xref: /libCEED/interface/ceed-fortran.c (revision 2774d5cba221882c6b4100a2009c80f26d4c6f5c)
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 fCeedVectorSyncArray FORTRAN_NAME(ceedvectorsyncarray,CEEDVECTORSYNCARRAY)
109 void fCeedVectorSyncArray(int *vec, int *memtype, int *err) {
110   *err = CeedVectorSyncArray(CeedVector_dict[*vec], *memtype);
111 }
112 
113 #define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue,CEEDVECTORSETVALUE)
114 void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) {
115   *err = CeedVectorSetValue(CeedVector_dict[*vec], *value);
116 }
117 
118 #define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray,CEEDVECTORGETARRAY)
119 void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array,
120                          int64_t *offset,
121                          int *err) {
122   CeedScalar *b;
123   CeedVector vec_ = CeedVector_dict[*vec];
124   *err = CeedVectorGetArray(vec_, *memtype, &b);
125   *offset = b - array;
126 }
127 
128 #define fCeedVectorGetArrayRead \
129     FORTRAN_NAME(ceedvectorgetarrayread,CEEDVECTORGETARRAYREAD)
130 void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array,
131                              int64_t *offset, int *err) {
132   const CeedScalar *b;
133   CeedVector vec_ = CeedVector_dict[*vec];
134   *err = CeedVectorGetArrayRead(vec_, *memtype, &b);
135   *offset = b - array;
136 }
137 
138 #define fCeedVectorRestoreArray \
139     FORTRAN_NAME(ceedvectorrestorearray,CEEDVECTORRESTOREARRAY)
140 void fCeedVectorRestoreArray(int *vec, CeedScalar *array,
141                              int64_t *offset, int *err) {
142   *err = CeedVectorRestoreArray(CeedVector_dict[*vec], &array);
143   *offset = 0;
144 }
145 
146 #define fCeedVectorRestoreArrayRead \
147     FORTRAN_NAME(ceedvectorrestorearrayread,CEEDVECTORRESTOREARRAYREAD)
148 void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array,
149                                  int64_t *offset, int *err) {
150   *err = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
151   *offset = 0;
152 }
153 
154 #define fCeedVectorView FORTRAN_NAME(ceedvectorview,CEEDVECTORVIEW)
155 void fCeedVectorView(int *vec, int *err) {
156   *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout);
157 }
158 
159 #define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy,CEEDVECTORDESTROY)
160 void fCeedVectorDestroy(int *vec, int *err) {
161   *err = CeedVectorDestroy(&CeedVector_dict[*vec]);
162 
163   if (*err == 0) {
164     CeedVector_n--;
165     if (CeedVector_n == 0) {
166       CeedFree(&CeedVector_dict);
167       CeedVector_count = 0;
168       CeedVector_count_max = 0;
169     }
170   }
171 }
172 
173 static CeedElemRestriction *CeedElemRestriction_dict = NULL;
174 static int CeedElemRestriction_count = 0;
175 static int CeedElemRestriction_n = 0;
176 static int CeedElemRestriction_count_max = 0;
177 
178 #define fCeedElemRestrictionCreate \
179     FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
180 void fCeedElemRestrictionCreate(int *ceed, int *nelements,
181                                 int *esize, int *ndof, int *ncomp, int *memtype, int *copymode,
182                                 const int *indices, int *elemrestriction, int *err) {
183   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
184     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
185     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
186   }
187 
188   const int *indices_ = indices;
189 
190   CeedElemRestriction *elemrestriction_ =
191     &CeedElemRestriction_dict[CeedElemRestriction_count];
192   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize, *ndof,
193                                    *ncomp,
194                                    *memtype, *copymode, indices_, elemrestriction_);
195 
196   if (*err == 0) {
197     *elemrestriction = CeedElemRestriction_count++;
198     CeedElemRestriction_n++;
199   }
200 }
201 
202 #define fCeedElemRestrictionCreateIdentity \
203     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
204 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
205                                         int *esize, int *ndof, int *ncomp,
206                                         int *elemrestriction, int *err) {
207   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
208     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
209     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
210   }
211 
212   CeedElemRestriction *elemrestriction_ =
213     &CeedElemRestriction_dict[CeedElemRestriction_count];
214   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
215          *ndof,
216          *ncomp, elemrestriction_);
217 
218   if (*err == 0) {
219     *elemrestriction = CeedElemRestriction_count++;
220     CeedElemRestriction_n++;
221   }
222 }
223 
224 #define fCeedElemRestrictionCreateBlocked \
225     FORTRAN_NAME(ceedelemrestrictioncreateblocked,CEEDELEMRESTRICTIONCREATEBLOCKED)
226 void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements,
227                                        int *esize, int *blocksize, int *ndof, int *ncomp,
228                                        int *mtype, int *cmode,
229                                        int *blkindices, int *elemrestriction, int *err) {
230 
231   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
