xref: /libCEED/interface/ceed-fortran.c (revision 60f77c51b5a8877aa3ab66b685cde4f5f7c967bb)
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 #define fCeedElemRestrictionApplyBlock \
291     FORTRAN_NAME(ceedelemrestrictionapplyblock,CEEDELEMRESTRICTIONAPPLYBLOCK)
292 void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode,
293                                     int *lmode,
294                                     int *uvec, int *ruvec, int *rqst, int *err) {
295   int createRequest = 1;
296   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
297   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
298     createRequest = 0;
299 
300   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
301     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
302     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
303   }
304 
305   CeedRequest *rqst_;
306   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
307   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
308   else rqst_ = &CeedRequest_dict[CeedRequest_count];
309 
310   *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block,
311                                        *tmode, *lmode, CeedVector_dict[*uvec],
312                                        CeedVector_dict[*ruvec], rqst_);
313 
314   if (*err == 0 && createRequest) {
315     *rqst = CeedRequest_count++;
316     CeedRequest_n++;
317   }
318 }
319 
320 #define fCeedElemRestrictionGetMultiplicity \
321     FORTRAN_NAME(ceedelemrestrictiongetmultiplicity,CEEDELEMRESTRICTIONGETMULTIPLICITY)
322 void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
323   *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr],
324          CeedVector_dict[*mult]);
325 }
326 
327 #define fCeedElemRestrictionView \
328     FORTRAN_NAME(ceedelemrestrictionview,CEEDELEMRESTRICTIONVIEW)
329 void fCeedElemRestrictionView(int *elemr, int *err) {
330   *err = CeedElemRestrictionView(CeedElemRestriction_dict[*elemr], stdout);
331 }
332 
333 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
334 void fCeedRequestWait(int *rqst, int *err) {
335   // TODO Uncomment this once CeedRequestWait is implemented
336   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
337 
338   if (*err == 0) {
339     CeedRequest_n--;
340     if (CeedRequest_n == 0) {
341       CeedFree(&CeedRequest_dict);
342       CeedRequest_count = 0;
343       CeedRequest_count_max = 0;
344     }
345   }
346 }
347 
348 #define fCeedElemRestrictionDestroy \
349     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
350 void fCeedElemRestrictionDestroy(int *elem, int *err) {
351   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
352 
353   if (*err == 0) {
354     CeedElemRestriction_n--;
355     if (CeedElemRestriction_n == 0) {
356       CeedFree(&CeedElemRestriction_dict);
357       CeedElemRestriction_count = 0;
358       CeedElemRestriction_count_max = 0;
359     }
360   }
361 }
362 
363 static CeedBasis *CeedBasis_dict = NULL;
364 static int CeedBasis_count = 0;
365 static int CeedBasis_n = 0;
366 static int CeedBasis_count_max = 0;
367 
368 #define fCeedBasisCreateTensorH1Lagrange \
369     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
370 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
371                                       int *ncomp, int *P, int *Q, int *quadmode,
372                                       int *basis, int *err) {
373   if (CeedBasis_count == CeedBasis_count_max) {
374     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
375     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
376   }
377 
378   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
379                                          *quadmode,
380                                          &CeedBasis_dict[CeedBasis_count]);
381 
382   if (*err == 0) {
383     *basis = CeedBasis_count++;
384     CeedBasis_n++;
385   }
386 }
387 
388 #define fCeedBasisCreateTensorH1 \
389     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
390 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
391                               int *Q1d, const CeedScalar *interp1d,
392                               const CeedScalar *grad1d,
393                               const CeedScalar *qref1d,
394                               const CeedScalar *qweight1d, int *basis,
395                               int *err) {
396   if (CeedBasis_count == CeedBasis_count_max) {
397     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
398     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
399   }
400 
401   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
402                                  interp1d, grad1d, qref1d, qweight1d,
403                                  &CeedBasis_dict[CeedBasis_count]);
404 
405   if (*err == 0) {
406     *basis = CeedBasis_count++;
407     CeedBasis_n++;
408   }
409 }
410 
411 #define fCeedBasisCreateH1 \
412     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
413 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *nnodes,
414                         int *nqpts, const CeedScalar *interp,
415                         const CeedScalar *grad, const CeedScalar *qref,
416                         const CeedScalar *qweight, int *basis, int *err) {
417   if (CeedBasis_count == CeedBasis_count_max) {
418     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
419     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
420   }
421 
422   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp, *nnodes, *nqpts,
