xref: /libCEED/interface/ceed-fortran.c (revision 45918e5c58c4a69b500630c45b5553cd92d8a7c2)
1 // Fortran interface
2 #include <ceed.h>
3 #include <ceed-impl.h>
4 #include <ceed-backend.h>
5 #include <ceed-fortran-name.h>
6 #include <stdlib.h>
7 #include <string.h>
8 
9 #define FORTRAN_REQUEST_IMMEDIATE -1
10 #define FORTRAN_REQUEST_ORDERED -2
11 #define FORTRAN_NULL -3
12 #define FORTRAN_BASIS_COLLOCATED -1
13 #define FORTRAN_VECTOR_ACTIVE -1
14 #define FORTRAN_VECTOR_NONE -2
15 
16 static Ceed *Ceed_dict = NULL;
17 static int Ceed_count = 0;
18 static int Ceed_n = 0;
19 static int Ceed_count_max = 0;
20 
21 // This test should actually be for the gfortran version, but we don't currently
22 // have a configure system to determine that (TODO).  At present, this will use
23 // the smaller integer when run with clang+gfortran=8, for example.  (That is
24 // sketchy, but will likely work for users that don't have huge character
25 // strings.)
26 #if __GNUC__ >= 8
27 typedef size_t fortran_charlen_t;
28 #else
29 typedef int fortran_charlen_t;
30 #endif
31 
32 #define Splice(a, b) a ## b
33 
34 // Fortran strings are generally unterminated and the length is passed as an
35 // extra argument after all the normal arguments.  Some compilers (I only know
36 // of Windows) place the length argument immediately after the string parameter
37 // (TODO).
38 //
39 // We can't just NULL-terminate the string in-place because that could overwrite
40 // other strings or attempt to write to read-only memory.  This macro allocates
41 // a string to hold the null-terminated version of the string that C expects.
42 #define FIX_STRING(stringname)                                          \
43   char Splice(stringname, _c)[1024];                                    \
44   if (Splice(stringname, _len) > 1023)                                  \
45     CeedError(NULL, 1, "Fortran string length too long %zd", (size_t)Splice(stringname, _len)); \
46   strncpy(Splice(stringname, _c), stringname, Splice(stringname, _len)); \
47   Splice(stringname, _c)[Splice(stringname, _len)] = 0;                 \
48 
49 #define fCeedInit FORTRAN_NAME(ceedinit,CEEDINIT)
50 void fCeedInit(const char* resource, int *ceed, int *err,
51                fortran_charlen_t resource_len) {
52   FIX_STRING(resource);
53   if (Ceed_count == Ceed_count_max) {
54     Ceed_count_max += Ceed_count_max/2 + 1;
55     CeedRealloc(Ceed_count_max, &Ceed_dict);
56   }
57 
58   Ceed *ceed_ = &Ceed_dict[Ceed_count];
59   *err = CeedInit(resource_c, ceed_);
60 
61   if (*err == 0) {
62     *ceed = Ceed_count++;
63     Ceed_n++;
64   }
65 }
66 
67 #define fCeedDestroy FORTRAN_NAME(ceeddestroy,CEEDDESTROY)
68 void fCeedDestroy(int *ceed, int *err) {
69   *err = CeedDestroy(&Ceed_dict[*ceed]);
70 
71   if (*err == 0) {
72     Ceed_n--;
73     if (Ceed_n == 0) {
74       CeedFree(&Ceed_dict);
75       Ceed_count = 0;
76       Ceed_count_max = 0;
77     }
78   }
79 }
80 
81 static CeedVector *CeedVector_dict = NULL;
82 static int CeedVector_count = 0;
83 static int CeedVector_n = 0;
84 static int CeedVector_count_max = 0;
85 
86 #define fCeedVectorCreate FORTRAN_NAME(ceedvectorcreate,CEEDVECTORCREATE)
87 void fCeedVectorCreate(int *ceed, int *length, int *vec, int *err) {
88   if (CeedVector_count == CeedVector_count_max) {
89     CeedVector_count_max += CeedVector_count_max/2 + 1;
90     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
91   }
92 
93   CeedVector* vec_ = &CeedVector_dict[CeedVector_count];
94   *err = CeedVectorCreate(Ceed_dict[*ceed], *length, vec_);
95 
96   if (*err == 0) {
97     *vec = CeedVector_count++;
98     CeedVector_n++;
99   }
100 }
101 
102 #define fCeedVectorSetArray FORTRAN_NAME(ceedvectorsetarray,CEEDVECTORSETARRAY)
103 void fCeedVectorSetArray(int *vec, int *memtype, int *copymode,
104                          CeedScalar *array, int *err) {
105   *err = CeedVectorSetArray(CeedVector_dict[*vec], *memtype, *copymode, array);
106 }
107 
108 #define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue,CEEDVECTORSETVALUE)
109 void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) {
110   *err = CeedVectorSetValue(CeedVector_dict[*vec], *value);
111 }
112 
113 #define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray,CEEDVECTORGETARRAY)
114 void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array,
115                          int64_t *offset,
116                          int *err) {
117   CeedScalar *b;
118   CeedVector vec_ = CeedVector_dict[*vec];
119   *err = CeedVectorGetArray(vec_, *memtype, &b);
120   *offset = b - array;
121 }
122 
123 #define fCeedVectorGetArrayRead \
124     FORTRAN_NAME(ceedvectorgetarrayread,CEEDVECTORGETARRAYREAD)
125 void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array,
126                              int64_t *offset, int *err) {
127   const CeedScalar *b;
128   CeedVector vec_ = CeedVector_dict[*vec];
129   *err = CeedVectorGetArrayRead(vec_, *memtype, &b);
