JPS6238937A - 浮動小数点演算における保護桁処理方式 - Google Patents

浮動小数点演算における保護桁処理方式

Info

Publication number
JPS6238937A
JPS6238937A JP60178097A JP17809785A JPS6238937A JP S6238937 A JPS6238937 A JP S6238937A JP 60178097 A JP60178097 A JP 60178097A JP 17809785 A JP17809785 A JP 17809785A JP S6238937 A JPS6238937 A JP S6238937A
Authority
JP
Japan
Prior art keywords
protection
digit
subtraction
register
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
JP60178097A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0330170B2 (enrdf_load_stackoverflow
Inventor
Yuichi Hachiman
八幡　勇一
Masafumi Kubo
雅史 久保
Youzou Nakayama
中山　陽象
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.)
Panafacom Ltd
Original Assignee
Panafacom 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 Panafacom Ltd filed Critical Panafacom Ltd
Priority to JP60178097A priority Critical patent/JPS6238937A/ja
Publication of JPS6238937A publication Critical patent/JPS6238937A/ja
Publication of JPH0330170B2 publication Critical patent/JPH0330170B2/ja
Granted legal-status Critical Current

Links

JP60178097A 1985-08-13 1985-08-13 浮動小数点演算における保護桁処理方式 Granted JPS6238937A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60178097A JPS6238937A (ja) 1985-08-13 1985-08-13 浮動小数点演算における保護桁処理方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60178097A JPS6238937A (ja) 1985-08-13 1985-08-13 浮動小数点演算における保護桁処理方式

Publications (2)

Publication Number Publication Date
JPS6238937A true JPS6238937A (ja) 1987-02-19
JPH0330170B2 JPH0330170B2 (enrdf_load_stackoverflow) 1991-04-26

Family

ID=16042588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60178097A Granted JPS6238937A (ja) 1985-08-13 1985-08-13 浮動小数点演算における保護桁処理方式

Country Status (1)

Country Link
JP (1) JPS6238937A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63298435A (ja) * 1987-05-28 1988-12-06 Matsushita Electric Ind Co Ltd 浮動小数点演算装置
JPS63310021A (ja) * 1987-06-11 1988-12-19 Matsushita Electric Ind Co Ltd 丸め処理回路
WO2013088648A1 (en) * 2011-12-13 2013-06-20 International Business Machines Corporation Performing arithmetic operations using both large and small floating point values

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129946A (en) * 1980-02-13 1981-10-12 Intel Corp Method for computing numerical value and numerical data processor
JPS58225436A (ja) * 1982-06-25 1983-12-27 Panafacom Ltd まるめ処理制御方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129946A (en) * 1980-02-13 1981-10-12 Intel Corp Method for computing numerical value and numerical data processor
JPS58225436A (ja) * 1982-06-25 1983-12-27 Panafacom Ltd まるめ処理制御方式

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63298435A (ja) * 1987-05-28 1988-12-06 Matsushita Electric Ind Co Ltd 浮動小数点演算装置
JPS63310021A (ja) * 1987-06-11 1988-12-19 Matsushita Electric Ind Co Ltd 丸め処理回路
WO2013088648A1 (en) * 2011-12-13 2013-06-20 International Business Machines Corporation Performing arithmetic operations using both large and small floating point values
CN103988171A (zh) * 2011-12-13 2014-08-13 国际商业机器公司 使用大和小浮点值二者来执行算术运算
GB2511986A (en) * 2011-12-13 2014-09-17 Ibm Performing arithmetic operations using both large and small floating point values
US8909690B2 (en) 2011-12-13 2014-12-09 International Business Machines Corporation Performing arithmetic operations using both large and small floating point values
US8984041B2 (en) 2011-12-13 2015-03-17 International Business Machines Corporation Performing arithmetic operations using both large and small floating point values
US9665346B2 (en) 2011-12-13 2017-05-30 International Business Machines Corporation Performing arithmetic operations using both large and small floating point values
GB2511986B (en) * 2011-12-13 2020-03-04 Ibm Method for updating a counter for counting memory activities
DE112012005014B4 (de) 2011-12-13 2022-02-03 International Business Machines Corporation Verfahren zum Ausführen arithmetischer Operationen unter Verwendung sowohl von großen als auch kleinen Gleitkommawerten und Vorrichtung sowie Computerprogrammprodukt hierfür

Also Published As

Publication number Publication date
JPH0330170B2 (enrdf_load_stackoverflow) 1991-04-26

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