{"id":10554,"date":"2015-08-29T00:11:11","date_gmt":"2015-08-29T04:11:11","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=10554"},"modified":"2015-08-24T10:37:59","modified_gmt":"2015-08-24T14:37:59","slug":"pointers","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=10554","title":{"rendered":"Pointers"},"content":{"rendered":"<pre>\/* The following code example is taken from the book\r\n\u00a0* \"The C++ Standard Library - A Tutorial and Reference\"\r\n\u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999\r\n\u00a0*\r\n\u00a0* (C) Copyright Nicolai M. Josuttis 1999.\r\n\u00a0* Permission to copy, use, modify, sell and distribute this software\r\n\u00a0* is granted provided this copyright notice appears in all copies.\r\n\u00a0* This software is provided \"as is\" without express or implied\r\n\u00a0* warranty, and with no claim as to its suitability for any purpose.\r\n\u00a0*\/\r\n#include &lt;algorithm&gt;\r\n#include &lt;iostream&gt;\r\n\r\nusing namespace std;\r\n\r\n\/* function that compares two pointers by comparing the values to which they po\r\nint\r\n\u00a0*\/\r\nbool int_ptr_less (int* a, int* b)\r\n{\r\n\u00a0\u00a0\u00a0 return *a &lt; *b;\r\n}\r\n\r\nint main()\r\n{\r\n\u00a0\u00a0\u00a0 int x = 17;\r\n\u00a0\u00a0\u00a0 int y = 42;\r\n\u00a0\u00a0\u00a0 int* px = &amp;x;\r\n\u00a0\u00a0\u00a0 int* py = &amp;y;\r\n\u00a0\u00a0\u00a0 int* pmax;\r\n\r\n\u00a0\u00a0\u00a0 \/\/ call max() with special comparison function\r\n\u00a0\u00a0\u00a0 pmax = max (px, py, int_ptr_less);\r\n\u00a0\u00a0\u00a0 cout &lt;&lt; *pmax;\r\n\u00a0\u00a0\u00a0 \/\/...\r\n}\r\n\r\n\u00a0\/* \r\n42\r\n\u00a0*\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\/* The following code example is taken from the book \u00a0* &#8220;The C++ Standard Library &#8211; A Tutorial and Reference&#8221; \u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999 \u00a0* \u00a0* (C) Copyright Nicolai M. Josuttis 1999. \u00a0* Permission to copy, use, modify, sell and distribute this software \u00a0* is granted provided this copyright notice appears in &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=10554\">Continue reading<\/a><\/p>\n","protected":false},"author":130,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1418,1417],"tags":[706],"class_list":["post-10554","post","type-post","status-publish","format-standard","hentry","category-ajax","category-code-programming-samples--","tag-code","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":27162,"url":"http:\/\/bangla.sitestree.com\/?p=27162","url_meta":{"origin":10554,"position":0},"title":"Pointers #Programming Code Examples #Java\/J2EE\/J2ME #Ajax","author":"Author-Check- Article-or-Video","date":"May 12, 2021","format":false,"excerpt":"\/* The following code example is taken from the book * \"The C++ Standard Library - A Tutorial and Reference\" * by Nicolai M. Josuttis, Addison-Wesley, 1999 * * (C) Copyright Nicolai M. Josuttis 1999. * Permission to copy, use, modify, sell and distribute this software * is granted provided\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10089,"url":"http:\/\/bangla.sitestree.com\/?p=10089","url_meta":{"origin":10554,"position":1},"title":"valarray with double value inside","author":"","date":"July 29, 2015","format":false,"excerpt":"\/* The following code example is taken from the book \u00a0* \"The C++ Standard Library - A Tutorial and Reference\" \u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999 \u00a0* \u00a0* (C) Copyright Nicolai M. Josuttis 1999. \u00a0* Permission to copy, use, modify, sell and distribute this software \u00a0* is granted provided\u2026","rel":"","context":"In &quot;C++&quot;","block_context":{"text":"C++","link":"http:\/\/bangla.sitestree.com\/?cat=1420"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10059,"url":"http:\/\/bangla.sitestree.com\/?p=10059","url_meta":{"origin":10554,"position":2},"title":"Transform binary representation into integral number using bitset","author":"","date":"July 27, 2015","format":false,"excerpt":"\/*\u00a0The\u00a0following\u00a0code\u00a0example\u00a0is\u00a0taken\u00a0from\u00a0the\u00a0book \u00a0*\u00a0\"The\u00a0C++\u00a0Standard\u00a0Library\u00a0-\u00a0A\u00a0Tutorial\u00a0and\u00a0Reference\" \u00a0*\u00a0by\u00a0Nicolai\u00a0M.