JPS5943441A - 浮動小数点演算装置 - Google Patents

浮動小数点演算装置

Info

Publication number
JPS5943441A
JPS5943441A JP57154140A JP15414082A JPS5943441A JP S5943441 A JPS5943441 A JP S5943441A JP 57154140 A JP57154140 A JP 57154140A JP 15414082 A JP15414082 A JP 15414082A JP S5943441 A JPS5943441 A JP S5943441A
Authority
JP
Japan
Prior art keywords
register
bytes
operand
selector
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
JP57154140A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0344327B2 (cs
Inventor
Takeshi Watanabe
毅 渡辺
Masahiro Hashimoto
眞宏 橋本
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57154140A priority Critical patent/JPS5943441A/ja
Publication of JPS5943441A publication Critical patent/JPS5943441A/ja
Publication of JPH0344327B2 publication Critical patent/JPH0344327B2/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
    • G06F7/49936—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)
JP57154140A 1982-09-03 1982-09-03 浮動小数点演算装置 Granted JPS5943441A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57154140A JPS5943441A (ja) 1982-09-03 1982-09-03 浮動小数点演算装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57154140A JPS5943441A (ja) 1982-09-03 1982-09-03 浮動小数点演算装置

Publications (2)

Publication Number Publication Date
JPS5943441A true JPS5943441A (ja) 1984-03-10
JPH0344327B2 JPH0344327B2 (cs) 1991-07-05

Family

ID=15577753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57154140A Granted JPS5943441A (ja) 1982-09-03 1982-09-03 浮動小数点演算装置

Country Status (1)

Country Link
JP (1) JPS5943441A (cs)

Also Published As

Publication number Publication date
JPH0344327B2 (cs) 1991-07-05

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