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<h1>ehrhart_lower_bound.c</h1><a href="ehrhart__lower__bound_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <stdio.h></span>
<a name="l00002"></a>00002 <span class="preprocessor">#include <string.h></span>
<a name="l00003"></a>00003 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#include <<a class="code" href="polylib_8h.html">polylib/polylib.h</a>></span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007
<a name="l00008"></a><a class="code" href="ehrhart__lower__bound_8c.html#3c04138a5bfe5d72780bb7e82a18e627">00008</a> <span class="keywordtype">int</span> <a class="code" href="c2p_8c.html#e66f6b31b5ad750f1fe042a706a4e3d4">main</a>( <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
<a name="l00009"></a>00009 {
<a name="l00010"></a>00010 <span class="keywordtype">int</span> i;
<a name="l00011"></a>00011 <span class="keyword">const</span> <span class="keywordtype">char</span> **param_name;
<a name="l00012"></a>00012 <a class="code" href="structmatrix.html">Matrix</a> *C1, *P1;
<a name="l00013"></a>00013 <a class="code" href="structpolyhedron.html">Polyhedron</a> *P, *C;
<a name="l00014"></a>00014 <a class="code" href="struct__enumeration.html">Enumeration</a> *e, *en;
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <a class="code" href="structmatrix.html">Matrix</a> * Validity_Lattice;
<a name="l00017"></a>00017 <span class="keywordtype">int</span> nb_parms;
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#ifdef EP_EVALUATION</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span> Value *<a class="code" href="vector_8c.html#a45b2e3dcf291527c5aedc420819adfc">p</a>, *tmp;
<a name="l00021"></a>00021 <span class="keywordtype">int</span> k;
<a name="l00022"></a>00022 <span class="preprocessor">#endif</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 P1 = <a class="code" href="matrix_8c.html#3a087ae9a03d5baf0b81831177931143">Matrix_Read</a>();
<a name="l00025"></a>00025 C1 = <a class="code" href="matrix_8c.html#3a087ae9a03d5baf0b81831177931143">Matrix_Read</a>();
<a name="l00026"></a>00026 nb_parms = C1-><a class="code" href="structmatrix.html#68858fd3b57684ef38bdfce13c65d182">NbColumns</a>-2;
<a name="l00027"></a>00027 <span class="keywordflow">if</span>(nb_parms < 0) {
<a name="l00028"></a>00028 fprintf( stderr, <span class="stringliteral">"Not enough parameters !\n"</span> );
<a name="l00029"></a>00029 exit(0);
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">/* Read the name of the parameters */</span>
<a name="l00033"></a>00033 param_name = <a class="code" href="param_8c.html#c5f556f34173ebc8815247ee7f4e2a0b">Read_ParamNames</a>(stdin,nb_parms);
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">/* inflate the polyhedron, so that the inflated EP approximation will be an</span>
<a name="l00036"></a>00036 <span class="comment"> upper bound for the EP's polyhedron. */</span>
<a name="l00037"></a>00037 <a class="code" href="matrix__addon_8c.html#0f0ba73176f5316a02e849b8c210204a" title="deflates a polyhedron (represented as a matrix) P, so that the apx of its Ehrhart...">mpolyhedron_deflate</a>(P1,nb_parms);
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="comment">/* compute a polynomial approximation of the Ehrhart polynomial */</span>
<a name="l00040"></a>00040 e = <a class="code" href="ehrhart_8c.html#0d3e40195e67384f3655c772212ed1d5" title="Computes the approximation of the Ehrhart polynomial of a polyhedron (implicit form...">Ehrhart_Quick_Apx</a>(P1, C1, &Validity_Lattice, 1024);
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <a class="code" href="matrix_8c.html#fcb312b7c12a6997cd66964ecc34e1a6">Matrix_Free</a>(C1);
<a name="l00043"></a>00043 <a class="code" href="matrix_8c.html#fcb312b7c12a6997cd66964ecc34e1a6">Matrix_Free</a>(P1);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 printf(<span class="stringliteral">"============ Ehrhart polynomial quick polynomial lower bound ============\n"</span>);
<a name="l00046"></a>00046 <a class="code" href="matrix__addon_8h.html#11468159c7fa7d75fadfa10e2e929fee" title="Polylib matrix addons Mainly, deals with polyhedra represented in implicit form (set...">show_matrix</a>(Validity_Lattice);
<a name="l00047"></a>00047 <span class="keywordflow">for</span>( en=e ; en ; en=en-><a class="code" href="struct__enumeration.html#d2fd42474e015c9abc6aea0e2bea08b8">next</a> ) {
