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mul8_418.m
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mul8_418.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_418( a, b )
% Approximate function mul8_418
% Library = EvoApprox8b
% Circuit = mul8_418
% Area (180) = 8728
% Delay (180) = 3.370
% Power (180) = 4577.30
% Area (45) = 625
% Delay (45) = 1.290
% Power (45) = 394.60
% Nodes = 130
% HD = 215168
% MAE = 67.70166
% MSE = 7021.50000
% MRE = 2.49 %
% WCE = 248
% WCRE = 200 %
% EP = 94.1 %
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);
n33 = bitand(n0, n16);
n38 = bitxor(n33, n16);
n46 = bitand(n2, n16);
n49 = bitand(n18, n12);
n60 = bitand(n4, n16);
n76 = bitand(n6, n16);
n84 = bitand(n49, n38);
n85 = bitand(n49, n38);
n90 = bitand(n8, n16);
n121 = bitand(n49, n16);
n134 = bitand(n14, n16);
n150 = bitand(n0, n84);
n164 = bitand(n2, n18);
n180 = bitand(n4, n18);
n194 = bitand(n6, n18);
n224 = bitand(n10, n18);
n238 = bitand(n12, n18);
n254 = bitand(n14, n18);
n282 = bitand(n2, n20);
n298 = bitand(n4, n20);
n329 = bitand(n8, n20);
n343 = bitand(n10, n20);
n356 = bitand(n12, n20);
n372 = bitand(n14, n20);
n386 = bitand(n0, n22);
n402 = bitor(bitand(n2, n22), bitand(bitcmp(n2), n2));
n416 = bitand(n4, n22);
n432 = bitand(n6, n22);
n446 = bitand(n8, n22);
n460 = bitand(n10, n22);
n476 = bitand(n12, n22);
n490 = bitand(n14, n22);
n506 = bitand(n0, n24);
n520 = bitand(n2, n24);
n534 = bitand(n4, n24);
n550 = bitand(n6, n24);
n564 = bitand(n8, n24);
n580 = bitand(n10, n24);
n594 = bitand(n12, n24);
n608 = bitand(n14, n24);
n624 = bitand(n0, n26);
n638 = bitand(n2, n26);
n654 = bitand(n4, n26);
n668 = bitand(n6, n26);
n682 = bitand(n8, n26);
n698 = bitand(n10, n26);
n712 = bitand(n12, n26);
n728 = bitand(n14, n26);
n742 = bitand(n0, n28);
n756 = bitand(n2, n28);
n772 = bitand(n4, n28);
n786 = bitand(n6, n28);
n802 = bitand(n8, n28);
n816 = bitand(n10, n28);
n832 = bitand(n12, n28);
n846 = bitand(n14, n28);
n860 = bitand(n0, n30);
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);
n980 = bitxor(n46, n150);
n981 = bitand(n46, n150);
n994 = bitxor(n60, n164);
n995 = bitand(n60, n164);
n1008 = bitxor(bitxor(n76, n180), n282);
n1009 = bitor(bitor(bitand(n76, n180), bitand(n180, n282)), bitand(n76, n282));
n1024 = bitxor(bitxor(n90, n194), n298);
n1025 = bitor(bitor(bitand(n90, n194), bitand(n194, n298)), bitand(n90, n298));
n1054 = bitxor(bitxor(n121, n224), n329);
n1055 = bitor(bitor(bitand(n121, n224), bitand(n224, n329)), bitand(n121, n329));
n1068 = bitxor(bitxor(n134, n238), n343);
n1069 = bitor(bitor(bitand(n134, n238), bitand(n238, n343)), bitand(n134, n343));
n1082 = bitand(n254, n356);
n1098 = bitxor(n254, n356);
n1112 = bitxor(n402, n506);
n1128 = bitxor(bitxor(n416, n520), n624);
n1129 = bitor(bitor(bitand(n416, n520), bitand(n520, n624)), bitand(n416, n624));
n1142 = bitxor(bitxor(n432, n534), n638);
n1143 = bitor(bitor(bitand(n432, n534), bitand(n534, n638)), bitand(n432, n638));
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);
n1246 = bitxor(n994, n981);
n1261 = bitor(bitor(bitand(n1008, n995), bitand(n995, n386)), bitand(n1008, n386));
n1276 = bitxor(bitxor(n1024, n1009), n1112);
