text: /***
  * 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.
  ***/
  #include <stdint.h>
  #include <stdlib.h>
  
  /// Approximate function mul8_340
  ///  Library = EvoApprox8b
  ///  Circuit = mul8_340
  ///  Area   (180) = 8547
  ///  Delay  (180) = 4.860
  ///  Power  (180) = 4423.10
  ///  Area   (45) = 622
  ///  Delay  (45) = 1.790
  ///  Power  (45) = 384.20
  ///  Nodes = 129
  ///  HD = 76716
  ///  MAE = 4.91797
  ///  MSE = 87.21875
  ///  MRE = 0.20 %
  ///  WCE = 48
  ///  WCRE = 100 %
  ///  EP = 51.5 %
  uint16_t mul8_340(uint8_t a, uint8_t b)
  {
    uint16_t c = 0;
    uint8_t n0 = (a >> 0) & 0x1;
    uint8_t n2 = (a >> 1) & 0x1;
    uint8_t n4 = (a >> 2) & 0x1;
    uint8_t n6 = (a >> 3) & 0x1;
    uint8_t n8 = (a >> 4) & 0x1;
    uint8_t n10 = (a >> 5) & 0x1;
    uint8_t n12 = (a >> 6) & 0x1;
    uint8_t n14 = (a >> 7) & 0x1;
    uint8_t n16 = (b >> 0) & 0x1;
    uint8_t n18 = (b >> 1) & 0x1;
    uint8_t n20 = (b >> 2) & 0x1;
    uint8_t n22 = (b >> 3) & 0x1;
    uint8_t n24 = (b >> 4) & 0x1;
    uint8_t n26 = (b >> 5) & 0x1;
    uint8_t n28 = (b >> 6) & 0x1;
    uint8_t n30 = (b >> 7) & 0x1;
    uint8_t n32;
    uint8_t n34;
    uint8_t n38;
    uint8_t n39;
    uint8_t n41;
    uint8_t n44;
    uint8_t n49;
    uint8_t n51;
    uint8_t n54;
    uint8_t n65;
    uint8_t n80;
    uint8_t n81;
    uint8_t n82;
    uint8_t n83;
    uint8_t n98;
    uint8_t n114;
    uint8_t n132;
    uint8_t n137;
    uint8_t n148;
    uint8_t n164;
    uint8_t n169;
    uint8_t n182;
    uint8_t n183;
    uint8_t n198;
    uint8_t n214;
    uint8_t n232;
    uint8_t n248;
    uint8_t n264;
    uint8_t n282;
    uint8_t n298;
    uint8_t n299;
    uint8_t n314;
    uint8_t n332;
    uint8_t n333;
    uint8_t n348;
    uint8_t n349;
    uint8_t n364;
    uint8_t n365;
    uint8_t n382;
    uint8_t n383;
    uint8_t n398;
    uint8_t n399;
    uint8_t n414;
    uint8_t n415;
    uint8_t n432;
    uint8_t n448;
    uint8_t n464;
    uint8_t n482;
    uint8_t n498;
    uint8_t n514;
    uint8_t n532;
    uint8_t n548;
    uint8_t n564;
    uint8_t n582;
    uint8_t n598;
    uint8_t n614;
    uint8_t n615;
    uint8_t n632;
    uint8_t n633;
    uint8_t n648;
    uint8_t n649;
    uint8_t n664;
    uint8_t n665;
    uint8_t n682;
    uint8_t n683;
    uint8_t n698;
    uint8_t n714;
    uint8_t n732;
    uint8_t n748;
    uint8_t n764;
    uint8_t n782;
    uint8_t n798;
    uint8_t n814;
    uint8_t n832;
    uint8_t n833;
    uint8_t n848;
    uint8_t n849;
    uint8_t n864;
    uint8_t n865;
    uint8_t n882;
    uint8_t n883;
    uint8_t n898;
    uint8_t n899;
    uint8_t n914;
    uint8_t n915;
    uint8_t n932;
    uint8_t n933;
    uint8_t n948;
    uint8_t n949;
    uint8_t n964;
    uint8_t n982;
    uint8_t n998;
    uint8_t n1014;
    uint8_t n1032;
    uint8_t n1048;
    uint8_t n1064;
    uint8_t n1082;
    uint8_t n1098;