<a name="l00048"></a>00048 <a class="code" href="polyparam_8c.html#fa315bc856959f9a781359f69b74d7a4">Print_Domain</a>(stdout,en-><a class="code" href="struct__enumeration.html#57e35419d63ab12898542ef58d8decac">ValidityDomain</a>, param_name);
<a name="l00049"></a>00049 <a class="code" href="ehrhart_8c.html#99718adf05e065181f35f5ca847f94b0">print_evalue</a>(stdout,&en-><a class="code" href="struct__enumeration.html#a499b062a10ce16356e9b52d25cae0d9">EP</a>, param_name);
<a name="l00050"></a>00050 printf( <span class="stringliteral">"\n-----------------------------------\n"</span> );
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="preprocessor">#ifdef EP_EVALUATION</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span> <span class="keywordflow">if</span>( isatty(0) && nb_parms != 0)
<a name="l00055"></a>00055 { <span class="comment">/* no tty input or no polyhedron -> no evaluation. */</span>
<a name="l00056"></a>00056 printf(<span class="stringliteral">"Evaluation of the Ehrhart polynomial :\n"</span>);
<a name="l00057"></a>00057 p = (Value *)malloc(<span class="keyword">sizeof</span>(Value) * (nb_parms));
<a name="l00058"></a>00058 <span class="keywordflow">for</span>(i=0;i<nb_parms;i++)
<a name="l00059"></a>00059 <a class="code" href="source_2arith_2arithmetique_8h.html#f71a2ca0294a19cff0cdcbdcc052ee27">value_init</a>(p[i]);
<a name="l00060"></a>00060 <a class="code" href="types_8h.html#75c828ed6c02fcd44084e67a032e422c">FOREVER</a> {
<a name="l00061"></a>00061 fflush(stdin);
<a name="l00062"></a>00062 printf(<span class="stringliteral">"Enter %d parameters : "</span>,nb_parms);
<a name="l00063"></a>00063 <span class="keywordflow">for</span>(k=0;k<nb_parms;++k) {
<a name="l00064"></a>00064 scanf(<span class="stringliteral">"%s"</span>,str);
<a name="l00065"></a>00065 <a class="code" href="source_2arith_2arithmetique_8h.html#b8a77ddf3765fd598f31d8ca2ac4705c">value_read</a>(p[k],str);
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 fprintf(stdout,<span class="stringliteral">"EP( "</span>);
<a name="l00068"></a>00068 <a class="code" href="source_2arith_2arithmetique_8h.html#d34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,p[0]);
<a name="l00069"></a>00069 <span class="keywordflow">for</span>(k=1;k<nb_parms;++k) {
<a name="l00070"></a>00070 fprintf(stdout,<span class="stringliteral">","</span>);
<a name="l00071"></a>00071 <a class="code" href="source_2arith_2arithmetique_8h.html#d34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,p[k]);
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 fprintf(stdout,<span class="stringliteral">" ) = "</span>);
<a name="l00074"></a>00074 <a class="code" href="source_2arith_2arithmetique_8h.html#d34605b56b571830b928b50a74d618b7">value_print</a>(stdout,VALUE_FMT,*(tmp=<a class="code" href="eval__ehrhart_8c.html#f970e7f69cbf548188a8f3754001a150">compute_poly</a>(en,p)));
<a name="l00075"></a>00075 free(tmp);
<a name="l00076"></a>00076 fprintf(stdout,<span class="stringliteral">"\n"</span>);
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="preprocessor">#endif </span><span class="comment">/* EP_EVALUATION */</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordflow">while</span>( e )
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <a class="code" href="ehrhart_8c.html#96434ed8279f7999773fa3343cfe98b8" title="releases all memory referenced by e.">free_evalue_refs</a>( &(e-><a class="code" href="struct__enumeration.html#a499b062a10ce16356e9b52d25cae0d9">EP</a>) );
<a name="l00084"></a>00084 <a class="code" href="polyhedron_8c.html#4ae97b9794e3a616f1d38c68e6515cc3">Polyhedron_Free</a>( e-><a class="code" href="struct__enumeration.html#57e35419d63ab12898542ef58d8decac">ValidityDomain</a> );
<a name="l00085"></a>00085 en = e -><a class="code" href="struct__enumeration.html#d2fd42474e015c9abc6aea0e2bea08b8">next</a>;
<a name="l00086"></a>00086 free( e );
<a name="l00087"></a>00087 e = en;
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 <a class="code" href="param_8c.html#e85c395031b2feb7cc47ba691bb6392f">Free_ParamNames</a>(param_name, nb_parms);
<a name="l00090"></a>00090 <span class="keywordflow">return</span> 0;
<a name="l00091"></a>00091 }
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