130   *offset = b - array;
131 }
132 
133 #define fCeedVectorRestoreArray \
134     FORTRAN_NAME(ceedvectorrestorearray,CEEDVECTORRESTOREARRAY)
135 void fCeedVectorRestoreArray(int *vec, CeedScalar *array,
136                              int64_t *offset, int *err) {
137   *err = CeedVectorRestoreArray(CeedVector_dict[*vec], &array);
138   *offset = 0;
139 }
140 
141 #define fCeedVectorRestoreArrayRead \
142     FORTRAN_NAME(ceedvectorrestorearrayread,CEEDVECTORRESTOREARRAYREAD)
143 void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array,
144                                  int64_t *offset, int *err) {
145   *err = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
146   *offset = 0;
147 }
148 
149 #define fCeedVectorView FORTRAN_NAME(ceedvectorview,CEEDVECTORVIEW)
150 void fCeedVectorView(int *vec, int *err) {
151   *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout);
152 }
153 
154 #define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy,CEEDVECTORDESTROY)
155 void fCeedVectorDestroy(int *vec, int *err) {
156   *err = CeedVectorDestroy(&CeedVector_dict[*vec]);
157 
158   if (*err == 0) {
159     CeedVector_n--;
160     if (CeedVector_n == 0) {
161       CeedFree(&CeedVector_dict);
162       CeedVector_count = 0;
163       CeedVector_count_max = 0;
164     }
165   }
166 }
167 
168 static CeedElemRestriction *CeedElemRestriction_dict = NULL;
169 static int CeedElemRestriction_count = 0;
170 static int CeedElemRestriction_n = 0;
171 static int CeedElemRestriction_count_max = 0;
172 
173 #define fCeedElemRestrictionCreate \
174     FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
175 void fCeedElemRestrictionCreate(int *ceed, int *nelements,
176                                 int *esize, int *ndof, int *ncomp, int *memtype, int *copymode,
177                                 const int *indices, int *elemrestriction, int *err) {
178   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
179     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
180     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
181   }
182 
183   const int *indices_ = indices;
184 
185   CeedElemRestriction *elemrestriction_ =
186     &CeedElemRestriction_dict[CeedElemRestriction_count];
187   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize, *ndof,
188                                    *ncomp,
189                                    *memtype, *copymode, indices_, elemrestriction_);
190 
191   if (*err == 0) {
192     *elemrestriction = CeedElemRestriction_count++;
193     CeedElemRestriction_n++;
194   }
195 }
196 
197 #define fCeedElemRestrictionCreateIdentity \
198     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
199 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
200                                         int *esize, int *ndof, int *ncomp,
201                                         int *elemrestriction, int *err) {
202   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
203     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
204     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
205   }
206 
207   CeedElemRestriction *elemrestriction_ =
208     &CeedElemRestriction_dict[CeedElemRestriction_count];
209   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
210          *ndof,
211          *ncomp, elemrestriction_);
212 
213   if (*err == 0) {
214     *elemrestriction = CeedElemRestriction_count++;
215     CeedElemRestriction_n++;
216   }
217 }
218 
219 #define fCeedElemRestrictionCreateBlocked \
220     FORTRAN_NAME(ceedelemrestrictioncreateblocked,CEEDELEMRESTRICTIONCREATEBLOCKED)
221 void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements,
222                                        int *esize, int *blocksize, int *ndof, int *ncomp,
223                                        int *mtype, int *cmode,
224                                        int *blkindices, int *elemrestriction, int *err) {
225 
226   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
227     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
228     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
229   }
230 
231   CeedElemRestriction *elemrestriction_ =
232     &CeedElemRestriction_dict[CeedElemRestriction_count];
233   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
234                                           *blocksize, *ndof, *ncomp, *mtype, *cmode, blkindices,
235                                           elemrestriction_);
236 
237   if (*err == 0) {
238     *elemrestriction = CeedElemRestriction_count++;
239     CeedElemRestriction_n++;
240   }
241 }
242 
243 static CeedRequest *CeedRequest_dict = NULL;
244 static int CeedRequest_count = 0;
245 static int CeedRequest_n = 0;
246 static int CeedRequest_count_max = 0;
247 
248 #define fCeedElemRestrictionApply \
249     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
250 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