423                            interp, grad, qref, qweight,
424                            &CeedBasis_dict[CeedBasis_count]);
425 
426   if (*err == 0) {
427     *basis = CeedBasis_count++;
428     CeedBasis_n++;
429   }
430 }
431 
432 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
433 void fCeedBasisView(int *basis, int *err) {
434   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
435 }
436 
437 #define fCeedQRFactorization \
438     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
439 void fCeedQRFactorization(int *ceed, CeedScalar *mat, CeedScalar *tau, int *m,
440                           int *n, int *err) {
441   *err = CeedQRFactorization(Ceed_dict[*ceed], mat, tau, *m, *n);
442 }
443 
444 #define fCeedSymmetricSchurDecomposition \
445     FORTRAN_NAME(ceedsymmetricschurdecomposition, CEEDSYMMETRICSCHURDECOMPOSITION)
446 void fCeedSymmetricSchurDecomposition(int *ceed, CeedScalar *mat,
447                                       CeedScalar *lambda, int *n, int *err) {
448   *err = CeedSymmetricSchurDecomposition(Ceed_dict[*ceed], mat, lambda, *n);
449 }
450 
451 #define fCeedSimultaneousDiagonalization \
452     FORTRAN_NAME(ceedsimultaneousdiagonalization, CEEDSIMULTANEOUSDIAGONALIZATION)
453 void fCeedSimultaneousDiagonalization(int *ceed, CeedScalar *matA,
454                                       CeedScalar *matB, CeedScalar *x,
455                                       CeedScalar *lambda, int *n, int *err) {
456   *err = CeedSimultaneousDiagonalization(Ceed_dict[*ceed], matA, matB, x,
457                                          lambda, *n);
458 }
459 
460 #define fCeedBasisGetCollocatedGrad \
461     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
462 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
463                                  int *err) {
464   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
465 }
466 
467 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
468 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
469                      int *u, int *v, int *err) {
470   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
471                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
472                         CeedVector_dict[*v]);
473 }
474 
475 #define fCeedBasisGetNumNodes \
476     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
477 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
478   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
479 }
480 
481 #define fCeedBasisGetNumQuadraturePoints \
482     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
483 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
484   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
485 }
486 
487 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
488 void fCeedBasisDestroy(int *basis, int *err) {
489   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
490 
491   if (*err == 0) {
492     CeedBasis_n--;
493     if (CeedBasis_n == 0) {
494       CeedFree(&CeedBasis_dict);
495       CeedBasis_count = 0;
496       CeedBasis_count_max = 0;
497     }
498   }
499 }
500 
501 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
502 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
503                           int *err) {
504   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
505 }
506 
507 #define fCeedLobattoQuadrature \
508     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
509 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
510                             int *err) {
511   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
512 }
513 
514 static CeedQFunction *CeedQFunction_dict = NULL;
515 static int CeedQFunction_count = 0;
516 static int CeedQFunction_n = 0;
517 static int CeedQFunction_count_max = 0;
518 
519 static int CeedQFunctionFortranStub(void *ctx, int nq,
520                                     const CeedScalar *const *u,
521                                     CeedScalar *const *v) {
522   fContext *fctx = ctx;
523   int ierr;
524 
525   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
526   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
527           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
528           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
529           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
530   return ierr;
531 }
532 
533 #define fCeedQFunctionCreateInterior \
534     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
535 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
536                                   void (*f)(void *ctx, int *nq,
537                                       const CeedScalar *u,const CeedScalar *u1,
538                                       const CeedScalar *u2,const CeedScalar *u3,
539                                       const CeedScalar *u4,const CeedScalar *u5,
540                                       const CeedScalar *u6,const CeedScalar *u7,
541                                       const CeedScalar *u8,const CeedScalar *u9,
542                                       const CeedScalar *u10,const CeedScalar *u11,
543                                       const CeedScalar *u12,const CeedScalar *u13,
544                                       const CeedScalar *u14,const CeedScalar *u15,
545                                       CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
546                                       CeedScalar *v3,CeedScalar *v4,
547                                       CeedScalar *v5,CeedScalar *v6,
