JPS60142736A - 浮動小数点加減算方式 - Google Patents

浮動小数点加減算方式

Info

Publication number
JPS60142736A
JPS60142736A JP58248422A JP24842283A JPS60142736A JP S60142736 A JPS60142736 A JP S60142736A JP 58248422 A JP58248422 A JP 58248422A JP 24842283 A JP24842283 A JP 24842283A JP S60142736 A JPS60142736 A JP S60142736A
Authority
JP
Japan
Prior art keywords
shift
control data
shift control
data
mantissa
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
JP58248422A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0160857B2 (cg-RX-API-DMAC7.html
Inventor
Masayuki Ikeda
正幸 池田
Koichi Ueda
上田　孝一
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58248422A priority Critical patent/JPS60142736A/ja
Priority to CA000468679A priority patent/CA1229415A/en
Priority to AU36270/84A priority patent/AU555230B2/en
Priority to EP84308518A priority patent/EP0145465B1/en
Priority to DE8484308518T priority patent/DE3481788D1/de
Priority to ES538377A priority patent/ES538377A0/es
Priority to BR8406284A priority patent/BR8406284A/pt
Priority to KR1019840007775A priority patent/KR890004307B1/ko
Publication of JPS60142736A publication Critical patent/JPS60142736A/ja
Priority to US07/206,930 priority patent/US5016209A/en
Publication of JPH0160857B2 publication Critical patent/JPH0160857B2/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
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G06F7/485—Adding; Subtracting
    • 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
    • G06F7/49905—Exception handling
    • 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
    • G06F7/49936—Normalisation mentioned as feature only

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Engineering & Computer Science (AREA)
JP58248422A 1983-12-09 1983-12-29 浮動小数点加減算方式 Granted JPS60142736A (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP58248422A JPS60142736A (ja) 1983-12-29 1983-12-29 浮動小数点加減算方式
CA000468679A CA1229415A (en) 1983-12-09 1984-11-27 Floating-point addition/subtraction system
AU36270/84A AU555230B2 (en) 1983-12-09 1984-12-04 Floating-point addition/subtraction system
ES538377A ES538377A0 (es) 1983-12-09 1984-12-07 Una instalacion electronica de suma-resta en punto flotante
DE8484308518T DE3481788D1 (de) 1983-12-09 1984-12-07 Addier/substrahiersystem fuer gleitkommazahlen.
EP84308518A EP0145465B1 (en) 1983-12-09 1984-12-07 Floating-point addition/subtraction system
BR8406284A BR8406284A (pt) 1983-12-09 1984-12-07 Sistema de adicao/subtracao com virgula flutuante para duas series de dados
KR1019840007775A KR890004307B1 (ko) 1983-12-09 1984-12-08 부동소수점 가감산 장치
US07/206,930 US5016209A (en) 1983-12-09 1988-05-31 Floating-point addition/subtraction system with digit position alignment between fractions of multiple sets of data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58248422A JPS60142736A (ja) 1983-12-29 1983-12-29 浮動小数点加減算方式

Publications (2)

Publication Number Publication Date
JPS60142736A true JPS60142736A (ja) 1985-07-27
JPH0160857B2 JPH0160857B2 (cg-RX-API-DMAC7.html) 1989-12-26

Family

ID=17177885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58248422A Granted JPS60142736A (ja) 1983-12-09 1983-12-29 浮動小数点加減算方式

Country Status (1)

Country Link
JP (1) JPS60142736A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125328A (ja) * 1988-11-04 1990-05-14 Toshiba Corp 差動バレルシフタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02125328A (ja) * 1988-11-04 1990-05-14 Toshiba Corp 差動バレルシフタ

Also Published As

Publication number Publication date
JPH0160857B2 (cg-RX-API-DMAC7.html) 1989-12-26

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