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ZealOS/docs/Demo/SortFileDemo/F64FileSort.CC.html
TomAwezome 923b700822 Change DVDImageWrite to use single buffer. 
Add CAtapiWriteCmd for AHCIAtapiBlksWrite.
Remove AHCIAtapiSeek and AHCIAtapiFormat.
2021-08-15 02:23:46 -04:00

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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
<meta name="generator" content="ZealOS V0.16">
<style type="text/css">
body {background-color:#fef1f0;}
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</style>
</head>
<body>
<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF2>//This takes an input file of doubles and makes a sorted output file.</span><span class=cF0>
<a name="l2"></a>
<a name="l3"></a></span><span class=cF5>Cd</span><span class=cF0>(</span><span class=cF3>__DIR__</span><span class=cF0>);;
<a name="l4"></a>
<a name="l5"></a></span><span class=cF9>I64</span><span class=cF0> Compare(</span><span class=cF1>F64</span><span class=cF0> e1, </span><span class=cF1>F64</span><span class=cF0> e2)
<a name="l6"></a>{
<a name="l7"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>Sign</span><span class=cF0>(e1 - e2);
<a name="l8"></a>}
<a name="l9"></a>
<a name="l10"></a></span><span class=cF1>U0</span><span class=cF0> F64FileSortTXT(</span><span class=cF1>U8</span><span class=cF0> *in_name,</span><span class=cF1>U8</span><span class=cF0> *out_name)
<a name="l11"></a>{
<a name="l12"></a> </span><span class=cF9>CCompCtrl</span><span class=cF0> *cc;
<a name="l13"></a> </span><span class=cF9>I64</span><span class=cF0> i, n;
<a name="l14"></a> </span><span class=cF1>F64</span><span class=cF0> *a;
<a name="l15"></a> </span><span class=cF9>CDoc</span><span class=cF0> *doc;
<a name="l16"></a>
<a name="l17"></a> </span><span class=cF2>//Pass1: Count the number of F64s.</span><span class=cF0>
<a name="l18"></a> n = </span><span class=cFE>0</span><span class=cF0>;
<a name="l19"></a> cc = </span><span class=cF5>CompCtrlNew</span><span class=cF0>(</span><span class=cF5>MStrPrint</span><span class=cF7>(</span><span class=cF6>&quot;#include \&quot;%s\&quot;&quot;</span><span class=cF0>, in_name</span><span class=cF7>)</span><span class=cF0>);
<a name="l20"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>Lex</span><span class=cF7>(</span><span class=cF0>cc</span><span class=cF7>)</span><span class=cF0>)
<a name="l21"></a> </span><span class=cF1>if</span><span class=cF0> (cc-&gt;token == </span><span class=cF3>TK_F64</span><span class=cF0>)
<a name="l22"></a> n++;
<a name="l23"></a> </span><span class=cF5>CompCtrlDel</span><span class=cF0>(cc);
<a name="l24"></a>
<a name="l25"></a> a = </span><span class=cF5>MAlloc</span><span class=cF0>(n * </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF1>F64</span><span class=cF7>)</span><span class=cF0>);
<a name="l26"></a>
<a name="l27"></a> </span><span class=cF2>//Pass2: Read F64s.</span><span class=cF0>
<a name="l28"></a> i = </span><span class=cFE>0</span><span class=cF0>;
<a name="l29"></a> cc = </span><span class=cF5>CompCtrlNew</span><span class=cF0>(</span><span class=cF5>MStrPrint</span><span class=cF7>(</span><span class=cF6>&quot;#include \&quot;%s\&quot;&quot;</span><span class=cF0>, in_name</span><span class=cF7>)</span><span class=cF0>);
<a name="l30"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>Lex</span><span class=cF7>(</span><span class=cF0>cc</span><span class=cF7>)</span><span class=cF0>)
<a name="l31"></a> </span><span class=cF1>if</span><span class=cF0> (cc-&gt;token == </span><span class=cF3>TK_F64</span><span class=cF0>)
<a name="l32"></a> a[i++] = cc-&gt;cur_f64;
<a name="l33"></a> </span><span class=cF5>CompCtrlDel</span><span class=cF0>(cc);
<a name="l34"></a>
<a name="l35"></a> </span><span class=cF5>QuickSortI64</span><span class=cF0>(a, n, &amp;Compare); </span><span class=cF2>//Sort 64-bit sized values</span><span class=cF0>
<a name="l36"></a>
<a name="l37"></a> </span><span class=cF2>//Save</span><span class=cF0>
