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_COPY = 16, 33 FORTRAN_MATOP_SCALE = 17, 34 FORTRAN_MATOP_SIZE = 18, 35 FORTRAN_MATOP_SET_RANDOM = 19 36 }; 37 38 /* 39 The MatShell Matrix Vector product requires a C routine. 40 This C routine then calls the corresponding Fortran routine that was 41 set by the user. 42 */ 43 PETSC_EXTERN void PETSC_STDCALL matcreateshell_(MPI_Comm *comm,PetscInt *m,PetscInt *n,PetscInt *M,PetscInt *N,void *ctx,Mat *mat,PetscErrorCode *ierr) 44 { 45 *ierr = MatCreateShell(MPI_Comm_f2c(*(MPI_Fint*)&*comm),*m,*n,*M,*N,ctx,mat); 46 } 47 48 static PetscErrorCode ourmult(Mat mat,Vec x,Vec y) 49 { 50 PetscErrorCode ierr = 0; 51 52 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT]))(&mat,&x,&y,&ierr); 53 return ierr; 54 } 55 56 static PetscErrorCode ourmultadd(Mat mat,Vec x,Vec y,Vec z) 57 { 58 PetscErrorCode ierr = 0; 59 60 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_ADD]))(&mat,&x,&y,&z,&ierr); 61 return ierr; 62 } 63 64 static PetscErrorCode ourmulttranspose(Mat mat,Vec x,Vec y) 65 { 66 PetscErrorCode ierr = 0; 67 68 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE]))(&mat,&x,&y,&ierr); 69 return ierr; 70 } 71 72 static PetscErrorCode ourmulttransposeadd(Mat mat,Vec x,Vec y,Vec z) 73 { 74 PetscErrorCode ierr = 0; 75 76 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE_ADD]))(&mat,&x,&y,&z,&ierr); 77 return ierr; 78 } 79 80 static PetscErrorCode oursor(Mat mat,Vec b,PetscReal omega,MatSORType flg,PetscReal shift,PetscInt its,PetscInt lits,Vec x) 81 { 82 PetscErrorCode ierr = 0; 83 84 (*(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); 85 return ierr; 86 } 87 88 static PetscErrorCode ourtranspose(Mat mat,MatReuse reuse,Mat *B) 89 { 90 PetscErrorCode ierr = 0; 91 Mat *b = (!B ? (Mat *) PETSC_NULL_OBJECT_Fortran : B); 92 93 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,MatReuse*,Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_TRANSPOSE]))(&mat,&reuse,b,&ierr); 94 return ierr; 95 } 96 97 static PetscErrorCode ourgetdiagonal(Mat mat,Vec x) 98 { 99 PetscErrorCode ierr = 0; 100 101 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL]))(&mat,&x,&ierr); 102 return ierr; 103 } 104 105 static PetscErrorCode ourdiagonalscale(Mat mat,Vec l,Vec r) 106 { 107 PetscErrorCode ierr = 0; 108 Vec *a = (!l ? (Vec*) PETSC_NULL_OBJECT_Fortran : &l); 109 Vec *b = (!r ? (Vec*) PETSC_NULL_OBJECT_Fortran : &r); 110 111 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SCALE]))(&mat,a,b,&ierr); 112 return ierr; 113 } 114 115 static PetscErrorCode ourzeroentries(Mat mat) 116 { 117 PetscErrorCode ierr = 0; 118 119 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_ZERO_ENTRIES]))(&mat,&ierr); 120 return ierr; 121 } 122 123 static PetscErrorCode ouraxpy(Mat mat,PetscScalar a,Mat X,MatStructure str) 124 { 125 PetscErrorCode ierr = 0; 126 127 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscScalar*,Mat*,MatStructure*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_AXPY]))(&mat,&a,&X,&str,&ierr); 128 return ierr; 129 } 130 131 static PetscErrorCode ourshift(Mat mat,PetscScalar a) 132 { 133 PetscErrorCode ierr = 0; 134 135 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscScalar*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_SHIFT]))(&mat,&a,&ierr); 136 return ierr; 137 } 138 139 static PetscErrorCode ourdiagonalset(Mat mat,Vec x,InsertMode ins) 140 { 141 PetscErrorCode ierr = 0; 142 143 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,InsertMode*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SET]))(&mat,&x,&ins,&ierr); 144 return ierr; 145 } 146 147 static PetscErrorCode ourdestroy(Mat mat) 148 { 149 PetscErrorCode ierr = 0; 150 151 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_DESTROY]))(&mat,&ierr); 152 return ierr; 153 } 154 155 static PetscErrorCode ourview(Mat mat,PetscViewer v) 156 { 157 PetscErrorCode ierr = 0; 158 159 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscViewer*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_VIEW]))(&mat,&v,&ierr); 160 return ierr; 161 } 162 163 static PetscErrorCode ourgetvecs(Mat mat,Vec *l,Vec *r) 164 { 165 PetscErrorCode ierr = 0; 166 Vec *a = (!l ? (Vec *) PETSC_NULL_OBJECT_Fortran : l); 167 Vec *b = (!r ? (Vec *) PETSC_NULL_OBJECT_Fortran : r); 168 169 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Vec*,Vec*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_VECS]))(&mat,a,b,&ierr); 170 return ierr; 171 } 172 173 static PetscErrorCode ourgetdiagonalblock(Mat mat,Mat *l) 174 { 175 PetscErrorCode ierr = 0; 176 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Mat*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL_BLOCK]))(&mat,l,&ierr); 177 return ierr; 178 } 179 180 static PetscErrorCode ourcopy(Mat mat,Mat B,MatStructure str) 181 { 182 PetscErrorCode ierr = 0; 183 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,Mat*,MatStructure*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_COPY]))(&mat,&B,&str,&ierr); 