mul8x2u_01H.c

/***
* 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, L. Sekanina, Z. Vasicek "Libraries of Approximate Circuits: Automated Design and Application in CNN Accelerators" IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Vol 10, No 4, 2020 
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mse parameters
***/
// MAE% = 0.83 %
// MAE = 8.5 
// WCE% = 4.39 %
// WCE = 45 
// WCRE% = 100.00 %
// EP% = 71.78 %
// MRE% = 11.82 %
// MSE = 168 
// PDK45_PWR = 0.012 mW
// PDK45_AREA = 47.4 um2
// PDK45_DELAY = 0.30 ns
#include <stdint.h>
#include <stdlib.h>

uint64_t mul8x2u_01H(const uint64_t A,const uint64_t B)
{
   uint64_t dout_15, dout_16, dout_17, dout_21, dout_22, dout_23, dout_24, dout_25, dout_43, dout_44, dout_45, dout_46, dout_48, dout_51, dout_53, dout_54, dout_55, dout_56, dout_57, dout_58, dout_59;
   uint64_t O;

   dout_15=((A >> 5)&1)&((B >> 0)&1);
   dout_16=((A >> 6)&1)&((B >> 0)&1);
   dout_17=((A >> 7)&1)&((B >> 0)&1);
   dout_21=((A >> 4)&1)&((B >> 0)&1);
   dout_22=((A >> 4)&1)&((B >> 1)&1);
   dout_23=((A >> 5)&1)&((B >> 1)&1);
   dout_24=((A >> 6)&1)&((B >> 1)&1);
   dout_25=((A >> 7)&1)&((B >> 1)&1);
   dout_43=dout_15|dout_22;
   dout_44=dout_15&((B >> 1)&1);
   dout_45=dout_23&dout_15;
   dout_46=dout_43^dout_45;
   dout_48=dout_16^dout_23;
   dout_51=dout_48^dout_45;
   dout_53=dout_17^dout_24;
   dout_54=dout_17&dout_24;
   dout_55=dout_53&dout_44;
   dout_56=dout_53^dout_45;
   dout_57=dout_54|dout_55;
   dout_58=dout_57&dout_25;
   dout_59=dout_57^dout_25;

   O = 0;
   O |= (dout_23&1) << 0;
   O |= (dout_59&1) << 1;
   O |= (dout_51&1) << 2;
   O |= (dout_21&1) << 3;
   O |= (dout_21&1) << 4;
   O |= (dout_46&1) << 5;
   O |= (dout_51&1) << 6;
   O |= (dout_56&1) << 7;
   O |= (dout_59&1) << 8;
   O |= (dout_58&1) << 9;
   return O;
}