Re: Cell support for deblank

[David Bateman]

Keith Goodman wrote:

> Understood. But a "which -all" is still very useful if anyone feels
> like making one.
>
>  
Its not  that difficult to implement a simple version of "which -all". 
One of the advantages of octave over its close source competitors is 
that with the source being open, the users can propose a patch for the 
feature they want, and in all likelihood see this patch included in a 
very short delay. That's how open source programs become more feature 
rich...

As for "which -all" there is one complication. The octave dispatch 
function allows function overloading in a manner similar but different 
to matlab classes. Strictly speaking "which -all <fun>" should also 
return all of the overloaded functions of <fun> as well with an 
indication of the type they are used for. Consider

octave:1> dispatch("inv")
Overloaded function inv
inv(galois,...)->ginv(galois,...)
inv(sparse bool matrix,...)->spinv(sparse bool matrix,...)
inv(sparse complex matrix,...)->spinv(sparse complex matrix,...)
inv(sparse matrix,...)->spinv(sparse matrix,...)

Therefore "which -all inv" for me should return

/opt/octave-2.9/libexec/octave/2.9.3/site/oct/i686-pc-linux-gnu/octave-forge/ginv.oct 
# galois
/opt/octave-2.9/libexec/octave/2.9.3/oct/i686-pc-linux-gnu/spinv.oct  # 
sparse bool matrix
/opt/octave-2.9/libexec/octave/2.9.3/oct/i686-pc-linux-gnu/spinv.oct  # 
sparse complex matrix 
/opt/octave-2.9/libexec/octave/2.9.3/oct/i686-pc-linux-gnu/spinv.oct  # 
sparse matrix
inv is a built-in function

Its not clear to me the best way to treat that case....

D.

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David Bateman                                address@hidden
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