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mul8_475.c
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mul8_475.c
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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.
***/
#include <stdint.h>
#include <stdlib.h>
/// Approximate function mul8_475
/// Library = EvoApprox8b
/// Circuit = mul8_475
/// Area (180) = 5256
/// Delay (180) = 2.750
/// Power (180) = 2325.30
/// Area (45) = 384
/// Delay (45) = 1.060
/// Power (45) = 198.60
/// Nodes = 94
/// HD = 316734
/// MAE = 239.18829
/// MSE = 96179.22949
/// MRE = 6.43 %
/// WCE = 1291
/// WCRE = 200 %
/// EP = 98.8 %
uint16_t mul8_475(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 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 n36;
uint8_t n37;
uint8_t n38;
uint8_t n41;
uint8_t n48;
uint8_t n51;
uint8_t n54;
uint8_t n62;
uint8_t n63;
uint8_t n65;
uint8_t n76;
uint8_t n78;
uint8_t n86;
uint8_t n87;
uint8_t n118;
uint8_t n121;
uint8_t n134;
uint8_t n137;
uint8_t n143;
uint8_t n150;
uint8_t n238;
uint8_t n254;
uint8_t n265;
uint8_t n335;
uint8_t n343;
uint8_t n356;
uint8_t n372;
uint8_t n393;
uint8_t n446;
uint8_t n460;
uint8_t n461;
uint8_t n476;
uint8_t n490;
uint8_t n550;
uint8_t n564;
uint8_t n580;
uint8_t n594;
uint8_t n608;
uint8_t n668;
uint8_t n682;
uint8_t n698;
uint8_t n712;
uint8_t n728;
uint8_t n772;
uint8_t n773;
uint8_t n786;
uint8_t n802;
uint8_t n816;
uint8_t n832;
uint8_t n846;
uint8_t n876;
uint8_t n890;
uint8_t n906;
uint8_t n920;
uint8_t n934;
uint8_t n950;
uint8_t n964;
uint8_t n965;
uint8_t n980;
uint8_t n1068;
uint8_t n1069;
uint8_t n1082;
uint8_t n1098;
uint8_t n1157;
uint8_t n1172;
uint8_t n1173;
uint8_t n1186;
uint8_t n1187;
uint8_t n1202;
uint8_t n1203;
uint8_t n1232;
uint8_t n1233;
uint8_t n1321;
uint8_t n1334;
uint8_t n1335;
uint8_t n1350;
uint8_t n1351;
uint8_t n1394;
uint8_t n1395;
uint8_t n1408;
uint8_t n1409;
uint8_t n1424;
uint8_t n1425;
uint8_t n1438;
uint8_t n1439;
uint8_t n1454;
uint8_t n1455;
uint8_t n1468;
uint8_t n1482;
uint8_t n1572;
uint8_t n1573;
uint8_t n1586;
uint8_t n1587;
uint8_t n1602;
uint8_t n1603;
uint8_t n1616;
uint8_t n1632;
uint8_t n1646;
uint8_t n1660;
uint8_t n1734;
uint8_t n1750;
uint8_t n1751;
uint8_t n1764;
uint8_t n1765;
uint8_t n1780;
uint8_t n1781;
uint8_t n1794;
uint8_t n1795;
uint8_t n1808;
uint8_t n1809;
uint8_t n1824;
uint8_t n1838;
uint8_t n1898;
uint8_t n1912;
uint8_t n1928;
uint8_t n1929;
uint8_t n1942;
uint8_t n1943;
uint8_t n1956;
uint8_t n1957;
uint8_t n1972;
uint8_t n1973;
uint8_t n1986;
uint8_t n1987;
uint8_t n2016;
n36 = n2 & n28;
n37 = n2 & n28;
n38 = ~(n37 & n24 & n22);
n41 = n28 | n38;
n48 = ~(n18 & n12);
n51 = n30 & n0;
n54 = ~(n22 & n12 & n18);
n62 = n51 & n36;
n63 = n51 & n36;
n65 = ~(n18 | n54);
n76 = n18 & n62;
n78 = n63 & n8;
n86 = n65 & n28;
n87 = n65 & n28;
n118 = n51;
n121 = ~(n2 | n78);
n134 = n14 & n76;
n137 = ~n41;
n143 = ~n137;
n150 = n87;
n238 = n12 & n18;
n254 = n14 & n18;
n265 = ~(n121 & n86);
n335 = n87 & n48;
n343 = n10 & n20;
n356 = n12 & n20;
n372 = n14 & n20;
n393 = ~n265;
n446 = n8 & n22;
n460 = n10 & n22;
n461 = n10 & n22;
n476 = n12 & n22;
n490 = n14 & n22;
n550 = n143 | n24;
n564 = n8 & n24;
n580 = n10 & n24;
n594 = n12 & n24;
n608 = n14 & n24;
n668 = n6 & n26;
n682 = n8 & n26;
