xref: /libCEED/interface/ceed-fortran.c (revision 8795c9458136fc8cad6e4d699e4c8f3c99be02e2)
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 fCeedGetPreferredMemType \
68     FORTRAN_NAME(ceedgetpreferredmemtype,CEEDGETPREFERREDMEMTYPE)
69 void fCeedGetPreferredMemType(int *ceed, int *type, int *err) {
70   *err = CeedGetPreferredMemType(Ceed_dict[*ceed], (CeedMemType *)type);
71 }
72 
73 #define fCeedDestroy FORTRAN_NAME(ceeddestroy,CEEDDESTROY)
74 void fCeedDestroy(int *ceed, int *err) {
75   *err = CeedDestroy(&Ceed_dict[*ceed]);
76 
77   if (*err == 0) {
78     Ceed_n--;
79     if (Ceed_n == 0) {
80       CeedFree(&Ceed_dict);
81       Ceed_count = 0;
82       Ceed_count_max = 0;
83     }
84   }
85 }
86 
87 static CeedVector *CeedVector_dict = NULL;
88 static int CeedVector_count = 0;
89 static int CeedVector_n = 0;
90 static int CeedVector_count_max = 0;
91 
92 #define fCeedVectorCreate FORTRAN_NAME(ceedvectorcreate,CEEDVECTORCREATE)
93 void fCeedVectorCreate(int *ceed, int *length, int *vec, int *err) {
94   if (CeedVector_count == CeedVector_count_max) {
95     CeedVector_count_max += CeedVector_count_max/2 + 1;
96     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
97   }
98 
99   CeedVector *vec_ = &CeedVector_dict[CeedVector_count];
100   *err = CeedVectorCreate(Ceed_dict[*ceed], *length, vec_);
101 
102   if (*err == 0) {
103     *vec = CeedVector_count++;
104     CeedVector_n++;
105   }
106 }
107 
108 #define fCeedVectorSetArray FORTRAN_NAME(ceedvectorsetarray,CEEDVECTORSETARRAY)
109 void fCeedVectorSetArray(int *vec, int *memtype, int *copymode,
110                          CeedScalar *array, int64_t *offset, int *err) {
111   *err = CeedVectorSetArray(CeedVector_dict[*vec], *memtype, *copymode,
112                             (CeedScalar *)(array + *offset));
113 }
114 
115 #define fCeedVectorSyncArray FORTRAN_NAME(ceedvectorsyncarray,CEEDVECTORSYNCARRAY)
116 void fCeedVectorSyncArray(int *vec, int *memtype, int *err) {
117   *err = CeedVectorSyncArray(CeedVector_dict[*vec], *memtype);
118 }
119 
120 #define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue,CEEDVECTORSETVALUE)
121 void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) {
122   *err = CeedVectorSetValue(CeedVector_dict[*vec], *value);
123 }
124 
125 #define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray,CEEDVECTORGETARRAY)
126 void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array,
127                          int64_t *offset,
128                          int *err) {
129   CeedScalar *b;
130   CeedVector vec_ = CeedVector_dict[*vec];
131   *err = CeedVectorGetArray(vec_, *memtype, &b);
132   *offset = b - array;
133 }
134 
135 #define fCeedVectorGetArrayRead \
136     FORTRAN_NAME(ceedvectorgetarrayread,CEEDVECTORGETARRAYREAD)
137 void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array,
138                              int64_t *offset, int *err) {
139   const CeedScalar *b;
140   CeedVector vec_ = CeedVector_dict[*vec];
141   *err = CeedVectorGetArrayRead(vec_, *memtype, &b);
142   *offset = b - array;
143 }
144 
145 #define fCeedVectorRestoreArray \
146     FORTRAN_NAME(ceedvectorrestorearray,CEEDVECTORRESTOREARRAY)
147 void fCeedVectorRestoreArray(int *vec, CeedScalar *array,
148                              int64_t *offset, int *err) {
149   *err = CeedVectorRestoreArray(CeedVector_dict[*vec], &array);
150   *offset = 0;
151 }
152 
153 #define fCeedVectorRestoreArrayRead \
154     FORTRAN_NAME(ceedvectorrestorearrayread,CEEDVECTORRESTOREARRAYREAD)
155 void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array,
156                                  int64_t *offset, int *err) {
157   *err = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
158   *offset = 0;
159 }
160 
161 #define fCeedVectorView FORTRAN_NAME(ceedvectorview,CEEDVECTORVIEW)
162 void fCeedVectorView(int *vec, int *err) {
163   *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout);
164 }
165 
166 #define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy,CEEDVECTORDESTROY)
167 void fCeedVectorDestroy(int *vec, int *err) {
168   *err = CeedVectorDestroy(&CeedVector_dict[*vec]);
169 
170   if (*err == 0) {
171     CeedVector_n--;
172     if (CeedVector_n == 0) {
173       CeedFree(&CeedVector_dict);
174       CeedVector_count = 0;
175       CeedVector_count_max = 0;
176     }
177   }
178 }
179 
180 static CeedElemRestriction *CeedElemRestriction_dict = NULL;
181 static int CeedElemRestriction_count = 0;
182 static int CeedElemRestriction_n = 0;
183 static int CeedElemRestriction_count_max = 0;
184 
185 #define fCeedElemRestrictionCreate \
186     FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
187 void fCeedElemRestrictionCreate(int *ceed, int *nelements,
188                                 int *esize, int *nnodes, int *ncomp,
189                                 int *memtype, int *copymode, const int *indices,
190                                 int *elemrestriction, int *err) {
191   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