    uint8_t n1099;
    uint8_t n1114;
    uint8_t n1115;
    uint8_t n1132;
    uint8_t n1133;
    uint8_t n1148;
    uint8_t n1149;
    uint8_t n1164;
    uint8_t n1165;
    uint8_t n1182;
    uint8_t n1183;
    uint8_t n1198;
    uint8_t n1199;
    uint8_t n1214;
    uint8_t n1215;
    uint8_t n1232;
    uint8_t n1248;
    uint8_t n1264;
    uint8_t n1282;
    uint8_t n1298;
    uint8_t n1314;
    uint8_t n1332;
    uint8_t n1348;
    uint8_t n1364;
    uint8_t n1365;
    uint8_t n1382;
    uint8_t n1383;
    uint8_t n1398;
    uint8_t n1399;
    uint8_t n1414;
    uint8_t n1415;
    uint8_t n1432;
    uint8_t n1433;
    uint8_t n1448;
    uint8_t n1449;
    uint8_t n1464;
    uint8_t n1465;
    uint8_t n1482;
    uint8_t n1483;
    uint8_t n1498;
    uint8_t n1514;
    uint8_t n1532;
    uint8_t n1548;
    uint8_t n1564;
    uint8_t n1582;
    uint8_t n1598;
    uint8_t n1614;
    uint8_t n1632;
    uint8_t n1633;
    uint8_t n1648;
    uint8_t n1649;
    uint8_t n1664;
    uint8_t n1665;
    uint8_t n1682;
    uint8_t n1683;
    uint8_t n1698;
    uint8_t n1699;
    uint8_t n1714;
    uint8_t n1715;
    uint8_t n1732;
    uint8_t n1733;
    uint8_t n1748;
    uint8_t n1749;
    uint8_t n1764;
    uint8_t n1782;
    uint8_t n1798;
    uint8_t n1814;
    uint8_t n1832;
    uint8_t n1848;
    uint8_t n1864;
    uint8_t n1882;
    uint8_t n1898;
    uint8_t n1899;
    uint8_t n1914;
    uint8_t n1915;
    uint8_t n1932;
    uint8_t n1933;
    uint8_t n1948;
    uint8_t n1949;
    uint8_t n1964;
    uint8_t n1965;
    uint8_t n1982;
    uint8_t n1983;
    uint8_t n1998;
    uint8_t n1999;
    uint8_t n2014;
    uint8_t n2015;
  
    n32 = n0 & n16;
    n34 = ~n18;
    n38 = ~(n34 | n24 | n14);
    n39 = ~(n34 | n24 | n14);
    n41 = n2 & n30;
    n44 = ~((n38 | n20) & n8);
    n49 = n2 & n16;
    n51 = n30 & n44;
    n54 = (n30 & n16) | (~n30 & n51);
    n65 = n4 & n54;
    n80 = n41 | n39;
    n81 = n41 | n39;
    n82 = n6 & n16;
    n83 = n6 & n16;
    n98 = n8 & n16;
    n114 = n10 & n16;
    n132 = n12 & n16;
    n137 = n65;
    n148 = n14 & n16;
    n164 = n0 & n18;
    n169 = n49;
    n182 = ~(n137 & n80 & n81);
    n183 = ~(n137 & n80 & n81);
    n198 = n4 & n18;
    n214 = n6 & n18;
    n232 = n8 & n18;
    n248 = n10 & n18;
    n264 = n12 & n18;
    n282 = n14 & n18;
    n298 = n169 ^ n164;
    n299 = n169 & n164;
    n314 = (n137 ^ n182) ^ n299;
    n332 = (n82 ^ n198) ^ n83;
    n333 = (n82 & n198) | (n198 & n83) | (n82 & n83);
    n348 = (n98 ^ n214) ^ n333;
    n349 = (n98 & n214) | (n214 & n333) | (n98 & n333);
    n364 = (n114 ^ n232) ^ n349;
    n365 = (n114 & n232) | (n232 & n349) | (n114 & n349);
    n382 = (n132 ^ n248) ^ n365;
    n383 = (n132 & n248) | (n248 & n365) | (n132 & n365);
    n398 = (n148 ^ n264) ^ n383;
    n399 = (n148 & n264) | (n264 & n383) | (n148 & n383);
    n414 = n399 ^ n282;
    n415 = n399 & n282;