n1277 = bitor(bitor(bitand(n1024, n1009), bitand(n1009, n1112)), bitand(n1024, n1112));
n1290 = bitxor(bitxor(n85, n1025), n1128);
n1291 = bitor(bitor(bitand(n85, n1025), bitand(n1025, n1128)), bitand(n85, n1128));
n1306 = n1054;
n1307 = n1054;
n1320 = bitxor(bitxor(n1068, n1055), n1156);
n1321 = bitor(bitor(bitand(n1068, n1055), bitand(n1055, n1156)), bitand(n1068, n1156));
n1334 = bitxor(bitxor(n1098, n1069), n1172);
n1335 = bitor(bitor(bitand(n1098, n1069), bitand(n1069, n1172)), bitand(n1098, n1172));
n1350 = bitxor(bitxor(n372, n1082), n1186);
n1351 = bitor(bitor(bitand(n372, n1082), bitand(n1082, n1186)), bitand(n372, n1186));
n1365 = bitand(n1129, n742);
n1380 = bitxor(bitxor(n1143, n756), n860);
n1381 = bitor(bitor(bitand(n1143, n756), bitand(n756, n860)), bitand(n1143, n860));
n1394 = bitxor(bitxor(n1157, n772), n876);
n1395 = bitor(bitor(bitand(n1157, n772), bitand(n772, 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));
n1438 = bitxor(bitxor(n1203, n816), n920);
n1439 = bitor(bitor(bitand(n1203, n816), bitand(n816, n920)), bitand(n1203, n920));
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);
n1512 = bitxor(n1276, n1261);
n1513 = bitand(n1276, n1261);
n1528 = bitor(n1290, n1277);
n1529 = bitor(n1290, n1277);
n1542 = bitxor(n1306, n1291);
n1543 = bitand(n1306, n1291);
n1556 = bitxor(bitxor(n1320, n1307), n1380);
n1557 = bitor(bitor(bitand(n1320, n1307), bitand(n1307, n1380)), bitand(n1320, n1380));
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(n728, n1454);
n1660 = bitxor(n728, n1454);
n1676 = bitxor(n1512, n1142);
n1677 = bitand(n1512, n1142);
n1690 = bitxor(n1528, n1513);
n1691 = bitand(n1528, n1513);
n1706 = bitxor(n1542, n1529);
n1707 = bitand(n1542, n1529);
n1720 = bitxor(bitxor(n1556, n1543), n1365);
n1721 = bitor(bitor(bitand(n1556, n1543), bitand(n1543, n1365)), bitand(n1556, n1365));
n1734 = bitxor(bitxor(n1572, n1557), n1381);
n1735 = bitor(bitor(bitand(n1572, n1557), bitand(n1557, n1381)), bitand(n1572, n1381));
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, n1677);
n1855 = bitand(n1690, n1677);
n1868 = bitxor(bitxor(n1706, n1691), n1855);
n1869 = bitor(bitor(bitand(n1706, n1691), bitand(n1691, n1855)), bitand(n1706, n1855));
n1882 = bitxor(bitxor(n1720, n1707), n1869);
n1883 = bitor(bitor(bitand(n1720, n1707), bitand(n1707, n1869)), bitand(n1720, n1869));
n1898 = bitxor(bitxor(n1734, n1721), n1883);
n1899 = bitor(bitor(bitand(n1734, n1721), bitand(n1721, n1883)), bitand(n1734, n1883));
n1912 = bitxor(bitxor(n1750, n1735), n1899);
n1913 = bitor(bitor(bitand(n1750, n1735), bitand(n1735, n1899)), bitand(n1750, n1899));
n1928 = bitxor(bitxor(n1764, n1751), n1913);
n1929 = bitor(bitor(bitand(n1764, n1751), bitand(n1751, n1913)), bitand(n1764, n1913));
n1942 = bitxor(bitxor(n1780, n1765), n1929);
n1943 = bitor(bitor(bitand(n1780, n1765), bitand(n1765, n1929)), bitand(n1780, n1929));
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(n32, 1), 0));
c = bitor(c, bitshift(bitand(n980, 1), 1));
c = bitor(c, bitshift(bitand(n1246, 1), 2));
c = bitor(c, bitshift(bitand(n432, 1), 3));
c = bitor(c, bitshift(bitand(n1676, 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