1 #include <petsc/private/fortranimpl.h> 2 #include <petscmat.h> 3 4 #if defined(PETSC_HAVE_FORTRAN_CAPS) 5 #define matshellsetoperation_ MATSHELLSETOPERATION 6 #define matcreateshell_ MATCREATESHELL 7 #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) 8 #define matcreateshell_ matcreateshell 9 #define matshellsetoperation_ matshellsetoperation 10 #endif 11 12 /** 13 * Subset of MatOperation that is supported by the Fortran wrappers. 14 */ 15 enum FortranMatOperation { 16 FORTRAN_MATOP_MULT = 0, 17 FORTRAN_MATOP_MULT_ADD = 1, 18 FORTRAN_MATOP_MULT_TRANSPOSE = 2, 19 FORTRAN_MATOP_MULT_TRANSPOSE_ADD = 3, 20 FORTRAN_MATOP_SOR = 4, 21 FORTRAN_MATOP_TRANSPOSE = 5, 22 FORTRAN_MATOP_GET_DIAGONAL = 6, 23 FORTRAN_MATOP_DIAGONAL_SCALE = 7, 24 FORTRAN_MATOP_ZERO_ENTRIES = 8, 25 FORTRAN_MATOP_AXPY = 9, 26 FORTRAN_MATOP_SHIFT = 10, 27 FORTRAN_MATOP_DIAGONAL_SET = 11, 28 FORTRAN_MATOP_DESTROY = 12, 29 FORTRAN_MATOP_VIEW = 13, 30 FORTRAN_MATOP_GET_VECS = 14, 31 FORTRAN_MATOP_GET_DIAGONAL_BLOCK = 15, 32 FORTRAN_MATOP_SIZE = 16 33 }; 34 35 /* 36 The MatShell Matrix Vector product requires a C routine. 37 This C routine then calls the corresponding Fortran routine that was 38 set by the user. 39 */ 40 PETSC_EXTERN void PETSC_STDCALL matcreateshell_(MPI_Comm *comm,PetscInt *m,PetscInt *n,PetscInt *M,PetscInt *N,void *ctx,Mat *mat,PetscErrorCode *ierr) 41 { 42 *ierr = MatCreateShell(MPI_Comm_f2c(*(MPI_Fint*)&*comm),*m,*n,*M,*N,ctx,mat); 43 } 44 45 static PetscErrorCode ourmult(Mat mat,Vec x,Vec y) 46 { 47 PetscErrorCode ierr = 0; 48 49 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT]))(&mat,&x,&y,&ierr); 50 return ierr; 51 } 52 53 static PetscErrorCode ourmultadd(Mat mat,Vec x,Vec y,Vec z) 54 { 55 PetscErrorCode ierr = 0; 56 57 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_ADD]))(&mat,&x,&y,&z,&ierr); 58 return ierr; 59 } 60 61 static PetscErrorCode ourmulttranspose(Mat mat,Vec x,Vec y) 62 { 63 PetscErrorCode ierr = 0; 64 65 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE]))(&mat,&x,&y,&ierr); 66 return ierr; 67 } 68 69 static PetscErrorCode ourmulttransposeadd(Mat mat,Vec x,Vec y,Vec z) 70 { 71 PetscErrorCode ierr = 0; 72 73 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE_ADD]))(&mat,&x,&y,&z,&ierr); 74 return ierr; 75 } 76 77 static PetscErrorCode oursor(Mat mat,Vec b,PetscReal omega,MatSORType flg,PetscReal shift,PetscInt its,PetscInt lits,Vec x) 78 { 79 PetscErrorCode ierr = 0; 80 81 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,PetscReal*,MatSORType*,PetscReal*,PetscInt*,PetscInt*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_SOR]))(&mat,&b,&omega,&flg,&shift,&its,&lits,&x,&ierr); 82 return ierr; 83 } 84 85 static PetscErrorCode ourtranspose(Mat mat,MatReuse reuse,Mat *B) 86 { 87 PetscErrorCode ierr = 0; 88 Mat *b = (!B ? (Mat *) PETSC_NULL_OBJECT_Fortran : B); 89 90 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,MatReuse*,Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_TRANSPOSE]))(&mat,&reuse,b,&ierr); 91 return ierr; 92 } 93 94 static PetscErrorCode ourgetdiagonal(Mat mat,Vec x) 95 { 96 PetscErrorCode ierr = 0; 97 98 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL]))(&mat,&x,&ierr); 99 return ierr; 100 } 101 102 static PetscErrorCode ourdiagonalscale(Mat mat,Vec l,Vec r) 103 { 104 PetscErrorCode ierr = 0; 105 Vec *a = (!l ? (Vec*) PETSC_NULL_OBJECT_Fortran : &l); 106 Vec *b = (!r ? (Vec*) PETSC_NULL_OBJECT_Fortran : &r); 107 108 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SCALE]))(&mat,a,b,&ierr); 109 return ierr; 110 } 111 112 static PetscErrorCode ourzeroentries(Mat mat) 113 { 114 PetscErrorCode ierr = 0; 115 116 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_ZERO_ENTRIES]))(&mat,&ierr); 117 return ierr; 118 } 119 120 static PetscErrorCode ouraxpy(Mat mat,PetscScalar a,Mat X,MatStructure str) 121 { 122 PetscErrorCode ierr = 0; 123 124 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscScalar*,Mat*,MatStructure*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_AXPY]))(&mat,&a,&X,&str,&ierr); 125 return ierr; 126 } 127 128 static PetscErrorCode ourshift(Mat mat,PetscScalar a) 129 { 130 PetscErrorCode ierr = 0; 131 132 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscScalar*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_SHIFT]))(&mat,&a,&ierr); 133 return ierr; 134 } 135 136 static PetscErrorCode ourdiagonalset(Mat mat,Vec x,InsertMode ins) 137 { 138 PetscErrorCode ierr = 0; 139 140 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,InsertMode*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SET]))(&mat,&x,&ins,&ierr); 141 return ierr; 142 } 143 144 static PetscErrorCode