锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久久www免费人成精品,69SEX久久精品国产麻豆,少妇无套内谢久久久久http://www.shnenglu.com/dawnbreak/PearLi's Blogzh-cnTue, 06 May 2025 22:41:54 GMTTue, 06 May 2025 22:41:54 GMT60vmware妗ユ帴鏂瑰紡鐨勮緗?/title><link>http://www.shnenglu.com/dawnbreak/archive/2011/04/19/144611.html</link><dc:creator>pear_li</dc:creator><author>pear_li</author><pubDate>Tue, 19 Apr 2011 15:48:00 GMT</pubDate><guid>http://www.shnenglu.com/dawnbreak/archive/2011/04/19/144611.html</guid><wfw:comment>http://www.shnenglu.com/dawnbreak/comments/144611.html</wfw:comment><comments>http://www.shnenglu.com/dawnbreak/archive/2011/04/19/144611.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.shnenglu.com/dawnbreak/comments/commentRss/144611.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/dawnbreak/services/trackbacks/144611.html</trackback:ping><description><![CDATA[<p>浠婂ぉ寮勫紑鍙戞澘緗戠粶榪炴帴鏁翠簡鍗婂ぉ<br><br>紜歡濡備笅錛?br>絎旇鏈?鍙岀綉鍗?win7<br>緗戝崱1--浠ュお緗戝崱錛屼笌寮鍙戞澘鐩歌繛鎺ワ紝璋冭瘯鐢?br>緗戝崱2--鏃犵嚎緗戝崱錛屼笌鏃犵嚎璺敱榪炴帴錛屼笂澶栫綉鐢?br><br>vmware-妗ユ帴-ubuntu10.04<br><br>鎴戞兂杈懼埌鐨勭洰鐨勬槸鍙互鐢ㄧ瑪璁版湰涓婄綉錛岃櫄鎷熸帴涓庡紑鍙戞澘榪炴帴璋冭瘯錛?br>鎵浠ワ紝鎴戣繘琛屼簡濡備笅閰嶇疆錛?br>瀵箇in7<br>鏃犵嚎灞鍩熺綉閫傞厤鍣?鏃犵嚎緗戠粶榪炴帴:錛堜笌璺敱鍣―HCP  錛?br>   IPv4 鍦板潃 . . . . . . . . . . . . : 192.168.1.10<br>   瀛愮綉鎺╃爜  . . . . . . . . . . . . : 255.255.255.0<br>   榛樿緗戝叧. . . . . . . . . . . . . : 192.168.1.1</p> <p>浠ュお緗戦傞厤鍣?鏈湴榪炴帴:錛堜笌铏氭嫙鎺mware鐨剉mnet0緗戝崱妗ユ帴錛?br>   IPv4 鍦板潃 . . . . . . . . . . . . : 192.168.2.10<br>   瀛愮綉鎺╃爜  . . . . . . . . . . . . : 255.255.255.0<br>   榛樿緗戝叧. . . . . . . . . . . . . : 192.168.2.1</p> 瀵箄buntu10.04<br>eth0      Link encap:Ethernet  HWaddr 00:0c:29:6a:79:50  <br>          inet addr:192.168.2.11  Bcast:192.168.2.255  Mask:255.255.255.0<br>瀵瑰紑鍙戞澘uboot<br>ipaddr=192.168.2.9<br>netmask=255.255.255.0<br><br>鎬濊礬寰堟竻妤氾紝闂鏉ヤ簡錛屾庝箞緇戝畾vmware鐨剉mnet0涓庝互澶綉鍗$殑妗ユ帴錛?br>鍏抽敭闂鍦ㄤ簬vmware鑷綔澶氭儏榛樿灝唙mnet0涓庢湁internet榪炴帴鐨勭綉鍗$粦瀹氾紝鎵浠ュ綋鎴戝紑鍚棤綰跨綉鍗℃槸錛屽氨鑷姩妗ユ帴鍒頒簡鏃犵嚎緗戝崱涓婏紝瀵艱嚧寮鍙戞澘涓巙buntu鏃犳硶閫氫俊<br><br>璁劇疆鏂規硶錛?br>vmware錛?br>edit-virtual network editor..|<br>閫夋嫨vmnet0,鍦ㄤ笅鏂歸夋嫨鎯寵緇戝畾鐨勭綉鍗★紝鑰屼笉鏄痑utobridge<br>鎷嶇収鐣欏康錛?br><img border=0 alt="" src="http://www.shnenglu.com/images/cppblog_com/dawnbreak/vmware_bridge_setting.JPG" width=594 height=499> <img src ="http://www.shnenglu.com/dawnbreak/aggbug/144611.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/dawnbreak/" target="_blank">pear_li</a> 2011-04-19 23:48 <a href="http://www.shnenglu.com/dawnbreak/archive/2011/04/19/144611.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>瀵繪壘k澶?/title><link>http://www.shnenglu.com/dawnbreak/archive/2011/03/10/141491.html</link><dc:creator>pear_li</dc:creator><author>pear_li</author><pubDate>Thu, 10 Mar 2011 04:38:00 GMT</pubDate><guid>http://www.shnenglu.com/dawnbreak/archive/2011/03/10/141491.html</guid><wfw:comment>http://www.shnenglu.com/dawnbreak/comments/141491.html</wfw:comment><comments>http://www.shnenglu.com/dawnbreak/archive/2011/03/10/141491.html#Feedback</comments><slash:comments>10</slash:comments><wfw:commentRss>http://www.shnenglu.com/dawnbreak/comments/commentRss/141491.