This file is indexed.

/usr/share/doc/opencl-1.2-html-doc/convert_T.html is in opencl-1.2-html-doc 1.0~svn27110-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
<!-- saved from url=(0013)about:internet -->
<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" xmlns:xlink="http://www.w3.org/1999/xlink" pref:renderer="mathplayer-dl">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <style xmlns="" type="text/css">
    /* This style sets a margin around the entire page */
        html, body {
            margin: 10px;
        }

        p {
            font: normal 16px verdana, sans-serif;
            margin: 0;
            padding-bottom:12px;
        }

        h1 {
            font: bold 25px verdana, sans-serif;
            margin-top: 0;
            margin-bottom: 3px;
            padding-top: 0;
            padding-bottom: 0;
        }

        h2 {
            font: bold 19px verdana, sans-serif;
            margin-top: 28px;
            margin-bottom: 3px;
            padding-top: 0; 
            padding-bottom: 0;
        }

        h3 {
            font: bold 19px verdana, sans-serif !important;
            margin-top: 28px;
            margin-bottom: 3px;
            padding-top: 0;
            padding-bottom: 0;
        }

        li {
            font: normal 16px verdana, sans-serif;
            margin-top: 0;
            margin-bottom: 18px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .pdparam {
            font: italic 16px verdana, sans-serif;
        }
		
		.term {
			font: italic 16px verdana, sans-serif;
			font-weight: normal;
		}	
		
		.type {
			font: normal 16px verdana, sans-serif !important;
		}			
		
		.parameter { 
			font-style: italic; 
			}

        a:link, a:visited {
            color: blue;
            text-decoration: none;
            font: normal 16px;
        }

        a:hover {
            background-color: #FFFF99;
            font: normal 16px;
        }

        div.funcsynopsis {
            text-align: left;
            background-color: #e6e6e6;
            font: normal 16px verdana, sans-serif;
			padding-top: 10px;
			padding-bottom: 10px;
        }

        div.funcsynopsis table {
            border-collapse: separate;
            font: normal 16px verdana, sans-serif;
        }

        div.funcsynopsis td {
            background-color: #e6e6e6;
            border: 0 solid #000;
            padding: 1px;
            font: normal 16px verdana, sans-serif;
        }

        div.refsect1 {
            font-family: verdana, sans-serif;
            font-size: 16px;
        }

        code.constant {
            font: normal 16px courier new, monospace !important;
        }
		
		span.errorname {
            font: normal 16px verdana, sans-serif !important;
        }

        code.function {
            font: bold 16px verdana, sans-serif !important;
        }
		
        b.fsfunc {
            font: bold 16px verdana, sans-serif !important;
        }
		
        code.varname {
            font: italic 16px verdana, sans-serif;
        }

        code.replaceable {
            font: italic 16px courier new, monospace;
        }

        code.funcdef {
            font: normal 16px verdana, sans-serif !important;
        }

        .citerefentry {
            font: normal 16px verdana, sans-serif !important;
        }

        .parameter {
            font-style: italic;
        }

        code.fsfunc {
            font: normal 16px verdana, sans-serif !important;
        }

        /* PARAMETER: This style controls spacing between the terms in Parameter section */
        dt {
            margin-top: 15px;
        }

        /* TABLES: These styles apply to all tables OTHER than the Synopsis and Example tables */
        div.refsect1 table {
            width: 100%;
			margin-top: 10px;
            background-color: #FFF;
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
			font: normal 16px verdana, sans-serif;
        }
		
        div.refsect1 th {
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
            font: bold 16px verdana, sans-serif;
        }
		
        div.refsect1 td {
            background-color: #FFF;
            padding: 5px;
            vertical-align: text-top;
			border-collapse: collapse;
			border-color: #000;
            border-width: 1px;
            font: normal 16px verdana, sans-serif;
        }
		
		  div.refsect1 p{
            font: normal 16px verdana, sans-serif;
            margin-top: 8px;
            margin-bottom: 8px;
            padding-top: 0;
            padding-bottom: 0;
        }
		

        /* EXAMPLE: These styles apply only to the Example section */
        div.refsect2 {
            font: normal 16px courier new, monospace !important;
        }

        div.refsect2 table {
            margin-top: 0;
            background-color: #e6e6e6;
            width: 100%;
            border: 0 solid #000;
            padding: 2px;
            font: normal 16px courier new, monospace !important;
        }

        div.refsect2 td {
            background-color: #e6e6e6;
            font: normal 16px courier new, monospace !important;
			white-space:pre;
        }

        /* COPYRIGHT: This style formats the text of the copyright statement at the bottom of the page */
        div.refsect3 {
            font: normal 11px verdana, sans-serif;
            margin-top: 50px;
            margin-bottom: 20px;
            padding-top: 0;
            padding-bottom: 0;
        }
					
