xref: /libCEED/interface/ceed-fortran.c (revision 6f7d248d47a62b82d193827cb08f70763bbb868d)
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 *ndof, int *ncomp, int *memtype, int *copymode,
189                                 const int *indices, int *elemrestriction, int *err) {
190   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
191     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
192     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
193   }
194 
195   const int *indices_ = indices;
196 
197   CeedElemRestriction *elemrestriction_ =
198     &CeedElemRestriction_dict[CeedElemRestriction_count];
199   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize, *ndof,
200                                    *ncomp,
201                                    *memtype, *copymode, indices_, elemrestriction_);
202 
203   if (*err == 0) {
204     *elemrestriction = CeedElemRestriction_count++;
205     CeedElemRestriction_n++;
206   }
207 }
208 
209 #define fCeedElemRestrictionCreateIdentity \
210     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
211 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
212                                         int *esize, int *ndof, int *ncomp,
213                                         int *elemrestriction, int *err) {
214   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
215     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
216     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
217   }
218 
219   CeedElemRestriction *elemrestriction_ =
220     &CeedElemRestriction_dict[CeedElemRestriction_count];
221   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
222          *ndof,
223          *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 *ndof, int *ncomp,
235                                        int *mtype, int *cmode,
236                                        int *blkindices, int *elemrestriction, int *err) {
237 
238   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
239     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
240     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
241   }
242 
243   CeedElemRestriction *elemrestriction_ =
244     &CeedElemRestriction_dict[CeedElemRestriction_count];
245   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
246                                           *blocksize, *ndof, *ncomp, *mtype, *cmode, blkindices,
247                                           elemrestriction_);
248 
249   if (*err == 0) {
250     *elemrestriction = CeedElemRestriction_count++;
251     CeedElemRestriction_n++;
252   }
253 }
254 
255 static CeedRequest *CeedRequest_dict = NULL;
256 static int CeedRequest_count = 0;
257 static int CeedRequest_n = 0;
258 static int CeedRequest_count_max = 0;
259 
260 #define fCeedElemRestrictionApply \
261     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
262 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
263                                int *uvec, int *ruvec, int *rqst, int *err) {
264   int createRequest = 1;
265   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
266   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
267     createRequest = 0;
268 
269   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
270     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
271     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
272   }
273 
274   CeedRequest *rqst_;
275   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
276   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
277   else rqst_ = &CeedRequest_dict[CeedRequest_count];
278 
279   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
280                                   *lmode, CeedVector_dict[*uvec], CeedVector_dict[*ruvec], rqst_);
281 
282   if (*err == 0 && createRequest) {
283     *rqst = CeedRequest_count++;
284     CeedRequest_n++;
285   }
286 }
287 
288 
289 
290 #define fCeedElemRestrictionApplyBlock \
291     FORTRAN_NAME(ceedelemrestrictionapplyblock,CEEDELEMRESTRICTIONAPPLYBLOCK)
292 void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode, int *lmode,
293                                     int *uvec, int *ruvec, int *rqst, int *err) {
294   int createRequest = 1;
295   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
296   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
297     createRequest = 0;
298 
299   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
300     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
301     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
302   }
303 
304   CeedRequest *rqst_;
305   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
306   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
307   else rqst_ = &CeedRequest_dict[CeedRequest_count];
308 
309   *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block,
310                                        *tmode, *lmode, CeedVector_dict[*uvec],
311                                        CeedVector_dict[*ruvec], rqst_);
312 
313   if (*err == 0 && createRequest) {
314     *rqst = CeedRequest_count++;
315     CeedRequest_n++;
316   }
317 }
318 
319 #define fCeedElemRestrictionGetMultiplicity \
320     FORTRAN_NAME(ceedelemrestrictiongetmultiplicity,CEEDELEMRESTRICTIONGETMULTIPLICITY)
321 void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
322   *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr],
323                                             CeedVector_dict[*mult]);
324 }
325 
326 
327 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
328 void fCeedRequestWait(int *rqst, int *err) {
329   // TODO Uncomment this once CeedRequestWait is implemented
330   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
331 
332   if (*err == 0) {
333     CeedRequest_n--;
334     if (CeedRequest_n == 0) {
335       CeedFree(&CeedRequest_dict);
336       CeedRequest_count = 0;
337       CeedRequest_count_max = 0;
338     }
339   }
340 }
341 
342 #define fCeedElemRestrictionDestroy \
343     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
344 void fCeedElemRestrictionDestroy(int *elem, int *err) {
345   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
346 
347   if (*err == 0) {
348     CeedElemRestriction_n--;
