&((A >> 0)&1);
   dout_29=((B >> 5)&1)&((A >> 0)&1);
   dout_30=((B >> 6)&1)&((A >> 1)&1);
   dout_46=((B >> 6)&1)&((A >> 5)&1);
   dout_47=((B >> 7)&1)&((A >> 3)&1);
   dout_53=((B >> 7)&1)&((A >> 4)&1);
   dout_54=((B >> 6)&1)&((A >> 4)&1);
   dout_60=((B >> 4)&1)&((A >> 7)&1);
   dout_61=((B >> 5)&1)&((A >> 5)&1);
   dout_70=((B >> 6)&1)&((A >> 6)&1);
   dout_71=((B >> 7)&1)&((A >> 6)&1);
   dout_77=((B >> 5)&1)&((A >> 7)&1);
   dout_78=((B >> 6)&1)&((A >> 7)&1);
   dout_79=((B >> 7)&1)&((A >> 7)&1);
   dout_107=dout_23|dout_30;
   dout_136=dout_46|dout_53;
   dout_139=dout_136|dout_60;
   dout_141=dout_47|dout_54;
   dout_144=dout_141|dout_61;
   dout_156=((A >> 5)&1)&((B >> 7)&1);
   dout_180=((B >> 7)&1)&((A >> 1)&1);
   dout_189=((B >> 0)&1)&((A >> 7)&1);
   dout_212=dout_156|dout_70;
   dout_215=dout_212|dout_77;
   dout_218=dout_71|dout_78;
   dout_236=dout_107|dout_189;
   dout_242=((A >> 7)&1)&((B >> 3)&1);
   dout_251=dout_144|dout_242;

   O = 0;
   O |= (0&1) << 0;
   O |= (0&1) << 1;
   O |= (0&1) << 2;
   O |= (0&1) << 3;
   O |= (0&1) << 4;
   O |= (dout_29&1) << 5;
   O |= (dout_22&1) << 6;
   O |= (dout_236&1) << 7;
   O |= (dout_180&1) << 8;
   O |= (dout_251&1) << 9;
   O |= (dout_251&1) << 10;
   O |= (dout_139&1) << 11;
   O |= (dout_215&1) << 12;
   O |= (dout_218&1) << 13;
   O |= (dout_79&1) << 14;
   O |= (0&1) << 15;
   return O;
}