[vorbis-dev] Borland Builder

[Chris Craig]

The following modification is needed in os.h to compile under
C++Builder.  It has the alloca prototype in malloc.h.

#ifndef __GNUC__
#ifdef _WIN32
#  ifdef __BORLANDC__
#    include <malloc.h>
#  else
#    define alloca(x) (_alloca(x))
#  endif
#  define rint(x)   (floor((x)+0.5))
#endif
#endif

Encoding a full range pure tone (500Hz) seems to cause a domain error
in sqrt().  Can anyone confirm that under Linux?

Chris

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