232     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
233     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
234   }
235 
236   CeedElemRestriction *elemrestriction_ =
237     &CeedElemRestriction_dict[CeedElemRestriction_count];
238   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
239                                           *blocksize, *ndof, *ncomp, *mtype, *cmode, blkindices,
240                                           elemrestriction_);
241 
242   if (*err == 0) {
243     *elemrestriction = CeedElemRestriction_count++;
244     CeedElemRestriction_n++;
245   }
246 }
247 
248 static CeedRequest *CeedRequest_dict = NULL;
249 static int CeedRequest_count = 0;
250 static int CeedRequest_n = 0;
251 static int CeedRequest_count_max = 0;
252 
253 #define fCeedElemRestrictionApply \
254     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
255 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
256                                int *uvec, int *ruvec, int *rqst, int *err) {
257   int createRequest = 1;
258   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
259   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
260     createRequest = 0;
261 
262   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
263     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
264     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
265   }
266 
267   CeedRequest *rqst_;
268   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
269   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
270   else rqst_ = &CeedRequest_dict[CeedRequest_count];
271 
272   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
273                                   *lmode, CeedVector_dict[*uvec], CeedVector_dict[*ruvec], rqst_);
274 
275   if (*err == 0 && createRequest) {
276     *rqst = CeedRequest_count++;
277     CeedRequest_n++;
278   }
279 }
280 
281 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
282 void fCeedRequestWait(int *rqst, int *err) {
283   // TODO Uncomment this once CeedRequestWait is implemented
284   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
285 
286   if (*err == 0) {
287     CeedRequest_n--;
288     if (CeedRequest_n == 0) {
289       CeedFree(&CeedRequest_dict);
290       CeedRequest_count = 0;
291       CeedRequest_count_max = 0;
292     }
293   }
294 }
295 
296 #define fCeedElemRestrictionDestroy \
297     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
298 void fCeedElemRestrictionDestroy(int *elem, int *err) {
299   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
300 
301   if (*err == 0) {
302     CeedElemRestriction_n--;
303     if (CeedElemRestriction_n == 0) {
304       CeedFree(&CeedElemRestriction_dict);
305       CeedElemRestriction_count = 0;
306       CeedElemRestriction_count_max = 0;
307     }
308   }
309 }
310 
311 static CeedBasis *CeedBasis_dict = NULL;
312 static int CeedBasis_count = 0;
313 static int CeedBasis_n = 0;
314 static int CeedBasis_count_max = 0;
315 
316 #define fCeedBasisCreateTensorH1Lagrange \
317     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
318 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
319                                       int *ncomp, int *P, int *Q, int *quadmode, int *basis,
320                                       int *err) {
321   if (CeedBasis_count == CeedBasis_count_max) {
322     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
323     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
324   }
325 
326   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
327                                          *quadmode, &CeedBasis_dict[CeedBasis_count]);
328 
329   if (*err == 0) {
330     *basis = CeedBasis_count++;
331     CeedBasis_n++;
332   }
333 }
334 
335 #define fCeedBasisCreateTensorH1 \
336     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
337 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
338                               int *Q1d, const CeedScalar *interp1d, const CeedScalar *grad1d,
339                               const CeedScalar *qref1d, const CeedScalar *qweight1d, int *basis, int *err) {
340   if (CeedBasis_count == CeedBasis_count_max) {
341     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
342     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
343   }
344 
345   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
346                                  interp1d, grad1d,
347                                  qref1d, qweight1d, &CeedBasis_dict[CeedBasis_count]);
348 
349   if (*err == 0) {
350     *basis = CeedBasis_count++;
351     CeedBasis_n++;
352   }
353 }
354 
355 #define fCeedBasisCreateH1 \
356     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
357 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *ndof,
358                         int *nqpts, const CeedScalar *interp, const CeedScalar *grad,
359                         const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
360   if (CeedBasis_count == CeedBasis_count_max) {
361     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
362     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
363   }
364 
365   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp,
366                            *ndof, *nqpts, interp, grad,
