{"id":1068,"date":"2008-02-16T20:11:53","date_gmt":"2008-02-16T11:11:53","guid":{"rendered":"http:\/\/na-inet.jp\/new-na-inet\/weblog\/2008\/02\/216_1\/"},"modified":"2008-02-16T20:11:53","modified_gmt":"2008-02-16T11:11:53","slug":"216_1","status":"publish","type":"post","link":"https:\/\/na-inet.jp\/weblog2\/2008\/02\/16\/216_1\/","title":{"rendered":"2\/16(\u571f) \u639b\u5ddd\u30fb\u6674"},"content":{"rendered":"<p>\u3000\u3069\u3069\u3069\u3069\u3069\u3069\u308f\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u3063\u3002\u4f55\u3060\u3053\u308c\uff0c\u4f55\u3060\u3053\u308c\u306f\u301c\u3002\u5168\u304f\u540c\u3058\u5f15\u6570\u3092\u4e0e\u3048\u3066\u308b\u306e\u306b\uff0c\u4e38\u3081\u30e2\u30fc\u30c9\u306b\u3088\u3063\u3066\u5168\u304f\u9055\u3046\u5024\u304c\u51fa\u308b\u3067\u306f\u306a\u3044\u304b\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u3063\uff01\uff01\uff01\uff01<\/p>\n<blockquote><p>cos(  2.15050720034533157e+02) =   1.47832900163407915e-01 (3.0e+00, 2.1e+01)<br \/>\nRN, RZ:   1.47832900163407915e-01,   3.17951687246473957e+00<br \/>\nRP, RM:   1.47832900163407915e-01,   3.17951687246473957e+00\n<\/p><\/blockquote>\n<p>\u3000\u3061\u306a\u307f\u306b\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306f<a href=\"http:\/\/na-inet.jp\/weblog\/archives\/test_cos.c\">\u3053\u308c<\/a>\u3002\u3053\u306e\u7d50\u679c\u306fFedora core 4 x86_64 + Athlon64 X2 3800+ + gcc 4.1.1\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u51fa\u529b\u3057\u305f\u3082\u306e\u306e\u4e00\u90e8\u3067\u3042\u308b(\u5168\u4f53\u306f<a href=\"http:\/\/na-inet.jp\/weblog\/archives\/test_cos_athlon64x2_fc8664.txt\">\u3053\u3061\u3089<\/a>\u30fb\u6975\u7aef\u306b\u3067\u304b\u3044\u5dee\u304c\u51fa\u305f\u6642\u306e\u307f\uff14\u30e2\u30fc\u30c9\u3067\u306e\u5024\u3092\u8868\u793a)\u3002\u3069\u3046\u3082Pentium D + CentOS 4 \u306e\u74b0\u5883\u3067\u3082\u540c\u3058\u73fe\u8c61\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u3060\u3002MacOS X 10.4 + Core2Duo + Xcode\u306e\u74b0\u5883\u3067\u306f\u3053\u306e\u73fe\u8c61\u306f\u518d\u73fe\u3057\u306a\u3044(\u7d50\u679c\u306f<a href=\"http:\/\/na-inet.jp\/weblog\/archives\/test_cos_core2duo_macosx.txt\">\u3053\u3061\u3089<\/a>\u30fb\u30a8\u30e9\u30fc\u306a\u3057\u306a\u306e\u3067cos\u306e\u5024\u306e\u307f\u8868\u793a)\u300232bit\u74b0\u5883\u3060\u3068\u7121\u4e8b\u3067\uff0c64bit\u74b0\u5883\u7279\u6709\u306e\u30d0\u30b0\u3068\u304b\uff1f\u3000\u3057\u304b\u3057\u691c\u7d22\u3057\u3066\u3082\u305d\u3093\u306a\u73fe\u8c61\u306f\u3069\u3063\u3053\u3082\u5831\u544a\u3055\u308c\u3066\u306a\u3044\u3088\u3046\u3060\u3057\u306a\u3041\u30fb\u30fb\u30fb\u3002<br \/>\n\u3000\u7d50\u679c\u3092\u773a\u3081\u308b\u9650\u308a\uff0c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eRN(Round to Nearest)\u30e2\u30fc\u30c9\u3067\u306f\u5e38\u306b\u6b63\u5e38\u5024\u3067\u3042\u308a\uff0c\u4ed6\u306e\uff13\u3064\u306e\u30e2\u30fc\u30c9\u3067\u304a\u304b\u3057\u304f\u306a\u308b\u3088\u3046\u3060\u3002\u3046\u30fc\u3093\u30fb\u30fb\u30fb\uff1f<br \/>\n\u3000\u3069\u30fc\u308a\u3067\u30ef\u30b7\u306e\u4ee3\u6570\u65b9\u7a0b\u5f0f\u306e\u30eb\u30fc\u30c1\u30f3\u3082\uff0cGSL\u306e\u30eb\u30fc\u30c1\u30f3\u3082\u7d50\u679c\u304c\u5909\u3060\u3068\u601d\u3063\u3066\u305f\u3093\u3060\u3088\u306a\u3041\u3002\u307e\u3042\u30ef\u30b7\u306e\u30df\u30b9\u3067\u306f\u306a\u3044\u3053\u3068\u304c\u5224\u660e\u3057\u305f\u304c\uff0ccos\u95a2\u6570\u306a\u3093\u3066\u57fa\u672c\u7684\u306a\u3082\u306e\u3067\u3053\u3093\u306a\u91cd\u5927\u306abug\u304c\u3042\u3063\u3061\u3083\u56f0\u308b\u3093\u3060\u3088\u306a\u3041\u3002\u3057\u304b\u3082\u8a08\u7b97\u6a5f\u8a95\u751f\u306e\u9ece\u660e\u671f\u306a\u3089\u3068\u3082\u304b\u304f\uff0c\uff12\uff11\u4e16\u7d00\u306b\u306a\u3063\u3066\u308b\u3063\u3066\u306e\u306b\u3055\u3041\u3002<br \/>\n\u3000\u3055\u3066\uff0c\u8ab0\u306b\u805e\u3051\u3070\u826f\u3044\u306e\u304b\u306a\u3041\uff1f\u3000GSL ML\u3067\u3082MPFR ML\u3067\u3082\u7551\u9055\u3044\u3060\u3057\u30fb\u30fb\u30fb\u3068\u308a\u3042\u3048\u305a\uff0cNA-Digest\u306b\u6295\u3052\u3066\u805e\u3044\u3066\u307f\u3088\u3046\u304b\u306a\u3041\u3002<br \/>\n\u3000\u539f\u56e0\u304c\u5206\u304b\u3063\u3066\u4e00\u5b89\u5fc3\u306a\u3093\u3060\u3051\u3069\uff0c\u66ab\u304f\u306f\u30ef\u30b7\u306e64bit\u74b0\u5883\u3067\u306f\u304a\u3063\u305d\u308d\u3057\u304f\u3066\u4e09\u89d2\u95a2\u6570\u304c\u4f7f\u3048\u306a\u3044\u305e\u301c\u3002\u3069\u3046\u3059\u308a\u3083\u826f\u3044\u3093\u3060\u5168\u304f\u3002\u79cb\u7530\u884c\u304d\u307e\u3067\u3082\u3046\u3061\u3063\u3068\u3060\u3063\u3066\u306e\u306b\u3055\u3041\u3002<br \/>\n\u3000\u982d\u3092\u62b1\u3048\u3064\u3064\u5bdd\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3069\u3069\u3069\u3069\u3069\u3069\u308f\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u3063\u3002\u4f55\u3060\u3053\u308c\uff0c\u4f55\u3060\u3053\u308c\u306f\u301c\u3002\u5168\u304f\u540c\u3058\u5f15\u6570\u3092\u4e0e\u3048\u3066\u308b\u306e\u306b\uff0c\u4e38\u3081\u30e2\u30fc\u30c9\u306b\u3088\u3063\u3066\u5168\u304f\u9055\u3046\u5024\u304c\u51fa\u308b\u3067\u306f\u306a\u3044\u304b\u30fc\u30fc\u30fc\u30fc\u30fc\u30fc\u3063\uff01\uff01\uff01\uff01 cos( 2.15050720034533157e+02) = 1. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/na-inet.jp\/weblog2\/2008\/02\/16\/216_1\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;2\/16(\u571f) \u639b\u5ddd\u30fb\u6674&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2],"tags":[],"class_list":["post-1068","post","type-post","status-publish","format-standard","hentry","category-2"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts\/1068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/comments?post=1068"}],"version-history":[{"count":0,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/posts\/1068\/revisions"}],"wp:attachment":[{"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/media?parent=1068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/categories?post=1068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/na-inet.jp\/weblog2\/wp-json\/wp\/v2\/tags?post=1068"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}