[eigen] help: setNbThreads(12) doesn't work.

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I set the number thread in the programm by api  setNbThreads(12), but the out of the number is still "1" 

cout<<" the number of thread "<<Eigen::nbThreads( )<<endl;
On 9/8/2020 22:18Janek Kozicki (yade)<jkozicki-yade@xxxxxxxxx> wrote:
ztdepyahoo said:     (by the date of Tue, 8 Sep 2020 07:31:30 +0800)

…… exact solution of "cos(6*Pi*x)*cos(6*Pi*y)"

Wow, it looks like this is a nice test case with an exact solution.
Maybe it's worthwhile to add this to eigen tests?


Janek Kozicki, PhD. DSc. Arch. Assoc. Prof.
Gdańsk University of Technology
Faculty of Applied Physics and Mathematics
Department of Theoretical Physics and Quantum Information
http://pg.edu.pl/jkozicki (click English flag on top right)

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