JPS5330241A - Arithmetic unit - Google Patents
Arithmetic unitInfo
- Publication number
- JPS5330241A JPS5330241A JP10464176A JP10464176A JPS5330241A JP S5330241 A JPS5330241 A JP S5330241A JP 10464176 A JP10464176 A JP 10464176A JP 10464176 A JP10464176 A JP 10464176A JP S5330241 A JPS5330241 A JP S5330241A
- Authority
- JP
- Japan
- Prior art keywords
- calculation
- arithmetic unit
- exceptional
- normalization
- multiplication
- 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
Abstract
PURPOSE: To shorten the calculation time for the multiplication and division unit used for the calculation of the floating decimal point data, by reducing the cycle number required for the detection of the post-normalization and the exceptional terms after calculation at the mantissa part and the exponent part.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10464176A JPS5330241A (en) | 1976-09-01 | 1976-09-01 | Arithmetic unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10464176A JPS5330241A (en) | 1976-09-01 | 1976-09-01 | Arithmetic unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5330241A true JPS5330241A (en) | 1978-03-22 |
JPS5537028B2 JPS5537028B2 (en) | 1980-09-25 |
Family
ID=14386067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10464176A Granted JPS5330241A (en) | 1976-09-01 | 1976-09-01 | Arithmetic unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5330241A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54163640A (en) * | 1978-06-15 | 1979-12-26 | Fujitsu Ltd | Multiplying device control system |
JPS59154542A (en) * | 1983-02-23 | 1984-09-03 | Hitachi Ltd | Multiplying device |
JPS63204324A (en) * | 1987-02-19 | 1988-08-24 | Fujitsu Ltd | Multiplying system for floating point |
JPS63259720A (en) * | 1988-03-25 | 1988-10-26 | Hitachi Ltd | Floating point multiplication circuit |
JPH02170224A (en) * | 1988-12-22 | 1990-07-02 | Koufu Nippon Denki Kk | System for detecting arithmetic exception |
JPH02170225A (en) * | 1988-12-22 | 1990-07-02 | Koufu Nippon Denki Kk | System for detecting arithmetic exception |
JPH02294730A (en) * | 1989-04-17 | 1990-12-05 | Internatl Business Mach Corp <Ibm> | Floating point arithmetic processor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62204573U (en) * | 1986-06-20 | 1987-12-26 |
-
1976
- 1976-09-01 JP JP10464176A patent/JPS5330241A/en active Granted
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54163640A (en) * | 1978-06-15 | 1979-12-26 | Fujitsu Ltd | Multiplying device control system |
JPS59154542A (en) * | 1983-02-23 | 1984-09-03 | Hitachi Ltd | Multiplying device |
JPH0578049B2 (en) * | 1983-02-23 | 1993-10-28 | Hitachi Ltd | |
JPS63204324A (en) * | 1987-02-19 | 1988-08-24 | Fujitsu Ltd | Multiplying system for floating point |
JPS63259720A (en) * | 1988-03-25 | 1988-10-26 | Hitachi Ltd | Floating point multiplication circuit |
JPH0327938B2 (en) * | 1988-03-25 | 1991-04-17 | Hitachi Seisakusho Kk | |
JPH02170224A (en) * | 1988-12-22 | 1990-07-02 | Koufu Nippon Denki Kk | System for detecting arithmetic exception |
JPH02170225A (en) * | 1988-12-22 | 1990-07-02 | Koufu Nippon Denki Kk | System for detecting arithmetic exception |
JPH02294730A (en) * | 1989-04-17 | 1990-12-05 | Internatl Business Mach Corp <Ibm> | Floating point arithmetic processor |
Also Published As
Publication number | Publication date |
---|---|
JPS5537028B2 (en) | 1980-09-25 |
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