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<title>EO: eoRealBounds.cpp Source File</title>
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<h1>eoRealBounds.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="preprocessor">#ifdef _MSC_VER</span>
00002 <span class="preprocessor"></span><span class="comment">// to avoid long name warnings</span>
00003 <span class="preprocessor">#pragma warning(disable:4786)</span>
00004 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00005 <span class="preprocessor"></span>
00006 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
00007 <span class="preprocessor"></span><span class="preprocessor">#include &lt;config.h&gt;</span>
00008 <span class="preprocessor">#endif</span>
00009 <span class="preprocessor"></span>
00010 <span class="preprocessor">#include &lt;ctime&gt;</span>
00011 <span class="preprocessor">#include &lt;sstream&gt;</span>
00012
00013 <span class="preprocessor">#include "eoRealBounds.h"</span>
00014 <span class="preprocessor">#include "eoRealVectorBounds.h"</span>
00015
00016
00017 <span class="comment">// the global dummy bounds</span>
00018 <span class="comment">// (used for unbounded variables when bounds are required)</span>
00019 <a class="code" href="classeo_real_no_bounds.html">eoRealNoBounds</a> eoDummyRealNoBounds;
00020 <a class="code" href="classeo_real_vector_no_bounds.html">eoRealVectorNoBounds</a> eoDummyVectorNoBounds(0);
00021
00023
00024 <span class="comment">// removes leading delimiters - return false if nothing else left</span>
00025 <span class="keywordtype">bool</span> remove_leading(std::string &amp; _s, <span class="keyword">const</span> std::string _delim)
00026 {
00027 size_t posDebToken = _s.find_first_not_of(_delim);
00028 <span class="keywordflow">if</span> (posDebToken &gt;= _s.size())
00029 <span class="keywordflow">return</span> <span class="keyword">false</span>;
00030 _s = _s.substr(posDebToken);
00031 <span class="keywordflow">return</span> <span class="keyword">true</span>;
00032 }
00033
00034 <span class="keywordtype">double</span> read_double(std::string _s)
00035 {
00036 std::istringstream is(_s);
00037 <span class="keywordtype">double</span> r;
00038 is &gt;&gt; r;
00039 <span class="keywordflow">return</span> r;
00040 }
00041
00042 <span class="keywordtype">long</span> <span class="keywordtype">int</span> read_int(std::string _s)
00043 {
00044 std::istringstream is(_s);
00045 <span class="keywordtype">long</span> <span class="keywordtype">int</span> i;
00046 is &gt;&gt; i;
00047 <span class="keywordflow">return</span> i;
00048 }
00049
00050 <span class="comment">// need to rewrite copy ctor and assignement operator because of ownedBounds</span>
<a name="l00051"></a><a class="code" href="classeo_real_vector_bounds.html#a11">00051</a> <a class="code" href="classeo_real_vector_bounds.html#a0">eoRealVectorBounds::eoRealVectorBounds</a>(<span class="keyword">const</span> <a class="code" href="classeo_real_vector_bounds.html">eoRealVectorBounds</a> &amp; _b):
00052 <a class="code" href="classeo_real_base_vector_bounds.html">eoRealBaseVectorBounds</a>(_b)
00053 {
00054 factor = _b.<a class="code" href="classeo_real_vector_bounds.html#r0">factor</a>;
00055 ownedBounds = _b.<a class="code" href="classeo_real_vector_bounds.html#r1">ownedBounds</a>;
00056 <span class="comment">// duplicate all pointers!</span>
00057 <span class="keywordflow">if</span> (ownedBounds.size()&gt;0)
00058 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;ownedBounds.size(); i++)
00059 ownedBounds[i] = ownedBounds[i]-&gt;dup();
00060 }
00061
00062
00063 <span class="comment">// the readFrom method of eoRealVectorNoBounds:</span>
00064 <span class="comment">// only calls the readFrom(string) - for param reading</span>
