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mul8_002.m
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mul8_002.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_002( a, b )
% Approximate function mul8_002
% Library = EvoApprox8b
% Circuit = mul8_002
% Area (180) = 6715
% Delay (180) = 2.350
% Power (180) = 2548.20
% Area (45) = 508
% Delay (45) = 0.890
% Power (45) = 218.30
% Nodes = 132
% HD = 339806
% MAE = 329.88147
% MSE = 207883.35278
% MRE = 6.70 %
% WCE = 2193
% WCRE = 700 %
% EP = 98.5 %
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');
n36 = bitcmp(bitxor(n28, n28));
n41 = bitcmp(bitxor(n12, n12));
n49 = bitcmp(n18);
n50 = bitcmp(bitor(n10, n36));
n51 = bitcmp(bitor(n10, n36));
n55 = bitcmp(bitor(n6, n36));
n57 = bitcmp(bitor(n41, n30));
n60 = bitor(n41, n50);
n62 = n41;
n63 = n41;
n70 = bitcmp(bitand(n10, n63));
n71 = bitcmp(bitand(n10, n63));
n75 = bitcmp(n57);
n78 = bitcmp(bitor(n63, n60));
n79 = bitcmp(bitor(n63, n60));
n81 = bitand(n57, n12);
n83 = bitand(n63, n60);
n86 = n63;
n88 = bitor(bitand(n51, n62), bitand(bitcmp(n51), n81));
n89 = bitor(bitand(n51, n62), bitand(bitcmp(n51), n81));
n92 = bitcmp(bitor(n89, n62));
n93 = bitcmp(bitor(n89, n62));
n97 = bitcmp(n41);
n106 = bitcmp(bitor(bitand(n71, n60), n75));
n110 = bitcmp(bitand(n79, n0));
n113 = bitcmp(bitxor(n18, n70));
n115 = bitcmp(bitand(bitor(n6, n86), n49));
n121 = bitand(n89, n16);
n122 = bitcmp(bitor(n93, n106));
n129 = bitand(n110, n86);
n134 = bitand(n75, n78);
n147 = bitcmp(bitand(n83, n86));
n150 = bitor(bitand(n115, n16), bitand(bitcmp(n115), n22));
n153 = n129;
n160 = bitcmp(bitor(n18, n12));
n163 = bitor(n121, n88);
n222 = bitcmp(bitor(n79, n92));
n233 = bitcmp(bitand(n113, bitand(n134, n22)));
n238 = n163;
n253 = bitcmp(bitor(n97, n122));
n254 = bitand(n14, n18);
n273 = bitcmp(bitor(n18, n12));
n274 = bitcmp(bitand(n129, n134));
n294 = n41;
n313 = bitcmp(n233);
n339 = bitcmp(bitand(n75, n160));
n352 = bitor(bitand(n147, n12), bitand(bitcmp(n147), n313));
n356 = bitand(n12, n20);
n372 = bitand(n14, n20);
n374 = n97;
n417 = bitand(n4, n150);
n432 = bitcmp(bitor(n153, n70));
n435 = n55;
n446 = bitand(n8, n22);
n460 = bitand(n10, n22);
n476 = bitand(n12, n22);
n490 = bitand(n14, n22);
n505 = bitand(n417, n294);
n550 = bitand(n6, n24);
n564 = bitand(n8, n24);
n580 = bitand(n10, n24);
n594 = bitand(n12, n24);
n608 = bitand(n14, n24);
n625 = bitand(n0, n26);
n633 = bitcmp(bitor(bitand(n273, n222), n339));
n654 = bitand(n4, n26);
n668 = bitand(n6, n26);
n669 = bitand(n6, n26);
n682 = bitand(n8, n26);
n691 = bitand(n6, n254);
n698 = bitand(n10, n26);
n712 = bitand(n12, n26);
n728 = bitand(n14, n26);
n729 = bitand(n14, n26);
n756 = bitand(n2, n28);
n786 = bitand(n6, n28);
n802 = bitand(n8, n28);
n816 = bitand(n10, n28);
n832 = bitand(n12, n28);
n846 = bitand(n14, n28);
n876 = bitand(n2, n30);
n890 = bitand(n4, n30);
n906 = bitand(n6, n30);
n920 = bitand(n8, n30);
n934 = bitand(n10, n30);
n950 = bitand(n12, n30);
n964 = bitand(n14, n30);
n1009 = n633;
n1068 = bitxor(bitxor(n134, n238), n435);
n1082 = bitand(n254, n356);
n1098 = bitor(n254, n356);
n1142 = n432;
n1156 = bitxor(bitxor(n446, n550), n654);
n1157 = bitor(bitor(bitand(n446, n550), bitand(n550, n654)), bitand(n446, n654));
n1172 = bitxor(bitxor(n460, n564), n668);
n1173 = bitor(bitor(bitand(n460, n564), bitand(n564, n668)), bitand(n460, n668));
n1186 = bitxor(bitxor(n476, n580), n682);
n1187 = bitor(bitor(bitand(n476, n580), bitand(n580, n682)), bitand(n476, n682));
n1202 = bitxor(bitxor(n490, n594), n698);
n1203 = bitor(bitor(bitand(n490, n594), bitand(n594, n698)), bitand(n490, n698));
n1232 = bitxor(n608, n712);
n1233 = bitand(n608, n712);
n1277 = bitor(n625, n1009);
n1320 = bitxor(bitxor(n1068, n1142), n1156);
n1321 = bitor(bitor(bitand(n1068, n1142), bitand(n1142, n1156)), bitand(n1068, n1156));