192     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
193     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
194   }
195 
196   const int *indices_ = indices;
197 
198   CeedElemRestriction *elemrestriction_ =
199     &CeedElemRestriction_dict[CeedElemRestriction_count];
200   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize,
201                                    *nnodes, *ncomp, *memtype, *copymode,
202                                    indices_, elemrestriction_);
203 
204   if (*err == 0) {
205     *elemrestriction = CeedElemRestriction_count++;
206     CeedElemRestriction_n++;
207   }
208 }
209 
210 #define fCeedElemRestrictionCreateIdentity \
211     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
212 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
213                                         int *esize, int *nnodes, int *ncomp,
214                                         int *elemrestriction, int *err) {
215   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
216     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
217     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
218   }
219 
220   CeedElemRestriction *elemrestriction_ =
221     &CeedElemRestriction_dict[CeedElemRestriction_count];
222   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
223          *nnodes, *ncomp, elemrestriction_);
224 
225   if (*err == 0) {
226     *elemrestriction = CeedElemRestriction_count++;
227     CeedElemRestriction_n++;
228   }
229 }
230 
231 #define fCeedElemRestrictionCreateBlocked \
232     FORTRAN_NAME(ceedelemrestrictioncreateblocked,CEEDELEMRESTRICTIONCREATEBLOCKED)
233 void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements,
234                                        int *esize, int *blocksize, int *nnodes,
235                                        int *ncomp, int *mtype, int *cmode,
236                                        int *blkindices, int *elemrestriction,
237                                        int *err) {
238 
239   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
240     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
241     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
242   }
243 
244   CeedElemRestriction *elemrestriction_ =
245     &CeedElemRestriction_dict[CeedElemRestriction_count];
246   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
247                                           *blocksize, *nnodes, *ncomp, *mtype,
248                                           *cmode, blkindices, elemrestriction_);
249 
250   if (*err == 0) {
251     *elemrestriction = CeedElemRestriction_count++;
252     CeedElemRestriction_n++;
253   }
254 }
255 
256 static CeedRequest *CeedRequest_dict = NULL;
257 static int CeedRequest_count = 0;
258 static int CeedRequest_n = 0;
259 static int CeedRequest_count_max = 0;
260 
261 #define fCeedElemRestrictionApply \
262     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
263 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
264                                int *uvec, int *ruvec, int *rqst, int *err) {
265   int createRequest = 1;
266   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
267   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
268     createRequest = 0;
269 
270   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
271     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
272     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
273   }
274 
275   CeedRequest *rqst_;
276   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
277   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
278   else rqst_ = &CeedRequest_dict[CeedRequest_count];
279 
280   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
281                                   *lmode, CeedVector_dict[*uvec],
282                                   CeedVector_dict[*ruvec], rqst_);
283 
284   if (*err == 0 && createRequest) {
285     *rqst = CeedRequest_count++;
286     CeedRequest_n++;
287   }
288 }
289 
290 
291 
292 #define fCeedElemRestrictionApplyBlock \
293     FORTRAN_NAME(ceedelemrestrictionapplyblock,CEEDELEMRESTRICTIONAPPLYBLOCK)
294 void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode, int *lmode,
295                                     int *uvec, int *ruvec, int *rqst, int *err) {
296   int createRequest = 1;
297   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
298   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
299     createRequest = 0;
300 
301   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
302     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
303     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
304   }
305 
306   CeedRequest *rqst_;
307   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
308   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
309   else rqst_ = &CeedRequest_dict[CeedRequest_count];
310 
311   *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block,
312                                        *tmode, *lmode, CeedVector_dict[*uvec],
