On Monday 27 Nov 2006 03:43, Stephen Torri wrote:
> At the link below you can grab the chord generation program that I
> developed for the source code provided by Dr. Radicioni. She created
> the original program as a part of her disseration work. It created
> all possible chords for a given scale. I took that work and cleaned
> up its structure from its original C.
I'd just like to acknowledge this and remark that it looks interesting,
but I'm not a guitarist at all and probably have next to no ability to
comment usefully on it. Any comments from our resident guitar players?
I saved off the tarball and tried building it, and got
In file included from Data_Structure.hpp:12,
from Data_Structure.cpp:1:
Hash_Map.hpp:6:26: ext/hash_fun.h: No such file or directory
This is clearly related to the recent questions about hash functions,
but I don't recall where ext/hash_fun.h should be coming from. (I'm
using g++ 3.3.5 on Debian if it matters.)
Probably irrelevant, but had I been here when that thread was active I'd
probably have suggested forgetting about hashes and using the obvious
std::map with string keys, until and unless you can demonstrate that
there is a difference in performance and that it actually matters.
(Remembering that the time taken to generate a hash of a string key may
be just as much as that to find the string in a tree-based map,
depending on the size of the map and the length and other properties of
the keys -- and neither is very likely to figure in your overall
runtime unless you do an awful lot of lookups.)
Chris
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