\u00a0Josuttis,\u00a0Addison-Wesley,\u00a01999 \u00a0* \u00a0*\u00a0(C)\u00a0Copyright\u00a0Nicolai\u00a0M.\u00a0Josuttis\u00a01999. \u00a0*\u00a0Permission\u00a0to\u00a0copy,\u00a0use,\u00a0modify,\u00a0sell\u00a0and\u00a0distribute\u00a0this\u00a0software \u00a0*\u00a0is\u00a0granted\u00a0provided\u00a0this\u00a0copyright\u00a0notice\u00a0appears\u00a0in\u00a0all\u00a0copies. \u00a0*\u00a0This\u00a0software\u00a0is\u00a0provided\u00a0\"as\u00a0is\"\u00a0without\u00a0express\u00a0or\u00a0implied \u00a0*\u00a0warranty,\u00a0and\u00a0with\u00a0no\u00a0claim\u00a0as\u00a0to\u00a0its\u00a0suitability\u00a0for\u00a0any\u00a0purpose. \u00a0*\/ #include\u00a0<bitset> #include\u00a0<iostream> #include\u00a0<string> #include\u00a0<limits> using\u00a0namespace\u00a0std; int\u00a0main() { \u00a0\u00a0\u00a0\u00a0\/*\u00a0print\u00a0some\u00a0numbers\u00a0in\u00a0binary\u00a0representation \u00a0\u00a0\u00a0\u00a0\u00a0*\/ \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"267\u00a0as\u00a0binary\u00a0short:\u00a0\u00a0\u00a0\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<numeric_limits<unsigned\u00a0short>::digits>(267) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"267\u00a0as\u00a0binary\u00a0long:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<numeric_limits<unsigned\u00a0long>::digits>(267) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"10,000,000\u00a0with\u00a024\u00a0bits:\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<24>(1e7)\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0\/*\u00a0transform\u00a0binary\u00a0representation\u00a0into\u00a0integral\u00a0number \u00a0\u00a0\u00a0\u00a0\u00a0*\/ \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"\\\"1000101011\\\"\u00a0as\u00a0number:\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<100>(string(\"1000101011\")).to_ulong()\u00a0<<\u00a0endl; } \u00a0\/*\u00a0 267\u00a0as\u00a0binary\u00a0short:\u00a0\u00a0\u00a0\u00a0\u00a00000000100001011 267\u00a0as\u00a0binary\u00a0long:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a000000000000000000000000100001011 10,000,000\u00a0with\u00a024\u00a0bits:\u00a0100110001001011010000000 1000101011\"\u00a0as\u00a0number:\u00a0\u00a0555 \u00a0*\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0 \/\/ create a bitset that is 8 bits long bitset<8> bs;\u2026","rel":"","context":"In &quot;C++&quot;","block_context":{"text":"C++","link":"http:\/\/bangla.sitestree.com\/?cat=1420"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10552,"url":"http:\/\/bangla.sitestree.com\/?p=10552","url_meta":{"origin":10554,"position":3},"title":"C++ Template Example","author":"","date":"August 29, 2015","format":false,"excerpt":"\/* The following code example is taken from the book \u00a0* \"The C++ Standard Library - A Tutorial and Reference\" \u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999 \u00a0* \u00a0* (C) Copyright Nicolai M. Josuttis 1999. \u00a0* Permission to copy, use, modify, sell and distribute this software \u00a0* is granted provided\u2026","rel":"","context":"In &quot;C++&quot;","block_context":{"text":"C++","link":"http:\/\/bangla.sitestree.com\/?cat=1420"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":10094,"url":"http:\/\/bangla.sitestree.com\/?p=10094","url_meta":{"origin":10554,"position":4},"title":"Use sorting criterion in sort function","author":"","date":"July 30, 