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/dawnbreak/services/trackbacks/141491.html</trackback:ping><description><![CDATA[     鎽樿: 鑷繁鍐欑殑瀵繪壘鏁扮粍涓k澶у厓绱犵殑鍑芥暟錛岄噰鐢ㄤ簩鍒嗘煡鎵炬硶錛屽鉤鍧囨椂闂村鏉傚害O(logN)錛屾湁鏇村ソ鐨勬柟娉曟榪庢寚姝?<br> <br>  <a href='http://www.shnenglu.com/dawnbreak/archive/2011/03/10/141491.html'>闃呰鍏ㄦ枃</a><img src ="http://www.shnenglu.com/dawnbreak/aggbug/141491.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/dawnbreak/" target="_blank">pear_li</a> 2011-03-10 12:38 <a href="http://www.shnenglu.com/dawnbreak/archive/2011/03/10/141491.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>銆愮帇绔嬬兢璇誨彶璁般?-姹夋甯?/title><link>http://www.shnenglu.com/dawnbreak/archive/2010/10/20/130503.html</link><dc:creator>pear_li</dc:creator><author>pear_li</author><pubDate>Tue, 19 Oct 2010 16:12:00 GMT</pubDate><guid>http://www.shnenglu.com/dawnbreak/archive/2010/10/20/130503.html</guid><wfw:comment>http://www.shnenglu.com/dawnbreak/comments/130503.html</wfw:comment><comments>http://www.shnenglu.com/dawnbreak/archive/2010/10/20/130503.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/dawnbreak/comments/commentRss/130503.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/dawnbreak/services/trackbacks/130503.html</trackback:ping><description><![CDATA[   涓夌被浜?br>鍙悽紓ㄤ簨錛屼笉鐞㈢(浜?nbsp;     --鍏嬪繁濂夊叕錛屼簨涓氱涓錛岃兘鑷o紝閬繉錛屼笉寰楀杽緇?br>         濡傦細欖忛綈渚濠達紝鏉′警鍛ㄤ簹澶?br>鍙悽紓ㄤ漢錛屼笉鐞㈢(浜?nbsp;     --鍙負瀹樿繍浜ㄩ氾紝鏈夋椂涓嶆嫨鎵嬫錛屽彉鏁伴澶?br>         濡傦細涓炵浉鍏瓩寮橈紝璺蟲灝忎笐姹熷厖<br>鏃㈢悽紓ㄤ漢錛屽張鐞㈢(浜?nbsp;     --鑳芥垚澶т簨錛屽姛鎴愬悕灝憋紝鑳藉緱鍠勭粓<br>         濡傦細姹夋甯濆垬褰伙紝涓囨埛渚崼闈掞紝涓炵浉鍗瘓<br><br>浠峰間綋緋伙細蹇犺瘹錛屼粊寰鳳紝璋﹂婏紝璋ㄦ厧銆? <img src ="http://www.shnenglu.com/dawnbreak/aggbug/130503.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/dawnbreak/" target="_blank">pear_li</a> 2010-10-20 00:12 <a href="http://www.shnenglu.com/dawnbreak/archive/2010/10/20/130503.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>銆愭璇存竻鏈濆崄浜屽笣銆戝ぉ鍛芥睏鍔皵鍝堣丹http://www.shnenglu.com/dawnbreak/archive/2010/09/01/125568.htmlpear_lipear_liWed, 01 Sep 2010 14:51:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2010/09/01/125568.htmlhttp://www.shnenglu.com/dawnbreak/comments/125568.htmlhttp://www.shnenglu.com/dawnbreak/archive/2010/09/01/125568.html#Feedback0http://www.shnenglu.com/dawnbreak/comments/commentRss/125568.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/125568.html鍔皵鍝堣丹瀵瑰緟涓ゅ悕灝勪腑浠栫殑淇樿檹
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涓ゆ晫浜ら攱錛屽織鍦ㄥ彇鑳溿傚郊涓哄叾涓伙紝涔冨皠鎴戯紝浠婁負鎴戠敤錛屼笉鍙堜負鎴戞潃鏁岃訛紒濡傛鍕囨暍涔嬩漢錛岃嫢涓撮樀姝諱簬閿嬮暆錛岀姽灝嗘儨涔嬶紝濂堜綍浠ュ皠鎴戞晠鑰屾潃涔嬩箮錛?br>鍔皵鍝堣丹鍙互瀵瑰皠浼や粬鐨勪漢瀹藉厤錛岃凍浠ヨ〃鐜板叾瀹藉箍鐨勮兏瑗熴?br>
宸卞悎
鍔皵鍝堣丹瀵瑰緟鍑哄皵鍙嶅皵鐨勫竷鎵彜錛屽ぇ灞涓洪噸錛屼互鍜屼負璐碉紝淇濇寔騫沖拰蹇冩侊紝濡ュ杽澶勭悊鍏崇郴銆?

