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 32 FORTRAN_MATOP_SIZE = 15 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 PETSC_EXTERN void PETSC_STDCALL matshellsetoperation_(Mat *mat, MatOperation *op, PetscErrorCode (PETSC_STDCALL *f)(Mat*, Vec*, Vec*, PetscErrorCode*), PetscErrorCode *ierr) 171 { 172 MPI_Comm comm; 173 174 *ierr = PetscObjectGetComm((PetscObject) *mat, &comm);if (*ierr) return; 175 PetscObjectAllocateFortranPointers(*mat, FORTRAN_MATOP_SIZE); 176 177 switch (*op) { 178 case MATOP_MULT: 179 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourmult); 180 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT] = (PetscVoidFunction) f; 181 break; 182 case MATOP_MULT_ADD: 183 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourmultadd); 184 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_ADD] = (PetscVoidFunction) f; 185 break; 186 case MATOP_MULT_TRANSPOSE: 187 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourmulttranspose); 188 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE] = (PetscVoidFunction) f; 189 break; 190 case MATOP_MULT_TRANSPOSE_ADD: 191 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourmulttransposeadd); 192 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_MULT_TRANSPOSE_ADD] = (PetscVoidFunction) f; 193 break; 194 case MATOP_SOR: 195 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) oursor); 196 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SOR] = (PetscVoidFunction) f; 197 break; 198 case MATOP_TRANSPOSE: 199 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourtranspose); 200 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_TRANSPOSE] = (PetscVoidFunction) f; 201 break; 202 case MATOP_GET_DIAGONAL: 203 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourgetdiagonal); 204 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_DIAGONAL] = (PetscVoidFunction) f; 205 break; 206 case MATOP_DIAGONAL_SCALE: 207 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourdiagonalscale); 208 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SCALE] = (PetscVoidFunction) f; 209 break; 210 case MATOP_ZERO_ENTRIES: 211 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourzeroentries); 212 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_ZERO_ENTRIES] = (PetscVoidFunction) f; 213 break; 214 case MATOP_AXPY: 215 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ouraxpy); 216 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_AXPY] = (PetscVoidFunction) f; 217 break; 218 case MATOP_SHIFT: 219 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourshift); 220 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_SHIFT] = (PetscVoidFunction) f; 221 break; 222 case MATOP_DIAGONAL_SET: 223 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourdiagonalset); 224 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DIAGONAL_SET] = (PetscVoidFunction) f; 225 break; 226 case MATOP_DESTROY: 227 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourdestroy); 228 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_DESTROY] = (PetscVoidFunction) f; 229 break; 230 case MATOP_VIEW: 231 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourview); 232 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_VIEW] = (PetscVoidFunction) f; 233 break; 234 case MATOP_GET_VECS: 235 *ierr = MatShellSetOperation(*mat, *op, (PetscVoidFunction) ourgetvecs); 236 ((PetscObject)*mat)->fortran_func_pointers[FORTRAN_MATOP_GET_VECS] = (PetscVoidFunction) f; 237 break; 238 default: 239 PetscError(comm, __LINE__, "MatShellSetOperation_Fortran", __FILE__, PETSC_ERR_ARG_WRONG, PETSC_ERROR_INITIAL, "Cannot set that matrix operation"); 240 *ierr = 1; 241 } 242 } 243