JPS59154542A - 乗算装置 - Google Patents
乗算装置Info
- Publication number
- JPS59154542A JPS59154542A JP2753183A JP2753183A JPS59154542A JP S59154542 A JPS59154542 A JP S59154542A JP 2753183 A JP2753183 A JP 2753183A JP 2753183 A JP2753183 A JP 2753183A JP S59154542 A JPS59154542 A JP S59154542A
- Authority
- JP
- Japan
- Prior art keywords
- multiplier
- exponent
- digit
- register
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
- G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
- G06F5/012—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising in floating-point computations
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2753183A JPS59154542A (ja) | 1983-02-23 | 1983-02-23 | 乗算装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2753183A JPS59154542A (ja) | 1983-02-23 | 1983-02-23 | 乗算装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59154542A true JPS59154542A (ja) | 1984-09-03 |
| JPH0578049B2 JPH0578049B2 (enExample) | 1993-10-28 |
Family
ID=12223691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2753183A Granted JPS59154542A (ja) | 1983-02-23 | 1983-02-23 | 乗算装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59154542A (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60222931A (ja) * | 1984-04-20 | 1985-11-07 | Fujitsu Ltd | 浮動小数点デ−タ乗算回路 |
| JPS61114337A (ja) * | 1984-11-07 | 1986-06-02 | Nec Corp | 浮動小数点乗算器 |
| JPS61282928A (ja) * | 1985-06-10 | 1986-12-13 | Hitachi Ltd | 浮動小数点演算装置 |
| JPS6320532A (ja) * | 1986-07-14 | 1988-01-28 | Hitachi Ltd | 浮動小数点演算装置 |
| JP2014041474A (ja) * | 2012-08-22 | 2014-03-06 | Fujitsu Ltd | 乗算装置及び乗算方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330241A (en) * | 1976-09-01 | 1978-03-22 | Hitachi Ltd | Arithmetic unit |
| JPS57147754A (en) * | 1981-03-06 | 1982-09-11 | Nippon Telegr & Teleph Corp <Ntt> | Digital parallel adder |
-
1983
- 1983-02-23 JP JP2753183A patent/JPS59154542A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5330241A (en) * | 1976-09-01 | 1978-03-22 | Hitachi Ltd | Arithmetic unit |
| JPS57147754A (en) * | 1981-03-06 | 1982-09-11 | Nippon Telegr & Teleph Corp <Ntt> | Digital parallel adder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60222931A (ja) * | 1984-04-20 | 1985-11-07 | Fujitsu Ltd | 浮動小数点デ−タ乗算回路 |
| JPS61114337A (ja) * | 1984-11-07 | 1986-06-02 | Nec Corp | 浮動小数点乗算器 |
| JPS61282928A (ja) * | 1985-06-10 | 1986-12-13 | Hitachi Ltd | 浮動小数点演算装置 |
| JPS6320532A (ja) * | 1986-07-14 | 1988-01-28 | Hitachi Ltd | 浮動小数点演算装置 |
| JP2014041474A (ja) * | 2012-08-22 | 2014-03-06 | Fujitsu Ltd | 乗算装置及び乗算方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0578049B2 (enExample) | 1993-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3725649A (en) | Floating point number processor for a digital computer | |
| US6763368B2 (en) | Method and apparatus for performing single-cycle addition or subtraction and comparison in redundant form arithmetic | |
| EP0472148B1 (en) | Method and apparatus for computing floating point data | |
| US5065352A (en) | Divide apparatus employing multiplier with overlapped partial quotients | |
| KR100264962B1 (ko) | 결합된 선두 1 및 선두 제로 예상기 | |
| US5184318A (en) | Rectangular array signed digit multiplier | |
| KR100241076B1 (ko) | 조정및정규화클래스를구비한부동소수점승산및누산장치 | |
| US5677861A (en) | Arithmetic apparatus for floating-point numbers | |
| US4594680A (en) | Apparatus for performing quadratic convergence division in a large data processing system | |
| US5144576A (en) | Signed digit multiplier | |
| JPH0250492B2 (enExample) | ||
| US5278782A (en) | Square root operation device | |
| JPS59154542A (ja) | 乗算装置 | |
| US20030115236A1 (en) | Elimination of rounding step in the short path of a floating point adder | |
| JPH086766A (ja) | 正弦余弦演算装置 | |
| US5305247A (en) | Method and processor for high-speed convergence factor determination | |
| JPH0283728A (ja) | 浮動小数点乗算装置 | |
| JP3950920B2 (ja) | 積和演算器及びデータ処理装置 | |
| JPS59116852A (ja) | 高速除算装置 | |
| JPS63158626A (ja) | 演算処理装置 | |
| JPS60171535A (ja) | 除算装置 | |
| JPS57196351A (en) | Floating point multiplying circuit | |
| JPH0797312B2 (ja) | 演算装置 | |
| SU1397903A1 (ru) | Устройство дл делени | |
| JPS60235241A (ja) | 浮動小数点加算回路 |