pear_li 2010-09-01 22:51 鍙戣〃璇勮
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MSVC++ 瀵硅薄鍐呭瓨妯″瀷娣卞叆瑙f瀽涓庡叿浣撳簲鐢?(涓?http://www.shnenglu.com/dawnbreak/archive/2010/06/05/117144.htmlpear_lipear_liSat, 05 Jun 2010 06:13:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2010/06/05/117144.htmlhttp://www.shnenglu.com/dawnbreak/comments/117144.htmlhttp://www.shnenglu.com/dawnbreak/archive/2010/06/05/117144.html#Feedback0http://www.shnenglu.com/dawnbreak/comments/commentRss/117144.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/117144.html闃呰鍏ㄦ枃

pear_li 2010-06-05 14:13 鍙戣〃璇勮
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瑙hIEEE鏍囧噯754錛氭誕鐐規暟琛ㄧずhttp://www.shnenglu.com/dawnbreak/archive/2009/10/11/98333.htmlpear_lipear_liSun, 11 Oct 2009 15:46:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2009/10/11/98333.htmlhttp://www.shnenglu.com/dawnbreak/comments/98333.htmlhttp://www.shnenglu.com/dawnbreak/archive/2009/10/11/98333.html#Feedback0http://www.shnenglu.com/dawnbreak/comments/commentRss/98333.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/98333.html 涓銆佽儗鏅?/font>
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涓夈佹誕鐐規暟鏍煎紡

銆銆IEEE鏍囧噯754瑙勫畾浜嗕笁縐嶆誕鐐規暟鏍煎紡錛氬崟綺懼害銆佸弻綺懼害銆佹墿灞曠簿搴︺傚墠涓よ呮濂藉搴?span class=t_tag onclick=tagshow(event) href="tag.php?name=C%E8%AF%AD%E8%A8%80">C璇█閲屽ご鐨刦loat銆乨ouble鎴栬匜ORTRAN閲屽ご鐨剅eal銆乨ouble綺懼害綾誨瀷銆傞檺浜庣瘒騫咃紝鏈枃浠呬粙緇嶅崟綺懼害銆佸弻綺懼害嫻偣鏍煎紡銆?br>銆銆鈽?鍗曠簿搴?N鍏?2浣嶏紝鍏朵腑S鍗?浣嶏紝E鍗?浣嶏紝M鍗?3浣嶃?img id=img_0.34765354359280337 alt="" src="http://www.cublog.cn/u/20985/photo/060622140125.png" width=430 height=157>
銆銆鈽?鍙岀簿搴?N鍏?4浣嶏紝鍏朵腑S鍗?浣嶏紝E鍗?1浣嶏紝M鍗?2浣嶃?br>