313                                        CeedVector_dict[*ruvec], rqst_);
314 
315   if (*err == 0 && createRequest) {
316     *rqst = CeedRequest_count++;
317     CeedRequest_n++;
318   }
319 }
320 
321 #define fCeedElemRestrictionGetMultiplicity \
322     FORTRAN_NAME(ceedelemrestrictiongetmultiplicity,CEEDELEMRESTRICTIONGETMULTIPLICITY)
323 void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
324   *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr],
325                                             CeedVector_dict[*mult]);
326 }
327 
328 
329 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
330 void fCeedRequestWait(int *rqst, int *err) {
331   // TODO Uncomment this once CeedRequestWait is implemented
332   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
333 
334   if (*err == 0) {
335     CeedRequest_n--;
336     if (CeedRequest_n == 0) {
337       CeedFree(&CeedRequest_dict);
338       CeedRequest_count = 0;
339       CeedRequest_count_max = 0;
340     }
341   }
342 }
343 
344 #define fCeedElemRestrictionDestroy \
345     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
346 void fCeedElemRestrictionDestroy(int *elem, int *err) {
347   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
348 
349   if (*err == 0) {
350     CeedElemRestriction_n--;
351     if (CeedElemRestriction_n == 0) {
352       CeedFree(&CeedElemRestriction_dict);
353       CeedElemRestriction_count = 0;
354       CeedElemRestriction_count_max = 0;
355     }
356   }
357 }
358 
359 static CeedBasis *CeedBasis_dict = NULL;
360 static int CeedBasis_count = 0;
361 static int CeedBasis_n = 0;
362 static int CeedBasis_count_max = 0;
363 
364 #define fCeedBasisCreateTensorH1Lagrange \
365     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
366 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
367                                       int *ncomp, int *P, int *Q, int *quadmode,
368                                       int *basis, int *err) {
369   if (CeedBasis_count == CeedBasis_count_max) {
370     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
371     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
372   }
373 
374   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
375                                          *quadmode,
376                                          &CeedBasis_dict[CeedBasis_count]);
377 
378   if (*err == 0) {
379     *basis = CeedBasis_count++;
380     CeedBasis_n++;
381   }
382 }
383 
384 #define fCeedBasisCreateTensorH1 \
385     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
386 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
387                               int *Q1d, const CeedScalar *interp1d,
388                               const CeedScalar *grad1d,
389                               const CeedScalar *qref1d,
390                               const CeedScalar *qweight1d, int *basis,
391                               int *err) {
392   if (CeedBasis_count == CeedBasis_count_max) {
393     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
394     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
395   }
396 
397   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
398                                  interp1d, grad1d, qref1d, qweight1d,
399                                  &CeedBasis_dict[CeedBasis_count]);
400 
401   if (*err == 0) {
402     *basis = CeedBasis_count++;
403     CeedBasis_n++;
404   }
405 }
406 
407 #define fCeedBasisCreateH1 \
408     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
409 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *nnodes,
410                         int *nqpts, const CeedScalar *interp,
411                         const CeedScalar *grad, const CeedScalar *qref,
412                         const CeedScalar *qweight, int *basis, int *err) {
413   if (CeedBasis_count == CeedBasis_count_max) {
414     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
415     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
416   }
417 
418   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp, *nnodes, *nqpts,
419                            interp, grad, qref, qweight,
420                            &CeedBasis_dict[CeedBasis_count]);
421 
422   if (*err == 0) {
423     *basis = CeedBasis_count++;
424     CeedBasis_n++;
425   }
426 }
427 
428 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
429 void fCeedBasisView(int *basis, int *err) {
430   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
431 }
432 
433 #define fCeedQRFactorization \
434     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
435 void fCeedQRFactorization(int *ceed, CeedScalar *mat, CeedScalar *tau, int *m,
436                           int *n, int *err) {
437   *err = CeedQRFactorization(Ceed_dict[*ceed], mat, tau, *m, *n);
438 }
439 
440 #define fCeedBasisGetCollocatedGrad \
441     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
442 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
443                                  int *err) {
444   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
445 }
446 
