xref: /libCEED/interface/ceed-fortran.c (revision 442e7f0bef50859918b48bfcea0f6ad2d729e89e)
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 #define FORTRAN_QFUNCTION_NONE -1
16 
17 static Ceed *Ceed_dict = NULL;
18 static int Ceed_count = 0;
19 static int Ceed_n = 0;
20 static int Ceed_count_max = 0;
21 
22 // This test should actually be for the gfortran version, but we don't currently
23 // have a configure system to determine that (TODO).  At present, this will use
24 // the smaller integer when run with clang+gfortran=8, for example.  (That is
25 // sketchy, but will likely work for users that don't have huge character
26 // strings.)
27 #if __GNUC__ >= 8
28 typedef size_t fortran_charlen_t;
29 #else
30 typedef int fortran_charlen_t;
31 #endif
32 
33 #define Splice(a, b) a ## b
34 
35 // Fortran strings are generally unterminated and the length is passed as an
36 // extra argument after all the normal arguments.  Some compilers (I only know
37 // of Windows) place the length argument immediately after the string parameter
38 // (TODO).
39 //
40 // We can't just NULL-terminate the string in-place because that could overwrite
41 // other strings or attempt to write to read-only memory.  This macro allocates
42 // a string to hold the null-terminated version of the string that C expects.
43 #define FIX_STRING(stringname)                                          \
44   char Splice(stringname, _c)[1024];                                    \
45   if (Splice(stringname, _len) > 1023)                                  \
46     CeedError(NULL, 1, "Fortran string length too long %zd", (size_t)Splice(stringname, _len)); \
47   strncpy(Splice(stringname, _c), stringname, Splice(stringname, _len)); \
48   Splice(stringname, _c)[Splice(stringname, _len)] = 0;                 \
49 
50 #define fCeedInit FORTRAN_NAME(ceedinit,CEEDINIT)
51 void fCeedInit(const char *resource, int *ceed, int *err,
52                fortran_charlen_t resource_len) {
53   FIX_STRING(resource);
54   if (Ceed_count == Ceed_count_max) {
55     Ceed_count_max += Ceed_count_max/2 + 1;
56     CeedRealloc(Ceed_count_max, &Ceed_dict);
57   }
58 
59   Ceed *ceed_ = &Ceed_dict[Ceed_count];
60   *err = CeedInit(resource_c, ceed_);
61 
62   if (*err == 0) {
63     *ceed = Ceed_count++;
64     Ceed_n++;
65   }
66 }
67 
68 #define fCeedGetPreferredMemType \
69     FORTRAN_NAME(ceedgetpreferredmemtype,CEEDGETPREFERREDMEMTYPE)
70 void fCeedGetPreferredMemType(int *ceed, int *type, int *err) {
71   *err = CeedGetPreferredMemType(Ceed_dict[*ceed], (CeedMemType *)type);
72 }
73 
74 #define fCeedDestroy FORTRAN_NAME(ceeddestroy,CEEDDESTROY)
75 void fCeedDestroy(int *ceed, int *err) {
76   *err = CeedDestroy(&Ceed_dict[*ceed]);
77 
78   if (*err == 0) {
79     Ceed_n--;
80     if (Ceed_n == 0) {
81       CeedFree(&Ceed_dict);
82       Ceed_count = 0;
83       Ceed_count_max = 0;
84     }
85   }
86 }
87 
88 static CeedVector *CeedVector_dict = NULL;
89 static int CeedVector_count = 0;
90 static int CeedVector_n = 0;
91 static int CeedVector_count_max = 0;
92 
93 #define fCeedVectorCreate FORTRAN_NAME(ceedvectorcreate,CEEDVECTORCREATE)
94 void fCeedVectorCreate(int *ceed, int *length, int *vec, int *err) {
95   if (CeedVector_count == CeedVector_count_max) {
96     CeedVector_count_max += CeedVector_count_max/2 + 1;
97     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
98   }
99 
100   CeedVector *vec_ = &CeedVector_dict[CeedVector_count];
101   *err = CeedVectorCreate(Ceed_dict[*ceed], *length, vec_);
102 
103   if (*err == 0) {
104     *vec = CeedVector_count++;
105     CeedVector_n++;
106   }
107 }
108 
109 #define fCeedVectorSetArray FORTRAN_NAME(ceedvectorsetarray,CEEDVECTORSETARRAY)
110 void fCeedVectorSetArray(int *vec, int *memtype, int *copymode,
111                          CeedScalar *array, int64_t *offset, int *err) {
112   *err = CeedVectorSetArray(CeedVector_dict[*vec], *memtype, *copymode,
113                             (CeedScalar *)(array + *offset));
114 }
115 
116 #define fCeedVectorSyncArray FORTRAN_NAME(ceedvectorsyncarray,CEEDVECTORSYNCARRAY)
117 void fCeedVectorSyncArray(int *vec, int *memtype, int *err) {
118   *err = CeedVectorSyncArray(CeedVector_dict[*vec], *memtype);
119 }
120 
121 #define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue,CEEDVECTORSETVALUE)
122 void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) {
123   *err = CeedVectorSetValue(CeedVector_dict[*vec], *value);
124 }
125 
126 #define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray,CEEDVECTORGETARRAY)
127 void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array,
128                          int64_t *offset,
129                          int *err) {