349     if (CeedElemRestriction_n == 0) {
350       CeedFree(&CeedElemRestriction_dict);
351       CeedElemRestriction_count = 0;
352       CeedElemRestriction_count_max = 0;
353     }
354   }
355 }
356 
357 static CeedBasis *CeedBasis_dict = NULL;
358 static int CeedBasis_count = 0;
359 static int CeedBasis_n = 0;
360 static int CeedBasis_count_max = 0;
361 
362 #define fCeedBasisCreateTensorH1Lagrange \
363     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
364 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
365                                       int *ncomp, int *P, int *Q, int *quadmode, int *basis,
366                                       int *err) {
367   if (CeedBasis_count == CeedBasis_count_max) {
368     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
369     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
370   }
371 
372   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
373                                          *quadmode, &CeedBasis_dict[CeedBasis_count]);
374 
375   if (*err == 0) {
376     *basis = CeedBasis_count++;
377     CeedBasis_n++;
378   }
379 }
380 
381 #define fCeedBasisCreateTensorH1 \
382     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
383 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
384                               int *Q1d, const CeedScalar *interp1d, const CeedScalar *grad1d,
385                               const CeedScalar *qref1d, const CeedScalar *qweight1d, int *basis, int *err) {
386   if (CeedBasis_count == CeedBasis_count_max) {
387     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
388     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
389   }
390 
391   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
392                                  interp1d, grad1d,
393                                  qref1d, qweight1d, &CeedBasis_dict[CeedBasis_count]);
394 
395   if (*err == 0) {
396     *basis = CeedBasis_count++;
397     CeedBasis_n++;
398   }
399 }
400 
401 #define fCeedBasisCreateH1 \
402     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
403 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *ndof,
404                         int *nqpts, const CeedScalar *interp, const CeedScalar *grad,
405                         const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
406   if (CeedBasis_count == CeedBasis_count_max) {
407     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
408     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
409   }
410 
411   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp,
412                            *ndof, *nqpts, interp, grad,
413                            qref, qweight, &CeedBasis_dict[CeedBasis_count]);
414 
415   if (*err == 0) {
416     *basis = CeedBasis_count++;
417     CeedBasis_n++;
418   }
419 }
420 
421 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
422 void fCeedBasisView(int *basis, int *err) {
423   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
424 }
425 
426 #define fCeedQRFactorization \
427     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
428 void fCeedQRFactorization(int *ceed, CeedScalar *mat, CeedScalar *tau, int *m,
429                           int *n, int *err) {
430   *err = CeedQRFactorization(Ceed_dict[*ceed], mat, tau, *m, *n);
431 }
432 
433 #define fCeedBasisGetCollocatedGrad \
434     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
435 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
436                                  int *err) {
437   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
438 }
439 
440 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
441 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
442                      int *u, int *v, int *err) {
443   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
444                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
445                         CeedVector_dict[*v]);
446 }
447 
448 #define fCeedBasisGetNumNodes \
449     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
450 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
451   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
452 }
453 
454 #define fCeedBasisGetNumQuadraturePoints \
455     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
456 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
457   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
458 }
459 
460 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
461 void fCeedBasisDestroy(int *basis, int *err) {
462   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
463 
464   if (*err == 0) {
465     CeedBasis_n--;
466     if (CeedBasis_n == 0) {
467       CeedFree(&CeedBasis_dict);
468       CeedBasis_count = 0;
469       CeedBasis_count_max = 0;
470     }
471   }
472 }
473 
474 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
475 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
476                           int *err) {
477   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
478 }
479 
480 #define fCeedLobattoQuadrature \
481     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
482 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
483                             int *err) {
484   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
485 }
486 
487 static CeedQFunction *CeedQFunction_dict = NULL;
488 static int CeedQFunction_count = 0;
489 static int CeedQFunction_n = 0;
490 static int CeedQFunction_count_max = 0;
491 
492 static int CeedQFunctionFortranStub(void *ctx, int nq,
493                                     const CeedScalar *const *u, CeedScalar *const *v) {
494   fContext *fctx = ctx;
495   int ierr;
496 
497   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
498   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
499           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
500           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
501           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
502   return ierr;
503 }
504 
505 #define fCeedQFunctionCreateInterior \
506     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
507 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