548                                       CeedScalar *v7,CeedScalar *v8,
549                                       CeedScalar *v9,CeedScalar *v10,
550                                       CeedScalar *v11,CeedScalar *v12,
551                                       CeedScalar *v13,CeedScalar *v14,
552                                       CeedScalar *v15,int *err),
553                                   const char *source, int *qf, int *err,
554                                   fortran_charlen_t source_len) {
555   FIX_STRING(source);
556   if (CeedQFunction_count == CeedQFunction_count_max) {
557     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
558     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
559   }
560 
561   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
562   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
563                                      CeedQFunctionFortranStub, source_c, qf_);
564 
565   if (*err == 0) {
566     *qf = CeedQFunction_count++;
567     CeedQFunction_n++;
568   }
569 
570   fContext *fctx;
571   *err = CeedMalloc(1, &fctx);
572   if (*err) return;
573   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
574 
575   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
576 
577   (*qf_)->fortranstatus = true;
578 }
579 
580 #define fCeedQFunctionCreateInteriorByName \
581     FORTRAN_NAME(ceedqfunctioncreateinteriorbyname, CEEDQFUNCTIONCREATEINTERIORBYNAME)
582 void fCeedQFunctionCreateInteriorByName(int *ceed, const char *name, int *qf,
583                                         int *err, fortran_charlen_t name_len) {
584   FIX_STRING(name);
585   if (CeedQFunction_count == CeedQFunction_count_max) {
586     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
587     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
588   }
589 
590   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
591   *err = CeedQFunctionCreateInteriorByName(Ceed_dict[*ceed], name_c, qf_);
592 
593   if (*err == 0) {
594     *qf = CeedQFunction_count++;
595     CeedQFunction_n++;
596   }
597 }
598 
599 #define fCeedQFunctionCreateIdentity \
600     FORTRAN_NAME(ceedqfunctioncreateidentity, CEEDQFUNCTIONCREATEIDENTITY)
601 void fCeedQFunctionCreateIdentity(int *ceed, int *size, int *inmode,
602                                   int *outmode, int *qf, int *err) {
603   if (CeedQFunction_count == CeedQFunction_count_max) {
604     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
605     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
606   }
607 
608   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
609   *err = CeedQFunctionCreateIdentity(Ceed_dict[*ceed], *size, *inmode,
610                                      *outmode, qf_);
611 
612   if (*err == 0) {
613     *qf = CeedQFunction_count++;
614     CeedQFunction_n++;
615   }
616 }
617 
618 #define fCeedQFunctionAddInput \
619     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
620 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
621                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
622                             fortran_charlen_t fieldname_len) {
623   FIX_STRING(fieldname);
624   CeedQFunction qf_ = CeedQFunction_dict[*qf];
625 
626   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
627 }
628 
629 #define fCeedQFunctionAddOutput \
630     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
631 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
632                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
633                              fortran_charlen_t fieldname_len) {
634   FIX_STRING(fieldname);
635   CeedQFunction qf_ = CeedQFunction_dict[*qf];
636 
637   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
638 }
639 
640 #define fCeedQFunctionSetContext \
641     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
642 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
643   CeedQFunction qf_ = CeedQFunction_dict[*qf];
644 
645   fContext *fctx = qf_->ctx;
646   fctx->innerctx = ctx;
647   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
648 }
649 
650 #define fCeedQFunctionApply \
651     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
652 //TODO Need Fixing, double pointer
653 void fCeedQFunctionApply(int *qf, int *Q,
654                          int *u, int *u1, int *u2, int *u3,
655                          int *u4, int *u5, int *u6, int *u7,
656                          int *u8, int *u9, int *u10, int *u11,
657                          int *u12, int *u13, int *u14, int *u15,
658                          int *v, int *v1, int *v2, int *v3,
659                          int *v4, int *v5, int *v6, int *v7,
660                          int *v8, int *v9, int *v10, int *v11,
661                          int *v12, int *v13, int *v14, int *v15, int *err) {
662   CeedQFunction qf_ = CeedQFunction_dict[*qf];
663   CeedVector *in;
664   *err = CeedCalloc(16, &in);
665   if (*err) return;
666   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
667   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
668   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
669   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
670   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
671   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
672   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
673   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
674   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
675   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