130   CeedScalar *b;
131   CeedVector vec_ = CeedVector_dict[*vec];
132   *err = CeedVectorGetArray(vec_, *memtype, &b);
133   *offset = b - array;
134 }
135 
136 #define fCeedVectorGetArrayRead \
137     FORTRAN_NAME(ceedvectorgetarrayread,CEEDVECTORGETARRAYREAD)
138 void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array,
139                              int64_t *offset, int *err) {
140   const CeedScalar *b;
141   CeedVector vec_ = CeedVector_dict[*vec];
142   *err = CeedVectorGetArrayRead(vec_, *memtype, &b);
143   *offset = b - array;
144 }
145 
146 #define fCeedVectorRestoreArray \
147     FORTRAN_NAME(ceedvectorrestorearray,CEEDVECTORRESTOREARRAY)
148 void fCeedVectorRestoreArray(int *vec, CeedScalar *array,
149                              int64_t *offset, int *err) {
150   *err = CeedVectorRestoreArray(CeedVector_dict[*vec], &array);
151   *offset = 0;
152 }
153 
154 #define fCeedVectorRestoreArrayRead \
155     FORTRAN_NAME(ceedvectorrestorearrayread,CEEDVECTORRESTOREARRAYREAD)
156 void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array,
157                                  int64_t *offset, int *err) {
158   *err = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
159   *offset = 0;
160 }
161 
162 #define fCeedVectorView FORTRAN_NAME(ceedvectorview,CEEDVECTORVIEW)
163 void fCeedVectorView(int *vec, int *err) {
164   *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout);
165 }
166 
167 #define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy,CEEDVECTORDESTROY)
168 void fCeedVectorDestroy(int *vec, int *err) {
169   *err = CeedVectorDestroy(&CeedVector_dict[*vec]);
170 
171   if (*err == 0) {
172     CeedVector_n--;
173     if (CeedVector_n == 0) {
174       CeedFree(&CeedVector_dict);
175       CeedVector_count = 0;
176       CeedVector_count_max = 0;
177     }
178   }
179 }
180 
181 static CeedElemRestriction *CeedElemRestriction_dict = NULL;
182 static int CeedElemRestriction_count = 0;
183 static int CeedElemRestriction_n = 0;
184 static int CeedElemRestriction_count_max = 0;
185 
186 #define fCeedElemRestrictionCreate \
187     FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
188 void fCeedElemRestrictionCreate(int *ceed, int *nelements,
189                                 int *esize, int *nnodes, int *ncomp,
190                                 int *memtype, int *copymode, const int *indices,
191                                 int *elemrestriction, int *err) {
192   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
193     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
194     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
195   }
196 
197   const int *indices_ = indices;
198 
199   CeedElemRestriction *elemrestriction_ =
200     &CeedElemRestriction_dict[CeedElemRestriction_count];
201   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize,
202                                    *nnodes, *ncomp, *memtype, *copymode,
203                                    indices_, elemrestriction_);
204 
205   if (*err == 0) {
206     *elemrestriction = CeedElemRestriction_count++;
207     CeedElemRestriction_n++;
208   }
209 }
210 
211 #define fCeedElemRestrictionCreateIdentity \
212     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
213 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
214                                         int *esize, int *nnodes, int *ncomp,
215                                         int *elemrestriction, int *err) {
216   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
217     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
218     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
219   }
220 
221   CeedElemRestriction *elemrestriction_ =
222     &CeedElemRestriction_dict[CeedElemRestriction_count];
223   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
224          *nnodes, *ncomp, elemrestriction_);
225 
226   if (*err == 0) {
227     *elemrestriction = CeedElemRestriction_count++;
228     CeedElemRestriction_n++;
229   }
230 }
231 
232 #define fCeedElemRestrictionCreateBlocked \
233     FORTRAN_NAME(ceedelemrestrictioncreateblocked,CEEDELEMRESTRICTIONCREATEBLOCKED)
234 void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements,
235                                        int *esize, int *blocksize, int *nnodes,
236                                        int *ncomp, int *mtype, int *cmode,
237                                        int *blkindices, int *elemrestriction,
238                                        int *err) {
239 
240   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
241     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
