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mul8_109.m
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mul8_109.m
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% 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 evoapprox8b dataset. Note that a new version of library was already published.
function [ c ] = mul8_109( a, b )
% Approximate function mul8_109
% Library = EvoApprox8b
% Circuit = mul8_109
% Area (180) = 12712
% Delay (180) = 2.790
% Power (180) = 5880.60
% Area (45) = 902
% Delay (45) = 1.070
% Power (45) = 489.80
% Nodes = 244
% HD = 268
% MAE = 3.71875
% MSE = 5760.00000
% MRE = 0.07 %
% WCE = 3072
% WCRE = 100 %
% EP = 0.3 %
a = uint16(a);
b = uint16(b);
c = 0;
n0 = bitand(bitshift(a, -0), 1, 'uint16');
n2 = bitand(bitshift(a, -1), 1, 'uint16');
n4 = bitand(bitshift(a, -2), 1, 'uint16');
n6 = bitand(bitshift(a, -3), 1, 'uint16');
n8 = bitand(bitshift(a, -4), 1, 'uint16');
n10 = bitand(bitshift(a, -5), 1, 'uint16');
n12 = bitand(bitshift(a, -6), 1, 'uint16');
n14 = bitand(bitshift(a, -7), 1, 'uint16');
n16 = bitand(bitshift(b, -0), 1, 'uint16');
n18 = bitand(bitshift(b, -1), 1, 'uint16');
n20 = bitand(bitshift(b, -2), 1, 'uint16');
n22 = bitand(bitshift(b, -3), 1, 'uint16');
n24 = bitand(bitshift(b, -4), 1, 'uint16');
n26 = bitand(bitshift(b, -5), 1, 'uint16');
n28 = bitand(bitshift(b, -6), 1, 'uint16');
n30 = bitand(bitshift(b, -7), 1, 'uint16');
n32 = bitand(n0, n16);
n38 = bitand(n2, n16);
n44 = bitand(n4, n16);
n50 = bitand(n6, n16);
n56 = bitand(n8, n16);
n62 = bitand(n10, n16);
n68 = bitand(n12, n16);
n74 = bitand(n14, n16);
n82 = bitand(n0, n18);
n88 = bitand(n2, n18);
n94 = bitand(n4, n18);
n100 = bitand(n6, n18);
n106 = bitand(n8, n18);
n112 = bitand(n10, n18);
n118 = bitand(n12, n18);
n126 = bitand(n14, n18);
n132 = bitand(n0, n20);
n138 = bitand(n2, n20);
n144 = bitand(n4, n20);
n150 = bitand(n6, n20);
n156 = bitand(n8, n20);
n162 = bitand(n10, n20);
n168 = bitand(n12, n20);
n176 = bitand(n14, n20);
n182 = bitand(n0, n22);
n188 = bitand(n2, n22);
n194 = bitand(n4, n22);
n200 = bitand(n6, n22);
n206 = bitand(n8, n22);
n212 = bitand(n10, n22);
n220 = bitand(n12, n22);
n226 = bitand(n14, n22);
n232 = bitand(n0, n24);
n238 = bitand(n2, n24);
n244 = bitand(n4, n24);
n250 = bitand(n6, n24);
n256 = bitand(n8, n24);
n262 = bitand(n10, n24);
n270 = bitand(n12, n24);
n276 = bitand(n14, n24);
n282 = bitand(n0, n26);
n288 = bitand(n2, n26);
n295 = bitand(n4, n26);
n300 = bitand(n6, n26);
n306 = bitand(n8, n26);
n314 = bitand(n10, n26);
n320 = bitand(n12, n26);
n326 = bitand(n14, n26);
n332 = bitand(n0, n28);
n338 = bitand(n2, n28);
n344 = bitand(n4, n28);
n350 = bitand(n6, n28);
n358 = bitand(n8, n28);
n364 = bitand(n10, n28);
n370 = bitand(n12, n28);
n376 = bitand(n14, n28);
n382 = bitand(n0, n30);
n388 = bitand(n2, n30);
n394 = bitand(n4, n30);
n400 = bitand(n6, n30);
n408 = bitand(n8, n30);
n414 = bitand(n10, n30);
n420 = bitand(n12, n30);
n426 = bitand(n14, n30);
n432 = bitxor(n38, n82);
n433 = bitand(n38, n82);
n438 = bitxor(bitxor(n44, n88), n132);
n439 = bitor(bitor(bitand(n44, n88), bitand(n88, n132)), bitand(n44, n132));
n444 = bitxor(bitxor(n50, n94), n138);
n445 = bitor(bitor(bitand(n50, n94), bitand(n94, n138)), bitand(n50, n138));
