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Domain wall fermions now invert ; have the basis set up for

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Tanh/Zolo * (Cayley/PartFrac/ContFrac) * (Mobius/Shamir/Wilson)
Approx        Representation               Kernel.

All are done with space-time taking part in checkerboarding, Ls uncheckerboarded

Have only so far tested the Domain Wall limit of mobius, and at that only checked
that it
i)  Inverts
ii) 5dim DW == Ls copies of 4dim D2
iii) MeeInv Mee == 1
iv) Meo+Mee+Moe+Moo == M unprec.
v) MpcDagMpc is hermitan
vi) Mdag is the adjoint of M between stochastic vectors.

That said, the RB schur solve, RB MpcDagMpc solve, Unprec solve
all converge and the true residual becomes small; so pretty good tests.
This commit is contained in:
Peter Boyle
2015-06-02 16:57:12 +01:00
parent 8bd9fb4427
commit 2583570e17
36 changed files with 1500 additions and 220 deletions
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9
lib/algorithms/approx/Zolotarev.h
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@ -1,7 +1,8 @@
/* -*- Mode: C; comment-column: 22; fill-column: 79; -*- */
#ifdef __cplusplus
extern "C" {
namespace Grid {
namespace Approx {
#endif
#define HVERSION Header Time-stamp: <14-OCT-2004 09:26:51.00 adk@MISSCONTRARY>
@ -76,10 +77,10 @@ typedef struct {
* zolotarev_data structure. The arguments must satisfy the constraints that
* epsilon > 0, n > 0, and type = 0 or 1. */
ZOLOTAREV_DATA* bfm_higham(PRECISION epsilon, int n) ;
ZOLOTAREV_DATA* bfm_zolotarev(PRECISION epsilon, int n, int type);
ZOLOTAREV_DATA* grid_higham(PRECISION epsilon, int n) ;
ZOLOTAREV_DATA* grid_zolotarev(PRECISION epsilon, int n, int type);
#endif
#ifdef __cplusplus
}
}}
#endif