242     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
243   }
244 
245   CeedElemRestriction *elemrestriction_ =
246     &CeedElemRestriction_dict[CeedElemRestriction_count];
247   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
248                                           *blocksize, *nnodes, *ncomp, *mtype,
249                                           *cmode, blkindices, elemrestriction_);
250 
251   if (*err == 0) {
252     *elemrestriction = CeedElemRestriction_count++;
253     CeedElemRestriction_n++;
254   }
255 }
256 
257 static CeedRequest *CeedRequest_dict = NULL;
258 static int CeedRequest_count = 0;
259 static int CeedRequest_n = 0;
260 static int CeedRequest_count_max = 0;
261 
262 #define fCeedElemRestrictionApply \
263     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
264 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
265                                int *uvec, int *ruvec, int *rqst, int *err) {
266   int createRequest = 1;
267   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
268   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
269     createRequest = 0;
270 
271   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
272     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
273     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
274   }
275 
276   CeedRequest *rqst_;
277   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
278   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
279   else rqst_ = &CeedRequest_dict[CeedRequest_count];
280 
281   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
282                                   *lmode, CeedVector_dict[*uvec],
283                                   CeedVector_dict[*ruvec], rqst_);
284 
285   if (*err == 0 && createRequest) {
286     *rqst = CeedRequest_count++;
287     CeedRequest_n++;
288   }
289 }
290 
291 #define fCeedElemRestrictionApplyBlock \
292     FORTRAN_NAME(ceedelemrestrictionapplyblock,CEEDELEMRESTRICTIONAPPLYBLOCK)
293 void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode,
294                                     int *lmode,
295                                     int *uvec, int *ruvec, int *rqst, int *err) {
296   int createRequest = 1;
297   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
298   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
299     createRequest = 0;
300 
301   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
302     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
303     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
304   }
305 
306   CeedRequest *rqst_;
307   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
308   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
309   else rqst_ = &CeedRequest_dict[CeedRequest_count];
310 
311   *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block,
312                                        *tmode, *lmode, CeedVector_dict[*uvec],
313                                        CeedVector_dict[*ruvec], rqst_);
314 
315   if (*err == 0 && createRequest) {
316     *rqst = CeedRequest_count++;
317     CeedRequest_n++;
318   }
319 }
320 
321 #define fCeedElemRestrictionGetMultiplicity \
322     FORTRAN_NAME(ceedelemrestrictiongetmultiplicity,CEEDELEMRESTRICTIONGETMULTIPLICITY)
323 void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
324   *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr],
325          CeedVector_dict[*mult]);
326 }
327 
328 #define fCeedElemRestrictionView \
329     FORTRAN_NAME(ceedelemrestrictionview,CEEDELEMRESTRICTIONVIEW)
330 void fCeedElemRestrictionView(int *elemr, int *err) {
331   *err = CeedElemRestrictionView(CeedElemRestriction_dict[*elemr], stdout);
332 }
333 
334 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
335 void fCeedRequestWait(int *rqst, int *err) {
336   // TODO Uncomment this once CeedRequestWait is implemented
337   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
338 
339   if (*err == 0) {
340     CeedRequest_n--;
341     if (CeedRequest_n == 0) {
342       CeedFree(&CeedRequest_dict);
343       CeedRequest_count = 0;
344       CeedRequest_count_max = 0;
345     }
346   }
347 }
348 
349 #define fCeedElemRestrictionDestroy \
350     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
351 void fCeedElemRestrictionDestroy(int *elem, int *err) {
352   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
353 
354   if (*err == 0) {
355     CeedElemRestriction_n--;
356     if (CeedElemRestriction_n == 0) {
357       CeedFree(&CeedElemRestriction_dict);
358       CeedElemRestriction_count = 0;
359       CeedElemRestriction_count_max = 0;
360     }
361   }
362 }
363 
364 static CeedBasis *CeedBasis_dict = NULL;
365 static int CeedBasis_count = 0;