n452 = bitxor(bitxor(n56, n100), n144);
n453 = bitor(bitor(bitand(n56, n100), bitand(n100, n144)), bitand(n56, n144));
n458 = bitxor(bitxor(n62, n106), n150);
n459 = bitor(bitor(bitand(n62, n106), bitand(n106, n150)), bitand(n62, n150));
n464 = bitxor(bitxor(n68, n112), n156);
n465 = bitor(bitor(bitand(n68, n112), bitand(n112, n156)), bitand(n68, n156));
n470 = bitxor(bitxor(n74, n118), n162);
n471 = bitor(bitor(bitand(n74, n118), bitand(n118, n162)), bitand(n74, n162));
n476 = bitand(n126, n168);
n482 = bitxor(n126, n168);
n488 = bitxor(n188, n232);
n489 = bitand(n188, n232);
n494 = bitxor(bitxor(n194, n238), n282);
n495 = bitor(bitor(bitand(n194, n238), bitand(n238, n282)), bitand(n194, n282));
n502 = bitxor(bitxor(n200, n244), n288);
n503 = bitor(bitor(bitand(n200, n244), bitand(n244, n288)), bitand(n200, n288));
n508 = bitxor(bitxor(n206, n250), n295);
n509 = bitor(bitor(bitand(n206, n250), bitand(n250, n295)), bitand(n206, n295));
n514 = bitxor(bitxor(n212, n256), n300);
n515 = bitor(bitor(bitand(n212, n256), bitand(n256, n300)), bitand(n212, n300));
n520 = bitxor(bitxor(n220, n262), n306);
n521 = bitor(bitor(bitand(n220, n262), bitand(n262, n306)), bitand(n220, n306));
n526 = bitxor(bitxor(n226, n270), n314);
n527 = bitor(bitor(bitand(n226, n270), bitand(n270, n314)), bitand(n226, n314));
n532 = bitand(n276, n320);
n538 = bitxor(n276, n320);
n546 = bitxor(n438, n433);
n547 = bitand(n438, n433);
n552 = bitxor(bitxor(n444, n439), n182);
n553 = bitor(bitor(bitand(n444, n439), bitand(n439, n182)), bitand(n444, n182));
n558 = bitxor(bitxor(n452, n445), n488);
n559 = bitor(bitor(bitand(n452, n445), bitand(n445, n488)), bitand(n452, n488));
n564 = bitxor(bitxor(n458, n453), n494);
n565 = bitor(bitor(bitand(n458, n453), bitand(n453, n494)), bitand(n458, n494));
n570 = bitxor(bitxor(n464, n459), n502);
n571 = bitor(bitor(bitand(n464, n459), bitand(n459, n502)), bitand(n464, n502));
n576 = bitxor(bitxor(n470, n465), n508);
n577 = bitor(bitor(bitand(n470, n465), bitand(n465, n508)), bitand(n470, n508));
n582 = bitxor(bitxor(n482, n471), n514);
n583 = bitor(bitor(bitand(n482, n471), bitand(n471, n514)), bitand(n482, n514));
n588 = bitxor(bitxor(n176, n476), n520);
n589 = bitor(bitor(bitand(n176, n476), bitand(n476, n520)), bitand(n176, n520));
n596 = bitxor(n495, n332);
n597 = bitand(n495, n332);
n602 = bitxor(bitxor(n503, n338), n382);
n603 = bitor(bitor(bitand(n503, n338), bitand(n338, n382)), bitand(n503, n382));
n608 = bitxor(bitxor(n509, n344), n388);
n609 = bitor(bitor(bitand(n509, n344), bitand(n344, n388)), bitand(n509, n388));
n614 = bitxor(bitxor(n515, n350), n394);
n615 = bitor(bitor(bitand(n515, n350), bitand(n350, n394)), bitand(n515, n394));
n620 = bitxor(bitxor(n521, n358), n400);
n621 = bitor(bitor(bitand(n521, n358), bitand(n358, n400)), bitand(n521, n400));
n626 = bitxor(bitxor(n527, n364), n408);
n627 = bitor(bitor(bitand(n527, n364), bitand(n364, n408)), bitand(n527, n408));
n632 = bitxor(bitxor(n532, n370), n414);
n633 = bitor(bitor(bitand(n532, n370), bitand(n370, n414)), bitand(n532, n414));
n640 = bitand(n376, n420);
n641 = bitand(n376, n420);
n646 = bitxor(n376, n420);
n652 = bitxor(n552, n547);
n653 = bitand(n552, n547);