ourdestroy(Mat mat) 145 { 146 PetscErrorCode ierr = 0; 147 148 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DESTROY]))(&mat,&ierr); 149 return ierr; 150 } 151 152 static PetscErrorCode ourview(Mat mat,PetscViewer v) 153 { 154 PetscErrorCode ierr = 0; 155 156 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscViewer*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_VIEW]))(&mat,&v,&ierr); 157 return ierr; 158 } 159 160 static PetscErrorCode ourgetvecs(Mat mat,Vec *l,Vec *r) 161 { 162 PetscErrorCode ierr = 0; 163 Vec *a = (!l ? (Vec *) PETSC_NULL_OBJECT_Fortran : l); 164 Vec *b = (!r ? (Vec *) PETSC_NULL_OBJECT_Fortran : r); 165 166 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_VECS]))(&mat,a,b,&ierr); 167 return ierr; 168 } 169 170 static PetscErrorCode ourgetdiagonalblock(Mat mat,Mat *l) 171 { 172 PetscErrorCode ierr = 0; 173 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL_BLOCK]))(&mat,l,&ierr); 174 return ierr; 175 } 176 177 PETSC_EXTERN void PETSC_STDCALL matshellsetoperation_(Mat *mat,MatOperation *op,PetscErrorCode (PETSC_STDCALL *f)(Mat*,Vec*,Vec*,PetscErrorCode*),PetscErrorCode *ierr) 178 { 179 MPI_Comm comm; 180 181 *ierr = PetscObjectGetComm((PetscObject) *mat,&comm);if (*ierr) return; 182 PetscObjectAllocateFortranPointers(*mat,FORTRAN_MATOP_SIZE); 183 184 switch (*op) { 185 case MATOP_MULT: 186 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmult); 187 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT] = (PetscVoidFunction) f; 188 break; 189 case MATOP_MULT_ADD: 190 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmultadd); 191 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_ADD] = (PetscVoidFunction) f; 192 break; 193 case MATOP_MULT_TRANSPOSE: 194 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmulttranspose); 195 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE] = (PetscVoidFunction) f; 196 break; 197 case MATOP_MULT_TRANSPOSE_ADD: 198 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmulttransposeadd); 199 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE_ADD] = (PetscVoidFunction) f; 200 break; 201 case MATOP_SOR: 202 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) oursor); 203 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SOR] = (PetscVoidFunction) f; 204 break; 205 case MATOP_TRANSPOSE: 206 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourtranspose); 207 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_TRANSPOSE] = (PetscVoidFunction) f; 208 break; 209 case MATOP_GET_DIAGONAL: 210 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetdiagonal); 211 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL] = (PetscVoidFunction) f; 212 break; 213 case MATOP_DIAGONAL_SCALE: 214 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdiagonalscale); 215 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SCALE] = (PetscVoidFunction) f; 216 break; 217 case MATOP_ZERO_ENTRIES: 218 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourzeroentries); 219 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_ZERO_ENTRIES] = (PetscVoidFunction) f; 220 break; 221 case MATOP_AXPY: 222 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ouraxpy); 223 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_AXPY] = (PetscVoidFunction) f; 224 break; 225 case MATOP_SHIFT: 226 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourshift); 227 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SHIFT] = (PetscVoidFunction) f; 228 break; 229 case MATOP_DIAGONAL_SET: 230 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdiagonalset); 231 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SET] = (PetscVoidFunction) f; 232 break; 233 case MATOP_DESTROY: 234 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdestroy); 235 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DESTROY] = (PetscVoidFunction) f; 236 break; 237 case MATOP_VIEW: 238 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourview); 239 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_VIEW] = (PetscVoidFunction) f; 240 break; 241 case MATOP_GET_VECS: 242 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetvecs); 243 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_VECS] = (PetscVoidFunction) f; 244 break; 245 case MATOP_GET_DIAGONAL_BLOCK: 246 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetdiagonalblock); 247 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL_BLOCK] = (PetscVoidFunction) f; 248 break; 249 default: 250 PetscError(comm,__LINE__,"MatShellSetOperation_Fortran",__FILE__,PETSC_ERR_ARG_WRONG,PETSC_ERROR_INITIAL,"Cannot set that matrix operation"); 251 *ierr = 1; 252 } 253 } 254