184 return ierr; 185 } 186 187 static PetscErrorCode ourscale(Mat mat,PetscScalar a) 188 { 189 PetscErrorCode ierr = 0; 190 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscScalar*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_SCALE]))(&mat,&a,&ierr); 191 return ierr; 192 } 193 194 static PetscErrorCode oursetrandom(Mat mat,PetscRandom ctx) 195 { 196 PetscErrorCode ierr = 0; 197 (*(PetscErrorCode (PETSC_STDCALL *)(Mat*,PetscRandom*,PetscErrorCode*))(((PetscObject) mat)->fortran_func_pointers[FORTRAN_MATOP_SET_RANDOM]))(&mat,&ctx,&ierr); 198 return ierr; 199 } 200 201 PETSC_EXTERN void PETSC_STDCALL matshellsetoperation_(Mat *mat,MatOperation *op,PetscErrorCode (PETSC_STDCALL *f)(Mat*,Vec*,Vec*,PetscErrorCode*),PetscErrorCode *ierr) 202 { 203 MPI_Comm comm; 204 205 *ierr = PetscObjectGetComm((PetscObject) *mat,&comm);if (*ierr) return; 206 PetscObjectAllocateFortranPointers(*mat,FORTRAN_MATOP_SIZE); 207 208 switch (*op) { 209 case MATOP_MULT: 210 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmult); 211 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT] = (PetscVoidFunction) f; 212 break; 213 case MATOP_MULT_ADD: 214 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmultadd); 215 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_ADD] = (PetscVoidFunction) f; 216 break; 217 case MATOP_MULT_TRANSPOSE: 218 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmulttranspose); 219 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE] = (PetscVoidFunction) f; 220 break; 221 case MATOP_MULT_TRANSPOSE_ADD: 222 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourmulttransposeadd); 223 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE_ADD] = (PetscVoidFunction) f; 224 break; 225 case MATOP_SOR: 226 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) oursor); 227 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SOR] = (PetscVoidFunction) f; 228 break; 229 case MATOP_TRANSPOSE: 230 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourtranspose); 231 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_TRANSPOSE] = (PetscVoidFunction) f; 232 break; 233 case MATOP_GET_DIAGONAL: 234 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetdiagonal); 235 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL] = (PetscVoidFunction) f; 236 break; 237 case MATOP_DIAGONAL_SCALE: 238 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdiagonalscale); 239 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SCALE] = (PetscVoidFunction) f; 240 break; 241 case MATOP_ZERO_ENTRIES: 242 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourzeroentries); 243 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_ZERO_ENTRIES] = (PetscVoidFunction) f; 244 break; 245 case MATOP_AXPY: 246 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ouraxpy); 247 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_AXPY] = (PetscVoidFunction) f; 248 break; 249 case MATOP_SHIFT: 250 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourshift); 251 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SHIFT] = (PetscVoidFunction) f; 252 break; 253 case MATOP_DIAGONAL_SET: 254 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdiagonalset); 255 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SET] = (PetscVoidFunction) f; 256 break; 257 case MATOP_DESTROY: 258 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourdestroy); 259 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DESTROY] = (PetscVoidFunction) f; 260 break; 261 case MATOP_VIEW: 262 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourview); 263 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_VIEW] = (PetscVoidFunction) f; 264 break; 265 case MATOP_GET_VECS: 266 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetvecs); 267 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_VECS] = (PetscVoidFunction) f; 268 break; 269 case MATOP_GET_DIAGONAL_BLOCK: 270 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourgetdiagonalblock); 271 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL_BLOCK] = (PetscVoidFunction) f; 272 break; 273 case MATOP_COPY: 274 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourcopy); 275 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_COPY] = (PetscVoidFunction) f; 276 break; 277 case MATOP_SCALE: 278 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) ourscale); 279 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SCALE] = (PetscVoidFunction) f; 280 break; 281 case MATOP_SET_RANDOM: 282 *ierr = MatShellSetOperation(*mat,*op,(PetscVoidFunction) oursetrandom); 283 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SET_RANDOM] = (PetscVoidFunction) f; 284 break; 285 default: 286 PetscError(comm,__LINE__,"MatShellSetOperation_Fortran",__FILE__,PETSC_ERR_ARG_WRONG,PETSC_ERROR_INITIAL,"Cannot set that matrix operation"); 287 *ierr = 1; 288 } 289 } 290