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multishift conjugate gradient added and a strong test: take a diagonal

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but non-identity matrix
l1 0  0  0 ....
0  l2 0  0 ....
0  0  l3 0 ...
.  .   .
.  .   .
.  .   .

And apply the multishift CG to it. Sum the poles and residues.
Insist that this be the same as the exactly taken square root
where l1,l2,l3 >= 0.
This commit is contained in:
Azusa Yamaguchi
2015-06-08 11:52:44 +01:00
parent 351c2905f5
commit 8688ff8b3a
11 changed files with 453 additions and 54 deletions
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1
tests/Test_wilson_cg_unprec.cc
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@ -20,7 +20,6 @@ int main (int argc, char ** argv)
{
Grid_init(&argc,&argv);
std::vector<int> latt_size = GridDefaultLatt();
std::vector<int> simd_layout = GridDefaultSimd(Nd,vComplexF::Nsimd());
std::vector<int> mpi_layout = GridDefaultMpi();