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<h1>ehrhart_union.c</h1><a href="ehrhart__union_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of PolyLib.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> PolyLib is free software: you can redistribute it and/or modify</span>
<a name="l00005"></a>00005 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00006"></a>00006 <span class="comment"> the Free Software Foundation, either version 3 of the License, or</span>
<a name="l00007"></a>00007 <span class="comment"> (at your option) any later version.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> PolyLib is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00012"></a>00012 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with PolyLib. If not, see <http://www.gnu.org/licenses/>.</span>
<a name="l00016"></a>00016 <span class="comment">*/</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <stdio.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <string.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <unistd.h></span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <<a class="code" href="polylib_8h.html">polylib/polylib.h</a>></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00026"></a><a class="code" href="ehrhart__union_8c.html#a98488386c7f643ebb5f2fb43891d4817">00026</a> <span class="keywordtype">void</span> <a class="code" href="ehrhart__union_8c.html#a98488386c7f643ebb5f2fb43891d4817">Union_Read</a>(<a class="code" href="structpolyhedron.html">Polyhedron</a> **P, <a class="code" href="structpolyhedron.html">Polyhedron</a> **C, <span class="keyword">const</span> <span class="keywordtype">char</span> ***param_name)
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <a class="code" href="structmatrix.html">Matrix</a> *pm;
<a name="l00029"></a>00029 <a class="code" href="structpolyhedron.html">Polyhedron</a> *ptmp;
<a name="l00030"></a>00030 <span class="keywordtype">unsigned</span> NbRows, NbColumns;
<a name="l00031"></a>00031 <span class="keywordtype">char</span> <a class="code" href="polytest_8c.html#a27d9a0cff1341bbc004fabd1ad8a1543">s</a>[1025], param[1025];
<a name="l00032"></a>00032 <span class="keywordtype">int</span> i, j, c, f;
<a name="l00033"></a>00033
<a name="l00034"></a>00034 *P = NULL;
<a name="l00035"></a>00035 pm = <a class="code" href="matrix_8c.html#a3a087ae9a03d5baf0b81831177931143">Matrix_Read</a>();
<a name="l00036"></a>00036 f=1;
<a name="l00037"></a>00037 <span class="keywordflow">while</span>( f )
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keywordflow">do</span>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keywordflow">if</span>( fgets(s, 1024, stdin) == 0 )
<a name="l00042"></a>00042 f=0;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 <span class="keywordflow">while</span> ( (*s==<span class="charliteral">'#'</span> || *s==<span class="charliteral">'\n'</span>) && f );
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordflow">if</span>( f && sscanf(s, <span class="stringliteral">"%d %d"</span>, &NbRows, &NbColumns)==2 )
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="comment">/* gets old pm and add it to the union */</span>
<a name="l00049"></a>00049 <span class="keywordflow">if</span>( *P )
<a name="l00050"></a>00050 <span class="keywordflow">if</span>( pm-><a class="code" href="structmatrix.html#a68858fd3b57684ef38bdfce13c65d182">NbColumns</a> != ((*P)->Dimension)+2 )
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 fprintf( stderr,
<a name="l00053"></a>00053 <span class="stringliteral">"Polyhedra must be in the same dimension space !\n"</span>);
<a name="l00054"></a>00054 exit(0);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 ptmp = <a class="code" href="polyhedron_8c.html#aefb77665a187d751bdd44f106b12465e" title="Given a matrix of constraints (&#39;Constraints&#39;), construct and return a polyhedron...">Constraints2Polyhedron</a>(pm, 200);
<a name="l00057"></a>00057 ptmp-><a class="code" href="structpolyhedron.html#aab97126cb9e56431d40eaf4e68b3953d">next</a> = *P;
<a name="l00058"></a>00058 *P = ptmp;