    n432 = n0 & n20;
    n448 = n2 & n20;
    n464 = n4 & n20;
    n482 = n6 & n20;
    n498 = n8 & n20;
    n514 = n10 & n20;
    n532 = n12 & n20;
    n548 = n14 & n20;
    n564 = (n183 & n432) | (~n183 & n314);
    n582 = n332 ^ n448;
    n598 = n348 | n464;
    n614 = n364 ^ n482;
    n615 = n364 & n482;
    n632 = (n382 ^ n498) ^ n615;
    n633 = (n382 & n498) | (n498 & n615) | (n382 & n615);
    n648 = (n398 ^ n514) ^ n633;
    n649 = (n398 & n514) | (n514 & n633) | (n398 & n633);
    n664 = (n414 ^ n532) ^ n649;
    n665 = (n414 & n532) | (n532 & n649) | (n414 & n649);
    n682 = (n415 ^ n548) ^ n665;
    n683 = (n415 & n548) | (n548 & n665) | (n415 & n665);
    n698 = n0 & n22;
    n714 = n2 & n22;
    n732 = n4 & n22;
    n748 = n6 & n22;
    n764 = n8 & n22;
    n782 = n10 & n22;
    n798 = n12 & n22;
    n814 = n14 & n22;
    n832 = n582 ^ n698;
    n833 = n582 & n698;
    n848 = (n598 ^ n714) ^ n833;
    n849 = (n598 & n714) | (n714 & n833) | (n598 & n833);
    n864 = (n614 ^ n732) ^ n849;
    n865 = (n614 & n732) | (n732 & n849) | (n614 & n849);
    n882 = (n632 ^ n748) ^ n865;
    n883 = (n632 & n748) | (n748 & n865) | (n632 & n865);
    n898 = (n648 ^ n764) ^ n883;
    n899 = (n648 & n764) | (n764 & n883) | (n648 & n883);
    n914 = (n664 ^ n782) ^ n899;
    n915 = (n664 & n782) | (n782 & n899) | (n664 & n899);
    n932 = (n682 ^ n798) ^ n915;
    n933 = (n682 & n798) | (n798 & n915) | (n682 & n915);
    n948 = (n683 ^ n814) ^ n933;
    n949 = (n683 & n814) | (n814 & n933) | (n683 & n933);
    n964 = n0 & n24;
    n982 = n2 & n24;
    n998 = n4 & n24;
    n1014 = n6 & n24;
    n1032 = n8 & n24;
    n1048 = n10 & n24;
    n1064 = n12 & n24;
    n1082 = n14 & n24;
    n1098 = n848 ^ n964;
    n1099 = n848 & n964;
    n1114 = (n864 ^ n982) ^ n1099;
    n1115 = (n864 & n982) | (n982 & n1099) | (n864 & n1099);
    n1132 = (n882 ^ n998) ^ n1115;
    n1133 = (n882 & n998) | (n998 & n1115) | (n882 & n1115);
    n1148 = (n898 ^ n1014) ^ n1133;
    n1149 = (n898 & n1014) | (n1014 & n1133) | (n898 & n1133);
    n1164 = (n914 ^ n1032) ^ n1149;
    n1165 = (n914 & n1032) | (n1032 & n1149) | (n914 & n1149);
    n1182 = (n932 ^ n1048) ^ n1165;
    n1183 = (n932 & n1048) | (n1048 & n1165) | (n932 & n1165);
    n1198 = (n948 ^ n1064) ^ n1183;
    n1199 = (n948 & n1064) | (n1064 & n1183) | (n948 & n1183);
    n1214 = (n949 ^ n1082) ^ n1199;
    n1215 = (n949 & n1082) | (n1082 & n1199) | (n949 & n1199);
    n1232 = n0 & n26;
    n1248 = n2 & n26;
    n1264 = n4 & n26;
    n1282 = n6 & n26;
    n1298 = n8 & n26;
    n1314 = n10 & n26;
    n1332 = n12 & n26;
    n1348 = n14 & n26;
    n1364 = n1114 ^ n1232;
    n1365 = n1114 & n1232;
    n1382 = (n1132 ^ n1248) ^ n1365;
    n1383 = (n1132 & n1248) | (n1248 & n1365) | (n1132 & n1365);
    n1398 = (n1148 ^ n1264) ^ n1383;
    n1399 = (n1148 & n1264) | (n1264 & n1383) | (n1148 & n1383);
