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<p>A C++ file which accepts the coordinates of a set of rectangles and calculates the measure of the same.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <bits/stdc++.h></code><br />
<code>#include <algorithm></code><br />
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcord.html">cord</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structpoint.html">point</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structinterval.html">interval</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structline__segment.html">line_segment</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structrectangle.html">rectangle</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structedge__type.html">edge_type</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structedge.html">edge</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structstripe.html">stripe</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcmp.html">cmp</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcmp__partition.html">cmp_partition</a></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcomp.html">comp</a></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:a8b6ef9e52bf0bd481985c2a8c2be83c2"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structcord.html">cord</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a8b6ef9e52bf0bd481985c2a8c2be83c2">cord</a></td></tr>
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<tr class="memitem:a1962d3618053240ee34ad8e3e3c26fd8"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structinterval.html">interval</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a1962d3618053240ee34ad8e3e3c26fd8">interval</a></td></tr>
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<tr class="memitem:a9a0ffb0ace2c30ecc0a91ba4430bb412"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structline__segment.html">line_segment</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a9a0ffb0ace2c30ecc0a91ba4430bb412">line_segment</a></td></tr>
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<tr class="memitem:ac05b76cb45185785dc024912b32b7b05"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structrectangle.html">rectangle</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#ac05b76cb45185785dc024912b32b7b05">rectangle</a></td></tr>
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<tr class="memitem:a62e8ac20ad6459019691857781e5a4da"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structedge.html">edge</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a62e8ac20ad6459019691857781e5a4da">edge</a></td></tr>
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<tr class="memitem:acbd8d8fff32460226a38ea706e5eaefb"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structstripe.html">stripe</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#acbd8d8fff32460226a38ea706e5eaefb">stripe</a></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:af726b0188a840dff4882d0a682efcb7b"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structcord.html">cord</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#af726b0188a840dff4882d0a682efcb7b">y_set</a> (vector< <a class="el" href="structrectangle.html">rectangle</a> > R)</td></tr>
<tr class="separator:af726b0188a840dff4882d0a682efcb7b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a03f9797dce0a6ebcc6910c1f8c29422d"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structinterval.html">interval</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a03f9797dce0a6ebcc6910c1f8c29422d">partition</a> (vector< <a class="el" href="structcord.html">cord</a> > Y)</td></tr>
<tr class="separator:a03f9797dce0a6ebcc6910c1f8c29422d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a884c210c4f326f4102fc6cca5e64dcbe"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a884c210c4f326f4102fc6cca5e64dcbe">cmp_stripe</a> (<a class="el" href="structstripe.html">stripe</a> a, <a class="el" href="structstripe.html">stripe</a> b)</td></tr>
<tr class="separator:a884c210c4f326f4102fc6cca5e64dcbe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a44dc80d13e6f12782966ace71e9f2cee"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a44dc80d13e6f12782966ace71e9f2cee">stripe_subset</a> (<a class="el" href="structstripe.html">stripe</a> s1, <a class="el" href="structstripe.html">stripe</a> s2)</td></tr>
<tr class="separator:a44dc80d13e6f12782966ace71e9f2cee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac880c3777c7ceb9e41bb9833d748a070"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#ac880c3777c7ceb9e41bb9833d748a070">bS1</a> (vector< <a class="el" href="structstripe.html">stripe</a> > S, <a class="el" href="structinterval.html">interval</a> test)</td></tr>
<tr class="separator:ac880c3777c7ceb9e41bb9833d748a070"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a051eaf89ac59135f2bdd4e7ace250599"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a051eaf89ac59135f2bdd4e7ace250599">copy</a> (vector< <a class="el" href="structstripe.html">stripe</a> > Sx1, vector< <a class="el" href="structcord.html">cord</a> > &P, float bottom, float xm, vector< <a class="el" href="structstripe.html">stripe</a> > &Sleft)</td></tr>