367                            qref, qweight, &CeedBasis_dict[CeedBasis_count]);
368 
369   if (*err == 0) {
370     *basis = CeedBasis_count++;
371     CeedBasis_n++;
372   }
373 }
374 
375 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
376 void fCeedBasisView(int *basis, int *err) {
377   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
378 }
379 
380 #define fCeedQRFactorization \
381     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
382 void fCeedQRFactorization(CeedScalar *mat, CeedScalar *tau, int *m, int *n,
383                           int *err) {
384   *err = CeedQRFactorization(mat, tau, *m, *n);
385 }
386 
387 #define fCeedBasisGetCollocatedGrad \
388     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
389 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
390                                  int *err) {
391   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
392 }
393 
394 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
395 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
396                      int *u, int *v, int *err) {
397   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
398                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
399                         CeedVector_dict[*v]);
400 }
401 
402 #define fCeedBasisGetNumNodes \
403     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
404 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
405   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
406 }
407 
408 #define fCeedBasisGetNumQuadraturePoints \
409     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
410 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
411   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
412 }
413 
414 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
415 void fCeedBasisDestroy(int *basis, int *err) {
416   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
417 
418   if (*err == 0) {
419     CeedBasis_n--;
420     if (CeedBasis_n == 0) {
421       CeedFree(&CeedBasis_dict);
422       CeedBasis_count = 0;
423       CeedBasis_count_max = 0;
424     }
425   }
426 }
427 
428 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
429 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
430                           int *err) {
431   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
432 }
433 
434 #define fCeedLobattoQuadrature \
435     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
436 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
437                             int *err) {
438   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
439 }
440 
441 static CeedQFunction *CeedQFunction_dict = NULL;
442 static int CeedQFunction_count = 0;
443 static int CeedQFunction_n = 0;
444 static int CeedQFunction_count_max = 0;
445 
446 static int CeedQFunctionFortranStub(void *ctx, int nq,
447                                     const CeedScalar *const *u, CeedScalar *const *v) {
448   fContext *fctx = ctx;
449   int ierr;
450 
451   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
452   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
453           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
454           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
455           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
456   return ierr;
457 }
458 
459 #define fCeedQFunctionCreateInterior \
460     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
461 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
462                                   void (*f)(void *ctx, int *nq,
463                                       const CeedScalar *u,const CeedScalar *u1,
464                                       const CeedScalar *u2,const CeedScalar *u3,
465                                       const CeedScalar *u4,const CeedScalar *u5,
466                                       const CeedScalar *u6,const CeedScalar *u7,
467                                       const CeedScalar *u8,const CeedScalar *u9,
468                                       const CeedScalar *u10,const CeedScalar *u11,
469                                       const CeedScalar *u12,const CeedScalar *u13,
470                                       const CeedScalar *u14,const CeedScalar *u15,
471                                       CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
472                                       CeedScalar *v3,CeedScalar *v4,CeedScalar *v5,
473                                       CeedScalar *v6,CeedScalar *v7,CeedScalar *v8,
474                                       CeedScalar *v9,CeedScalar *v10,CeedScalar *v11,
475                                       CeedScalar *v12,CeedScalar *v13,CeedScalar *v14,
476                                       CeedScalar *v15,int *err),
477                                   const char *focca, int *qf, int *err,
478                                   fortran_charlen_t focca_len) {
479   FIX_STRING(focca);
480   if (CeedQFunction_count == CeedQFunction_count_max) {
481     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
482     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
483   }
484 
485   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
486   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
487                                      CeedQFunctionFortranStub, focca_c, qf_);
