File: notes.txt

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General information:

 - the workspace RDCode.dsw should contain all projects

 - the magic for copying files in the post-build step is something
   like this:
     copy Release\cAlgorithms.pyd $(RDBASE)\Python\ML\Cluster
   i.e. you *can* reference environment variables

Things to remember whilst writing extension modules:

 - don't forget to update the include and link paths and turn off
   precompiled headers (unless you are really using them)
 
 - don't forget to initialize Numeric

 - interaction with Numeric data is most easily done using this paradigm:
   accum += ((double *)origMetricsContig->data)[(p2*(p2-1))/2+p1];
   ((double *)newMetricMat->data)[tempIdx] = accum;

 - when programming the windows, it's useful to use the XXX_API methods that
   microsoft's wizard provides for DLLs.  These do, however, need to
   have extern "C" added to them, so you get something like this in
   your .h file:
#ifdef WIN32
#ifdef CALGORITHMS_EXPORTS
#define CALGORITHMS_API extern "C" __declspec(dllexport)
#else
#define CALGORITHMS_API extern "C" __declspec(dllimport)
#endif
#include <windows.h>
#else  // WIN32
#define CALGORITHMS_API extern "C"
#endif

   you'll also need to include the magic DLLMain foo in your .cpp
   file:
#ifdef WIN32
BOOL APIENTRY DllMain( HANDLE hModule, 
                       DWORD  ul_reason_for_call, 
                       LPVOID lpReserved
					 )
{
    switch (ul_reason_for_call)
	{
		case DLL_PROCESS_ATTACH:
		case DLL_THREAD_ATTACH:
		case DLL_THREAD_DETACH:
		case DLL_PROCESS_DETACH:
			break;
    }
    return TRUE;
}
#endif