<tr class="separator:a051eaf89ac59135f2bdd4e7ace250599"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aed4b4e730cf5afb8eb1efa467dfa68ba"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#aed4b4e730cf5afb8eb1efa467dfa68ba">interval_subset</a> (<a class="el" href="structinterval.html">interval</a> i1, <a class="el" href="structinterval.html">interval</a> i2)</td></tr>
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<tr class="memitem:ad2ead7d3674bb797e232e94511ecff4b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#ad2ead7d3674bb797e232e94511ecff4b">comparatorSort_interval</a> (<a class="el" href="structinterval.html">interval</a> i1, <a class="el" href="structinterval.html">interval</a> i2)</td></tr>
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<tr class="memitem:af9eb3186517b53d0c655ca2b430b6975"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#af9eb3186517b53d0c655ca2b430b6975">comparatorSort_yinter</a> (<a class="el" href="structstripe.html">stripe</a> S1, <a class="el" href="structstripe.html">stripe</a> S2)</td></tr>
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<tr class="memitem:afcfc92630ca390d7748263d32452d324"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#afcfc92630ca390d7748263d32452d324">bS2</a> (vector< <a class="el" href="structinterval.html">interval</a> > S, <a class="el" href="structinterval.html">interval</a> test)</td></tr>
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<tr class="memitem:a86a9259af3462e53bfab483ed6d92d38"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structstripe.html">stripe</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a86a9259af3462e53bfab483ed6d92d38">blacken</a> (vector< <a class="el" href="structstripe.html">stripe</a> > S, vector< <a class="el" href="structinterval.html">interval</a> > J)</td></tr>
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<tr class="memitem:abd2ea0a7f3c339c221dec21025d2dea7"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#abd2ea0a7f3c339c221dec21025d2dea7">bS3</a> (vector< <a class="el" href="structstripe.html">stripe</a> > S, <a class="el" href="structinterval.html">interval</a> test)</td></tr>
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<tr class="memitem:a10f4a0284cbe064cac969b29ca56bfce"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structstripe.html">stripe</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a10f4a0284cbe064cac969b29ca56bfce">concat</a> (vector< <a class="el" href="structstripe.html">stripe</a> > S1, vector< <a class="el" href="structstripe.html">stripe</a> > S2, vector< <a class="el" href="structcord.html">cord</a> > P, <a class="el" href="structinterval.html">interval</a> x_int)</td></tr>
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<tr class="memitem:acd96547fe51134694141d9262c1a0639"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#acd96547fe51134694141d9262c1a0639">comp2_P</a> (<a class="el" href="structcord.html">cord</a> a, <a class="el" href="structcord.html">cord</a> b)</td></tr>
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vector< <a class="el" href="structinterval.html">interval</a> > </td><td class="memItemRight" valign="bottom"><b>Intervals_union</b> (vector< <a class="el" href="structinterval.html">interval</a> > arr1, vector< <a class="el" href="structinterval.html">interval</a> > arr2)</td></tr>
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<tr class="memitem:a63854b2784a4c3aa2d8124f9731d6918"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structinterval.html">interval</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a63854b2784a4c3aa2d8124f9731d6918">Intervals_subtraction</a> (vector< <a class="el" href="structinterval.html">interval</a> > arrA, vector< <a class="el" href="structinterval.html">interval</a> > arrB)</td></tr>
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<tr class="memitem:af343014e12559c335b91b3d3d5854d7e"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structinterval.html">interval</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#af343014e12559c335b91b3d3d5854d7e">Intervals_intersection</a> (vector< <a class="el" href="structinterval.html">interval</a> > arr1, vector< <a class="el" href="structinterval.html">interval</a> > arr2)</td></tr>
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<tr class="memitem:ab20b67eede216bfef71612d2f4dab4fd"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structcord.html">cord</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#ab20b67eede216bfef71612d2f4dab4fd">cords_union</a> (vector< <a class="el" href="structcord.html">cord</a> > P1, vector< <a class="el" href="structcord.html">cord</a> >P2)</td></tr>
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<tr class="memitem:a226dfc099ff11d962bbf918fd5e7ffc5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a226dfc099ff11d962bbf918fd5e7ffc5">Stripes</a> (vector< <a class="el" href="structedge.html">edge</a> > V, <a class="el" href="structinterval.html">interval</a> x_ext, vector< <a class="el" href="structinterval.html">interval</a> > &L, vector< <a class="el" href="structinterval.html">interval</a> > &R, vector< <a class="el" href="structstripe.html">stripe</a> > &S, vector< <a class="el" href="structcord.html">cord</a> > &P)</td></tr>
