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On 12-04-08 11:25 AM, dave fournier wrote:<br>
<br>
There is one gotcha with the newer versions of gcc<br>
For some reason you can get unsatisfied references in the gls stuff.
To fix this<br>
you need to use a linker option --no-as-needed. to pass this option
using the gcc shell<br>
you need to use the -Xlinker flag as in<br>
<br>
<br>
-Xlinker --no-as-needed -lgsl -lgslcblas<br>
<br>
<br>
<br>
<br>
<br>
<blockquote cite="mid:4F81D82E.1050503@otter-rsch.com" type="cite">There
is a quasi newton minimizer in the GSL. It appears to use the
BLAS for the
<br>
vector matrix calculations involved in the quasi newton calcs.
That could lead to an
<br>
easy path for using a GPU. I wrote a little test program to see
how it works.
<br>
<br>
The next step is to interface it with the autodif stuff to compare
it to the code in newfmin
<br>
using automatic differentiation. That should not be very hard. I
hope it doesn't suck.
<br>
<br>
example is attached.
<br>
<br>
I trust this is more interesting than discussions on organizing
organizing.
<br>
<br>
<br>
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