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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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6
tests/Make.inc
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@ -1,5 +1,5 @@
bin_PROGRAMS = Test_GaugeAction Test_cayley_cg Test_cayley_even_odd Test_contfrac_cg Test_contfrac_even_odd Test_cshift Test_cshift_red_black Test_dwf_cg_prec Test_dwf_cg_schur Test_dwf_cg_unprec Test_dwf_even_odd Test_gamma Test_main Test_nersc_io Test_remez Test_rng Test_rng_fixed Test_simd Test_stencil Test_wilson_cg_prec Test_wilson_cg_schur Test_wilson_cg_unprec Test_wilson_even_odd
bin_PROGRAMS = Test_GaugeAction Test_cayley_cg Test_cayley_even_odd Test_contfrac_cg Test_contfrac_even_odd Test_cshift Test_cshift_red_black Test_dwf_cg_prec Test_dwf_cg_schur Test_dwf_cg_unprec Test_dwf_even_odd Test_gamma Test_main Test_multishift_sqrt Test_nersc_io Test_remez Test_rng Test_rng_fixed Test_simd Test_stencil Test_wilson_cg_prec Test_wilson_cg_schur Test_wilson_cg_unprec Test_wilson_even_odd
Test_GaugeAction_SOURCES=Test_GaugeAction.cc
@ -54,6 +54,10 @@ Test_main_SOURCES=Test_main.cc
Test_main_LDADD=-lGrid
Test_multishift_sqrt_SOURCES=Test_multishift_sqrt.cc
Test_multishift_sqrt_LDADD=-lGrid
Test_nersc_io_SOURCES=Test_nersc_io.cc
Test_nersc_io_LDADD=-lGrid