JPS57197650A - Operation circuit - Google Patents

Operation circuit

Info

Publication number
JPS57197650A
JPS57197650A JP56082114A JP8211481A JPS57197650A JP S57197650 A JPS57197650 A JP S57197650A JP 56082114 A JP56082114 A JP 56082114A JP 8211481 A JP8211481 A JP 8211481A JP S57197650 A JPS57197650 A JP S57197650A
Authority
JP
Japan
Prior art keywords
addition
subtraction circuit
product
absolute value
error
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
Application number
JP56082114A
Other languages
English (en)
Japanese (ja)
Other versions
JPH029366B2 (enrdf_load_stackoverflow
Inventor
Norishige Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56082114A priority Critical patent/JPS57197650A/ja
Publication of JPS57197650A publication Critical patent/JPS57197650A/ja
Publication of JPH029366B2 publication Critical patent/JPH029366B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/527—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel
    • G06F7/5272—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with row wise addition of partial products
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3884—Pipelining
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding

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)
JP56082114A 1981-05-29 1981-05-29 Operation circuit Granted JPS57197650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56082114A JPS57197650A (en) 1981-05-29 1981-05-29 Operation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56082114A JPS57197650A (en) 1981-05-29 1981-05-29 Operation circuit

Publications (2)

Publication Number Publication Date
JPS57197650A true JPS57197650A (en) 1982-12-03
JPH029366B2 JPH029366B2 (enrdf_load_stackoverflow) 1990-03-01

Family

ID=13765374

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56082114A Granted JPS57197650A (en) 1981-05-29 1981-05-29 Operation circuit

Country Status (1)

Country Link
JP (1) JPS57197650A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59225445A (ja) * 1983-05-16 1984-12-18 アールシーエー　トムソン　ライセンシング　コーポレイシヨン ２の補数２進信号の対称的切捨て装置
JPS62260227A (ja) * 1986-05-06 1987-11-12 Yamaha Corp 乗算回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827648A (enrdf_load_stackoverflow) * 1971-05-05 1973-04-12
JPS5213741A (en) * 1975-07-23 1977-02-02 Hitachi Ltd Digital signal processing circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827648A (enrdf_load_stackoverflow) * 1971-05-05 1973-04-12
JPS5213741A (en) * 1975-07-23 1977-02-02 Hitachi Ltd Digital signal processing circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59225445A (ja) * 1983-05-16 1984-12-18 アールシーエー　トムソン　ライセンシング　コーポレイシヨン ２の補数２進信号の対称的切捨て装置
JPS62260227A (ja) * 1986-05-06 1987-11-12 Yamaha Corp 乗算回路

Also Published As

Publication number Publication date
JPH029366B2 (enrdf_load_stackoverflow) 1990-03-01

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