https://wiki.shelek.ru/index.php?action=history&feed=atom&title=FAQ%3AANSI_CPP%3A%D0%B7%D0%B0%D0%B4%D0%B0%D1%82%D1%8C_%D0%B7%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D1%8B_%D0%B2_%D0%B4%D0%B2%D0%BE%D0%B8%D1%87%D0%BD%D0%BE%D0%BC_%D0%BF%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B8 FAQ:ANSI CPP:задать значение константы в двоичном представлении - История изменений 2026-05-27T00:18:29Z История изменений этой страницы в вики MediaWiki 1.25.1 https://wiki.shelek.ru/index.php?title=FAQ:ANSI_CPP:%D0%B7%D0%B0%D0%B4%D0%B0%D1%82%D1%8C_%D0%B7%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D1%8B_%D0%B2_%D0%B4%D0%B2%D0%BE%D0%B8%D1%87%D0%BD%D0%BE%D0%BC_%D0%BF%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B8&diff=289&oldid=prev RXL: /* Как задать значение константы в двоичном представлении (т.е. единицами и нулями в виде битового поля)? */ 2008-07-29T21:58:18Z <p>‎<span dir="auto"><span class="autocomment">Как задать значение константы в двоичном представлении (т.е. единицами и нулями в виде битового поля)?</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Версия 21:58, 29 июля 2008</td> </tr><tr><td colspan="2" class="diff-lineno" id="L2" >Строка 2:</td> <td colspan="2" class="diff-lineno">Строка 2:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Мможно использовать макросы. Например:</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Мможно использовать макросы. Например:</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;<del class="diffchange diffchange-inline">pre</del>&gt;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;<ins class="diffchange diffchange-inline">syntaxhighlight lang=&quot;cpp&quot;</ins>&gt;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// МАКРОСЫ ДЛЯ ДВОИЧНЫХ ЧИСЕЛ</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// МАКРОСЫ ДЛЯ ДВОИЧНЫХ ЧИСЕЛ</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-lineno" id="L29" >Строка 29:</td> <td colspan="2" class="diff-lineno">Строка 29:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>dwd = __b32(0x0101010110110011, 0x0101111011010001); // 0x55B35ED1</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>dwd = __b32(0x0101010110110011, 0x0101111011010001); // 0x55B35ED1</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>dwd = __b32(0x1000101110101010, 0x11010101); // 0x8BAA00D5</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>dwd = __b32(0x1000101110101010, 0x11010101); // 0x8BAA00D5</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&lt;/<del class="diffchange diffchange-inline">pre</del>&gt;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;/<ins class="diffchange diffchange-inline">syntaxhighlight</ins>&gt;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ:ANSI CPP]]</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ:ANSI CPP]]</div></td></tr> </table> RXL https://wiki.shelek.ru/index.php?title=FAQ:ANSI_CPP:%D0%B7%D0%B0%D0%B4%D0%B0%D1%82%D1%8C_%D0%B7%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D1%8B_%D0%B2_%D0%B4%D0%B2%D0%BE%D0%B8%D1%87%D0%BD%D0%BE%D0%BC_%D0%BF%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B8&diff=184&oldid=prev RXL: Правка текста. 2008-07-28T19:08:40Z <p>Правка текста.</p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Версия 19:08, 28 июля 2008</td> </tr><tr><td colspan="2" class="diff-lineno" id="L13" >Строка 13:</td> <td colspan="2" class="diff-lineno">Строка 13:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// слово</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// слово</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#define __b16(b16) ((WORD)((_b8(((unsigned __int64)b16) &gt;&gt; 32) &lt;&lt; 8)|(_b8(b16))))</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#define __b16(b16) ((WORD)((_b8(((unsigned __int64)b16) &gt;&gt; 32) &lt;&lt; 8)|(_b8(b16))))</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// двойное слово</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// двойное слово</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>#define __b32(b16H, b16L) ((DWORD)(((__b16(b16H)) &lt;&lt; 16)|(__b16(b16L))))</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>#define __b32(b16H, b16L) ((DWORD)(((__b16(b16H)) &lt;&lt; 16)|(__b16(b16L))))</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// пример:</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>// пример:</div></td></tr> </table> RXL https://wiki.shelek.ru/index.php?title=FAQ:ANSI_CPP:%D0%B7%D0%B0%D0%B4%D0%B0%D1%82%D1%8C_%D0%B7%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5_%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D1%8B_%D0%B2_%D0%B4%D0%B2%D0%BE%D0%B8%D1%87%D0%BD%D0%BE%D0%BC_%D0%BF%D1%80%D0%B5%D0%B4%D1%81%D1%82%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B8&diff=183&oldid=prev RXL: Ветвление FAQ:ANSI CPP 2008-07-28T19:08:01Z <p>Ветвление FAQ:ANSI CPP</p> <p><b>Новая страница</b></p><div>===Как задать значение константы в двоичном представлении (т.е. единицами и нулями в виде битового поля)?===<br /> <br /> Мможно использовать макросы. Например:<br /> &lt;pre&gt;<br /> // МАКРОСЫ ДЛЯ ДВОИЧНЫХ ЧИСЕЛ<br /> <br /> // байт<br /> #define _b8(b) ((BYTE)(\<br /> (b &amp; 0x10000000 ? 0x80 : 0) | (b &amp; 0x01000000 ? 0x40 : 0) |\<br /> (b &amp; 0x00100000 ? 0x20 : 0) | (b &amp; 0x00010000 ? 0x10 : 0) |\<br /> (b &amp; 0x00001000 ? 0x08 : 0) | (b &amp; 0x00000100 ? 0x04 : 0) |\<br /> (b &amp; 0x00000010 ? 0x02 : 0) | (b &amp; 0x00000001 ? 0x01 : 0)))<br /> <br /> // слово<br /> #define __b16(b16) ((WORD)((_b8(((unsigned __int64)b16) &gt;&gt; 32) &lt;&lt; 8)|(_b8(b16))))<br /> <br /> // двойное слово<br /> #define __b32(b16H, b16L) ((DWORD)(((__b16(b16H)) &lt;&lt; 16)|(__b16(b16L))))<br /> <br /> // пример:<br /> BYTE by;<br /> by = _b8(0x01010110); // 0x56<br /> by = _b8(0x111); // 7<br /> <br /> WORD w;<br /> w = __b16(0x0111011011010011); // 0x76d3<br /> <br /> DWORD dwd;<br /> dwd = __b32(0x0101010110110011, 0x0101111011010001); // 0x55B35ED1<br /> dwd = __b32(0x1000101110101010, 0x11010101); // 0x8BAA00D5<br /> &lt;/pre&gt;<br /> <br /> [[Category:FAQ:ANSI CPP]]</div> RXL