447 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
448 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
449                      int *u, int *v, int *err) {
450   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
451                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
452                         CeedVector_dict[*v]);
453 }
454 
455 #define fCeedBasisGetNumNodes \
456     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
457 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
458   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
459 }
460 
461 #define fCeedBasisGetNumQuadraturePoints \
462     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
463 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
464   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
465 }
466 
467 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
468 void fCeedBasisDestroy(int *basis, int *err) {
469   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
470 
471   if (*err == 0) {
472     CeedBasis_n--;
473     if (CeedBasis_n == 0) {
474       CeedFree(&CeedBasis_dict);
475       CeedBasis_count = 0;
476       CeedBasis_count_max = 0;
477     }
478   }
479 }
480 
481 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
482 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
483                           int *err) {
484   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
485 }
486 
487 #define fCeedLobattoQuadrature \
488     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
489 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
490                             int *err) {
491   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
492 }
493 
494 static CeedQFunction *CeedQFunction_dict = NULL;
495 static int CeedQFunction_count = 0;
496 static int CeedQFunction_n = 0;
497 static int CeedQFunction_count_max = 0;
498 
499 static int CeedQFunctionFortranStub(void *ctx, int nq,
500                                     const CeedScalar *const *u,
501                                     CeedScalar *const *v) {
502   fContext *fctx = ctx;
503   int ierr;
504 
505   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
506   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
507           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
508           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
509           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
510   return ierr;
511 }
512 
513 #define fCeedQFunctionCreateInterior \
514     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
515 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
516                                   void (*f)(void *ctx, int *nq,
517                                     const CeedScalar *u,const CeedScalar *u1,
518                                     const CeedScalar *u2,const CeedScalar *u3,
519                                     const CeedScalar *u4,const CeedScalar *u5,
520                                     const CeedScalar *u6,const CeedScalar *u7,
521                                     const CeedScalar *u8,const CeedScalar *u9,
522                                     const CeedScalar *u10,const CeedScalar *u11,
523                                     const CeedScalar *u12,const CeedScalar *u13,
524                                     const CeedScalar *u14,const CeedScalar *u15,
525                                     CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
526                                     CeedScalar *v3,CeedScalar *v4,
527                                     CeedScalar *v5,CeedScalar *v6,
528                                     CeedScalar *v7,CeedScalar *v8,
529                                     CeedScalar *v9,CeedScalar *v10,
530                                     CeedScalar *v11,CeedScalar *v12,
531                                     CeedScalar *v13,CeedScalar *v14,
532                                     CeedScalar *v15,int *err),
533                                   const char *focca, int *qf, int *err,
534                                   fortran_charlen_t focca_len) {
535   FIX_STRING(focca);
536   if (CeedQFunction_count == CeedQFunction_count_max) {
537     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
538     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
539   }
540 
541   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
542   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
543                                      CeedQFunctionFortranStub, focca_c, qf_);
544 
545   if (*err == 0) {
546     *qf = CeedQFunction_count++;
547     CeedQFunction_n++;
548 
549   }
550 
551   fContext *fctx;
552   *err = CeedMalloc(1, &fctx);
553   if (*err) return;
554   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
555 
556   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
557 
558   (*qf_)->fortranstatus = true;
559 }
560 
561 #define fCeedQFunctionAddInput \
562     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
563 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