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<tr class="memitem:af6bb6c145d5c1405494807a7c44f01e2"><td class="memItemLeft" align="right" valign="top">vector< <a class="el" href="structstripe.html">stripe</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#af6bb6c145d5c1405494807a7c44f01e2">rectangle_dac</a> (vector< <a class="el" href="structrectangle.html">rectangle</a> > R)</td></tr>
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<tr class="memitem:a94a69314549fe9d0a8fa07a2c971b49f"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#a94a69314549fe9d0a8fa07a2c971b49f">rect_comp</a> (<a class="el" href="structrectangle.html">rectangle</a> a, <a class="el" href="structrectangle.html">rectangle</a> b)</td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="measure__documentation_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A C++ file which accepts the coordinates of a set of rectangles and calculates the measure of the same. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8b6ef9e52bf0bd481985c2a8c2be83c2">◆ </a></span>cord</h2>
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<td class="memname">typedef struct <a class="el" href="structcord.html">cord</a> <a class="el" href="structcord.html">cord</a></td>
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<p>Structure to represent a coordinate, could be an x-coordinate or a y-coordinate. This structure contains a single member </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a62e8ac20ad6459019691857781e5a4da">◆ </a></span>edge</h2>
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<td class="memname">typedef struct <a class="el" href="structedge.html">edge</a> <a class="el" href="structedge.html">edge</a></td>
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<p>Structure representing an edge through 3 components as its members which can uniquely identify an edge </p>
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<td class="memname">typedef struct <a class="el" href="structedge__type.html">edge_type</a> <a class="el" href="structedge__type.html">edge_type</a></td>
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<p>This structure is used to represent the edgetype of a rectangle. There can be 4 kinds of edges - left,right,bottom and top </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1962d3618053240ee34ad8e3e3c26fd8">◆ </a></span>interval</h2>
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<td class="memname">typedef struct <a class="el" href="structinterval.html">interval</a> <a class="el" href="structinterval.html">interval</a></td>
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<p>Structure to represent an interval. Either an x-interval or a y-interval </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9a0ffb0ace2c30ecc0a91ba4430bb412">◆ </a></span>line_segment</h2>
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<td class="memname">typedef struct <a class="el" href="structline__segment.html">line_segment</a> <a class="el" href="structline__segment.html">line_segment</a></td>
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<p>Structure representing a line segment </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af3db11a2d803c7937bdb0952d6d6a66d">◆ </a></span>point</h2>
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<td class="memname">typedef struct <a class="el" href="structpoint.html">point</a> <a class="el" href="structpoint.html">point</a></td>
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<p>Structure to represent a point in a 2-D plane, compirising of an x-coordinate and a y-coordinate </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac05b76cb45185785dc024912b32b7b05">◆ </a></span>rectangle</h2>
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<td class="memname">typedef struct <a class="el" href="structrectangle.html">rectangle</a> <a class="el" href="structrectangle.html">rectangle</a></td>
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<p>Structure representing a Rectangle </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acbd8d8fff32460226a38ea706e5eaefb">◆ </a></span>stripe</h2>
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<td class="memname">typedef struct <a class="el" href="structstripe.html">stripe</a> <a class="el" href="structstripe.html">stripe</a></td>
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<p>Structure used to represent a stripe, which is a rectangular area defined by an x-interval and a y-interval and another component </p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a86a9259af3462e53bfab483ed6d92d38">◆ </a></span>blacken()</h2>
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<td class="memname">vector<<a class="el" href="structstripe.html">stripe</a>> blacken </td>
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<p>This function accepts a set of stripes and a set of intervals and blackens the regions that are completely covered by a rectangle in a stripe. This implies that the x_measure (x_union) fields of these stripes are also updated after the invocation this function </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ac880c3777c7ceb9e41bb9833d748a070">◆ </a></span>bS1()</h2>
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<td class="memname">int bS1 </td>