488 
489   if (*err == 0) {
490     *qf = CeedQFunction_count++;
491     CeedQFunction_n++;
492 
493   }
494 
495   fContext *fctx;
496   *err = CeedMalloc(1, &fctx);
497   if (*err) return;
498   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
499 
500   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
501 
502   (*qf_)->fortranstatus = true;
503 }
504 
505 #define fCeedQFunctionAddInput \
506     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
507 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
508                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
509                             fortran_charlen_t fieldname_len) {
510   FIX_STRING(fieldname);
511   CeedQFunction qf_ = CeedQFunction_dict[*qf];
512 
513   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
514 }
515 
516 #define fCeedQFunctionAddOutput \
517     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
518 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
519                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
520                              fortran_charlen_t fieldname_len) {
521   FIX_STRING(fieldname);
522   CeedQFunction qf_ = CeedQFunction_dict[*qf];
523 
524   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
525 }
526 
527 #define fCeedQFunctionSetContext \
528     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
529 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
530   CeedQFunction qf_ = CeedQFunction_dict[*qf];
531 
532   fContext *fctx = qf_->ctx;
533   fctx->innerctx = ctx;
534   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
535 }
536 
537 #define fCeedQFunctionApply \
538     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
539 //TODO Need Fixing, double pointer
540 void fCeedQFunctionApply(int *qf, int *Q,
541                          int *u, int *u1, int *u2, int *u3,
542                          int *u4, int *u5, int *u6, int *u7,
543                          int *u8, int *u9, int *u10, int *u11,
544                          int *u12, int *u13, int *u14, int *u15,
545                          int *v, int *v1, int *v2, int *v3,
546                          int *v4, int *v5, int *v6, int *v7,
547                          int *v8, int *v9, int *v10, int *v11,
548                          int *v12, int *v13, int *v14, int *v15, int *err) {
549   CeedQFunction qf_ = CeedQFunction_dict[*qf];
550   CeedVector *in;
551   *err = CeedCalloc(16, &in);
552   if (*err) return;
553   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
554   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
555   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
556   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
557   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
558   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
559   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
560   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
561   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
562   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
563   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
564   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
565   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
566   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
567   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
568   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
569   CeedVector *out;
570   *err = CeedCalloc(16, &out);
571   if (*err) return;
572   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
573   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
574   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
575   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
576   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
577   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
578   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
579   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
580   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
581   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
582   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
583   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
584   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
585   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
586   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
587   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
588   *err = CeedQFunctionApply(qf_, *Q, in, out);
589   if (*err) return;
590 
591   *err = CeedFree(&in);
592   if (*err) return;
593   *err = CeedFree(&out);
594 }
595 
596 #define fCeedQFunctionDestroy \
597     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
598 void fCeedQFunctionDestroy(int *qf, int *err) {
599   fContext *fctx = CeedQFunction_dict[*qf]->ctx;
600   *err = CeedFree(&fctx);
601   if (*err) return;
602 
603   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
604   if (*err) return;
605 
606   CeedQFunction_n--;
607   if (CeedQFunction_n == 0) {
608     *err = CeedFree(&CeedQFunction_dict);
609     CeedQFunction_count = 0;
610     CeedQFunction_count_max = 0;
611   }
612 }
613 
614 static CeedOperator *CeedOperator_dict = NULL;
615 static int CeedOperator_count = 0;
616 static int CeedOperator_n = 0;