366 static int CeedBasis_n = 0;
367 static int CeedBasis_count_max = 0;
368 
369 #define fCeedBasisCreateTensorH1Lagrange \
370     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
371 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
372                                       int *ncomp, int *P, int *Q, int *quadmode,
373                                       int *basis, int *err) {
374   if (CeedBasis_count == CeedBasis_count_max) {
375     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
376     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
377   }
378 
379   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
380                                          *quadmode,
381                                          &CeedBasis_dict[CeedBasis_count]);
382 
383   if (*err == 0) {
384     *basis = CeedBasis_count++;
385     CeedBasis_n++;
386   }
387 }
388 
389 #define fCeedBasisCreateTensorH1 \
390     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
391 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
392                               int *Q1d, const CeedScalar *interp1d,
393                               const CeedScalar *grad1d,
394                               const CeedScalar *qref1d,
395                               const CeedScalar *qweight1d, int *basis,
396                               int *err) {
397   if (CeedBasis_count == CeedBasis_count_max) {
398     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
399     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
400   }
401 
402   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
403                                  interp1d, grad1d, qref1d, qweight1d,
404                                  &CeedBasis_dict[CeedBasis_count]);
405 
406   if (*err == 0) {
407     *basis = CeedBasis_count++;
408     CeedBasis_n++;
409   }
410 }
411 
412 #define fCeedBasisCreateH1 \
413     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
414 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *nnodes,
415                         int *nqpts, const CeedScalar *interp,
416                         const CeedScalar *grad, const CeedScalar *qref,
417                         const CeedScalar *qweight, int *basis, int *err) {
418   if (CeedBasis_count == CeedBasis_count_max) {
419     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
420     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
421   }
422 
423   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp, *nnodes, *nqpts,
424                            interp, grad, qref, qweight,
425                            &CeedBasis_dict[CeedBasis_count]);
426 
427   if (*err == 0) {
428     *basis = CeedBasis_count++;
429     CeedBasis_n++;
430   }
431 }
432 
433 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
434 void fCeedBasisView(int *basis, int *err) {
435   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
436 }
437 
438 #define fCeedQRFactorization \
439     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
440 void fCeedQRFactorization(int *ceed, CeedScalar *mat, CeedScalar *tau, int *m,
441                           int *n, int *err) {
442   *err = CeedQRFactorization(Ceed_dict[*ceed], mat, tau, *m, *n);
443 }
444 
445 #define fCeedSymmetricSchurDecomposition \
446     FORTRAN_NAME(ceedsymmetricschurdecomposition, CEEDSYMMETRICSCHURDECOMPOSITION)
447 void fCeedSymmetricSchurDecomposition(int *ceed, CeedScalar *mat,
448                                       CeedScalar *lambda, int *n, int *err) {
449   *err = CeedSymmetricSchurDecomposition(Ceed_dict[*ceed], mat, lambda, *n);
450 }
451 
452 #define fCeedSimultaneousDiagonalization \
453     FORTRAN_NAME(ceedsimultaneousdiagonalization, CEEDSIMULTANEOUSDIAGONALIZATION)
454 void fCeedSimultaneousDiagonalization(int *ceed, CeedScalar *matA,
455                                       CeedScalar *matB, CeedScalar *x,
456                                       CeedScalar *lambda, int *n, int *err) {
457   *err = CeedSimultaneousDiagonalization(Ceed_dict[*ceed], matA, matB, x,
458                                          lambda, *n);
459 }
460 
461 #define fCeedBasisGetCollocatedGrad \
462     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
463 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
464                                  int *err) {
465   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
466 }
467 
468 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
469 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
470                      int *u, int *v, int *err) {
471   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
472                         *u==FORTRAN_VECTOR_NONE?