n1334 = bitxor(bitxor(n1098, n756), n1172);
n1335 = bitor(bitor(bitand(n1098, n756), bitand(n756, n1172)), bitand(n1098, n1172));
n1350 = bitxor(bitxor(n372, n1082), n1186);
n1351 = bitor(bitor(bitand(n372, n1082), bitand(n1082, n1186)), bitand(n372, n1186));
n1394 = bitxor(bitxor(n1157, n374), n876);
n1395 = bitor(bitor(bitand(n1157, n374), bitand(n374, n876)), bitand(n1157, n876));
n1408 = bitxor(bitxor(n1173, n786), n890);
n1409 = bitor(bitor(bitand(n1173, n786), bitand(n786, n890)), bitand(n1173, n890));
n1424 = bitxor(bitxor(n1187, n802), n906);
n1425 = bitor(bitor(bitand(n1187, n802), bitand(n802, n906)), bitand(n1187, n906));
n1434 = n163;
n1438 = bitxor(bitxor(n1203, n816), n920);
n1439 = bitor(bitor(bitand(n1203, n816), bitand(n816, n920)), bitand(n1203, n920));
n1449 = n505;
n1454 = bitxor(bitxor(n1233, n832), n934);
n1455 = bitor(bitor(bitand(n1233, n832), bitand(n832, n934)), bitand(n1233, n934));
n1468 = bitand(n846, n950);
n1482 = bitxor(n846, n950);
n1483 = bitand(n846, n950);
n1528 = bitor(n1449, n1277);
n1556 = bitxor(bitxor(n1320, n1434), n1483);
n1572 = bitxor(bitxor(n1334, n1321), n1394);
n1573 = bitor(bitor(bitand(n1334, n1321), bitand(n1321, n1394)), bitand(n1334, n1394));
n1586 = bitxor(bitxor(n1350, n1335), n1408);
n1587 = bitor(bitor(bitand(n1350, n1335), bitand(n1335, n1408)), bitand(n1350, n1408));
n1602 = bitxor(bitxor(n1202, n1351), n1424);
n1603 = bitor(bitor(bitand(n1202, n1351), bitand(n1351, n1424)), bitand(n1202, n1424));
n1616 = bitand(n1232, n1438);
n1632 = bitxor(n1232, n1438);
n1646 = bitand(n729, n1454);
n1660 = bitxor(n728, n1454);
n1690 = bitor(n1528, n1156);
n1691 = bitor(n1528, n1156);
n1720 = n1556;
n1734 = bitxor(n1572, n106);
n1735 = bitand(n1572, n106);
n1750 = bitxor(bitxor(n1586, n1573), n1395);
n1751 = bitor(bitor(bitand(n1586, n1573), bitand(n1573, n1395)), bitand(n1586, n1395));
n1764 = bitxor(bitxor(n1602, n1587), n1409);
n1765 = bitor(bitor(bitand(n1602, n1587), bitand(n1587, n1409)), bitand(n1602, n1409));
n1780 = bitxor(bitxor(n1632, n1603), n1425);
n1781 = bitor(bitor(bitand(n1632, n1603), bitand(n1603, n1425)), bitand(n1632, n1425));
n1794 = bitxor(bitxor(n1660, n1616), n1439);
n1795 = bitor(bitor(bitand(n1660, n1616), bitand(n1616, n1439)), bitand(n1660, n1439));
n1808 = bitxor(bitxor(n1482, n1646), n1455);
n1809 = bitor(bitor(bitand(n1482, n1646), bitand(n1646, n1455)), bitand(n1482, n1455));
n1824 = bitand(n964, n1468);
n1838 = bitxor(n964, n1468);
n1854 = bitxor(n1690, n106);
n1868 = bitxor(n253, n1691);
n1882 = bitor(bitand(n633, n274), bitand(bitcmp(n633), n1720));
n1898 = n1734;
n1912 = bitxor(n1750, n1735);
n1928 = bitor(n1764, n1751);
n1942 = bitxor(n1780, n1765);
n1943 = bitand(n1780, n1765);
n1956 = bitxor(bitxor(n1794, n1781), n1943);
n1957 = bitor(bitor(bitand(n1794, n1781), bitand(n1781, n1943)), bitand(n1794, n1943));
n1972 = bitxor(bitxor(n1808, n1795), n1957);
n1973 = bitor(bitor(bitand(n1808, n1795), bitand(n1795, n1957)), bitand(n1808, n1957));
n1986 = bitxor(bitxor(n1838, n1809), n1973);
n1987 = bitor(bitor(bitand(n1838, n1809), bitand(n1809, n1973)), bitand(n1838, n1973));
n2016 = bitor(n1824, n1987);
c = bitor(c, bitshift(bitand(n57, 1), 0));
c = bitor(c, bitshift(bitand(n1750, 1), 1));
c = bitor(c, bitshift(bitand(n691, 1), 2));
c = bitor(c, bitshift(bitand(n352, 1), 3));
c = bitor(c, bitshift(bitand(n669, 1), 4));
c = bitor(c, bitshift(bitand(n1854, 1), 5));
c = bitor(c, bitshift(bitand(n1868, 1), 6));
c = bitor(c, bitshift(bitand(n1882, 1), 7));
c = bitor(c, bitshift(bitand(n1898, 1), 8));
c = bitor(c, bitshift(bitand(n1912, 1), 9));
c = bitor(c, bitshift(bitand(n1928, 1), 10));
c = bitor(c, bitshift(bitand(n1942, 1), 11));
c = bitor(c, bitshift(bitand(n1956, 1), 12));
c = bitor(c, bitshift(bitand(n1972, 1), 13));
c = bitor(c, bitshift(bitand(n1986, 1), 14));
c = bitor(c, bitshift(bitand(n2016, 1), 15));
end