508                                   void (*f)(void *ctx, int *nq,
509                                       const CeedScalar *u,const CeedScalar *u1,
510                                       const CeedScalar *u2,const CeedScalar *u3,
511                                       const CeedScalar *u4,const CeedScalar *u5,
512                                       const CeedScalar *u6,const CeedScalar *u7,
513                                       const CeedScalar *u8,const CeedScalar *u9,
514                                       const CeedScalar *u10,const CeedScalar *u11,
515                                       const CeedScalar *u12,const CeedScalar *u13,
516                                       const CeedScalar *u14,const CeedScalar *u15,
517                                       CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
518                                       CeedScalar *v3,CeedScalar *v4,CeedScalar *v5,
519                                       CeedScalar *v6,CeedScalar *v7,CeedScalar *v8,
520                                       CeedScalar *v9,CeedScalar *v10,CeedScalar *v11,
521                                       CeedScalar *v12,CeedScalar *v13,CeedScalar *v14,
522                                       CeedScalar *v15,int *err),
523                                   const char *focca, int *qf, int *err,
524                                   fortran_charlen_t focca_len) {
525   FIX_STRING(focca);
526   if (CeedQFunction_count == CeedQFunction_count_max) {
527     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
528     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
529   }
530 
531   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
532   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
533                                      CeedQFunctionFortranStub, focca_c, qf_);
534 
535   if (*err == 0) {
536     *qf = CeedQFunction_count++;
537     CeedQFunction_n++;
538 
539   }
540 
541   fContext *fctx;
542   *err = CeedMalloc(1, &fctx);
543   if (*err) return;
544   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
545 
546   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
547 
548   (*qf_)->fortranstatus = true;
549 }
550 
551 #define fCeedQFunctionAddInput \
552     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
553 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
554                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
555                             fortran_charlen_t fieldname_len) {
556   FIX_STRING(fieldname);
557   CeedQFunction qf_ = CeedQFunction_dict[*qf];
558 
559   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
560 }
561 
562 #define fCeedQFunctionAddOutput \
563     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
564 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
565                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
566                              fortran_charlen_t fieldname_len) {
567   FIX_STRING(fieldname);
568   CeedQFunction qf_ = CeedQFunction_dict[*qf];
569 
570   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
571 }
572 
573 #define fCeedQFunctionSetContext \
574     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
575 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
576   CeedQFunction qf_ = CeedQFunction_dict[*qf];
577 
578   fContext *fctx = qf_->ctx;
579   fctx->innerctx = ctx;
580   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
581 }
582 
583 #define fCeedQFunctionApply \
584     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
585 //TODO Need Fixing, double pointer
586 void fCeedQFunctionApply(int *qf, int *Q,
587                          int *u, int *u1, int *u2, int *u3,
588                          int *u4, int *u5, int *u6, int *u7,
589                          int *u8, int *u9, int *u10, int *u11,
590                          int *u12, int *u13, int *u14, int *u15,
591                          int *v, int *v1, int *v2, int *v3,
592                          int *v4, int *v5, int *v6, int *v7,
593                          int *v8, int *v9, int *v10, int *v11,
594                          int *v12, int *v13, int *v14, int *v15, int *err) {
595   CeedQFunction qf_ = CeedQFunction_dict[*qf];
596   CeedVector *in;
597   *err = CeedCalloc(16, &in);
598   if (*err) return;
599   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
600   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
601   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
602   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
603   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
604   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
605   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
606   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
607   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
608   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
609   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
610   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
611   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
612   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
613   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
614   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
615   CeedVector *out;
616   *err = CeedCalloc(16, &out);
617   if (*err) return;
618   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
619   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
620   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
621   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
622   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
623   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
624   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
625   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
626   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
627   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
628   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
629   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
630   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
631   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
632   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