n658 = bitxor(n558, n553);
n659 = bitand(n558, n553);
n664 = bitxor(bitxor(n564, n559), n489);
n665 = bitor(bitor(bitand(n564, n559), bitand(n559, n489)), bitand(n564, n489));
n670 = bitxor(bitxor(n570, n565), n596);
n671 = bitor(bitor(bitand(n570, n565), bitand(n565, n596)), bitand(n570, n596));
n676 = bitxor(bitxor(n576, n571), n602);
n677 = bitor(bitor(bitand(n576, n571), bitand(n571, n602)), bitand(n576, n602));
n684 = bitxor(bitxor(n582, n577), n608);
n685 = bitor(bitor(bitand(n582, n577), bitand(n577, n608)), bitand(n582, n608));
n690 = bitxor(bitxor(n588, n583), n614);
n691 = bitor(bitor(bitand(n588, n583), bitand(n583, n614)), bitand(n588, n614));
n696 = bitxor(bitxor(n526, n589), n620);
n697 = bitor(bitor(bitand(n526, n589), bitand(n589, n620)), bitand(n526, n620));
n702 = bitand(n538, n626);
n708 = bitxor(n538, n626);
n714 = bitand(n326, n632);
n720 = bitxor(n326, n632);
n726 = bitxor(n658, n653);
n727 = bitand(n658, n653);
n734 = bitxor(n664, n659);
n735 = bitand(n664, n659);
n740 = bitxor(n670, n665);
n741 = bitand(n670, n665);
n746 = bitxor(bitxor(n676, n671), n597);
n747 = bitor(bitor(bitand(n676, n671), bitand(n671, n597)), bitand(n676, n597));
n752 = bitxor(bitxor(n684, n677), n603);
n753 = bitor(bitor(bitand(n684, n677), bitand(n677, n603)), bitand(n684, n603));
n758 = bitxor(bitxor(n690, n685), n609);
n759 = bitor(bitor(bitand(n690, n685), bitand(n685, n609)), bitand(n690, n609));
n764 = bitxor(bitxor(n696, n691), n615);
n765 = bitor(bitor(bitand(n696, n691), bitand(n691, n615)), bitand(n696, n615));
n770 = bitxor(bitxor(n708, n697), n621);
n771 = bitor(bitor(bitand(n708, n697), bitand(n697, n621)), bitand(n708, n621));
n778 = bitxor(bitxor(n720, n702), n627);
n779 = bitor(bitor(bitand(n720, n702), bitand(n702, n627)), bitand(n720, n627));
n784 = bitxor(bitxor(n646, n714), n633);
n785 = bitor(bitor(bitand(n646, n714), bitand(n714, n633)), bitand(n646, n633));
n790 = n641;
n796 = bitxor(n426, n640);
n802 = bitxor(n734, n727);
n803 = bitand(n734, n727);
n808 = bitxor(n740, n735);
n809 = bitand(n740, n735);
n814 = bitxor(n746, n741);
n815 = bitand(n746, n741);
n820 = bitxor(n752, n747);
n821 = bitand(n752, n747);
n828 = bitxor(n758, n753);
n829 = bitand(n758, n753);
n834 = bitxor(n764, n759);
n835 = bitand(n764, n759);
n840 = bitxor(n770, n765);
n841 = bitand(n770, n765);
n846 = bitxor(n778, n771);
n847 = bitand(n778, n771);
n852 = bitxor(n784, n779);
n853 = bitand(n784, n779);
n858 = bitxor(n796, n785);
n859 = bitand(n796, n785);
n916 = bitand(n808, n803);
n917 = bitand(n808, n803);
n922 = bitor(n809, n916);
n946 = bitand(n814, n916);
n952 = bitand(n814, n809);
n958 = bitor(n815, n952);
n966 = bitor(n958, n946);
n972 = bitand(n820, n946);
n990 = n972;
n996 = bitand(n820, n966);
n1002 = bitand(n820, n815);
n1010 = n821;
n1016 = n996;
n1022 = bitor(n1010, n1016);
n1034 = bitand(n828, n820);
n1035 = bitand(n828, n820);
n1052 = bitand(n828, n990);
n1060 = bitand(n1034, n952);
n1066 = bitand(n1035, n1002);
n1072 = bitand(n828, n821);
n1078 = bitor(n829, n1072);
n1084 = n1066;
n1090 = bitor(n1078, n1084);
n1096 = bitor(n1090, n1052);
n1104 = bitand(n834, n828);
n1134 = bitand(n1104, n990);
n1140 = bitand(n834, n1060);
n1146 = bitand(n1104, n1002);
