- dave's speed-up gc trick for lat2W
- dave's speed-up gc trick for lat2W

Alwnikrotikz/pysal,pombreda/pysal,Alwnikrotikz/pysal,pombreda/pysal,google-code-export/pysal,tectronics/pysal,AlanZatarain/pysal,Alwnikrotikz/pysal,pombreda/pysal,AlanZatarain/pysal,pombreda/pysal,google-code-export/pysal,google-code-export/pysal,AlanZatarain/pysal,tectronics/pysal,google-code-export/pysal,tectronics/pysal