676   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
677   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
678   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
679   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
680   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
681   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
682   CeedVector *out;
683   *err = CeedCalloc(16, &out);
684   if (*err) return;
685   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
686   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
687   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
688   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
689   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
690   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
691   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
692   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
693   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
694   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
695   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
696   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
697   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
698   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
699   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
700   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
701   *err = CeedQFunctionApply(qf_, *Q, in, out);
702   if (*err) return;
703 
704   *err = CeedFree(&in);
705   if (*err) return;
706   *err = CeedFree(&out);
707 }
708 
709 #define fCeedQFunctionDestroy \
710     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
711 void fCeedQFunctionDestroy(int *qf, int *err) {
712   bool fstatus;
713   *err = CeedQFunctionGetFortranStatus(CeedQFunction_dict[*qf], &fstatus);
714   if (*err) return;
715   if (fstatus) {
716     fContext *fctx = CeedQFunction_dict[*qf]->ctx;
717     *err = CeedFree(&fctx);
718     if (*err) return;
719   }
720 
721   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
722   if (*err) return;
723 
724   CeedQFunction_n--;
725   if (CeedQFunction_n == 0) {
726     *err = CeedFree(&CeedQFunction_dict);
727     CeedQFunction_count = 0;
728     CeedQFunction_count_max = 0;
729   }
730 }
731 
732 static CeedOperator *CeedOperator_dict = NULL;
733 static int CeedOperator_count = 0;
734 static int CeedOperator_n = 0;
735 static int CeedOperator_count_max = 0;
736 
737 #define fCeedOperatorCreate \
738     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
739 void fCeedOperatorCreate(int *ceed,
740                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
741   if (CeedOperator_count == CeedOperator_count_max)
742     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
743                               CeedOperator_dict = realloc(CeedOperator_dict,
744                                   sizeof(CeedOperator)*CeedOperator_count_max);
745 
746   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
747 
748   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
749   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
750   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
751 
752   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
753                             dqfT_, op_);
754   if (*err) return;
755   *op = CeedOperator_count++;
756   CeedOperator_n++;
757 }
758 
759 #define fCeedCompositeOperatorCreate \
760     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
761 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
762   if (CeedOperator_count == CeedOperator_count_max)
763     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
764                               CeedOperator_dict = realloc(CeedOperator_dict,
765                                   sizeof(CeedOperator)*CeedOperator_count_max);
766 
767   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
768 
769   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
770   if (*err) return;
771   *op = CeedOperator_count++;
772   CeedOperator_n++;
773 }
774 
775 #define fCeedOperatorSetField \
776     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
777 void fCeedOperatorSetField(int *op, const char *fieldname,
778                            int *r, int *lmode, int *b, int *v, int *err,
779                            fortran_charlen_t fieldname_len) {
780   FIX_STRING(fieldname);
781   CeedElemRestriction r_;
782   CeedBasis b_;
783   CeedVector v_;
784 
785   CeedOperator op_ = CeedOperator_dict[*op];
786 
787   if (*r == FORTRAN_NULL) {
788     r_ = NULL;
789   } else {
790     r_ = CeedElemRestriction_dict[*r];
791   }
792 
793   if (*b == FORTRAN_NULL) {
794     b_ = NULL;
795   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
796     b_ = CEED_BASIS_COLLOCATED;
797   } else {
798     b_ = CeedBasis_dict[*b];
799   }
800   if (*v == FORTRAN_NULL) {
801     v_ = NULL;
802   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
803     v_ = CEED_VECTOR_ACTIVE;
804   } else if (*v == FORTRAN_VECTOR_NONE) {
805     v_ = CEED_VECTOR_NONE;
806   } else {
807     v_ = CeedVector_dict[*v];
808   }
809 
810   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
811 }
812 
813 #define fCeedCompositeOperatorAddSub \
814     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
815 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
816   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
817   CeedOperator subop_ = CeedOperator_dict[*subop];
818 
819   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