2015","format":false,"excerpt":"\/* The following code example is taken from the book \u00a0* \"The C++ Standard Library - A Tutorial and Reference\" \u00a0* by Nicolai M. Josuttis, Addison-Wesley, 1999 \u00a0* \u00a0* (C) Copyright Nicolai M. Josuttis 1999. \u00a0* Permission to copy, use, modify, sell and distribute this software \u00a0* is granted provided\u2026","rel":"","context":"In &quot;C++&quot;","block_context":{"text":"C++","link":"http:\/\/bangla.sitestree.com\/?cat=1420"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":62223,"url":"http:\/\/bangla.sitestree.com\/?p=62223","url_meta":{"origin":10554,"position":5},"title":"Transform binary representation into integral number using bitset #Programming Code Examples #C++ #Bitset","author":"Author-Check- Article-or-Video","date":"May 15, 2021","format":false,"excerpt":"\u00a0 \u00a0 \/*\u00a0The\u00a0following\u00a0code\u00a0example\u00a0is\u00a0taken\u00a0from\u00a0the\u00a0book \u00a0*\u00a0\"The\u00a0C++\u00a0Standard\u00a0Library\u00a0-\u00a0A\u00a0Tutorial\u00a0and\u00a0Reference\" \u00a0*\u00a0by\u00a0Nicolai\u00a0M.\u00a0Josuttis,\u00a0Addison-Wesley,\u00a01999 \u00a0* \u00a0*\u00a0(C)\u00a0Copyright\u00a0Nicolai\u00a0M.\u00a0Josuttis\u00a01999. \u00a0*\u00a0Permission\u00a0to\u00a0copy,\u00a0use,\u00a0modify,\u00a0sell\u00a0and\u00a0distribute\u00a0this\u00a0software \u00a0*\u00a0is\u00a0granted\u00a0provided\u00a0this\u00a0copyright\u00a0notice\u00a0appears\u00a0in\u00a0all\u00a0copies. \u00a0*\u00a0This\u00a0software\u00a0is\u00a0provided\u00a0\"as\u00a0is\"\u00a0without\u00a0express\u00a0or\u00a0implied \u00a0*\u00a0warranty,\u00a0and\u00a0with\u00a0no\u00a0claim\u00a0as\u00a0to\u00a0its\u00a0suitability\u00a0for\u00a0any\u00a0purpose. \u00a0*\/ #include\u00a0<bitset> #include\u00a0<iostream> #include\u00a0<string> #include\u00a0<limits> using\u00a0namespace\u00a0std; int\u00a0main() { \u00a0\u00a0\u00a0\u00a0\/*\u00a0print\u00a0some\u00a0numbers\u00a0in\u00a0binary\u00a0representation \u00a0\u00a0\u00a0\u00a0\u00a0*\/ \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"267\u00a0as\u00a0binary\u00a0short:\u00a0\u00a0\u00a0\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<numeric_limits<unsigned\u00a0short>::digits>(267) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"267\u00a0as\u00a0binary\u00a0long:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<numeric_limits<unsigned\u00a0long>::digits>(267) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"10,000,000\u00a0with\u00a024\u00a0bits:\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<24>(1e7)\u00a0<<\u00a0endl; \u00a0\u00a0\u00a0\u00a0\/*\u00a0transform\u00a0binary\u00a0representation\u00a0into\u00a0integral\u00a0number \u00a0\u00a0\u00a0\u00a0\u00a0*\/ \u00a0\u00a0\u00a0\u00a0cout\u00a0<<\u00a0\"\"1000101011\"\u00a0as\u00a0number:\u00a0\u00a0\" \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<<\u00a0bitset<100>(string(\"1000101011\")).to_ulong()\u00a0<<\u00a0endl; } \u00a0\/*\u00a0 267\u00a0as\u00a0binary\u00a0short:\u00a0\u00a0\u00a0\u00a0\u00a00000000100001011 267\u00a0as\u00a0binary\u00a0long:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a000000000000000000000000100001011 10,000,000\u00a0with\u00a024\u00a0bits:\u00a0100110001001011010000000 1000101011\"\u00a0as\u00a0number:\u00a0\u00a0555 \u00a0*\/\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0 \/\/ create a bitset that is 8 bits long\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/130"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10554"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10554\/revisions"}],"predecessor-version":[{"id":10555,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/10554\/revisions\/10555"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10554"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}