      鍊煎緱娉ㄦ剰鐨勬槸錛孧铏界劧鏄?3浣嶆垨鑰?2浣嶏紝浣嗗畠浠彧鏄〃紺哄皬鏁扮偣涔嬪悗鐨勪簩榪涘埗浣嶆暟錛屼篃灝辨槸璇達紝鍋囧畾M涓?#8220;010110011...”,鍦ㄤ簩榪涘埗鏁板間笂鍏跺疄鏄?#8220;.010110011...”銆傝屼簨瀹炰笂錛屾爣鍑嗚瀹氬皬鏁扮偣宸﹁竟榪樻湁涓涓殣鍚綅錛岃繖涓殣鍚綅閫氬父錛屽摝涓嶏紝搴旇璇寸粷澶у鏁版儏鍐典笅鏄?錛岄偅浠涔堟儏鍐典笅鏄?鍛紵絳旀鏄疦瀵瑰簲鐨刵闈炲父灝忕殑鏃跺欙紝姣斿灝忎簬2^(-126)(32浣嶅崟綺懼害嫻偣鏁?銆備笉瑕佸洶鎯戞庝箞璁$畻鍑烘潵鐨勶紝鐪嬪埌鍚庨潰浣犲氨浼氭槑鐧姐傛諱箣錛岄殣鍚綅綆楁槸璧氭潵浜嗕竴浣嶇簿搴?浜庢槸M瀵瑰簲鐨刴鏈鍚庣粨鏋滃彲鑳芥槸"m=1.010110011...”鎴栬?#8220;m=0.010110011...”

鍥涖佽綆梕銆乵
銆銆棣栧厛灝嗘彁鍒頒護鍒濆鑰?/span>澶寸柤鐨?#8220;瑙勬牸鍖?normalized)”銆?#8220;闈炶鏍煎寲(denormalized)”銆傚櫌錛屽叾瀹炲茍娌℃湁榪欎箞闅劇殑錛岃窡鎴戞潵錛佹帉鎻″畠浠ュ悗浣犱細鍙戠幇涓鍒囬兘寰堜紭闆?鏇寸編濡欑殑鏄紝瑙勬牸鍖栥侀潪瑙勬牸鍖栨湰韜殑姒傚康鍑犱箮涓嶆庝箞閲嶈銆傝鐗㈣榪欏彞璇濓細瑙勬牸鍖栦笌鍚﹀叏鐪嬫寚鏁癊錛?/font>
銆銆涓嬮潰鍒嗕笁縐嶆儏鍐佃璁篍錛屽茍鍒嗗埆璁$畻e鍜宮:
銆銆
銆銆1銆佽鏍煎寲錛氬綋E鐨勪簩榪涘埗浣嶄笉鍏ㄤ負0,涔熶笉鍏ㄤ負1鏃訛紝N涓鴻鏍煎寲褰㈠紡銆?/font>姝ゆ椂e琚В閲婁負琛ㄧず鍋忕疆錛坆iased錛夊艦寮忕殑鏁存暟,e鍊艱綆楀叕寮忓涓嬪浘鎵紺猴細

銆銆涓婂浘涓紝|E|琛ㄧずE鐨勪簩榪涘埗搴忓垪琛ㄧず鐨勬暣鏁板?渚嬪E涓?10000100",鍒檤E|=132,e=132-127=5 銆?k鍒欒〃紺篍鐨勪綅鏁幫紝瀵瑰崟綺懼害鏉ヨ錛宬=8,鍒檅ias=127錛屽鍙岀簿搴︽潵璇達紝k=11,鍒檅ias=1023銆?br>銆銆姝ゆ椂m鐨勮綆楀叕寮忓涓嬪浘鎵紺猴細
銆銆