<a name="l00059"></a>00059 <a class="code" href="matrix_8c.html#afcb312b7c12a6997cd66964ecc34e1a6">Matrix_Free</a>(pm);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">/* reads the new pm */</span>
<a name="l00062"></a>00062 pm = <a class="code" href="matrix_8c.html#ac0b29e1d99a2823ad00b5f2157879d80">Matrix_Alloc</a>(NbRows, NbColumns);
<a name="l00063"></a>00063 <a class="code" href="matrix_8c.html#a40c219a9893d0f0ea7f9448ad27fcc3d">Matrix_Read_Input</a>( pm );
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="keywordflow">else</span>
<a name="l00066"></a>00066 <span class="keywordflow">break</span>;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">/* Context : last read pm */</span>
<a name="l00070"></a>00070 *C = <a class="code" href="polyhedron_8c.html#aefb77665a187d751bdd44f106b12465e" title="Given a matrix of constraints (&#39;Constraints&#39;), construct and return a polyhedron...">Constraints2Polyhedron</a>(pm, 200);
<a name="l00071"></a>00071 <a class="code" href="matrix_8c.html#afcb312b7c12a6997cd66964ecc34e1a6">Matrix_Free</a>(pm);
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">if</span>( f )
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="keywordtype">char</span> **pp = (<span class="keywordtype">char</span> **)malloc((*C)->Dimension*<span class="keyword">sizeof</span>(<span class="keywordtype">char</span> *));
<a name="l00077"></a>00077 *param_name = (<span class="keyword">const</span> <span class="keywordtype">char</span> **)pp;
<a name="l00078"></a>00078 <span class="comment">/* read the parameter names */</span>
<a name="l00079"></a>00079 c = 0;
<a name="l00080"></a>00080 <span class="keywordflow">for</span>( i=0 ; i<(*C)->Dimension ; ++i )
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 j=0;
<a name="l00083"></a>00083 <span class="keywordflow">for</span>( ; ; ++c )
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordflow">if</span>( s[c]==<span class="charliteral">' '</span> || s[c]==<span class="charliteral">'\n'</span> || s[c]==0 ) {
<a name="l00086"></a>00086 <span class="keywordflow">if</span>( j==0 )
<a name="l00087"></a>00087 <span class="keywordflow">continue</span>;
<a name="l00088"></a>00088 <span class="keywordflow">else</span>
<a name="l00089"></a>00089 <span class="keywordflow">break</span>;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 param[j++] = s[c];
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="comment">/* else, no parameters (use default) */</span>
<a name="l00095"></a>00095 <span class="keywordflow">if</span>( j==0 )
<a name="l00096"></a>00096 <span class="keywordflow">break</span>;
<a name="l00097"></a>00097 param[j] = 0;
<a name="l00098"></a>00098 pp[i] = (<span class="keywordtype">char</span> *)malloc(j);
<a name="l00099"></a>00099 strcpy(pp[i], param);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 <span class="keywordflow">if</span>( i != (*C)->Dimension )
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 free( *param_name );
<a name="l00104"></a>00104 *param_name = <a class="code" href="param_8c.html#ac5f556f34173ebc8815247ee7f4e2a0b">Read_ParamNames</a>(NULL,(*C)->Dimension);
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="keywordflow">else</span>
<a name="l00108"></a>00108 *param_name = <a class="code" href="param_8c.html#ac5f556f34173ebc8815247ee7f4e2a0b">Read_ParamNames</a>(NULL,(*C)->Dimension);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a><a class="code" href="ehrhart__union_8c.html#aba0cd13077be857cfb6da6abb5369e57">00112</a> <span class="keywordtype">void</span> <a class="code" href="ehrhart__union_8c.html#aba0cd13077be857cfb6da6abb5369e57">recurse</a>(<a class="code" href="structpolyhedron.html">Polyhedron</a> *C, <span class="keyword">const</span> <span class="keywordtype">char</span> **param_name, <a class="code" href="struct__enumeration.html">Enumeration</a> *e,
<a name="l00113"></a>00113 Value *pmin, Value *pmax, Value *<a class="code" href="vector_8c.html#aa45b2e3dcf291527c5aedc420819adfc">p</a>, <span class="keywordtype">int</span> l )
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 Value z, *tmp; <span class="keywordtype">int</span> k;
