ADDING DEVICE Russian patent published in 1996 - IPC

FIELD: computer engineering; digital processing of signals and data, solving problems of mathematical physics. SUBSTANCE: adding device that has delay unit 3, input commutator built up of exponent adder 6 and switch 7, exponent counter 8, mantissa adder 12, normalization delay elements 13, mantissa analysis unit 14, two normalization control flip-flops 18, AND-OR gate 21, is provided, in addition, with input unit 4 of AND-OR gates, mantissa switch 5, control register 9, third delay element of normalization unit 13, unit 20 of normalization AND gates, result unit 23. EFFECT: improved computing accuracy in case of nonnormalized numbers as high as n/2+2, where n is word length of operands. 3 cl, 6 dwg, 1 tbl