820   if (*err) return;
821 }
822 
823 #define fCeedOperatorAssembleLinearQFunction FORTRAN_NAME(ceedoperatorassemblelinearqfunction, CEEDOPERATORASSEMBLELINEARQFUNCTION)
824 void fCeedOperatorAssembleLinearQFunction(int *op, int *assembledvec,
825     int *assembledrstr, int *rqst, int *err) {
826   // Vector
827   if (CeedVector_count == CeedVector_count_max) {
828     CeedVector_count_max += CeedVector_count_max/2 + 1;
829     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
830   }
831   CeedVector *assembledvec_ = &CeedVector_dict[CeedVector_count];
832 
833   // Restriction
834   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
835     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
836     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
837   }
838   CeedElemRestriction *rstr_ =
839     &CeedElemRestriction_dict[CeedElemRestriction_count];
840 
841   int createRequest = 1;
842   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
843   if (*rqst == -1 || *rqst == -2) {
844     createRequest = 0;
845   }
846 
847   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
848     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
849     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
850   }
851 
852   CeedRequest *rqst_;
853   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
854   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
855   else rqst_ = &CeedRequest_dict[CeedRequest_count];
856 
857   *err = CeedOperatorAssembleLinearQFunction(CeedOperator_dict[*op],
858          assembledvec_, rstr_, rqst_);
859   if (*err) return;
860   if (createRequest) {
861     *rqst = CeedRequest_count++;
862     CeedRequest_n++;
863   }
864 
865   if (*err == 0) {
866     *assembledrstr = CeedElemRestriction_count++;
867     CeedElemRestriction_n++;
868     *assembledvec = CeedVector_count++;
869     CeedVector_n++;
870   }
871 }
872 
873 #define fCeedOperatorAssembleLinearDiagonal FORTRAN_NAME(ceedoperatorassemblelineardiagonal, CEEDOPERATORASSEMBLELINEARDIAGONAL)
874 void fCeedOperatorAssembleLinearDiagonal(int *op, int *assembledvec,
875     int *rqst, int *err) {
876   // Vector
877   if (CeedVector_count == CeedVector_count_max) {
878     CeedVector_count_max += CeedVector_count_max/2 + 1;
879     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
880   }
881   CeedVector *assembledvec_ = &CeedVector_dict[CeedVector_count];
882 
883   int createRequest = 1;
884   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
885   if (*rqst == -1 || *rqst == -2) {
886     createRequest = 0;
887   }
888 
889   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
890     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
891     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
892   }
893 
894   CeedRequest *rqst_;
895   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
896   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
897   else rqst_ = &CeedRequest_dict[CeedRequest_count];
898 
899   *err = CeedOperatorAssembleLinearDiagonal(CeedOperator_dict[*op],
900          assembledvec_, rqst_);
901   if (*err) return;
902   if (createRequest) {
903     *rqst = CeedRequest_count++;
904     CeedRequest_n++;
905   }
906 
907   if (*err == 0) {
908     *assembledvec = CeedVector_count++;
909     CeedVector_n++;
910   }
911 }
912 
913 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
914 void fCeedOperatorApply(int *op, int *ustatevec,
915                         int *resvec, int *rqst, int *err) {
916   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
917                           ? NULL : CeedVector_dict[*ustatevec];
918   CeedVector resvec_ = *resvec == FORTRAN_NULL
919                        ? NULL : CeedVector_dict[*resvec];
920 
921   int createRequest = 1;
922   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
923   if (*rqst == -1 || *rqst == -2) {
924     createRequest = 0;
925   }
926 
927   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
928     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
929     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
930   }
931 
932   CeedRequest *rqst_;
933   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
934   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
935   else rqst_ = &CeedRequest_dict[CeedRequest_count];
936 
937   *err = CeedOperatorApply(CeedOperator_dict[*op],
938                            ustatevec_, resvec_, rqst_);
939   if (*err) return;
940   if (createRequest) {
941     *rqst = CeedRequest_count++;
942     CeedRequest_n++;
943   }
944 }
945 
946 #define fCeedOperatorApplyJacobian \
947     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
948 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
949                                 int *dustatevec, int *dresvec, int *rqst,
950                                 int *err) {
951 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
952 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
953 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
954 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
955 }
956 
957 #define fCeedOperatorDestroy \
958     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
959 void fCeedOperatorDestroy(int *op, int *err) {
960   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
961   if (*err) return;
962   CeedOperator_n--;
963   if (CeedOperator_n == 0) {
964     *err = CeedFree(&CeedOperator_dict);
965     CeedOperator_count = 0;
966     CeedOperator_count_max = 0;
967   }
968 }
969