<a name="l00065"></a><a class="code" href="classeo_real_vector_bounds.html#a7">00065</a> <span class="keywordtype">void</span> <a class="code" href="classeo_real_vector_bounds.html#a7">eoRealVectorBounds::readFrom</a>(std::istream&amp; _is)
00066 {
00067 std::string value;
00068 _is &gt;&gt; value;
00069 <a class="code" href="classeo_real_vector_bounds.html#a7">readFrom</a>(value);
00070 <span class="keywordflow">return</span>;
00071 }
00072
<a name="l00073"></a><a class="code" href="classeo_real_vector_bounds.html#a8">00073</a> <span class="keywordtype">void</span> <a class="code" href="classeo_real_vector_bounds.html#a7">eoRealVectorBounds::readFrom</a>(std::string _value)
00074 {
00075 <span class="comment">// keep track of old size - to adjust in the end</span>
00076 <span class="keywordtype">unsigned</span> oldSize = size();
00077 <span class="comment">// clean-up before filling in</span>
00078 <span class="keywordflow">if</span> (ownedBounds.size()&gt;0)
00079 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; ownedBounds.size(); ++i)
00080 {
00081 <span class="keyword">delete</span> ownedBounds[i];
00082 }
00083 ownedBounds.resize(0);
00084 factor.resize(0);
00085 resize(0);
00086
00087 <span class="comment">// now read</span>
00088 std::string delim(<span class="stringliteral">",; "</span>);
00089 <span class="keywordflow">while</span> (_value.size()&gt;0)
00090 {
00091 <span class="keywordflow">if</span> (!remove_leading(_value, delim)) <span class="comment">// only delimiters were left</span>
00092 <span class="keywordflow">break</span>;
00093 <span class="comment">// look for opening char</span>
00094 size_t posDeb = _value.find_first_of(<span class="stringliteral">"[("</span>);
00095 <span class="keywordflow">if</span> (posDeb &gt;= _value.size()) <span class="comment">// nothing left to read (though probably a syntax error there)</span>
00096 {
00097 <span class="keywordflow">break</span>;
00098 }
00099 <span class="comment">// ending char</span>
00100 std::string closeChar = (_value[posDeb] == <span class="charliteral">'('</span> ? std::string(<span class="stringliteral">")"</span>) : std::string(<span class="stringliteral">"]"</span>) );
00101
00102 size_t posFin = _value.find_first_of(std::string(closeChar));
00103 <span class="keywordflow">if</span> (posFin &gt;= _value.size())
00104 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error when reading bounds"</span>);
00105
00106 <span class="comment">// y a-t-il un nbre devant</span>
00107 <span class="keywordtype">unsigned</span> count = 1;
00108 <span class="keywordflow">if</span> (posDeb &gt; 0) <span class="comment">// something before opening</span>
00109 {
00110 std::string sCount = _value.substr(0, posDeb);
00111 count = read_int(sCount);
00112 <span class="keywordflow">if</span> (count &lt;= 0)
00113 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error when reading bounds"</span>);
00114 }
00115
00116 <span class="comment">// the bounds</span>
00117 std::string sBounds = _value.substr(posDeb+1, posFin-posDeb-1);
00118 <span class="comment">// and remove from original string</span>
00119 _value = _value.substr(posFin+1);
00120
00121 remove_leading(sBounds, delim);
00122 size_t posDelim = sBounds.find_first_of(delim);
00123 <span class="keywordflow">if</span> (posDelim &gt;= sBounds.size())
00124 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error when reading bounds"</span>);
00125
00126 <span class="keywordtype">bool</span> minBounded=<span class="keyword">false</span>, maxBounded=<span class="keyword">false</span>;
00127 <span class="keywordtype">double</span> minBound=0, maxBound=0;
00128
00129 <span class="comment">// min bound</span>
00130 std::string sMinBounds = sBounds.substr(0,posDelim);
00131 <span class="keywordflow">if</span> (sMinBounds != std::string(<span class="stringliteral">"-inf"</span>))