銆銆鏍囧噯瑙勫畾姝ゆ椂灝忔暟鐐瑰乏渚х殑闅愬惈浣嶄負1,閭d箞m=|1.M|銆傚M="101"錛屽垯|1.M|=|1.101|=1.625,鍗?m=1.625

銆銆2銆侀潪瑙勬牸鍖栵細褰揈鐨勪簩榪涘埗浣嶅叏閮ㄤ負0鏃訛紝N涓洪潪瑙勬牸鍖栧艦寮忋?/font>姝ゆ椂e錛宮鐨勮綆楅兘闈炲父綆鍗曘?br>

銆銆娉ㄦ剰錛屾鏃跺皬鏁扮偣宸︿晶鐨勯殣鍚綅涓?銆?涓轟粈涔坋浼氱瓑浜?1-bias)鑰屼笉鏄?-bias)錛岃繖涓昏鏄負瑙勬牸鍖栨暟鍊箋侀潪瑙勬牸鍖栨暟鍊間箣闂寸殑騫蟲粦榪囨浮璁捐鐨勩傚悗鏂囨垜浠繕浼氱戶緇璁恒?br>銆銆鏈変簡闈炶鏍煎寲褰㈠紡錛屾垜浠氨鍙互琛ㄧず0浜嗐傛妸絎﹀彿浣峉鍊?,鍏朵綑鎵鏈変綅鍧囩疆0鍚庯紝鎴戜滑寰楀埌浜?-0.0; 鍚岀悊錛屾妸鎵鏈変綅鍧囩疆0,鍒欏緱鍒?0.0銆傞潪瑙勬牸鍖栨暟榪樻湁鍏朵粬鐢ㄩ旓紝姣斿琛ㄧず闈炲父鎺ヨ繎0鐨勫皬鏁幫紝鑰屼笖榪欎簺灝忔暟鍧囧寑鍦版帴榪?,縐頒負“閫愭笎涓嬫孩(graduallyunderflow)”灞炴с?br>銆銆
銆銆3銆佺壒孌婃暟鍊鹼細 褰揈鐨勪簩榪涘埗浣嶅叏涓?鏃朵負鐗規畩鏁板箋?/font>姝ゆ椂錛岃嫢M鐨勪簩榪涘埗浣嶅叏涓?錛屽垯n琛ㄧず鏃犵┓澶э紝鑻涓?鍒欎負璐熸棤絀峰ぇ錛岃嫢S涓?鍒欎負姝f棤絀峰ぇ; 鑻鐨勪簩榪涘埗浣嶄笉鍏ㄤ負0鏃訛紝琛ㄧずNaN(Not a Number)錛岃〃紺鴻繖涓嶆槸涓涓悎娉曞疄鏁版垨鏃犵┓錛屾垨鑰呰鏁版湭緇忓垵濮嬪寲銆?br>銆銆
浜斻佽寖渚?/font>
銆銆浠旂粏鐮旇絎洓鐐瑰悗錛屽啀鍥炲繂涓涓?font color=#0000ff>鏂囩珷寮澶磋綆梟鐨勫叕寮?/font>錛屼綘搴旇鍐欏嚭涓涓誕鐐圭紪鐮佺殑瀹為檯鍊糿浜嗗惂錛熻繕涓嶈兘鍚楋紵涓嶆ワ紝鎴戝厛緇欎綘紺鴻寖涓涓嬨傛垜浠亣瀹歂鏄竴涓?浣嶆誕鐐規暟錛屽叾涓紝S鍗?浣嶏紝E鍗?浣嶏紝M鍗?浣嶃備笅闈㈣繖寮犺〃緗楀垪浜哊鍙兘鐨勬鏁板艦寮忥紝涔熷寘鍚簡e銆乵絳夊鹼紝璇蜂綘瀵圭収鐫榪欏紶琛紝閲嶆俯涓涓嬬鍥涚偣錛屼綘浼氭參鎱㈡槑鐧界殑銆傝瀹炲湪鐨勶紝榪欏紶琛ㄨ姳浜嗘垜涓嶅皯鍔熷か鍛?騫稿ソTeX鐢昏〃鏍艱繕綆楃渷浜嬶紒銆
銆銆

