Actual source code: pgmresimpl.h
petsc-3.10.5 2019-03-28
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      4: #define KSPGMRES_NO_MACROS
      5:  #include <../src/ksp/ksp/impls/gmres/gmresimpl.h>

      7: typedef struct {
      8:   KSPGMRESHEADER
      9: } KSP_PGMRES;

     11: #define HH(a,b)  (pgmres->hh_origin + (b)*(pgmres->max_k+2)+(a))
     12: /* HH will be size (max_k+2)*(max_k+1)  -  think of HH as
     13:    being stored columnwise for access purposes. */
     14: #define HES(a,b) (pgmres->hes_origin + (b)*(pgmres->max_k+1)+(a))
     15: /* HES will be size (max_k + 1) * (max_k + 1) -
     16:    again, think of HES as being stored columnwise */
     17: #define CC(a)    (pgmres->cc_origin + (a)) /* CC will be length (max_k+1) - cosines */
     18: #define SS(a)    (pgmres->ss_origin + (a)) /* SS will be length (max_k+1) - sines */
     19: #define RS(a)    (pgmres->rs_origin + (a)) /* RS will be length (max_k+2) - rt side */

     21: /* vector names */
     22: #define VEC_OFFSET     2
     23: #define VEC_TEMP       pgmres->vecs[0]               /* work space */
     24: #define VEC_TEMP_MATOP pgmres->vecs[1]               /* work space */
     25: #define VEC_VV(i)      pgmres->vecs[VEC_OFFSET+i]    /* use to access
     26:                                                         othog basis vectors */
     27: #endif