00132 {
00133 minBounded = <span class="keyword">true</span>;
00134 minBound = read_double(sMinBounds);
00135 }
00136
00137 <span class="comment">// max bound</span>
00138 size_t posEndDelim = sBounds.find_first_not_of(delim,posDelim);
00139
00140 std::string sMaxBounds = sBounds.substr(posEndDelim);
00141 <span class="keywordflow">if</span> (sMaxBounds != std::string(<span class="stringliteral">"+inf"</span>))
00142 {
00143 maxBounded = <span class="keyword">true</span>;
00144 maxBound = read_double(sMaxBounds);
00145 }
00146
00147 <span class="comment">// now create the eoRealBounds objects</span>
00148 <a class="code" href="classeo_real_bounds.html">eoRealBounds</a> *ptBounds;
00149 <span class="keywordflow">if</span> (minBounded &amp;&amp; maxBounded)
00150 ptBounds = <span class="keyword">new</span> <a class="code" href="classeo_real_interval.html">eoRealInterval</a>(minBound, maxBound);
00151 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!minBounded &amp;&amp; !maxBounded) <span class="comment">// no bound at all</span>
00152 ptBounds = <span class="keyword">new</span> <a class="code" href="classeo_real_no_bounds.html">eoRealNoBounds</a>;
00153 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!minBounded &amp;&amp; maxBounded)
00154 ptBounds = <span class="keyword">new</span> <a class="code" href="classeo_real_above_bound.html">eoRealAboveBound</a>(maxBound);
00155 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minBounded &amp;&amp; !maxBounded)
00156 ptBounds = <span class="keyword">new</span> <a class="code" href="classeo_real_below_bound.html">eoRealBelowBound</a>(minBound);
00157 <span class="comment">// store it for memory management</span>
00158 ownedBounds.push_back(ptBounds);
00159 <span class="comment">// push the count</span>
00160 factor.push_back(count);
00161 <span class="comment">// and add count of it to the actual bounds</span>
00162 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;count; i++)
00163 push_back(ptBounds);
00164 }
00165 <span class="comment">// now adjust the size to the initial value</span>
00166 <a class="code" href="classeo_real_vector_bounds.html#a10">adjust_size</a>(oldSize);
00167 }
00168
<a name="l00170"></a><a class="code" href="classeo_real_vector_bounds.html#a10">00170</a> <span class="keywordtype">void</span> <a class="code" href="classeo_real_vector_bounds.html#a10">eoRealVectorBounds::adjust_size</a>(<span class="keywordtype">unsigned</span> _dim)
00171 {
00172 <span class="keywordflow">if</span> ( size() &lt; _dim )
00173 {
00174 <span class="comment">// duplicate last bound</span>
00175 <span class="keywordtype">unsigned</span> missing = _dim-size();
00176 <a class="code" href="classeo_real_bounds.html">eoRealBounds</a> * ptBounds = back();
00177 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i&lt;missing; i++)
00178 push_back(ptBounds);
00179 <span class="comment">// update last factor (warning: can be &gt; 1 already!)</span>
00180 factor[factor.size()-1] += missing;
00181 }
00182 }
00183
<a name="l00189"></a><a class="code" href="classeo_general_real_bounds.html#d0">00189</a> <a class="code" href="classeo_real_bounds.html">eoRealBounds</a>* <a class="code" href="classeo_general_real_bounds.html#d0">eoGeneralRealBounds::getBoundsFromString</a>(std::string _value)
00190 {
00191 <span class="comment">// now read</span>
00192 std::string delim(<span class="stringliteral">",; "</span>);
00193 std::string beginOrClose(<span class="stringliteral">"[(])"</span>);
00194 <span class="keywordflow">if</span> (!remove_leading(_value, delim)) <span class="comment">// only delimiters were left</span>
00195 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error in eoGeneralRealBounds Ctor"</span>);
00196
00197 <span class="comment">// look for opening char</span>