    n1414 = (n1164 ^ n1282) ^ n1399;
    n1415 = (n1164 & n1282) | (n1282 & n1399) | (n1164 & n1399);
    n1432 = (n1182 ^ n1298) ^ n1415;
    n1433 = (n1182 & n1298) | (n1298 & n1415) | (n1182 & n1415);
    n1448 = (n1198 ^ n1314) ^ n1433;
    n1449 = (n1198 & n1314) | (n1314 & n1433) | (n1198 & n1433);
    n1464 = (n1214 ^ n1332) ^ n1449;
    n1465 = (n1214 & n1332) | (n1332 & n1449) | (n1214 & n1449);
    n1482 = (n1215 ^ n1348) ^ n1465;
    n1483 = (n1215 & n1348) | (n1348 & n1465) | (n1215 & n1465);
    n1498 = n0 & n28;
    n1514 = n2 & n28;
    n1532 = n4 & n28;
    n1548 = n6 & n28;
    n1564 = n8 & n28;
    n1582 = n10 & n28;
    n1598 = n12 & n28;
    n1614 = n14 & n28;
    n1632 = n1382 ^ n1498;
    n1633 = n1382 & n1498;
    n1648 = (n1398 ^ n1514) ^ n1633;
    n1649 = (n1398 & n1514) | (n1514 & n1633) | (n1398 & n1633);
    n1664 = (n1414 ^ n1532) ^ n1649;
    n1665 = (n1414 & n1532) | (n1532 & n1649) | (n1414 & n1649);
    n1682 = (n1432 ^ n1548) ^ n1665;
    n1683 = (n1432 & n1548) | (n1548 & n1665) | (n1432 & n1665);
    n1698 = (n1448 ^ n1564) ^ n1683;
    n1699 = (n1448 & n1564) | (n1564 & n1683) | (n1448 & n1683);
    n1714 = (n1464 ^ n1582) ^ n1699;
    n1715 = (n1464 & n1582) | (n1582 & n1699) | (n1464 & n1699);
    n1732 = (n1482 ^ n1598) ^ n1715;
    n1733 = (n1482 & n1598) | (n1598 & n1715) | (n1482 & n1715);
    n1748 = (n1483 ^ n1614) ^ n1733;
    n1749 = (n1483 & n1614) | (n1614 & n1733) | (n1483 & n1733);
    n1764 = n0 & n30;
    n1782 = n2 & n30;
    n1798 = n4 & n30;
    n1814 = n6 & n30;
    n1832 = n8 & n30;
    n1848 = n10 & n30;
    n1864 = n12 & n30;
    n1882 = n14 & n30;
    n1898 = n1648 ^ n1764;
    n1899 = n1648 & n1764;
    n1914 = (n1664 ^ n1782) ^ n1899;
    n1915 = (n1664 & n1782) | (n1782 & n1899) | (n1664 & n1899);
    n1932 = (n1682 ^ n1798) ^ n1915;
    n1933 = (n1682 & n1798) | (n1798 & n1915) | (n1682 & n1915);
    n1948 = (n1698 ^ n1814) ^ n1933;
    n1949 = (n1698 & n1814) | (n1814 & n1933) | (n1698 & n1933);
    n1964 = (n1714 ^ n1832) ^ n1949;
    n1965 = (n1714 & n1832) | (n1832 & n1949) | (n1714 & n1949);
    n1982 = (n1732 ^ n1848) ^ n1965;
    n1983 = (n1732 & n1848) | (n1848 & n1965) | (n1732 & n1965);
    n1998 = (n1748 ^ n1864) ^ n1983;
    n1999 = (n1748 & n1864) | (n1864 & n1983) | (n1748 & n1983);
    n2014 = (n1749 ^ n1882) ^ n1999;
    n2015 = (n1749 & n1882) | (n1882 & n1999) | (n1749 & n1999);
  
    c |= (n32 & 0x1) << 0;
    c |= (n298 & 0x1) << 1;
    c |= (n564 & 0x1) << 2;
    c |= (n832 & 0x1) << 3;
    c |= (n1098 & 0x1) << 4;
    c |= (n1364 & 0x1) << 5;
    c |= (n1632 & 0x1) << 6;
    c |= (n1898 & 0x1) << 7;
    c |= (n1914 & 0x1) << 8;
    c |= (n1932 & 0x1) << 9;
    c |= (n1948 & 0x1) << 10;
    c |= (n1964 & 0x1) << 11;
    c |= (n1982 & 0x1) << 12;
    c |= (n1998 & 0x1) << 13;
    c |= (n2014 & 0x1) << 14;
    c |= (n2015 & 0x1) << 15;
  
    return c;
  }
  
  