<a name="l38"></a> doc = </span><span class=cF5>DocNew</span><span class=cF0>(out_name);
<a name="l39"></a> </span><span class=cF5>DocPrint</span><span class=cF0>(doc, </span><span class=cF6>&quot;//This is sorted.\n&quot;</span><span class=cF0>);
<a name="l40"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; n; i++)
<a name="l41"></a> </span><span class=cF5>DocPrint</span><span class=cF0>(doc, </span><span class=cF6>&quot;%12.6f\n&quot;</span><span class=cF0>, a[i]);
<a name="l42"></a> </span><span class=cF5>DocWrite</span><span class=cF0>(doc);
<a name="l43"></a> </span><span class=cF5>DocDel</span><span class=cF0>(doc);
<a name="l44"></a>
<a name="l45"></a> </span><span class=cF5>Free</span><span class=cF0>(a);
<a name="l46"></a>}
<a name="l47"></a>F64FileSortTXT(</span><span class=cF6>&quot;~/DemoUnsortedF64.DD&quot;</span><span class=cF0>, </span><span class=cF6>&quot;~/DemoSortedF64.DD&quot;</span><span class=cF0>);
<a name="l48"></a></span><span class=cF5>Type</span><span class=cF0>(</span><span class=cF6>&quot;~/DemoUnsortedF64.DD&quot;</span><span class=cF0>);
<a name="l49"></a></span><span class=cF5>Type</span><span class=cF0>(</span><span class=cF6>&quot;~/DemoSortedF64.DD&quot;</span><span class=cF0>);
<a name="l50"></a>
<a name="l51"></a></span><span class=cF1>U0</span><span class=cF0> F64FileSortDAT(</span><span class=cF1>U8</span><span class=cF0> *in_name, </span><span class=cF1>U8</span><span class=cF0> *out_name)
<a name="l52"></a>{</span><span class=cF2>//</span><span class=cF4><u>File/CFile</u></span><span class=cF2>, </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Disk/DataBase.CC.html#l1"><span class=cF4>::/Demo/Disk/DataBase.CC</span></a><span class=cF0>
<a name="l53"></a> </span><span class=cF9>I64</span><span class=cF0> size;
<a name="l54"></a> </span><span class=cF1>F64</span><span class=cF0> *a = </span><span class=cF5>FileRead</span><span class=cF0>(in_name, &amp;size);
<a name="l55"></a>
<a name="l56"></a> </span><span class=cF5>QuickSortI64</span><span class=cF0>(a,size / </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF1>F64</span><span class=cF7>)</span><span class=cF0>, &amp;Compare); </span><span class=cF2>//Sort 64-bit sized values</span><span class=cF0>
<a name="l57"></a> </span><span class=cF5>FileWrite</span><span class=cF0>(out_name, a, size);
<a name="l58"></a> </span><span class=cF5>Free</span><span class=cF0>(a);
<a name="l59"></a>}
<a name="l60"></a>F64FileSortDAT(</span><span class=cF6>&quot;~/DemoUnsortedF64.DATA&quot;</span><span class=cF0>, </span><span class=cF6>&quot;~/DemoSortedF64.DATA&quot;</span><span class=cF0>);
<a name="l61"></a>
<a name="l62"></a></span><span class=cF1>U0</span><span class=cF0> F64FileDumpDAT(</span><span class=cF1>U8</span><span class=cF0> *in_name)
<a name="l63"></a>{</span><span class=cF2>//</span><span class=cF4><u>File/CFile</u></span><span class=cF2>, </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Disk/DataBase.CC.html#l1"><span class=cF4>::/Demo/Disk/DataBase.CC</span></a><span class=cF0>
<a name="l64"></a> </span><span class=cF9>I64</span><span class=cF0> i, n, size;
<a name="l65"></a> </span><span class=cF1>F64</span><span class=cF0> *a = </span><span class=cF5>FileRead</span><span class=cF0>(in_name, &amp;size);
<a name="l66"></a>
<a name="l67"></a> n = size / </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF1>F64</span><span class=cF0>);
<a name="l68"></a> </span><span class=cF6>&quot;%s\n&quot;</span><span class=cF0>, in_name;
<a name="l69"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; n; i++)
<a name="l70"></a> </span><span class=cF6>&quot;%12.6f\n&quot;</span><span class=cF0>, a[i];
<a name="l71"></a> </span><span class=cF5>Free</span><span class=cF0>(a);
<a name="l72"></a>}
<a name="l73"></a>F64FileDumpDAT(</span><span class=cF6>&quot;~/DemoUnsortedF64.DATA&quot;</span><span class=cF0>);
<a name="l74"></a>F64FileDumpDAT(</span><span class=cF6>&quot;~/DemoSortedF64.DATA&quot;</span><span class=cF0>);
</span></pre></body>
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