Patched qh_gethash in project/patch/qhull-2003.1/poly.c

Compared results of q_test, q_eg, and q_eghash
Found elapsed time error in Qhull 2010.1

README.txt

@@ -308,8 +308,6 @@ src/
      qhalf.exe
      qvoronoi.exe
      qhullcpp.dll
-     user_eg.exe
-     user_eg2.exe
      user_eg3.exe      // cpp demonstration 
      eg/qhull-go.bat   // DOS window
      qconvex.htm       // html manuals

project/patch/qhull-2003.1/poly.c

@@ -403,6 +403,7 @@ unsigned qh_gethash (int hashsize, setT *set, int size, int firstindex, void *sk
   void **elemp= SETelemaddr_(set, firstindex, void);
   ptr_intT hash = 0, elem;
   int i;
+  unsigned result;
 
   switch (size-firstindex) {
   case 1:
@@ -441,9 +442,10 @@ unsigned qh_gethash (int hashsize, setT *set, int size, int firstindex, void *sk
     }while(*elemp);
     break;
   }
-  hash %= (ptr_intT) hashsize;
-  /* hash= 0; for debugging purposes */
-  return hash;
+  result= (unsigned)hash;
+  result %= (unsigned)hashsize;
+  /* result= 0; for debugging purposes */
+  return result;
 } /* gethash */
 
 /*-<a                             href="qh-poly.htm#TOC"

src/Changes.txt

@@ -99,12 +99,18 @@ To do
  - user.h qh_qhPOINTER 0 for qhull -- need two static libraries
  - review os << QhullFacetSet vs QhullFacetList vs. QhullHyperplane vs. QhullPoint QhullRidge
  - generate static qhull for qhull.exe
+ - timer is off by 3 orders of magnitude
  
 Need help
  - ConvexHull is a submodule to git.  How to get rid of?
  - Set up configure and debian build.  If possible, please use project/ instead of qhull-2010.1/
  - Set up CMake.  If possible, please use project/ instead of qhull-2010.1/
  - The C++ interface needs a lot of work
+
+qhull 2010.1 2010/01/08
+ - Patched qh_gethash.  See project/patch/qhull-2003.1 with patched poly.c and patch.
+     Compared results of q_test, q_eg, and q_egtest with patched poly.c, qhull-2003.1 
+ - Remove user_eg.exe and user_eg2.exe from Windows distribution
  
 qhull 2010.1 2010/01/07
  - Assign type to qh.old_qhstat and memT.tempstack [amorilia]