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作者 VictorTom 在 PTT [ C_and_CPP ] 看板的留言(推文), 共10783則
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[問題] IEEE 754 轉換表示
[ C_and_CPP ]8 留言, 推噓總分: +2
作者: lovefo - 發表於 2012/04/18 00:14(14年前)
3FVictorTom:問題在於, 你的計算不夠精確, 你只計算了13位, 等於後面04/19 01:07
4FVictorTom:都被你捨棄了, 所以再最後做進捨位時就出現了誤差@_@"04/19 01:08
5FVictorTom:印象中需要算到滿足位數加兩位, 並記錄兩位以後是否還有04/19 01:10
6FVictorTom:值, 然後00, 01捨, 11入, 10(有剩值)也入, 10(後全0)為04/19 01:11
7FVictorTom:特別的偶成雙規則(至少小弟記得32bit float是這樣啦XD)04/19 01:12
8FVictorTom:仔細想, 多算一位, 但進捨位時把餘數一起考慮就好了Orz04/19 01:17
[問題] OpenGL或DirectX,3D加速支援?
[ C_and_CPP ]15 留言, 推噓總分: +2
作者: licheer - 發表於 2012/04/15 10:08(14年前)
9FVictorTom:印象中XP~Win7都只內建1.1的實作, 超過的都要靠顯卡廠的04/15 13:31
10FVictorTom:ICD; 關Aero才會正常跑GL應該是顯卡驅動的問題....@_@"04/15 13:32
11FVictorTom:關於GL的硬體加速, 在顯卡官方宣稱支援的GL版本與ext內,04/15 13:33
12FVictorTom:如果還有無法以全硬體實作的部份, 理論上驅動可以切進去04/15 13:34
13FVictorTom:軟體實作; 但是沒有宣稱有支援到的版本, 除了部份可能已04/15 13:35
14FVictorTom:實作的feature以ext的型式支援外, 就不太會轉軟體去做了04/15 13:36
Re: [問題] c和c++配置記憶體的差別
[ C_and_CPP ]40 留言, 推噓總分: +26
作者: purpose - 發表於 2012/04/11 02:19(14年前)
6FVictorTom:大推....Orz04/11 10:17
[問題] system("pause")突然不能用了
[ C_and_CPP ]25 留言, 推噓總分: +5
作者: school5566 - 發表於 2012/04/09 21:27(14年前)
15FVictorTom:推自己開個CMD, 然後去執行自己編出來的.exe檔....@_@"04/09 23:12
Re: [分享] Function vs Member Function Pointers
[ C_and_CPP ]4 留言, 推噓總分: +4
作者: purpose - 發表於 2012/04/09 01:45(14年前)
4FVictorTom:推:)04/09 09:45
[問題] bitwise與負數
[ C_and_CPP ]14 留言, 推噓總分: +8
作者: x000032001 - 發表於 2012/04/03 13:02(14年前)
11FVictorTom:推L大:)04/04 10:53
[問題] 傳值(址)問題?
[ C_and_CPP ]5 留言, 推噓總分: +1
作者: battle7 - 發表於 2012/04/03 01:57(14年前)
1FVictorTom:debugger開起來程式碼一行一行trace, 並且把每個當下用04/03 02:10
2FVictorTom:到的變數的值和位址都印出來看, 你就知道答案了....:)04/03 02:11
4FVictorTom:j大真是個好人....XD04/03 02:13
[問題] BCB release mode 中 code optimization
[ C_and_CPP ]6 留言, 推噓總分: +1
作者: nola3388 - 發表於 2012/04/02 15:10(14年前)
2FVictorTom:optimization開下去以後build出來的版本有run-time err,04/03 02:06
3FVictorTom:通常有一半以上的機會是code寫的有問題, 所以最佳化一開04/03 02:07
4FVictorTom:下去, 就把潛在的問題expose出來....@_@"04/03 02:07
Re: [問題] 一些關於數學的問題
[ C_and_CPP ]4 留言, 推噓總分: +3
作者: geniusturtle - 發表於 2012/04/01 16:49(14年前)
2FVictorTom:XDD04/01 17:31
Re: [問題] 求IRR解
[ C_and_CPP ]7 留言, 推噓總分: +5
作者: han0408 - 發表於 2012/04/01 16:21(14年前)
2FVictorTom:讚XD04/01 16:39