564                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
565                             fortran_charlen_t fieldname_len) {
566   FIX_STRING(fieldname);
567   CeedQFunction qf_ = CeedQFunction_dict[*qf];
568 
569   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
570 }
571 
572 #define fCeedQFunctionAddOutput \
573     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
574 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
575                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
576                              fortran_charlen_t fieldname_len) {
577   FIX_STRING(fieldname);
578   CeedQFunction qf_ = CeedQFunction_dict[*qf];
579 
580   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
581 }
582 
583 #define fCeedQFunctionSetContext \
584     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
585 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
586   CeedQFunction qf_ = CeedQFunction_dict[*qf];
587 
588   fContext *fctx = qf_->ctx;
589   fctx->innerctx = ctx;
590   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
591 }
592 
593 #define fCeedQFunctionApply \
594     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
595 //TODO Need Fixing, double pointer
596 void fCeedQFunctionApply(int *qf, int *Q,
597                          int *u, int *u1, int *u2, int *u3,
598                          int *u4, int *u5, int *u6, int *u7,
599                          int *u8, int *u9, int *u10, int *u11,
600                          int *u12, int *u13, int *u14, int *u15,
601                          int *v, int *v1, int *v2, int *v3,
602                          int *v4, int *v5, int *v6, int *v7,
603                          int *v8, int *v9, int *v10, int *v11,
604                          int *v12, int *v13, int *v14, int *v15, int *err) {
605   CeedQFunction qf_ = CeedQFunction_dict[*qf];
606   CeedVector *in;
607   *err = CeedCalloc(16, &in);
608   if (*err) return;
609   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
610   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
611   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
612   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
613   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
614   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
615   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
616   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
617   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
618   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
619   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
620   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
621   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
622   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
623   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
624   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
625   CeedVector *out;
626   *err = CeedCalloc(16, &out);
627   if (*err) return;
628   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
629   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
630   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
631   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
632   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
633   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
634   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
635   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
636   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
637   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
638   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
639   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
640   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
641   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
642   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
643   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
644   *err = CeedQFunctionApply(qf_, *Q, in, out);
645   if (*err) return;
646 
647   *err = CeedFree(&in);
648   if (*err) return;
649   *err = CeedFree(&out);
650 }
651 
652 #define fCeedQFunctionDestroy \
653     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
654 void fCeedQFunctionDestroy(int *qf, int *err) {
655   fContext *fctx = CeedQFunction_dict[*qf]->ctx;
656   *err = CeedFree(&fctx);
657   if (*err) return;
658 
659   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
660   if (*err) return;
661 
662   CeedQFunction_n--;
663   if (CeedQFunction_n == 0) {
664     *err = CeedFree(&CeedQFunction_dict);
665     CeedQFunction_count = 0;
666     CeedQFunction_count_max = 0;
667   }
668 }
669 
670 static CeedOperator *CeedOperator_dict = NULL;
671 static int CeedOperator_count = 0;
672 static int CeedOperator_n = 0;
673 static int CeedOperator_count_max = 0;
674 
675 #define fCeedOperatorCreate \
676     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
677 void fCeedOperatorCreate(int *ceed,
678                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