銆銆榪欏紶琛ㄩ噷澶存湁寰堝鏈夎叮鐨勫湴鏂癸紝鎴戞彁閱掍竴涓嬶細
銆銆鈽?鐪?N 鍒楋紝浠庝笂鍒頒笅錛屼簩榪涘埗浣嶈〃紺烘槸鍧囧寑閫掑鐨勶紝涓斿閲忛兘鏄竴涓渶灝忎簩榪涘埗浣嶃傝繖涓嶆槸鍋剁劧錛屾鏄閥濡欒璁$殑緇撴灉銆傝瀵熸渶澶х殑闈炶鏍兼暟錛屽彂鐜版伆濂藉氨鏄疢鍏ㄤ負1, E鍏ㄤ負0鐨勬儏鍐點備簬鏄垜浠眰鍑烘渶澶х殑闈炶鏍兼暟涓猴細

銆銆涓婇潰鐨勫叕寮忎腑錛宧涓篗鐨勪綅鏁?濡傝寖渚嬩腑涓?)銆傛敞鎰忥紝鍏紡絳夊彿鍙寵竟鐨勭涓欏瑰悓鏃跺張鏄渶灝忚鏍兼暟鐨勫鹼紙濡傝寖渚嬩腑涓?8/512 錛?絎簩欏瑰垯姝f槸鏈灝忛潪瑙勬牸鏁扮殑鍊?濡傝寖渚嬩腑涓?/512)鍗寵嫻偣鏁拌兘琛ㄧず鐨勬渶灝忔鏁般?
銆銆鈽?鐪?m 鍒楋紝瑙勬牸鍖栨暟閮芥槸 1+ x 鐨勫艦寮忥紝榪欎釜1姝f槸闅愬惈浣?; 鑰岄潪瑙勬牸鍖栨暟闅愬惈浣嶄負0, 鎵浠ユ病鏈?"1+" 銆?br>銆銆鈽?鐪?n 鍒楋紝闈炶鏍煎寲鏁頒粠涓婂埌涓嬬殑澧為噺閮芥槸 1/512,涓旇繃娓″埌瑙勬牸鍖栨暟鏃訛紝澧為噺鏄鉤婊戠殑錛屼緷鏃ф槸1/512銆傝繖姝f槸闈炶鏍煎寲鏁頒腑e絳変簬(1-bias)鑰屼笉鏄?-bias)鐨勭紭鏁咃紝涔熸槸宸у璁捐鐨勭粨鏋溿傚啀緇х畫寰涓嬬湅錛屽彂鐜板閲忓奸愭笎澧炲ぇ銆傚彲瑙侊紝嫻偣鏁扮殑鍙栧艱寖鍥翠笉鏄潎鍖鐨勩?br>銆銆
鍏佸疄鎴?/font>
銆銆鎴戜滑鐢ㄤ竴灝忔姹囩紪鏉ユ祴璇曚竴涓嬶紝嫻偣鏁板湪鍐呭瓨涓槸濡備綍琛ㄧず鐨勩傛祴璇?span class=t_tag onclick=tagshow(event) href="tag.php?name=%E7%8E%AF%E5%A2%83">鐜錛?GentooLinux2006.0/GNU assembler version 2.16.1/GNU gdb 6.4/AMD XP1600+銆?濡備笅鎵紺?br>浠g爜:

~/coding/assemble $  gdb float
GNU gdb 6.4
Copyright 2005 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) list
1 .section .data
2 f1:
3     .float  5
4 f2:
5     .float  0.1   
6 .section .text
7     .global _start
8 _start:
9     nop
10
(gdb) x/f &f1
0x80490a4 <f1>: 5
(gdb) x/xw &f1
0x80490a4 <f1>: 0x40a00000
(gdb) x/f &f2
0x80490a8 <f2>: 0.100000001
(gdb) x/xw &f2
0x80490a8 <f2>: 0x3dcccccd
(gdb)



