{"id":16078,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00016078","sets":["581:899:904"]},"path":["904"],"owner":"11","recid":"16078","title":["二重指数分割に基づくデータ長独立実数値表現法II"],"pubdate":{"attribute_name":"公開日","attribute_value":"1983-03-15"},"_buckets":{"deposit":"84a15529-055b-4fe3-9192-e32773220141"},"_deposit":{"id":"16078","pid":{"type":"depid","value":"16078","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"二重指数分割に基づくデータ長独立実数値表現法II","author_link":["361302","361303"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"二重指数分割に基づくデータ長独立実数値表現法II"},{"subitem_title":"Data Length Independent Real Number Representation Based on Double Exponential Cut II","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"論文（論文賞受賞）","subitem_subject_scheme":"Other"}]},"item_type_id":"2","publish_date":"1983-03-15","item_2_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"（株）日立製作所中央研究所"}]},"item_2_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Central Research Laboratory, Hitachi Ltd","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/16078/files/IPSJ-JNL2402003.pdf","label":"IPSJ-JNL2402003"},"date":[{"dateType":"Available","dateValue":"1985-03-15"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-JNL2402003.pdf","filesize":[{"value":"611.6 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"8"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"7fa2c76d-717f-4b03-abd4-94c12a105bcb","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1983 by the Information Processing Society of Japan"}]},"item_2_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"浜田, 穂積"}],"nameIdentifiers":[{}]}]},"item_2_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Hozumi, Hamada","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_2_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00116647","subitem_source_identifier_type":"NCID"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_2_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-7764","subitem_source_identifier_type":"ISSN"}]},"item_2_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"実数値の2進表現として 先に次の特徴を有する表現法を提案した.(i)形式はデータの長さに依存せず精度変換操作が単純 (ii)オーバフロー アンダフローが発生せず 十分大きい数も十分小さい数も表現可能 (iii)固定小数点表現と比べて 分解能の点で1ビットの不利にすぎない.しかしながら 2進数としての指数の値の2進表現と本表現の指数部とが完全には対応せず1だけずれていて論理を少し複雑にしていたのを修正した.これによっても 上記の特徴は保たれることがわかった.丸めについてはIEEE標準案での提案のすべてを容易に満たすことができる非数については IEEE標準案と松井・伊理の提案したもののうち 0 +0 -0 ∞ +∞ -∞は2進による表現パタンの極限的なものを 表現しようとする数値との自然な連続として定義することができる.これら非数をも含めた数の四則演算を 対称性をよく保って定義することができる.ただし 松井・伊理の定義した? +? -?については特別な数値ではなく 表現の詳しさに関する情報であって 本表現の意味となじまないため定義しないほうが望ましいと考え 該当の場合は有意性なしの例外処理を期待する.データの特性パラメータが本表現によれば長さだけであるので プログラミング言語での指定も容易となる.この場合の具体的拠案も行った.","subitem_description_type":"Other"}]},"item_2_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"156","bibliographic_titles":[{"bibliographic_title":"情報処理学会論文誌"}],"bibliographicPageStart":"149","bibliographicIssueDates":{"bibliographicIssueDate":"1983-03-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicVolumeNumber":"24"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"updated":"2025-01-20T06:34:06.264433+00:00","created":"2025-01-18T22:49:27.021510+00:00","links":{}}