473                         CEED_VECTOR_NONE:CeedVector_dict[*u],
474                         CeedVector_dict[*v]);
475 }
476 
477 #define fCeedBasisGetNumNodes \
478     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
479 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
480   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
481 }
482 
483 #define fCeedBasisGetNumQuadraturePoints \
484     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
485 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
486   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
487 }
488 
489 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
490 void fCeedBasisDestroy(int *basis, int *err) {
491   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
492 
493   if (*err == 0) {
494     CeedBasis_n--;
495     if (CeedBasis_n == 0) {
496       CeedFree(&CeedBasis_dict);
497       CeedBasis_count = 0;
498       CeedBasis_count_max = 0;
499     }
500   }
501 }
502 
503 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
504 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
505                           int *err) {
506   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
507 }
508 
509 #define fCeedLobattoQuadrature \
510     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
511 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
512                             int *err) {
513   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
514 }
515 
516 static CeedQFunction *CeedQFunction_dict = NULL;
517 static int CeedQFunction_count = 0;
518 static int CeedQFunction_n = 0;
519 static int CeedQFunction_count_max = 0;
520 
521 static int CeedQFunctionFortranStub(void *ctx, int nq,
522                                     const CeedScalar *const *u,
523                                     CeedScalar *const *v) {
524   fContext *fctx = ctx;
525   int ierr;
526 
527   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
528   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
529           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
530           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
531           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
532   return ierr;
533 }
534 
535 #define fCeedQFunctionCreateInterior \
536     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
537 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
538                                   void (*f)(void *ctx, int *nq,
539                                       const CeedScalar *u,const CeedScalar *u1,
540                                       const CeedScalar *u2,const CeedScalar *u3,
541                                       const CeedScalar *u4,const CeedScalar *u5,
542                                       const CeedScalar *u6,const CeedScalar *u7,
543                                       const CeedScalar *u8,const CeedScalar *u9,
544                                       const CeedScalar *u10,const CeedScalar *u11,
545                                       const CeedScalar *u12,const CeedScalar *u13,
546                                       const CeedScalar *u14,const CeedScalar *u15,
547                                       CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
548                                       CeedScalar *v3,CeedScalar *v4,
549                                       CeedScalar *v5,CeedScalar *v6,
550                                       CeedScalar *v7,CeedScalar *v8,
551                                       CeedScalar *v9,CeedScalar *v10,
552                                       CeedScalar *v11,CeedScalar *v12,
553                                       CeedScalar *v13,CeedScalar *v14,
554                                       CeedScalar *v15,int *err),
555                                   const char *source, int *qf, int *err,
556                                   fortran_charlen_t source_len) {
557   FIX_STRING(source);
558   if (CeedQFunction_count == CeedQFunction_count_max) {
559     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
560     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
561   }
562 
563   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
564   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
565                                      CeedQFunctionFortranStub, source_c, qf_);
566 
567   if (*err == 0) {
568     *qf = CeedQFunction_count++;
569     CeedQFunction_n++;
570   }
571 
572   fContext *fctx;
573   *err = CeedMalloc(1, &fctx);
574   if (*err) return;
575   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
576 
577   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
578 
579   (*qf_)->fortranstatus = true;
580 }
581 
582 #define fCeedQFunctionCreateInteriorByName \
583     FORTRAN_NAME(ceedqfunctioncreateinteriorbyname, CEEDQFUNCTIONCREATEINTERIORBYNAME)
584 void fCeedQFunctionCreateInteriorByName(int *ceed, const char *name, int *qf,
585                                         int *err, fortran_charlen_t name_len) {
586   FIX_STRING(name);
587   if (CeedQFunction_count == CeedQFunction_count_max) {
588     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
589     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
590   }
591 
592   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
593   *err = CeedQFunctionCreateInteriorByName(Ceed_dict[*ceed], name_c, qf_);
594 
595   if (*err == 0) {
596     *qf = CeedQFunction_count++;
597     CeedQFunction_n++;
598   }
599 }
600 
601 #define fCeedQFunctionCreateIdentity \
602     FORTRAN_NAME(ceedqfunctioncreateidentity, CEEDQFUNCTIONCREATEIDENTITY)
603 void fCeedQFunctionCreateIdentity(int *ceed, int *size, int *inmode,
