Re: Loop-free submatrix extraction

Peter Gottschling <[email protected]> Thu, 27 Dec 2007 13:18:36 +0100
Newsgroups gmane.comp.lib.mtl.devel
Message-ID <[email protected]>
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Hi Michael,

Thank you for reminding me on that.  I thought I already fixed that.   
Early January I hope finding the time for that.

Cheers,

Peter

On Dec 26, 2007, at 8:44 PM, Michael Smolsky wrote:

> Peter,
>
> I seem to be unable to say
>
> result += op1 * transposed_view <const M> (op2),
>
> where op1, op2, result are of the type dense2D<double> and M is a  
> typedef for dense2D<double>.
>
> The compiler barks at the absense of a type named type in struct  
> mtl::traits::mult_result<compressed2D<...>,  
> mtl::transposed_view<compressed2D<..> > >.
>
> The code, that tests a product of a dense and a transposed matrix  
> seems to be commented out from matrix_product_test.cpp.
>
> Does MTL support calculation of the product of a transposed and  
> dense matrix?
>
> Thank you,
>
> Michael
>
> --
> Got No Time? Shop Online for Great Gift Ideas!
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> _______________________________________________
> This list is archived at http://www.osl.iu.edu/MailArchives/mtl-devel/

------------
Peter Gottschling
Research Associate
Open Systems Laboratory
Indiana University
135 Lindley Hall
Bloomington, IN 47405
Tel.: +1-812-855-3608   Fax: +1-812-856-0853
http://www.osl.iu.edu/~pgottsch



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<html><body style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; ">
Hi Michael,<div><br class=3D"webkit-block-placeholder"></div><div>Thank =
you for reminding me on that. =A0I thought I already fixed that. =A0Early =
January I hope finding the time for that.</div><div><br =
class=3D"webkit-block-placeholder"></div><div>Cheers,</div><div><br =
class=3D"webkit-block-placeholder"></div><div>Peter</div><div><br><div><di=
v>On Dec 26, 2007, at 8:44 PM, Michael Smolsky wrote:</div><br =
class=3D"Apple-interchange-newline"><blockquote =
type=3D"cite">Peter,<br><br>I seem to be unable to say<br><br>result +=3D =
op1 * transposed_view &lt;const M&gt; (op2),<br><br>where op1, op2, =
result are of the type dense2D&lt;double&gt; and M is a typedef for =
dense2D&lt;double&gt;.<br><br>The compiler barks at the absense of a =
type named type in struct =
mtl::traits::mult_result&lt;compressed2D&lt;...&gt;, =
mtl::transposed_view&lt;compressed2D&lt;..&gt; &gt; &gt;.<br><br>The =
code, that tests a product of a dense and a transposed matrix seems to =
be commented out from matrix_product_test.cpp.<br><br>Does MTL support =
calculation of the product of a transposed and dense =
matrix?<br><br>Thank you,<br><br>Michael<br><br> -- <div> Got No Time? =
Shop Online for <a href=3D"http://mail.shopping.com/?linkin_id=3D8033174" =
target=3D"_blank"> <b> Great Gift Ideas!</b></a><br> mail.com =
Shopping</div><div style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; =
">_______________________________________________</div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; ">This list is archived at <a =
href=3D"http://www.osl.iu.edu/MailArchives/mtl-devel/">http://www.osl.iu.e=
du/MailArchives/mtl-devel/</a></div> </blockquote></div><br><div> <span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
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-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><p style=3D"margin: =
0.0px 0.0px 0.0px 0.0px"><font face=3D"Helvetica" size=3D"3" =
style=3D"font: 12.0px Helvetica">------------</font></p><p =
style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font face=3D"Helvetica" =
size=3D"3" style=3D"font: 12.0px Helvetica">Peter =
Gottschling</font></p><p style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font =
face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px Helvetica">Research =
Associate</font></p><p style=3D"margin: 0.0px 0.0px 0.0px 0.0px"><font =
face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px Helvetica">Open =
Systems Laboratory</font></p><p style=3D"margin: 0.0px 0.0px 0.0px =
0.0px"><font face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px =
Helvetica">Indiana University</font></p><p style=3D"margin: 0.0px 0.0px =
0.0px 0.0px"><font face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px =
Helvetica">135 Lindley Hall</font></p><p style=3D"margin: 0.0px 0.0px =
0.0px 0.0px"><font face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px =
Helvetica">Bloomington, IN 47405</font></p><p style=3D"margin: 0.0px =
0.0px 0.0px 0.0px"><font face=3D"Helvetica" size=3D"3" style=3D"font: =
12.0px Helvetica">Tel.: +1-812-855-3608<span =
class=3D"Apple-converted-space">=A0</span><span =
class=3D"Apple-converted-space">=A0<span =
class=3D"Apple-converted-space">=A0</span></span>Fax: =
+1-812-856-0853</font></p><p style=3D"margin: 0.0px 0.0px 0.0px =
0.0px"><font face=3D"Helvetica" size=3D"3" style=3D"font: 12.0px =
Helvetica"><a =
href=3D"http://www.osl.iu.edu/~pgottsch">http://www.osl.iu.edu/~pgottsch</=
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