00198 size_t posDeb = _value.find_first_of(beginOrClose); <span class="comment">// allow ]a,b]</span>
00199 <span class="keywordflow">if</span> (posDeb &gt;= _value.size()) <span class="comment">// nothing left to read</span>
00200 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error in eoGeneralRealBounds Ctor"</span>);
00201
00202 <span class="comment">// ending char: next {}() after posDeb</span>
00203 size_t posFin = _value.find_first_of(beginOrClose,posDeb+1);
00204 <span class="keywordflow">if</span> (posFin &gt;= _value.size()) <span class="comment">// not found</span>
00205 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error in eoGeneralRealBounds Ctor"</span>);
00206
00207 <span class="comment">// the bounds</span>
00208 std::string sBounds = _value.substr(posDeb+1, posFin-posDeb-1);
00209 <span class="comment">// and remove from original string</span>
00210 _value = _value.substr(posFin+1);
00211
00212 remove_leading(sBounds, delim);
00213 size_t posDelim = sBounds.find_first_of(delim);
00214 <span class="keywordflow">if</span> (posDelim &gt;= sBounds.size())
00215 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error in eoGeneralRealBounds Ctor"</span>);
00216
00217 <span class="keywordtype">bool</span> minBounded=<span class="keyword">false</span>, maxBounded=<span class="keyword">false</span>;
00218 <span class="keywordtype">double</span> minBound=0, maxBound=0;
00219
00220 <span class="comment">// min bound</span>
00221 std::string sMinBounds = sBounds.substr(0,posDelim);
00222
00223 <span class="keywordflow">if</span> ( (sMinBounds != std::string(<span class="stringliteral">"-inf"</span>)) &amp;&amp;
00224 (sMinBounds != std::string(<span class="stringliteral">"-infinity"</span>))
00225 )
00226 {
00227 minBounded = <span class="keyword">true</span>;
00228 minBound = read_double(sMinBounds);
00229 }
00230
00231 <span class="comment">// max bound</span>
00232 size_t posEndDelim = sBounds.find_first_not_of(delim,posDelim);
00233
00234 std::string sMaxBounds = sBounds.substr(posEndDelim);
00235
00236 <span class="keywordflow">if</span> ( (sMaxBounds != std::string(<span class="stringliteral">"+inf"</span>)) &amp;&amp;
00237 (sMaxBounds != std::string(<span class="stringliteral">"+infinity"</span>))
00238 )
00239 {
00240 maxBounded = <span class="keyword">true</span>;
00241 maxBound = read_double(sMaxBounds);
00242 }
00243
00244 <span class="comment">// now create the embedded eoRealBounds object</span>
00245 <a class="code" href="classeo_real_bounds.html">eoRealBounds</a> * locBound;
00246 <span class="keywordflow">if</span> (minBounded &amp;&amp; maxBounded)
00247 {
00248 <span class="keywordflow">if</span> (maxBound &lt;= minBound)
00249 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"Syntax error in eoGeneralRealBounds Ctor"</span>);
00250 locBound = <span class="keyword">new</span> <a class="code" href="classeo_real_interval.html">eoRealInterval</a>(minBound, maxBound);
00251 }
00252 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!minBounded &amp;&amp; !maxBounded) <span class="comment">// no bound at all</span>
00253 locBound = <span class="keyword">new</span> <a class="code" href="classeo_real_no_bounds.html">eoRealNoBounds</a>;
00254 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!minBounded &amp;&amp; maxBounded)
00255 locBound = <span class="keyword">new</span> <a class="code" href="classeo_real_above_bound.html">eoRealAboveBound</a>(maxBound);
00256 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (minBounded &amp;&amp; !maxBounded)
00257 locBound = <span class="keyword">new</span> <a class="code" href="classeo_real_below_bound.html">eoRealBelowBound</a>(minBound);
00258 <span class="keywordflow">return</span> locBound;
00259 }
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