617 static int CeedOperator_count_max = 0;
618 
619 #define fCeedOperatorCreate \
620     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
621 void fCeedOperatorCreate(int *ceed,
622                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
623   if (CeedOperator_count == CeedOperator_count_max)
624     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
625                               CeedOperator_dict =
626                                 realloc(CeedOperator_dict, sizeof(CeedOperator)*CeedOperator_count_max);
627 
628   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
629 
630   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
631   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
632   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
633 
634   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
635                             dqfT_, op_);
636   if (*err) return;
637   *op = CeedOperator_count++;
638   CeedOperator_n++;
639 }
640 
641 #define fCeedCompositeOperatorCreate \
642     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
643 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
644   if (CeedOperator_count == CeedOperator_count_max)
645     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
646                               CeedOperator_dict =
647                                 realloc(CeedOperator_dict, sizeof(CeedOperator)*CeedOperator_count_max);
648 
649   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
650 
651   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
652   if (*err) return;
653   *op = CeedOperator_count++;
654   CeedOperator_n++;
655 }
656 
657 #define fCeedOperatorSetField \
658     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
659 void fCeedOperatorSetField(int *op, const char *fieldname,
660                            int *r, int *lmode, int *b, int *v, int *err,
661                            fortran_charlen_t fieldname_len) {
662   FIX_STRING(fieldname);
663   CeedElemRestriction r_;
664   CeedBasis b_;
665   CeedVector v_;
666 
667   CeedOperator op_ = CeedOperator_dict[*op];
668 
669   if (*r == FORTRAN_NULL) {
670     r_ = NULL;
671   } else {
672     r_ = CeedElemRestriction_dict[*r];
673   }
674 
675   if (*b == FORTRAN_NULL) {
676     b_ = NULL;
677   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
678     b_ = CEED_BASIS_COLLOCATED;
679   } else {
680     b_ = CeedBasis_dict[*b];
681   }
682   if (*v == FORTRAN_NULL) {
683     v_ = NULL;
684   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
685     v_ = CEED_VECTOR_ACTIVE;
686   } else if (*v == FORTRAN_VECTOR_NONE) {
687     v_ = CEED_VECTOR_NONE;
688   } else {
689     v_ = CeedVector_dict[*v];
690   }
691 
692   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
693 }
694 
695 #define fCeedCompositeOperatorAddSub \
696     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
697 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
698   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
699   CeedOperator subop_ = CeedOperator_dict[*subop];
700 
701   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
702   if (*err) return;
703 }
704 
705 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
706 void fCeedOperatorApply(int *op, int *ustatevec,
707                         int *resvec, int *rqst, int *err) {
708   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
709                           ? NULL : CeedVector_dict[*ustatevec];
710   CeedVector resvec_ = *resvec == FORTRAN_NULL
711                        ? NULL : CeedVector_dict[*resvec];
712 
713   int createRequest = 1;
714   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
715   if (*rqst == -1 || *rqst == -2) {
716     createRequest = 0;
717   }
718 
719   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
720     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
721     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
722   }
723 
724   CeedRequest *rqst_;
725   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
726   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
727   else rqst_ = &CeedRequest_dict[CeedRequest_count];
728 
729   *err = CeedOperatorApply(CeedOperator_dict[*op],
730                            ustatevec_, resvec_, rqst_);
731   if (*err) return;
732   if (createRequest) {
733     *rqst = CeedRequest_count++;
734     CeedRequest_n++;
735   }
736 }
737 
738 #define fCeedOperatorApplyJacobian \
739     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
740 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
741                                 int *dustatevec, int *dresvec, int *rqst, int *err) {
742 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
743 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
744 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
745 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
746 }
747 
748 #define fCeedOperatorDestroy \
749     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
750 void fCeedOperatorDestroy(int *op, int *err) {
751   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
752   if (*err) return;
753   CeedOperator_n--;
754   if (CeedOperator_n == 0) {
755     *err = CeedFree(&CeedOperator_dict);
756     CeedOperator_count = 0;
757     CeedOperator_count_max = 0;
758   }
759 }
760