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<p>A function which accepts a set of stripes and an interval, and uses binary search to locate the stripe which is a superset of the given interval </p>
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<h2 class="memtitle"><span class="permalink"><a href="#afcfc92630ca390d7748263d32452d324">◆ </a></span>bS2()</h2>
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<td class="memname">int bS2 </td>
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<p>A function which accepts a set of intervals and an interval, and uses binary search to locate the interval which is a superset of the given interval </p>
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<td class="memname">int bS3 </td>
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<p>A function which accepts a set of stripes and an interval, and uses binary search to locate the interval which is a superset of the given interval </p>
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<td class="memname">bool cmp_stripe </td>
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<p>Custom comparator used for sorting data structures (e.g. vectors) based on stripes </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acd96547fe51134694141d9262c1a0639">◆ </a></span>comp2_P()</h2>
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<td class="memname">bool comp2_P </td>
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<p>Custom comparator used for comparing 2 coordinates </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad2ead7d3674bb797e232e94511ecff4b">◆ </a></span>comparatorSort_interval()</h2>
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<td class="memname">bool comparatorSort_interval </td>
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<p>Custom comparator used for comparing 2 intervals, used for sorting two intervals based on their starting point. Given two intervals i1 and i2, the function returns true when i1's starting point is less than i2's starting point and False otherwise </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af9eb3186517b53d0c655ca2b430b6975">◆ </a></span>comparatorSort_yinter()</h2>
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<td class="memname">bool comparatorSort_yinter </td>
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<p>Custom comparator used for comparing 2 stripes based on their y-intervals. Given 2 stripes s1 and s2, the function returns True if the starting point of s1's y-interval is lesser than the starting point of s2's y-interval and False otherwise. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a10f4a0284cbe064cac969b29ca56bfce">◆ </a></span>concat()</h2>
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<td class="memname">vector<<a class="el" href="structstripe.html">stripe</a>> concat </td>
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<td class="paramtype">vector< <a class="el" href="structstripe.html">stripe</a> > </td>
<td class="paramname"><em>S1</em>, </td>
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<td class="paramtype">vector< <a class="el" href="structstripe.html">stripe</a> > </td>
<td class="paramname"><em>S2</em>, </td>
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<td class="paramtype">vector< <a class="el" href="structcord.html">cord</a> > </td>
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<td class="paramtype"><a class="el" href="structinterval.html">interval</a> </td>
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<p>This function is used to combine two set of stripes (frames) into one. This function accepts two sets of stripes, a set of coordinates and the x interval across which both the set of stripes(commbined) extend. The function then returns a set of stripes formed by combining the 2 sets of stripes s1 and s2 </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a051eaf89ac59135f2bdd4e7ace250599">◆ </a></span>copy()</h2>
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<td class="memname">void copy </td>
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<td class="paramtype">vector< <a class="el" href="structstripe.html">stripe</a> > </td>
<td class="paramname"><em>Sx1</em>, </td>
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<p>This function accepts 2 sets of stripes s1 and s2, the x coordinates that splits the two set of stripes (frames), the partition of the plane and the bottom of the interval, i.e. the starting point of the frames. The purpose of this function is to make the 2 sets of stripes (s1 and s2) equal, this is done by extending the y-boundaries of s1 in s2 and vice-versa. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab20b67eede216bfef71612d2f4dab4fd">◆ </a></span>cords_union()</h2>
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<td class="memname">vector<<a class="el" href="structcord.html">cord</a>> cords_union </td>
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<p>This function accepts two sets of points on the 2-D plane as arguments and returns their union </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aed4b4e730cf5afb8eb1efa467dfa68ba">◆ </a></span>interval_subset()</h2>
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<td class="memname">bool interval_subset </td>