251                                int *uvec, int *ruvec, int *rqst, int *err) {
252   int createRequest = 1;
253   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
254   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
255     createRequest = 0;
256 
257   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
258     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
259     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
260   }
261 
262   CeedRequest *rqst_;
263   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
264   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
265   else rqst_ = &CeedRequest_dict[CeedRequest_count];
266 
267   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
268                                   *lmode, CeedVector_dict[*uvec], CeedVector_dict[*ruvec], rqst_);
269 
270   if (*err == 0 && createRequest) {
271     *rqst = CeedRequest_count++;
272     CeedRequest_n++;
273   }
274 }
275 
276 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
277 void fCeedRequestWait(int *rqst, int *err) {
278   // TODO Uncomment this once CeedRequestWait is implemented
279   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
280 
281   if (*err == 0) {
282     CeedRequest_n--;
283     if (CeedRequest_n == 0) {
284       CeedFree(&CeedRequest_dict);
285       CeedRequest_count = 0;
286       CeedRequest_count_max = 0;
287     }
288   }
289 }
290 
291 #define fCeedElemRestrictionDestroy \
292     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
293 void fCeedElemRestrictionDestroy(int *elem, int *err) {
294   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
295 
296   if (*err == 0) {
297     CeedElemRestriction_n--;
298     if (CeedElemRestriction_n == 0) {
299       CeedFree(&CeedElemRestriction_dict);
300       CeedElemRestriction_count = 0;
301       CeedElemRestriction_count_max = 0;
302     }
303   }
304 }
305 
306 static CeedBasis *CeedBasis_dict = NULL;
307 static int CeedBasis_count = 0;
308 static int CeedBasis_n = 0;
309 static int CeedBasis_count_max = 0;
310 
311 #define fCeedBasisCreateTensorH1Lagrange \
312     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
313 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
314                                       int *ncomp, int *P, int *Q, int *quadmode, int *basis,
315                                       int *err) {
316   if (CeedBasis_count == CeedBasis_count_max) {
317     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
318     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
319   }
320 
321   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
322                                          *quadmode, &CeedBasis_dict[CeedBasis_count]);
323 
324   if (*err == 0) {
325     *basis = CeedBasis_count++;
326     CeedBasis_n++;
327   }
328 }
329 
330 #define fCeedBasisCreateTensorH1 \
331     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
332 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
333                               int *Q1d, const CeedScalar *interp1d, const CeedScalar *grad1d,
334                               const CeedScalar *qref1d, const CeedScalar *qweight1d, int *basis, int *err) {
335   if (CeedBasis_count == CeedBasis_count_max) {
336     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
337     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
338   }
339 
340   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
341                                  interp1d, grad1d,
342                                  qref1d, qweight1d, &CeedBasis_dict[CeedBasis_count]);
343 
344   if (*err == 0) {
345     *basis = CeedBasis_count++;
346     CeedBasis_n++;
347   }
348 }
349 
350 #define fCeedBasisCreateH1 \
351     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
352 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *ndof,
353                         int *nqpts, const CeedScalar *interp, const CeedScalar *grad,
354                         const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
355   if (CeedBasis_count == CeedBasis_count_max) {
356     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
357     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
358   }
359 
360   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp,
361                            *ndof, *nqpts, interp, grad,
362                            qref, qweight, &CeedBasis_dict[CeedBasis_count]);
363 
364   if (*err == 0) {
365     *basis = CeedBasis_count++;
366     CeedBasis_n++;
367   }
368 }
369 
370 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
371 void fCeedBasisView(int *basis, int *err) {
372   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
373 }
374 
375 #define fCeedQRFactorization \
376     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
377 void fCeedQRFactorization(CeedScalar *mat, CeedScalar *tau, int *m, int *n,
378                           int *err) {