<a name="l00116"></a>00116 <a class="code" href="source_2arith_2arithmetique_8h.html#af71a2ca0294a19cff0cdcbdcc052ee27">value_init</a>( z );
<a name="l00117"></a>00117 <span class="keywordflow">if</span>( l == C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a> )
<a name="l00118"></a>00118 {
<a name="l00119"></a>00119 fprintf(stdout,<span class="stringliteral">"EP( "</span>);
<a name="l00120"></a>00120 <a class="code" href="source_2arith_2arithmetique_8h.html#ad34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,p[0]);
<a name="l00121"></a>00121 <span class="keywordflow">for</span>(k=1;k<C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>;++k) {
<a name="l00122"></a>00122 fprintf(stdout,<span class="stringliteral">","</span>);
<a name="l00123"></a>00123 <a class="code" href="source_2arith_2arithmetique_8h.html#ad34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,p[k]);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 fprintf(stdout,<span class="stringliteral">" ) = "</span>);
<a name="l00126"></a>00126 <a class="code" href="source_2arith_2arithmetique_8h.html#ad34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,*(tmp=<a class="code" href="eval__ehrhart_8c.html#af970e7f69cbf548188a8f3754001a150">compute_poly</a>(e,p)));
<a name="l00127"></a>00127 <a class="code" href="source_2arith_2arithmetique_8h.html#ab9b282921e85a0527d462d331533d619">value_clear</a>( *tmp );
<a name="l00128"></a>00128 free(tmp);
<a name="l00129"></a>00129 fprintf(stdout,<span class="stringliteral">"\n"</span>);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="keywordflow">else</span>
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">for</span>( <a class="code" href="source_2arith_2arithmetique_8h.html#a864613888dc46f15679aa4f63e468f89">value_assign</a>( z, pmin[l]) ; <a class="code" href="source_2arith_2arithmetique_8h.html#a47975ace017981602e1064f98f43f8a7">value_le</a>(z,pmax[l]) ; <a class="code" href="source_2arith_2arithmetique_8h.html#a88693f35dd41deddc6ac0700073fc8db">value_increment</a>(z,z) )
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 <a class="code" href="source_2arith_2arithmetique_8h.html#a864613888dc46f15679aa4f63e468f89">value_assign</a>( p[l], z );
<a name="l00136"></a>00136 <a class="code" href="ehrhart__union_8c.html#aba0cd13077be857cfb6da6abb5369e57">recurse</a> ( C, param_name, e, pmin, pmax, p, l+1 );
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142
<a name="l00143"></a>00143
<a name="l00144"></a><a class="code" href="ehrhart__union_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">00144</a> <span class="keywordtype">int</span> <a class="code" href="c2p_8c.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>( <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <a class="code" href="structpolyhedron.html">Polyhedron</a> *P, *C;
<a name="l00147"></a>00147 <span class="keyword">const</span> <span class="keywordtype">char</span> **param_name;
<a name="l00148"></a>00148 <a class="code" href="struct__enumeration.html">Enumeration</a> *e, *en;
<a name="l00149"></a>00149 Value *pmin, *pmax, *<a class="code" href="vector_8c.html#aa45b2e3dcf291527c5aedc420819adfc">p</a>; <span class="keywordtype">int</span> i, k; <span class="keywordtype">char</span> str[256], *<a class="code" href="polytest_8c.html#a27d9a0cff1341bbc004fabd1ad8a1543">s</a>;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keywordflow">if</span>( argc != 1 )
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 fprintf( stderr, <span class="stringliteral">" Usage : %s [< file]\n"</span>, argv[0] );
<a name="l00154"></a>00154 <span class="keywordflow">return</span>( -1 );
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <a class="code" href="ehrhart__union_8c.html#a98488386c7f643ebb5f2fb43891d4817">Union_Read</a>( &P, &C, &param_name );
<a name="l00158"></a>00158
<a name="l00159"></a>00159 e = <a class="code" href="ext__ehrhart_8c.html#a1a7c95208634df638d39a6656d4abb76">Domain_Enumerate</a>( P, C, 200, param_name );
