qhull-2011.2 2011/11/29

<li>Replace Qhull-go.pif with Qhull-go.lnk for Windows 7 64-bit [lots].
<li>Report an error if qh_newhashtable, qh_setnew, or qh_memalloc overflows [X. Cheng]. Overflow may occur on 64-bit hosts. Qhull uses 32-bit ints for identifiers, counts, and sizes.
<li>FAQ: How to compute the volume of a Voronoi region [C, Brinch].
<li>For qhull library users, qh_new_qhull calls qh_prepare_output if !outfile [A. Aldoma].
<li>Fixed LF line endings for qhull-2009.1.2 [P. Cheeseman].
<li>Added simple makefile to src/libqhull.

Bug fixes

• qh_new_qhull: Call qh_prepare_output if !outfile [A. Aldoma] No effect on qhull users since qh_prepare_output is always called.
• Replace Qhull-go.pif with Qhull-go.lnk for Windows 7 64-bit [lots]
• Error if qh_newhashtable, qh_setnew, or qh_memalloc overflows [X. Cheng] For example, 'rbox 64 D32' overflows hash table for qh_matchnewfacets Qhull uses 32-bit ints for identifiers, counts, and sizes. See "WARN64"
• q_eg, q_test: change tail +3 to tail -n +3 [N. Dubray, M. Atzeri]
• Qhull-go.bat: Changed 'cmd' to '%comspec%'

Build changes

• Added src/libqhull/Makefile for simple gcc build of executables and lib
• qhulltest.vcproj: Replaced full path to QT with $QTDIR (e.g., c:/qt/4.7.4)
• Split userprintf_rbox.c from userprintf.c, Otherwise qhull brings in rboxlib and rbox brings in libqhull
• Makefile: qhullx target must be after LIBQHULLS_OBJS
• Makefile: Explicitly list rbox dependencies for qhullx target
• MBorland: Fixed tabs
• Placed $LIBQHULLS_OBJS in same order. Frequently called ones together.
• Update file lists for Make-config.sh [O. Lahaye]
• CMakeLists: add README.txt,etc. to DOC_INSTALL_DIR [M. Atzeri]
• Restored qhull.h-deprecated. qhull.h conflicts with Qhull.h on Windows systems [C. Abela]
• make-config.sh: Add warning that it is out-of-date
• Remove extra space in '#! /bin/sh' in q_eg, etc. [P. Cheeseman]

Source changes

• libqhull.h: Added qh_True and qh_False for True/False [A. Mutzel] Did not remove or replace True/False since it is used everywhere
• Moved error message from qh_argv_to_command to caller. Avoids dependency.
• user_eg3.c: Use '10 D2' as default rbox (e.g., 'user_eg3 rbox qhull d')
• user.c, user_eg2.c: Add test of qh_qh as done in user_eg.c
• q_test: Removed duplicate test of qhull C-0.02

Documentation

• index.html: Added ACM Authorizer link to ACM Trans. Math. Software
• Split Delaunay and Voronoi FAQs
• FAQ: How to compute the volume of a Voronoi region [C, Brinch]
• Add 'FS' to qconvex prompt (total area and volume)
• Add clarification to 'Fv' about corner input sites [O. Can]
• Qhull-go.bat: Removed out-of-date advice. Added title.
• qh-code.htm: Updated the discussion of multi-threading for C++ [I. Pirwani]