</style>
    <title>Explicit conversions with convert_T()</title>
    <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" />
    <meta name="keywords" content="&#10;                Explicit conversions with convert_T()&#10;            " />
  </head>
  <body>
    <div class="refentry">
      <a id="idp28897532"></a>
      <div class="titlepage"></div>
      <div xmlns="" class="refnamediv">
        <a xmlns="http://www.w3.org/1999/xhtml" id="convert_T"></a>
        <h1>Explicit conversions with convert_T()</h1>
        <p>
            Explicit type conversions using convert_<code xmlns="http://www.w3.org/1999/xhtml" class="varname">T</code>()
        </p>
      </div>
      <div class="refsect2">
        <a id="synopsis"></a>
        <h3>
        </h3>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
convert_<em class="replaceable"><code>destType</code></em>(<em class="replaceable"><code>sourceType</code></em>)
<em class="replaceable"><code>destType</code></em> convert_<em class="replaceable"><code>destType</code></em>&lt;_sat&gt;&lt;<em class="replaceable"><code>roundingMode</code></em>&gt; (<em class="replaceable"><code>sourceType</code></em>)
<em class="replaceable"><code>destTypen</code></em> convert_<em class="replaceable"><code>destTypen</code></em>&lt;_sat&gt;&lt;<em class="replaceable"><code>roundingMode</code></em>&gt; (<em class="replaceable"><code>sourceType</code></em>)
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
          Explicit conversions may be performed using the <code class="code">convert_destType(sourceType)</code>
          suite of functions.  These provide a full set of type conversions between
          supported types (see <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data
          Types</span></span></a>) except for the following types:
          <span class="type">bool</span>, <span class="type">half</span>, <span class="type">size_t</span>, <span class="type">ptrdiff_t</span>,
          <span class="type">intptr_t</span>, <span class="type">uintptr_t</span>, and  <span class="type">void</span>.
        </p>
        <p>
           The number of elements in the source and destination vectors must match.
        </p>
        <p>
          The behavior of the conversion may be modified by one or two optional modifiers that
          specify saturation for out-of-range inputs and rounding behavior.
        </p>
        <p>
          The full form of the scalar convert function is:
          </p>
        <div class="literallayout">
          <p>          <code class="code"><em class="replaceable"><code>destType</code></em><br />
          convert_<em class="replaceable"><code>destType</code></em>&lt;_sat&gt;&lt;<em class="replaceable"><code>_roundingMode</code></em>&gt;(<em class="replaceable"><code>sourceType</code></em>)</code></p>
        </div>
        <p>
        </p>
        <p>
          The full form of the vector convert function is:
          </p>
        <div class="literallayout">
          <p>          <code class="code"><em class="replaceable"><code>destTypen</code></em><br />
          convert_<em class="replaceable"><code>destTypen</code></em>&lt;_sat&gt;&lt;<em class="replaceable"><code>_roundingMode</code></em>&gt;(<em class="replaceable"><code>sourceTypen</code></em>)</code></p>
        </div>
        <p>
        </p>
        <h4><a id="idp34566020"></a>Data Types</h4>
        <p>
          Conversions are available for the following scalar types:  <span class="type">char</span>,
          <span class="type">uchar</span>, <span class="type">short</span>, <span class="type">ushort</span>, <span class="type">int</span>,
          <span class="type">uint</span>, <span class="type">long</span>, <span class="type">ulong</span>, <span class="type">float</span>, and
          built-in vector types derived therefrom. The operand and result type must have the
          same number of elements. The operand and result type may be the same type in which
          case the conversion has no effect on the type or value of an expression.
        </p>
        <p>
          Conversions between integer types follow the conversion rules specified in sections
          6.3.1.1 and 6.3.1.3 of the C99 specification except for out-of-range behavior and
          saturated conversions which are described in section 6.2.3.3 below.
        </p>
        <h4><a id="idp34280428"></a>Rounding Modes</h4>
        <p>
          Conversions to and from floating-point type shall conform to IEEE-754 rounding rules.
          Conversions may have an optional rounding mode modifier described in the table below.
        </p>
        <p>
            </p>
        <div class="informaltable">
          <table border="1">
            <colgroup>
              <col align="left" class="col1" />
              <col align="left" class="col2" />
            </colgroup>
            <thead>
              <tr>
                <th align="left">Modifier</th>
                <th align="left">Rounding Mode Description</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td align="left">
                  <p>
                    <code class="code">_rte</code>
                  </p>
                </td>
                <td align="left">
                  <p>Round to nearest even</p>
                </td>
              </tr>
              <tr>
                <td align="left">
                  <p>
                    <code class="code">_rtz</code>
                  </p>
                </td>
                <td align="left">
                  <p>Round towards zero</p>
                </td>
              </tr>
              <tr>
                <td align="left">
                  <p>
                    <code class="code">_rtp</code>
                  </p>
                </td>
                <td align="left">
                  <p>Round toward positive infinity</p>
                </td>
              </tr>
              <tr>
                <td align="left">
                  <p>
                    <code class="code">_rtn</code>
                  </p>
                </td>
                <td align="left">
                  <p>Round toward negative infinity</p>
                </td>
              </tr>
              <tr>
                <td align="left">
                  <p>no modifier specified</p>
                </td>
                <td align="left">
                                <p>
                                  Use the default rounding mode for this destination type,
                                  <code class="code">_rtz</code> for conversion to integers or the default
                                  rounding mode for conversion to floating-point types.
                                </p>
                            </td>
              </tr>
            </tbody>
          </table>
        </div>
        <p>
        </p>
        <p>
          By default, conversions to integer type use the <code class="code">_rtz</code> (round toward zero)
          rounding mode and conversions to floating-point type use the default rounding mode. The
          only default floating-point rounding mode supported is round to nearest even, i.e
          the default rounding mode will be <code class="code">_rte</code> for floating-point types.
        </p>
        <p>
          For conversions to floating-point format, when a finite source value exceeds the
          maximum representable finite floating-point destination value, the rounding mode will
          affect whether the result is the maximum finite floating point value or infinity of
          same sign as the source value, per IEEE-754 rules for rounding.
        </p>
        <p>
            </p>
        <h4><a id="idp33896284"></a>Out-of-Range Behavior and Saturated Conversions</h4>
        <p>
        </p>
        <p>
          When the conversion operand is either greater than the greatest representable
          destination value or less than the least representable destination value, it is
          said to be out-of-range. The result of out-of-range conversion is determined by the
          conversion rules specified by the C99 specification in section 6.3.  When converting
          from a floating-point type to integer type, the behavior is implementation-defined.
        </p>
        <p>
          Conversions to integer type may opt to convert using the optional saturated mode by
          appending the <code class="code">_sat</code> modifier to the conversion function name. When in
          saturated mode, values that are outside the representable range shall clamp to the
          nearest representable value in the destination format. (NaN should be converted to 0).
        </p>
        <p>
          Conversions to floating-point type shall conform to IEEE-754 rounding rules. The
          <code class="code">_sat</code> modifier may not be used for conversions to floating-point formats.
        </p>
      </div>
      <div class="refsect2">
        <a id="example0"></a>
        <h3>
Examples
        </h3>
        <p>
          In the following example, <code class="function">convert_int4</code> converts a
          <span class="type">uchar4</span> vector <code class="code">u</code> to an <span class="type">int4</span> vector <code class="code">c</code>:
        </p>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
uchar4 u;
int4   c = convert_int4(u);
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
        <p>
          In the following example, <code class="function">convert_int</code> converts a float scalar
          <code class="code">f</code> to an int scalar <code class="code">i</code>:
        </p>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
float   f;
int    i = convert_int(f);
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect2">
        <a id="example1"></a>
        <h3>
        </h3>
        <p>
            Example:
        </p>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
short4  s;

