DD131420A1 - Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen - Google Patents
Multiplikationseinrichtung fuer im komplementcode dargestellten zahlenInfo
- Publication number
- DD131420A1 DD131420A1 DD19992377A DD19992377A DD131420A1 DD 131420 A1 DD131420 A1 DD 131420A1 DD 19992377 A DD19992377 A DD 19992377A DD 19992377 A DD19992377 A DD 19992377A DD 131420 A1 DD131420 A1 DD 131420A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- complement code
- numbers displayed
- multiplication device
- multiplication
- displayed
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
- G06F7/5334—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product
- G06F7/5336—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm
- G06F7/5338—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by using multiple bit scanning, i.e. by decoding groups of successive multiplier bits in order to select an appropriate precalculated multiple of the multiplicand as a partial product overlapped, i.e. with successive bitgroups sharing one or more bits being recoded into signed digit representation, e.g. using the Modified Booth Algorithm each bitgroup having two new bits, e.g. 2nd order MBA
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762379678A SU651341A1 (ru) | 1976-07-07 | 1976-07-07 | Устройство дл умножени |
Publications (1)
Publication Number | Publication Date |
---|---|
DD131420A1 true DD131420A1 (de) | 1978-06-21 |
Family
ID=20668226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD19992377A DD131420A1 (de) | 1976-07-07 | 1977-07-06 | Multiplikationseinrichtung fuer im komplementcode dargestellten zahlen |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5317043A (xx) |
BG (1) | BG29702A1 (xx) |
DD (1) | DD131420A1 (xx) |
DE (1) | DE2730793A1 (xx) |
FR (1) | FR2357958A1 (xx) |
GB (1) | GB1540945A (xx) |
IN (1) | IN147436B (xx) |
PL (1) | PL108592B1 (xx) |
RO (1) | RO80742A (xx) |
SU (1) | SU651341A1 (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4334284A (en) * | 1979-12-31 | 1982-06-08 | Sperry Corporation | Multiplier decoding using parallel MQ register |
JPS57141753A (en) * | 1981-02-25 | 1982-09-02 | Nec Corp | Multiplication circuit |
-
1976
- 1976-07-07 SU SU762379678A patent/SU651341A1/ru active
-
1977
- 1977-07-06 IN IN1026/CAL/77A patent/IN147436B/en unknown
- 1977-07-06 DD DD19992377A patent/DD131420A1/xx unknown
- 1977-07-07 FR FR7720935A patent/FR2357958A1/fr active Granted
- 1977-07-07 GB GB2860577A patent/GB1540945A/en not_active Expired
- 1977-07-07 JP JP8049277A patent/JPS5317043A/ja active Pending
- 1977-07-07 BG BG7736825A patent/BG29702A1/xx unknown
- 1977-07-07 DE DE19772730793 patent/DE2730793A1/de not_active Ceased
- 1977-07-07 PL PL19944977A patent/PL108592B1/pl not_active IP Right Cessation
- 1977-07-07 RO RO7790966A patent/RO80742A/ro unknown
Also Published As
Publication number | Publication date |
---|---|
RO80742B (ro) | 1983-05-30 |
JPS5317043A (en) | 1978-02-16 |
RO80742A (ro) | 1983-06-01 |
DE2730793A1 (de) | 1978-01-19 |
PL199449A1 (pl) | 1978-03-28 |
IN147436B (xx) | 1980-02-23 |
GB1540945A (en) | 1979-02-21 |
FR2357958A1 (fr) | 1978-02-03 |
PL108592B1 (en) | 1980-04-30 |
FR2357958B1 (xx) | 1980-03-07 |
SU651341A1 (ru) | 1979-03-05 |
BG29702A1 (en) | 1981-01-15 |
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