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordflow">for</span>( en=e ; en ; en=en-><a class="code" href="struct__enumeration.html#ad2fd42474e015c9abc6aea0e2bea08b8">next</a> )
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <a class="code" href="polyparam_8c.html#afa315bc856959f9a781359f69b74d7a4">Print_Domain</a>(stdout,en-><a class="code" href="struct__enumeration.html#a57e35419d63ab12898542ef58d8decac">ValidityDomain</a>, param_name);
<a name="l00164"></a>00164 <a class="code" href="ehrhart_8c.html#a99718adf05e065181f35f5ca847f94b0">print_evalue</a>(stdout,&en-><a class="code" href="struct__enumeration.html#aa499b062a10ce16356e9b52d25cae0d9">EP</a>, param_name);
<a name="l00165"></a>00165 printf( <span class="stringliteral">"\n-----------------------------------\n"</span> );
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordflow">if</span>( isatty(0) && C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a> != 0)
<a name="l00169"></a>00169 { <span class="comment">/* no tty input or no polyhedron -> no evaluation. */</span>
<a name="l00170"></a>00170 printf(<span class="stringliteral">"Evaluation of the Ehrhart polynomial :\n"</span>);
<a name="l00171"></a>00171 pmin = (Value *)malloc(<span class="keyword">sizeof</span>(Value) * (C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>));
<a name="l00172"></a>00172 pmax = (Value *)malloc(<span class="keyword">sizeof</span>(Value) * (C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>));
<a name="l00173"></a>00173 p = (Value *)malloc(<span class="keyword">sizeof</span>(Value) * (C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>));
<a name="l00174"></a>00174 <span class="keywordflow">for</span>(i=0;i<C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>;i++)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <a class="code" href="source_2arith_2arithmetique_8h.html#af71a2ca0294a19cff0cdcbdcc052ee27">value_init</a>(pmin[i]);
<a name="l00177"></a>00177 <a class="code" href="source_2arith_2arithmetique_8h.html#af71a2ca0294a19cff0cdcbdcc052ee27">value_init</a>(pmax[i]);
<a name="l00178"></a>00178 <a class="code" href="source_2arith_2arithmetique_8h.html#af71a2ca0294a19cff0cdcbdcc052ee27">value_init</a>(p[i]);
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 <a class="code" href="types_8h.html#a75c828ed6c02fcd44084e67a032e422c">FOREVER</a> {
<a name="l00181"></a>00181 fflush(stdin);
<a name="l00182"></a>00182 printf(<span class="stringliteral">"Enter %d parameters (or intervals, comma separated) : "</span>,C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>);
<a name="l00183"></a>00183 <span class="keywordflow">for</span>(k=0;k<C-><a class="code" href="structpolyhedron.html#a2a02cea8b7ba3dde415041b8b2373bc8">Dimension</a>;++k)
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 scanf(<span class="stringliteral">"%s"</span>,str);
<a name="l00186"></a>00186 <span class="keywordflow">if</span>( (s=strpbrk(str,<span class="stringliteral">","</span>)) )
<a name="l00187"></a>00187 { *s = 0;
<a name="l00188"></a>00188 <a class="code" href="source_2arith_2arithmetique_8h.html#ab8a77ddf3765fd598f31d8ca2ac4705c">value_read</a>(pmin[k],str);
<a name="l00189"></a>00189 <a class="code" href="source_2arith_2arithmetique_8h.html#ab8a77ddf3765fd598f31d8ca2ac4705c">value_read</a>(pmax[k],(s+1));
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 <span class="keywordflow">else</span>
<a name="l00192"></a>00192 { <a class="code" href="source_2arith_2arithmetique_8h.html#ab8a77ddf3765fd598f31d8ca2ac4705c">value_read</a>(pmin[k],str);
<a name="l00193"></a>00193 <a class="code" href="source_2arith_2arithmetique_8h.html#a864613888dc46f15679aa4f63e468f89">value_assign</a>(pmax[k],pmin[k]);
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <a class="code" href="ehrhart__union_8c.html#aba0cd13077be857cfb6da6abb5369e57">recurse</a>( C, param_name, e, pmin, pmax, p, 0 );
<a name="l00198"></a>00198
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="keywordflow">return</span>( 0 );
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
</pre></div></div>
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