379   *err = CeedQRFactorization(mat, tau, *m, *n);
380 }
381 
382 #define fCeedBasisGetCollocatedGrad \
383     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
384 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
385                                  int *err) {
386   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
387 }
388 
389 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
390 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
391                      int *u, int *v, int *err) {
392   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
393                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
394                         CeedVector_dict[*v]);
395 }
396 
397 #define fCeedBasisGetNumNodes \
398     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
399 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
400   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
401 }
402 
403 #define fCeedBasisGetNumQuadraturePoints \
404     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
405 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
406   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
407 }
408 
409 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
410 void fCeedBasisDestroy(int *basis, int *err) {
411   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
412 
413   if (*err == 0) {
414     CeedBasis_n--;
415     if (CeedBasis_n == 0) {
416       CeedFree(&CeedBasis_dict);
417       CeedBasis_count = 0;
418       CeedBasis_count_max = 0;
419     }
420   }
421 }
422 
423 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
424 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
425                           int *err) {
426   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
427 }
428 
429 #define fCeedLobattoQuadrature \
430     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
431 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
432                             int *err) {
433   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
434 }
435 
436 static CeedQFunction *CeedQFunction_dict = NULL;
437 static int CeedQFunction_count = 0;
438 static int CeedQFunction_n = 0;
439 static int CeedQFunction_count_max = 0;
440 
441 struct fContext {
442   void (*f)(void *ctx, int *nq,
443             const CeedScalar *u,const CeedScalar *u1,const CeedScalar *u2,
444             const CeedScalar *u3,
445             const CeedScalar *u4,const CeedScalar *u5,const CeedScalar *u6,
446             const CeedScalar *u7,
447             const CeedScalar *u8,const CeedScalar *u9,const CeedScalar *u10,
448             const CeedScalar *u11,
449             const CeedScalar *u12,const CeedScalar *u13,const CeedScalar *u14,
450             const CeedScalar *u15,
451             CeedScalar *v,CeedScalar *v1, CeedScalar *v2,CeedScalar *v3,
452             CeedScalar *v4,CeedScalar *v5, CeedScalar *v6,CeedScalar *v7,
453             CeedScalar *v8,CeedScalar *v9, CeedScalar *v10,CeedScalar *v11,
454             CeedScalar *v12,CeedScalar *v13, CeedScalar *v14,CeedScalar *v15, int *err);
455   void *innerctx;
456 };
457 
458 static int CeedQFunctionFortranStub(void *ctx, int nq,
459                                     const CeedScalar *const *u, CeedScalar *const *v) {
460   struct fContext *fctx = ctx;
461   int ierr;
462 
463   CeedScalar ctx_=1.0;
464   fctx->f((void*)&ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],u[7],
465           u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
466           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],
467           v[8],v[9],v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
468   return ierr;
469 }
470 
471 #define fCeedQFunctionCreateInterior \
472     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
473 void fCeedQFunctionCreateInterior(int* ceed, int* vlength,
474                                   void (*f)(void *ctx, int *nq,
475                                       const CeedScalar *u,const CeedScalar *u1,const CeedScalar *u2,
476                                       const CeedScalar *u3,
477                                       const CeedScalar *u4,const CeedScalar *u5,const CeedScalar *u6,
478                                       const CeedScalar *u7,
479                                       const CeedScalar *u8,const CeedScalar *u9,const CeedScalar *u10,
480                                       const CeedScalar *u11,
481                                       const CeedScalar *u12,const CeedScalar *u13,const CeedScalar *u14,
482                                       const CeedScalar *u15,
483                                       CeedScalar *v,CeedScalar *v1, CeedScalar *v2,CeedScalar *v3,
484                                       CeedScalar *v4,CeedScalar *v5, CeedScalar *v6,CeedScalar *v7,
485                                       CeedScalar *v8,CeedScalar *v9, CeedScalar *v10,CeedScalar *v11,