銆銆浠庝笂闈㈢殑gdb鍛戒護緇撴灉鍙互鐪嬪嚭錛屾誕鐐規暟5琚〃紺轟負 0x40a00000錛屼簩榪涘埗褰㈠紡涓? 0100 0000 1010 0000 ... 0000 0000)銆傜孩鑹叉暟瀛椾負E錛屽彲浠ョ湅鍑簗E|=129>0, 鍒檈=129-bias=129-127=2 錛?钃濊壊鏁板瓧涓篗,涓攟E|>0錛岃鏄庢槸瑙勬牸鍖栨暟錛屽垯m=|1.M|=|1.01000..000|=1.25 ; 鐢眓鐨勮綆楀叕寮忓彲浠ユ眰寰?n=(-1)^0 *1.25 * 2^2 = 5錛?緇撴灉琚?span class=t_tag onclick=tagshow(event) href="tag.php?name=%E9%AA%8C%E8%AF%81">楠岃瘉浜嗐?
銆銆鍚屾牱錛屼綘涔熷彲浠ラ獙璇佷竴涓嬪崄榪涘埗嫻偣鏁?.1鐨勪簩榪涘埗褰㈠紡鏄惁姝g‘錛屼綘浼氬彂鐜幫紝0.1涓嶈兘琛ㄧず涓烘湁闄愪釜浜岃繘鍒朵綅錛屽洜姝ゅ湪鍐呭瓨涓殑琛ㄧず鏄垗鍏?rounding)浠ュ悗鐨勭粨鏋滐紝鍗?0x3dcccccd, 鍗佽繘鍒朵負0.100000001錛?璇樊0.000000001鐢辨浜х敓浜嗐?br>

pear_li 2009-10-11 23:46 鍙戣〃璇勮
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浠庡皬鍑芥暟瀹炵幇鐪嬪簲鑱樿呯殑緙栫▼绱犺川錛坅toi.strcmp...錛?/title><link>http://www.shnenglu.com/dawnbreak/archive/2009/08/24/94262.html</link><dc:creator>pear_li</dc:creator><author>pear_li</author><pubDate>Mon, 24 Aug 2009 07:17:00 GMT</pubDate><guid>http://www.shnenglu.com/dawnbreak/archive/2009/08/24/94262.html</guid><wfw:comment>http://www.shnenglu.com/dawnbreak/comments/94262.html</wfw:comment><comments>http://www.shnenglu.com/dawnbreak/archive/2009/08/24/94262.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/dawnbreak/comments/commentRss/94262.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/dawnbreak/services/trackbacks/94262.html</trackback:ping><description><![CDATA[     鎽樿:   <a href='http://www.shnenglu.com/dawnbreak/archive/2009/08/24/94262.html'>闃呰鍏ㄦ枃</a><img src ="http://www.shnenglu.com/dawnbreak/aggbug/94262.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/dawnbreak/" target="_blank">pear_li</a> 2009-08-24 15:17 <a href="http://www.shnenglu.com/dawnbreak/archive/2009/08/24/94262.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>鍚屾涓庡紓姝ヤ紶杈撳畾涔変笌鍖哄埆 http://www.shnenglu.com/dawnbreak/archive/2009/08/19/93834.htmlpear_lipear_liWed, 19 Aug 2009 08:00:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2009/08/19/93834.htmlhttp://www.shnenglu.com/dawnbreak/comments/93834.htmlhttp://www.shnenglu.com/dawnbreak/archive/2009/08/19/93834.html#Feedback1http://www.shnenglu.com/dawnbreak/comments/commentRss/93834.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/93834.html闃呰鍏ㄦ枃

pear_li 2009-08-19 16:00 鍙戣〃璇勮
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A*綆楁硶瀹炵幇http://www.shnenglu.com/dawnbreak/archive/2009/08/14/93351.htmlpear_lipear_liFri, 14 Aug 2009 09:43:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2009/08/14/93351.htmlhttp://www.shnenglu.com/dawnbreak/comments/93351.htmlhttp://www.shnenglu.com/dawnbreak/archive/2009/08/14/93351.html#Feedback1http://www.shnenglu.com/dawnbreak/comments/commentRss/93351.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/93351.html闃呰鍏ㄦ枃

pear_li 2009-08-14 17:43 鍙戣〃璇勮
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A* 錛堣礬寰勬悳绱級綆楁硶瀵煎紩 http://www.shnenglu.com/dawnbreak/archive/2009/08/13/93106.htmlpear_lipear_liThu, 13 Aug 2009 02:35:00 GMThttp://www.shnenglu.com/dawnbreak/archive/2009/08/13/93106.htmlhttp://www.shnenglu.com/dawnbreak/comments/93106.htmlhttp://www.shnenglu.com/dawnbreak/archive/2009/08/13/93106.html#Feedback6http://www.shnenglu.com/dawnbreak/comments/commentRss/93106.htmlhttp://www.shnenglu.com/dawnbreak/services/trackbacks/93106.html闃呰鍏ㄦ枃

pear_li 2009-08-13 10:35 鍙戣〃璇勮
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