633   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
634   *err = CeedQFunctionApply(qf_, *Q, in, out);
635   if (*err) return;
636 
637   *err = CeedFree(&in);
638   if (*err) return;
639   *err = CeedFree(&out);
640 }
641 
642 #define fCeedQFunctionDestroy \
643     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
644 void fCeedQFunctionDestroy(int *qf, int *err) {
645   fContext *fctx = CeedQFunction_dict[*qf]->ctx;
646   *err = CeedFree(&fctx);
647   if (*err) return;
648 
649   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
650   if (*err) return;
651 
652   CeedQFunction_n--;
653   if (CeedQFunction_n == 0) {
654     *err = CeedFree(&CeedQFunction_dict);
655     CeedQFunction_count = 0;
656     CeedQFunction_count_max = 0;
657   }
658 }
659 
660 static CeedOperator *CeedOperator_dict = NULL;
661 static int CeedOperator_count = 0;
662 static int CeedOperator_n = 0;
663 static int CeedOperator_count_max = 0;
664 
665 #define fCeedOperatorCreate \
666     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
667 void fCeedOperatorCreate(int *ceed,
668                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
669   if (CeedOperator_count == CeedOperator_count_max)
670     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
671                               CeedOperator_dict =
672                                 realloc(CeedOperator_dict, sizeof(CeedOperator)*CeedOperator_count_max);
673 
674   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
675 
676   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
677   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
678   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
679 
680   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
681                             dqfT_, op_);
682   if (*err) return;
683   *op = CeedOperator_count++;
684   CeedOperator_n++;
685 }
686 
687 #define fCeedCompositeOperatorCreate \
688     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
689 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
690   if (CeedOperator_count == CeedOperator_count_max)
691     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
692                               CeedOperator_dict =
693                                 realloc(CeedOperator_dict, sizeof(CeedOperator)*CeedOperator_count_max);
694 
695   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
696 
697   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
698   if (*err) return;
699   *op = CeedOperator_count++;
700   CeedOperator_n++;
701 }
702 
703 #define fCeedOperatorSetField \
704     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
705 void fCeedOperatorSetField(int *op, const char *fieldname,
706                            int *r, int *lmode, int *b, int *v, int *err,
707                            fortran_charlen_t fieldname_len) {
708   FIX_STRING(fieldname);
709   CeedElemRestriction r_;
710   CeedBasis b_;
711   CeedVector v_;
712 
713   CeedOperator op_ = CeedOperator_dict[*op];
714 
715   if (*r == FORTRAN_NULL) {
716     r_ = NULL;
717   } else {
718     r_ = CeedElemRestriction_dict[*r];
719   }
720 
721   if (*b == FORTRAN_NULL) {
722     b_ = NULL;
723   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
724     b_ = CEED_BASIS_COLLOCATED;
725   } else {
726     b_ = CeedBasis_dict[*b];
727   }
728   if (*v == FORTRAN_NULL) {
729     v_ = NULL;
730   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
731     v_ = CEED_VECTOR_ACTIVE;
732   } else if (*v == FORTRAN_VECTOR_NONE) {
733     v_ = CEED_VECTOR_NONE;
734   } else {
735     v_ = CeedVector_dict[*v];
736   }
737 
738   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
739 }
740 
741 #define fCeedCompositeOperatorAddSub \
742     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
743 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
744   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
745   CeedOperator subop_ = CeedOperator_dict[*subop];
746 
747   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
748   if (*err) return;
749 }
750 
751 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
752 void fCeedOperatorApply(int *op, int *ustatevec,
753                         int *resvec, int *rqst, int *err) {
754   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
755                           ? NULL : CeedVector_dict[*ustatevec];
756   CeedVector resvec_ = *resvec == FORTRAN_NULL
757                        ? NULL : CeedVector_dict[*resvec];
758 
759   int createRequest = 1;
760   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
761   if (*rqst == -1 || *rqst == -2) {
762     createRequest = 0;
763   }
764 
765   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
766     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
767     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
768   }
769 
770   CeedRequest *rqst_;
771   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
772   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
773   else rqst_ = &CeedRequest_dict[CeedRequest_count];
774 
775   *err = CeedOperatorApply(CeedOperator_dict[*op],
776                            ustatevec_, resvec_, rqst_);
777   if (*err) return;
778   if (createRequest) {
779     *rqst = CeedRequest_count++;
780     CeedRequest_n++;
781   }
782 }
783 
784 #define fCeedOperatorApplyJacobian \
785     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
786 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
787                                 int *dustatevec, int *dresvec, int *rqst, int *err) {
788 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
789 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
790 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
791 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
792 }
793 
794 #define fCeedOperatorDestroy \
795     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
796 void fCeedOperatorDestroy(int *op, int *err) {
797   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
798   if (*err) return;
799   CeedOperator_n--;
800   if (CeedOperator_n == 0) {
801     *err = CeedFree(&CeedOperator_dict);
802     CeedOperator_count = 0;
803     CeedOperator_count_max = 0;
804   }
805 }
806