486                                       CeedScalar *v12,CeedScalar *v13, CeedScalar *v14,CeedScalar *v15,
487                                       int *err),
488                                   const char *focca, int *qf, int *err,
489                                   fortran_charlen_t focca_len) {
490   FIX_STRING(focca);
491   if (CeedQFunction_count == CeedQFunction_count_max) {
492     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
493     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
494   }
495 
496   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
497   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
498                                      CeedQFunctionFortranStub,focca_c, qf_);
499 
500   if (*err == 0) {
501     *qf = CeedQFunction_count++;
502     CeedQFunction_n++;
503   }
504 
505   struct fContext *fctx;
506   *err = CeedMalloc(1, &fctx);
507   if (*err) return;
508   fctx->f = f; fctx->innerctx = NULL;
509 
510   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(struct fContext));
511 
512 }
513 
514 #define fCeedQFunctionAddInput \
515     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
516 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
517                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
518                             fortran_charlen_t fieldname_len) {
519   FIX_STRING(fieldname);
520   CeedQFunction qf_ = CeedQFunction_dict[*qf];
521 
522   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
523 }
524 
525 #define fCeedQFunctionAddOutput \
526     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
527 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
528                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
529                              fortran_charlen_t fieldname_len) {
530   FIX_STRING(fieldname);
531   CeedQFunction qf_ = CeedQFunction_dict[*qf];
532 
533   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
534 }
535 
536 #define fCeedQFunctionApply \
537     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
538 //TODO Need Fixing, double pointer
539 void fCeedQFunctionApply(int *qf, int *Q,
540                          int *u, int *u1, int *u2, int *u3,
541                          int *u4, int *u5, int *u6, int *u7,
542                          int *u8, int *u9, int *u10, int *u11,
543                          int *u12, int *u13, int *u14, int *u15,
544                          int *v, int *v1, int *v2, int *v3,
545                          int *v4, int *v5, int *v6, int *v7,
546                          int *v8, int *v9, int *v10, int *v11,
547                          int *v12, int *v13, int *v14, int *v15, int *err) {
548   CeedQFunction qf_ = CeedQFunction_dict[*qf];
549   CeedVector *in;
550   *err = CeedCalloc(16, &in);
551   if (*err) return;
552   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
553   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
554   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
555   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
556   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
557   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
558   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
559   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
560   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
561   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
562   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
563   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
564   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
565   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
566   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
567   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
568   CeedVector *out;
569   *err = CeedCalloc(16, &out);
570   if (*err) return;
571   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
572   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
573   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
574   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
575   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
576   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
577   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
578   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
579   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
580   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
581   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
582   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
583   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
584   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
585   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
586   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
587   *err = CeedQFunctionApply(qf_, *Q, in, out);
588   if (*err) return;
589 
590   *err = CeedFree(&in);
591   if (*err) return;
