Added cddlib-094h from http://www.inf.ethz.ch/personal/fukudak/cdd_home/

Change-Id: I64519509269e434b1b9ea87c3fe0805e711c0ac9
diff --git a/third_party/cddlib/src/testcdd1.c b/third_party/cddlib/src/testcdd1.c
new file mode 100644
index 0000000..8f1355f
--- /dev/null
+++ b/third_party/cddlib/src/testcdd1.c
@@ -0,0 +1,105 @@
+/* testcdd1.c: Main test program to call the cdd library cddlib
+   written by Komei Fukuda, fukuda@ifor.math.ethz.ch
+   Version 0.93, July 9, 2003
+   Standard ftp site: ftp.ifor.math.ethz.ch, Directory: pub/fukuda/cdd
+*/
+
+/*  This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "setoper.h"
+#include "cdd.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+#include <string.h>
+
+dd_boolean SetInputFile(FILE **f, char *fname)
+{
+  dd_boolean success=dd_FALSE;
+
+  if ( ( *f = fopen(fname, "r") )!= NULL) {
+    printf("input file %s is open\n", fname);
+    success=dd_TRUE;
+  }
+  else{
+    printf("The input file %s not found\n",fname);
+  }
+  return success;
+}
+
+int main(int argc, char *argv[])
+{
+  dd_PolyhedraPtr poly;
+  dd_MatrixPtr M;
+  dd_ErrorType err;
+  dd_DataFileType inputfile;
+  FILE *reading=NULL;
+  dd_MatrixPtr A, G;
+  dd_SetFamilyPtr GI,GA;
+
+  dd_set_global_constants();  /* First, this must be called. */
+
+  dd_SetInputFile(&reading,inputfile, &err);
+  if (err==dd_NoError) {
+    M=dd_PolyFile2Matrix(reading, &err);
+  }
+  else {
+    printf("Input file not found\n");
+    goto _L99;
+  }
+
+  if (err==dd_NoError) {
+    poly=dd_DDMatrix2Poly(M, &err); /* compute the second representation */
+    if (err!=dd_NoError) {
+      dd_WriteErrorMessages(stdout,err);  goto _L99;
+    }
+    A=dd_CopyInequalities(poly);
+    G=dd_CopyGenerators(poly);
+    GI=dd_CopyIncidence(poly);
+    GA=dd_CopyAdjacency(poly);
+
+    if (poly->representation==dd_Inequality) {
+      printf("\nInput is an H-representation\n");
+    } else {
+      printf("\nInput is a V-representation\n");
+    }
+    dd_WriteMatrix(stdout,A); printf("\n");
+    dd_WriteMatrix(stdout,G);
+
+    printf("\nHere is the incidence list:\n");
+    dd_WriteSetFamily(stdout,GI);
+
+    printf("\nHere is the adjacency list:\n");
+    dd_WriteSetFamily(stdout,GA);
+
+    dd_FreePolyhedra(poly);
+    /* This is to remove all the space allocated for poly. */
+    dd_FreeMatrix(M);
+    dd_FreeMatrix(A);
+    dd_FreeMatrix(G);
+    dd_FreeSetFamily(GI);
+    dd_FreeSetFamily(GA);
+  } else {
+    dd_WriteErrorMessages(stdout,err);
+  }
+_L99:
+  dd_free_global_constants();  /* At the end, this must be called. */
+  return 0;
+}
+
+
+/* end of testcdd1.c */