n698 = n10 & n26;
n712 = n12 & n26;
n728 = n14 & n26;
n772 = n4 & n28;
n773 = n4 & n28;
n786 = n6 & n28;
n802 = n8 & n28;
n816 = n10 & n28;
n832 = n12 & n28;
n846 = n14 & n28;
n876 = n2 & n30;
n890 = n4 & n30;
n906 = n6 & n30;
n920 = n8 & n30;
n934 = n10 & n30;
n950 = n12 & n30;
n964 = n14 & n30;
n965 = n14 & n30;
n980 = n965 | n150;
n1068 = (n134 ^ n238) ^ n335;
n1069 = (n134 & n238) | (n238 & n335) | (n134 & n335);
n1082 = n254 & n356;
n1098 = n773 ^ n356;
n1157 = n446 & n550;
n1172 = (n460 ^ n564) ^ n668;
n1173 = (n460 & n564) | (n564 & n668) | (n460 & n668);
n1186 = (n476 ^ n580) ^ n682;
n1187 = (n476 & n580) | (n580 & n682) | (n476 & n682);
n1202 = (n490 ^ n594) ^ n698;
n1203 = (n490 & n594) | (n594 & n698) | (n490 & n698);
n1232 = n608 ^ n712;
n1233 = n608 & n712;
n1321 = n1068 | n118;
n1334 = (n1098 ^ n1069) ^ n1172;
n1335 = (n1098 & n1069) | (n1069 & n1172) | (n1098 & n1172);
n1350 = (n372 ^ n1082) ^ n1186;
n1351 = (n372 & n1082) | (n1082 & n1186) | (n372 & n1186);
n1394 = (n1157 ^ n772) ^ n876;
n1395 = (n1157 & n772) | (n772 & n876) | (n1157 & n876);
n1408 = (n1173 ^ n786) ^ n890;
n1409 = (n1173 & n786) | (n786 & n890) | (n1173 & n890);
n1424 = (n1187 ^ n802) ^ n906;
n1425 = (n1187 & n802) | (n802 & n906) | (n1187 & n906);
n1438 = (n1203 ^ n816) ^ n920;
n1439 = (n1203 & n816) | (n816 & n920) | (n1203 & n920);
n1454 = (n1233 ^ n832) ^ n934;
n1455 = (n1233 & n832) | (n832 & n934) | (n1233 & n934);
n1468 = n846 & n950;
n1482 = n846 ^ n950;
n1572 = (n1334 ^ n1321) ^ n1394;
n1573 = (n1334 & n1321) | (n1321 & n1394) | (n1334 & n1394);
n1586 = (n1350 ^ n1335) ^ n1408;
n1587 = (n1350 & n1335) | (n1335 & n1408) | (n1350 & n1408);
n1602 = (n1202 ^ n1351) ^ n1424;
n1603 = (n1202 & n1351) | (n1351 & n1424) | (n1202 & n1424);
n1616 = n1232 & n1438;
n1632 = n1232 ^ n1438;
n1646 = n728 & n1454;
n1660 = n728 ^ n1454;
n1734 = n1572;
n1750 = (n1586 ^ n1573) ^ n1395;
n1751 = (n1586 & n1573) | (n1573 & n1395) | (n1586 & n1395);
n1764 = (n1602 ^ n1587) ^ n1409;
n1765 = (n1602 & n1587) | (n1587 & n1409) | (n1602 & n1409);
n1780 = (n1632 ^ n1603) ^ n1425;
n1781 = (n1632 & n1603) | (n1603 & n1425) | (n1632 & n1425);
n1794 = (n1660 ^ n1616) ^ n1439;
n1795 = (n1660 & n1616) | (n1616 & n1439) | (n1660 & n1439);
n1808 = (n1482 ^ n1646) ^ n1455;
n1809 = (n1482 & n1646) | (n1646 & n1455) | (n1482 & n1455);
n1824 = n964 & n1468;
n1838 = n964 ^ n1468;
n1898 = n1734;
n1912 = n1750;
n1928 = n1764 ^ n1751;
n1929 = n1764 & n1751;
n1942 = (n1780 ^ n1765) ^ n1929;
n1943 = (n1780 & n1765) | (n1765 & n1929) | (n1780 & n1929);
n1956 = (n1794 ^ n1781) ^ n1943;
n1957 = (n1794 & n1781) | (n1781 & n1943) | (n1794 & n1943);
n1972 = (n1808 ^ n1795) ^ n1957;
n1973 = (n1808 & n1795) | (n1795 & n1957) | (n1808 & n1957);
n1986 = (n1838 ^ n1809) ^ n1973;
n1987 = (n1838 & n1809) | (n1809 & n1973) | (n1838 & n1973);
n2016 = n1824 | n1987;
c |= (n393 & 0x1) << 0;
c |= (n980 & 0x1) << 1;
c |= (n1587 & 0x1) << 2;
c |= (n1632 & 0x1) << 3;
c |= (n461 & 0x1) << 4;
c |= (n1098 & 0x1) << 5;
c |= (n343 & 0x1) << 6;
c |= (n1572 & 0x1) << 7;
c |= (n1898 & 0x1) << 8;
c |= (n1912 & 0x1) << 9;
c |= (n1928 & 0x1) << 10;
c |= (n1942 & 0x1) << 11;
c |= (n1956 & 0x1) << 12;
c |= (n1972 & 0x1) << 13;
c |= (n1986 & 0x1) << 14;
c |= (n2016 & 0x1) << 15;
return c;
}