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block.h
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block.h
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/***********************************************************************
*
* Copyright (C) 2008 Albert Deuzeman, Siebren Reker, Carsten Urbach
* 2010 Claude Tadonki, Carsten Urbach
*
* This file is part of tmLQCD.
*
* tmLQCD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* tmLQCD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with tmLQCD. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************/
#ifndef _BLOCK_H
#define _BLOCK_H
#include "su3.h"
#include "su3spinor.h"
_Complex double * little_A;
_Complex float * little_A32;
_Complex double * little_A_eo;
_Complex float * little_A32_eo;
typedef struct {
/**** Data members ****/
int volume; /* the block local 4 volume */
int id; /* mpilocal block id */
int BLX, BLY, BLZ, BT; /* block local sizes */
int ns; /* the number of basis fields, which is needed almost everywhere */
int coordinate[4]; /* global block coordinate */
int mpilocal_coordinate[4]; /* mpi process local coordinate */
int mpilocal_neighbour[8]; /* contains the block id of mpilocal neighbours, or -1 if non-mpilocal */
int *idx; /* provides the next neighbours for spinors on the block */
int *evenidx; /* provides the next neighbours for spinors on the block even/odd case */
int *oddidx; /* provides the next neighbours for spinors on the block even/odd case */
spinor **basis; /* generated orthonormal basis for little D [Ns x local_volume] */
su3 * u; /* block local gauge field, for use in D */
int spinpad; /* number of elements needed to store the boundaries of the spinor */
int evenodd; /* block even or odd (0 or 1) */
/* storage will be g_Ns x (9 * g_Ns) */
/* build_little_diraclocal g_Ns x g_Ns block first (the diagonal part) */
/* then +t, -t, +x, -x, +y, -y, +z, -z */
_Complex double *little_dirac_operator; /* full dense representation of the little D */
_Complex float *little_dirac_operator32;
_Complex double *little_dirac_operator_eo; /* full dense representation of the little D in e/o order */
} block;
int init_blocks(const int nt, const int nx, const int ny, const int nz);
int free_blocks();
int init_blocks_gaugefield();
int init_blocks_eo_gaugefield();
void copy_global_to_block(spinor * const blockfield, spinor * const globalfield, const int blk);
void copy_block_to_global(spinor * const globalfield, spinor * const blockfield, const int blk);
void copy_global_to_block_eo(spinor * const beven, spinor * const bodd, spinor * const globalfield, const int blk);
void copy_block_eo_to_global(spinor * const globalfield, spinor * const beven, spinor * const bodd, const int blk);
void add_block_to_global(spinor * const globalfield, spinor * const blockfield, const int blk);
void add_eo_block_to_global(spinor * const globalfield, spinor * const beven, spinor * const bodd, const int blk);
void block_convert_lexic_to_eo(spinor * const s, spinor * const r, spinor * const P);
void block_convert_eo_to_lexic(spinor * const P, spinor * const s, spinor * const r);
void block_orthonormalize(block *parent);
void block_orthonormalize_free(block *parent);
void compute_little_D();
void compute_little_D_diagonal();
void alt_block_compute_little_D();
extern int dfl_field_iter;
extern int dfl_poly_iter;
int nb_blocks;
int nblks_t;
int nblks_x;
int nblks_y;
int nblks_z;
int nblks_dir[4];
int blk_gauge_eo;
void reconstruct_global_field_GEN(spinor * const rec_field, spinor ** const psi, int nb_blocks);
void reconstruct_global_field_GEN_ID(spinor * const rec_field, block * const block_list, const int id, const int nb_blocks);
int split_global_field_GEN(spinor ** const psi, spinor * const field, int nb_blocks);
int split_global_field_GEN_ID(block * const block_list, const int id, spinor * const field, const int nb_blocks);
/* Functions for index manipulation related to blocks, C. Tadonki */
int index_a(int t, int x, int y, int z);
int index_b(int t, int x, int y, int z);
int block_index(int t, int x, int y, int z);
extern block * block_list;
#endif