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<h1>BoundsCheck.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* </span>
00002 <span class="comment"> * Copyright (C) 2005 Maarten Keijzer</span>
00003 <span class="comment"> *</span>
00004 <span class="comment"> * This program is free software; you can redistribute it and/or modify</span>
00005 <span class="comment"> * it under the terms of version 2 of the GNU General Public License as </span>
00006 <span class="comment"> * published by the Free Software Foundation. </span>
00007 <span class="comment"> *</span>
00008 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
00009 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00010 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
00011 <span class="comment"> * GNU General Public License for more details.</span>
00012 <span class="comment"> *</span>
00013 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
00014 <span class="comment"> * along with this program; if not, write to the Free Software</span>
00015 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00016 <span class="comment"> */</span>
00017
00018 <span class="preprocessor">#include &lt;vector&gt;</span>
00019
00020 <span class="preprocessor">#include "BoundsCheck.h"</span>
00021 <span class="preprocessor">#include &lt;Sym.h&gt;</span>
00022 <span class="preprocessor">#include &lt;FunDef.h&gt;</span>
00023 <span class="preprocessor">#include &lt;sstream&gt;</span>
00024
00025 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
00026
00027 <span class="keyword">class </span>IntervalBoundsCheckImpl {
00028 <span class="keyword">public</span> :
00029 vector&lt;Interval&gt; bounds;
00030 };
00031
00032 IntervalBoundsCheck::IntervalBoundsCheck(<span class="keyword">const</span> vector&lt;double&gt;&amp; mins, <span class="keyword">const</span> vector&lt;double&gt;&amp; maxes) {
00033 pimpl = <span class="keyword">new</span> IntervalBoundsCheckImpl;
00034 vector&lt;Interval&gt;&amp; b = pimpl-&gt;bounds;
00035
00036 b.resize( mins.size());
00037
00038 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; b.size(); ++i) {
00039 b[i] = Interval(mins[i], maxes[i]);
00040 }
00041
00042 }
00043
00044 IntervalBoundsCheck::~IntervalBoundsCheck() { <span class="keyword">delete</span> pimpl; }
00045 IntervalBoundsCheck::IntervalBoundsCheck(<span class="keyword">const</span> IntervalBoundsCheck&amp; that) { pimpl = <span class="keyword">new</span> IntervalBoundsCheckImpl(*that.pimpl); }
00046 IntervalBoundsCheck&amp; IntervalBoundsCheck::operator=(<span class="keyword">const</span> IntervalBoundsCheck&amp; that) { *pimpl = *that.pimpl; <span class="keywordflow">return</span> *<span class="keyword">this</span>; }
00047
00048 <span class="keywordtype">bool</span> IntervalBoundsCheck::in_bounds(<span class="keyword">const</span> Sym&amp; sym)<span class="keyword"> const </span>{
00049 Interval bounds;
00050
00051 <span class="keywordflow">try</span> {
00052 bounds = eval(sym, pimpl-&gt;bounds);
00053 <span class="keywordflow">if</span> (!valid(bounds)) <span class="keywordflow">return</span> <span class="keyword">false</span>;
00054 } <span class="keywordflow">catch</span> (interval_error) {
00055 <span class="keywordflow">return</span> <span class="keyword">false</span>;
00056 }
00057 <span class="keywordflow">return</span> <span class="keyword">true</span>;
00058 }
00059
00060 std::string IntervalBoundsCheck::get_bounds(<span class="keyword">const</span> Sym&amp; sym)<span class="keyword"> const </span>{
00061
00062 <span class="keywordflow">try</span> {
00063 Interval bounds = eval(sym, pimpl-&gt;bounds);
00064 <span class="keywordflow">if</span> (!valid(bounds)) <span class="keywordflow">return</span> <span class="stringliteral">"err"</span>;
00065 ostringstream os;
00066 os &lt;&lt; bounds;
00067 <span class="keywordflow">return</span> os.str();
00068 } <span class="keywordflow">catch</span> (interval_error) {
00069 <span class="keywordflow">return</span> <span class="stringliteral">"err"</span>;
00070 }
00071 }
00072
00073
00074 std::pair&lt;double, double&gt; IntervalBoundsCheck::calc_bounds(<span class="keyword">const</span> Sym&amp; sym)<span class="keyword"> const </span>{
00075
00076 Interval bounds = eval(sym, pimpl-&gt;bounds);
00077 <span class="keywordflow">return</span> make_pair(bounds.lower(), bounds.upper());
00078 }
00079
00080
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:34 2006 for EO by&nbsp;
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