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<p>A boolean function which accepts 2 intervals i1, i2 and checks if i1 completely lies inside i2 (subset) or not. The function returns True if i1 is a subset of i2 and False otherwise. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af343014e12559c335b91b3d3d5854d7e">◆ </a></span>Intervals_intersection()</h2>
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<td class="memname">vector<<a class="el" href="structinterval.html">interval</a>> Intervals_intersection </td>
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<p>This function accepts two sets of intervals as arguments and returns their intersection </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a63854b2784a4c3aa2d8124f9731d6918">◆ </a></span>Intervals_subtraction()</h2>
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<td class="memname">vector<<a class="el" href="structinterval.html">interval</a>> Intervals_subtraction </td>
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<p>This function accepts two sets of intervals as arguments and returns their difference </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">◆ </a></span>main()</h2>
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<td class="memname">int main </td>
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<p>This is the driver function of our program which accepts coordinates of rectangles as input from the user and calculates the final area using the calculated stripes </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a03f9797dce0a6ebcc6910c1f8c29422d">◆ </a></span>partition()</h2>
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<td class="memname">vector<<a class="el" href="structinterval.html">interval</a>> partition </td>
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<p>The function accepts a set of y-coordinates and returns a set of intervals. These set of intervals are the partitions in which the plane is divided into by the y-coordinates. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a94a69314549fe9d0a8fa07a2c971b49f">◆ </a></span>rect_comp()</h2>
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<td class="memname">bool rect_comp </td>
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<p>Custom comparator used for sorting a set of rectangles based on their x- and y-coordinates </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af6bb6c145d5c1405494807a7c44f01e2">◆ </a></span>rectangle_dac()</h2>
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<td class="memname">vector<<a class="el" href="structstripe.html">stripe</a>> rectangle_dac </td>
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<p>This function accepts a set of rectangles in the 2-D plane and sets the environment for the recursive call of stripes. It returns the final set of stripes to the main function </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a44dc80d13e6f12782966ace71e9f2cee">◆ </a></span>stripe_subset()</h2>
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<td class="memname">bool stripe_subset </td>
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<td class="paramname"><em>s1</em>, </td>
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<p>Custom comparator used for sorting data structures (e.g. vectors) based on stripes*‍/ struct cmp_stripe2{ /*! This function checks whether one stripe is enclosed by the other*‍/bool operator() (const stripe & a, const stripe & b){ if(a.y_inter.top.x<b.y_inter.top.x || (a.y_inter.top.x==b.y_inter.top.x && a.y_inter.bottom.x<b.y_inter.bottom.x )) return true; return false; } /*! This function checks whether the stripe is below before the y coordinate*‍/bool operator() (const stripe & left, int right){ return left.y_inter.top.x < right; } /*! This function checks whether the stripe is above the y coordinate*‍/bool operator() (int left, const stripe & right){ return left < right.y_inter.top.x; } };</p>
<p>/*! A boolean function which accepts two stripes s1 and s2 and check if s1 is a subset of s2 or not, i.e. it returns true if s1 completely lies inside s2 and false otherwise </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a226dfc099ff11d962bbf918fd5e7ffc5">◆ </a></span>Stripes()</h2>
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<td class="memname">void Stripes </td>
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<p>This function is the crux of the divide-and-conquer algorithm. It is recursively called for a set of edges, the x-interval, the left and right sets of intervals, a set of stripes and a set of points on the 2-D plane. It chooses vertical line splitting the set of edges into two parts and recursively calls stripes on those sts of edges until they have only 1 edge left, which is the base case </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af726b0188a840dff4882d0a682efcb7b">◆ </a></span>y_set()</h2>
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<td class="memname">vector<<a class="el" href="structcord.html">cord</a>> y_set </td>
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<p>This function accepts a set of rectangles and return a set of y-coordinates through which the bottom/top edge of the rectangles pass. It is essentially defines the partition of the 2-D plane by the set of rectangles </p>
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