592   *err = CeedFree(&out);
593 }
594 
595 #define fCeedQFunctionDestroy \
596     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
597 void fCeedQFunctionDestroy(int *qf, int *err) {
598   CeedFree(&CeedQFunction_dict[*qf]->ctx);
599   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
600 
601   if (*err) return;
602   CeedQFunction_n--;
603   if (CeedQFunction_n == 0) {
604     *err = CeedFree(&CeedQFunction_dict);
605     CeedQFunction_count = 0;
606     CeedQFunction_count_max = 0;
607   }
608 }
609 
610 static CeedOperator *CeedOperator_dict = NULL;
611 static int CeedOperator_count = 0;
612 static int CeedOperator_n = 0;
613 static int CeedOperator_count_max = 0;
614 
615 #define fCeedOperatorCreate \
616     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
617 void fCeedOperatorCreate(int* ceed,
618                          int* qf, int* dqf, int* dqfT, int *op, int *err) {
619   if (CeedOperator_count == CeedOperator_count_max)
620     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
621                               CeedOperator_dict =
622                                 realloc(CeedOperator_dict, sizeof(CeedOperator)*CeedOperator_count_max);
623 
624   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
625 
626   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
627   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
628   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
629 
630   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
631                             dqfT_, op_);
632   if (*err) return;
633   *op = CeedOperator_count++;
634   CeedOperator_n++;
635 }
636 
637 #define fCeedOperatorSetField \
638     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
639 void fCeedOperatorSetField(int *op, const char *fieldname,
640                            int *r, int *lmode, int *b, int *v, int *err,
641                            fortran_charlen_t fieldname_len) {
642   FIX_STRING(fieldname);
643   CeedElemRestriction r_;
644   CeedBasis b_;
645   CeedVector v_;
646 
647   CeedOperator op_ = CeedOperator_dict[*op];
648 
649   if (*r == FORTRAN_NULL) {
650     r_ = NULL;
651   } else {
652     r_ = CeedElemRestriction_dict[*r];
653   }
654 
655   if (*b == FORTRAN_NULL) {
656     b_ = NULL;
657   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
658     b_ = CEED_BASIS_COLLOCATED;
659   } else {
660     b_ = CeedBasis_dict[*b];
661   }
662   if (*v == FORTRAN_NULL) {
663     v_ = NULL;
664   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
665     v_ = CEED_VECTOR_ACTIVE;
666   } else if (*v == FORTRAN_VECTOR_NONE) {
667     v_ = CEED_VECTOR_NONE;
668   } else {
669     v_ = CeedVector_dict[*v];
670   }
671 
672   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
673 }
674 
675 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
676 void fCeedOperatorApply(int *op, int *ustatevec,
677                         int *resvec, int *rqst, int *err) {
678   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
679                           ? NULL : CeedVector_dict[*ustatevec];
680   CeedVector resvec_ = *resvec == FORTRAN_NULL
681                        ? NULL : CeedVector_dict[*resvec];
682 
683   int createRequest = 1;
684   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
685   if (*rqst == -1 || *rqst == -2) {
686     createRequest = 0;
687   }
688 
689   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
690     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
691     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
692   }
693 
694   CeedRequest *rqst_;
695   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
696   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
697   else rqst_ = &CeedRequest_dict[CeedRequest_count];
698 
699   *err = CeedOperatorApply(CeedOperator_dict[*op],
700                            ustatevec_, resvec_, rqst_);
701   if (*err) return;
702   if (createRequest) {
703     *rqst = CeedRequest_count++;
704     CeedRequest_n++;
705   }
706 }
707 
708 #define fCeedOperatorApplyJacobian \
709     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
710 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
711                                 int *dustatevec, int *dresvec, int *rqst, int *err) {
712 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
713 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
714 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
715 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
716 }
717 
718 #define fCeedOperatorDestroy \
719     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
720 void fCeedOperatorDestroy(int *op, int *err) {
721   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
722   if (*err) return;
723   CeedOperator_n--;
724   if (CeedOperator_n == 0) {
725     *err = CeedFree(&CeedOperator_dict);
726     CeedOperator_count = 0;
727     CeedOperator_count_max = 0;
728   }
729 }
730