// negative values clamped to 0
ushort4 u = convert_ushort4_sat( s );

// values &gt; CHAR_MAX converted to CHAR_MAX
// values &lt; CHAR_MIN converted to CHAR_MIN
char4 c = convert_char4_sat( s );
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect2">
        <a id="example2"></a>
        <h3>
        </h3>
        <p>
            Example:
        </p>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
float4 f;

// values implementation defined for
// f &gt; INT_MAX, f &lt; INT_MIN or NaN
int4   i = convert_int4( f );

// values &gt; INT_MAX clamp to INT_MAX, values &lt; INT_MIN clamp
// to INT_MIN. NaN should produce 0.

// The _rtz rounding mode is
// used to produce the integer values.
int4   i2 = convert_int4_sat( f );

// similar to convert_int4, except that
// floating-point values are rounded to the nearest
// integer instead of truncated
int4   i3 = convert_int4_rte( f );

// similar to convert_int4_sat, except that
// floating-point values are rounded to the
// nearest integer instead of truncated
int4   i4 = convert_int4_sat_rte( f );
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect2">
        <a id="example3"></a>
        <h3>
        </h3>
        <p>
            Example:
        </p>
        <div class="informaltable">
          <table border="0">
            <colgroup>
              <col align="left" class="col1" />
            </colgroup>
            <tbody>
              <tr>
                <td align="left">
int4   i;

// convert ints to floats using the default rounding mode.
float4 f = convert_float4( i );

// convert ints to floats. integer values that cannot
// be exactly represented as floats should round up to the
// next representable float.
float4 f = convert_float4_rtp( i );
                        </td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="refsect1">
        <a id="specification"></a>
        <h2>Specification</h2>
        <p>
            <img src="pdficon_small1.gif" />

            <a href="http://www.khronos.org/registry/cl/specs/opencl-1.2.pdf#page=207" target="OpenCL Spec">OpenCL Specification</a>
        </p>
      </div>
      <div class="refsect1">
        <a id="seealso"></a>
        <h2>Also see</h2>
        <p>
            <a class="citerefentry" href="scalarDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Scalar Data Types</span></span></a>,
            <a class="citerefentry" href="vectorDataTypes.html"><span class="citerefentry"><span class="refentrytitle">Vector Data Types</span></span></a>
        </p>
      </div>
      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2011 The Khronos Group Inc. 
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and/or associated documentation files (the
"Materials"), to deal in the Materials without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Materials, and to
permit persons to whom the Materials are furnished to do so, subject to
the condition that this copyright notice and permission notice shall be included
in all copies or substantial portions of the Materials. 
</div>
    </div>
  </body>
</html>