n1154 = bitand(n834, n1072);
n1160 = bitand(n834, n829);
n1166 = bitor(n835, n1160);
n1172 = bitor(n1154, n1146);
n1184 = bitor(n1166, n1172);
n1190 = n1184;
n1204 = bitand(n840, n834);
n1205 = bitand(n840, n834);
n1228 = bitand(n917, n790);
n1234 = n1228;
n1235 = n1228;
n1242 = bitand(n1204, n1140);
n1248 = bitand(n840, n1146);
n1254 = bitand(n1204, n1072);
n1260 = bitand(n1205, n1160);
n1266 = bitand(n840, n835);
n1272 = bitor(n841, n1266);
n1278 = bitor(n1260, n1254);
n1284 = bitor(n1248, n1242);
n1292 = bitor(n1272, n1278);
n1298 = bitor(n1284, n1234);
n1304 = bitor(n1292, n1298);
n1310 = bitand(n846, n840);
n1348 = bitand(n641, n1134);
n1354 = bitand(n846, n1204);
n1360 = bitand(n1354, n1060);
n1366 = bitand(n1310, n1146);
n1372 = bitand(n846, n1254);
n1378 = bitand(n1310, n1160);
n1386 = bitand(n846, n1266);
n1392 = bitand(n846, n841);
n1398 = bitor(n847, n1392);
n1404 = bitor(n1386, n1378);
n1410 = bitor(n1372, n1366);
n1416 = bitor(n1360, n1348);
n1422 = bitor(n1398, n1404);
n1430 = bitor(n1410, n1416);
n1436 = bitor(n1422, n1430);
n1454 = bitand(n852, n846);
n1486 = bitand(n1235, n1348);
n1492 = bitand(n1454, n1204);
n1498 = bitand(n1492, n1060);
n1504 = bitand(n852, n1310);
n1505 = bitand(n852, n1310);
n1510 = bitand(n1504, n1146);
n1516 = bitand(n1454, n1254);
n1524 = bitand(n1505, n1378);
n1530 = bitand(n1454, n1266);
n1536 = bitand(n852, n1392);
n1542 = bitand(n852, n847);
n1548 = bitor(n853, n1542);
n1554 = bitor(n1536, n1530);
n1560 = bitor(n1524, n1516);
n1568 = bitor(n1510, n1498);
n1574 = bitor(n1548, n1554);
n1580 = bitor(n1560, n1568);
n1586 = bitor(n1574, n1580);
n1592 = bitor(n1586, n1486);
n1598 = bitand(n858, n1504);
n1599 = bitand(n858, n1504);
n1662 = bitand(n489, n1498);
n1668 = n1598;
n1674 = bitand(n1668, n1366);
n1681 = bitand(n858, n1454);
n1686 = bitand(n1599, n1154);
n1692 = bitand(n1598, n1378);
n1698 = bitand(n1681, n1530);
n1704 = bitand(n1681, n1392);
n1712 = bitand(n858, n1542);
n1718 = bitand(n858, n853);
n1724 = bitor(n859, n1718);
n1730 = bitor(n1712, n1704);
n1736 = bitor(n1698, n1692);
n1742 = bitor(n1686, n1674);
n1748 = n1662;
n1756 = bitor(n1724, n1730);
n1762 = bitor(n1736, n1742);
n1768 = bitor(n1756, n1762);
n1774 = bitor(n1768, n1748);
n1968 = bitxor(n808, n803);
n1974 = bitxor(n814, n922);
n1980 = bitxor(n820, n966);
n1988 = bitxor(n828, n1022);
n1994 = bitxor(n834, n1096);
n2000 = bitxor(n840, n1190);
n2006 = bitxor(n846, n1304);
n2012 = bitxor(n852, n1436);
n2018 = bitxor(n858, n1592);
n2024 = bitor(n790, n1774);
c = bitor(c, bitshift(bitand(n32, 1), 0));
c = bitor(c, bitshift(bitand(n432, 1), 1));
c = bitor(c, bitshift(bitand(n546, 1), 2));
c = bitor(c, bitshift(bitand(n652, 1), 3));
c = bitor(c, bitshift(bitand(n726, 1), 4));
c = bitor(c, bitshift(bitand(n802, 1), 5));
c = bitor(c, bitshift(bitand(n1968, 1), 6));
c = bitor(c, bitshift(bitand(n1974, 1), 7));
c = bitor(c, bitshift(bitand(n1980, 1), 8));
c = bitor(c, bitshift(bitand(n1988, 1), 9));
c = bitor(c, bitshift(bitand(n1994, 1), 10));
c = bitor(c, bitshift(bitand(n2000, 1), 11));
c = bitor(c, bitshift(bitand(n2006, 1), 12));
c = bitor(c, bitshift(bitand(n2012, 1), 13));
c = bitor(c, bitshift(bitand(n2018, 1), 14));
c = bitor(c, bitshift(bitand(n2024, 1), 15));
end