679   if (CeedOperator_count == CeedOperator_count_max)
680     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
681     CeedOperator_dict = realloc(CeedOperator_dict,
682                                 sizeof(CeedOperator)*CeedOperator_count_max);
683 
684   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
685 
686   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
687   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
688   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
689 
690   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
691                             dqfT_, op_);
692   if (*err) return;
693   *op = CeedOperator_count++;
694   CeedOperator_n++;
695 }
696 
697 #define fCeedCompositeOperatorCreate \
698     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
699 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
700   if (CeedOperator_count == CeedOperator_count_max)
701     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
702     CeedOperator_dict = realloc(CeedOperator_dict,
703                                 sizeof(CeedOperator)*CeedOperator_count_max);
704 
705   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
706 
707   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
708   if (*err) return;
709   *op = CeedOperator_count++;
710   CeedOperator_n++;
711 }
712 
713 #define fCeedOperatorSetField \
714     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
715 void fCeedOperatorSetField(int *op, const char *fieldname,
716                            int *r, int *lmode, int *b, int *v, int *err,
717                            fortran_charlen_t fieldname_len) {
718   FIX_STRING(fieldname);
719   CeedElemRestriction r_;
720   CeedBasis b_;
721   CeedVector v_;
722 
723   CeedOperator op_ = CeedOperator_dict[*op];
724 
725   if (*r == FORTRAN_NULL) {
726     r_ = NULL;
727   } else {
728     r_ = CeedElemRestriction_dict[*r];
729   }
730 
731   if (*b == FORTRAN_NULL) {
732     b_ = NULL;
733   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
734     b_ = CEED_BASIS_COLLOCATED;
735   } else {
736     b_ = CeedBasis_dict[*b];
737   }
738   if (*v == FORTRAN_NULL) {
739     v_ = NULL;
740   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
741     v_ = CEED_VECTOR_ACTIVE;
742   } else if (*v == FORTRAN_VECTOR_NONE) {
743     v_ = CEED_VECTOR_NONE;
744   } else {
745     v_ = CeedVector_dict[*v];
746   }
747 
748   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
749 }
750 
751 #define fCeedCompositeOperatorAddSub \
752     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
753 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
754   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
755   CeedOperator subop_ = CeedOperator_dict[*subop];
756 
757   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
758   if (*err) return;
759 }
760 
761 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
762 void fCeedOperatorApply(int *op, int *ustatevec,
763                         int *resvec, int *rqst, int *err) {
764   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
765                           ? NULL : CeedVector_dict[*ustatevec];
766   CeedVector resvec_ = *resvec == FORTRAN_NULL
767                        ? NULL : CeedVector_dict[*resvec];
768 
769   int createRequest = 1;
770   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
771   if (*rqst == -1 || *rqst == -2) {
772     createRequest = 0;
773   }
774 
775   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
776     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
777     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
778   }
779 
780   CeedRequest *rqst_;
781   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
782   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
783   else rqst_ = &CeedRequest_dict[CeedRequest_count];
784 
785   *err = CeedOperatorApply(CeedOperator_dict[*op],
786                            ustatevec_, resvec_, rqst_);
787   if (*err) return;
788   if (createRequest) {
789     *rqst = CeedRequest_count++;
790     CeedRequest_n++;
791   }
792 }
793 
794 #define fCeedOperatorApplyJacobian \
795     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
796 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
797                                 int *dustatevec, int *dresvec, int *rqst,
798                                 int *err) {
799 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
800 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
801 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
802 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
803 }
804 
805 #define fCeedOperatorDestroy \
806     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
807 void fCeedOperatorDestroy(int *op, int *err) {
808   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
809   if (*err) return;
810   CeedOperator_n--;
811   if (CeedOperator_n == 0) {
812     *err = CeedFree(&CeedOperator_dict);
813     CeedOperator_count = 0;
814     CeedOperator_count_max = 0;
815   }
816 }
817