604                                   int *outmode, int *qf, int *err) {
605   if (CeedQFunction_count == CeedQFunction_count_max) {
606     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
607     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
608   }
609 
610   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
611   *err = CeedQFunctionCreateIdentity(Ceed_dict[*ceed], *size, *inmode,
612                                      *outmode, qf_);
613 
614   if (*err == 0) {
615     *qf = CeedQFunction_count++;
616     CeedQFunction_n++;
617   }
618 }
619 
620 #define fCeedQFunctionAddInput \
621     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
622 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
623                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
624                             fortran_charlen_t fieldname_len) {
625   FIX_STRING(fieldname);
626   CeedQFunction qf_ = CeedQFunction_dict[*qf];
627 
628   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
629 }
630 
631 #define fCeedQFunctionAddOutput \
632     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
633 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
634                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
635                              fortran_charlen_t fieldname_len) {
636   FIX_STRING(fieldname);
637   CeedQFunction qf_ = CeedQFunction_dict[*qf];
638 
639   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
640 }
641 
642 #define fCeedQFunctionSetContext \
643     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
644 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
645   CeedQFunction qf_ = CeedQFunction_dict[*qf];
646 
647   fContext *fctx = qf_->ctx;
648   fctx->innerctx = ctx;
649   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
650 }
651 
652 #define fCeedQFunctionApply \
653     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
654 //TODO Need Fixing, double pointer
655 void fCeedQFunctionApply(int *qf, int *Q,
656                          int *u, int *u1, int *u2, int *u3,
657                          int *u4, int *u5, int *u6, int *u7,
658                          int *u8, int *u9, int *u10, int *u11,
659                          int *u12, int *u13, int *u14, int *u15,
660                          int *v, int *v1, int *v2, int *v3,
661                          int *v4, int *v5, int *v6, int *v7,
662                          int *v8, int *v9, int *v10, int *v11,
663                          int *v12, int *v13, int *v14, int *v15, int *err) {
664   CeedQFunction qf_ = CeedQFunction_dict[*qf];
665   CeedVector *in;
666   *err = CeedCalloc(16, &in);
667   if (*err) return;
668   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
669   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
670   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
671   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
672   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
673   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
674   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
675   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
676   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
677   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
678   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
679   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
680   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
681   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
682   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
683   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
684   CeedVector *out;
685   *err = CeedCalloc(16, &out);
686   if (*err) return;
687   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
688   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
689   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
690   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
691   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
692   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
693   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
694   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
695   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
696   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
697   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
698   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
699   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
700   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
701   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
702   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
703   *err = CeedQFunctionApply(qf_, *Q, in, out);
704   if (*err) return;
705 
706   *err = CeedFree(&in);
707   if (*err) return;
708   *err = CeedFree(&out);
709 }
710 
711 #define fCeedQFunctionDestroy \
712     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
713 void fCeedQFunctionDestroy(int *qf, int *err) {
714   bool fstatus;
715   *err = CeedQFunctionGetFortranStatus(CeedQFunction_dict[*qf], &fstatus);
716   if (*err) return;
717   if (fstatus) {
718     fContext *fctx = CeedQFunction_dict[*qf]->ctx;
719     *err = CeedFree(&fctx);
720     if (*err) return;
721   }
722 
723   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
724   if (*err) return;
725 
726   CeedQFunction_n--;
727   if (CeedQFunction_n == 0) {
728     *err = CeedFree(&CeedQFunction_dict);
729     CeedQFunction_count = 0;
730     CeedQFunction_count_max = 0;
731   }
732 }
733 
734 static CeedOperator *CeedOperator_dict = NULL;
735 static int CeedOperator_count = 0;
736 static int CeedOperator_n = 0;
737 static int CeedOperator_count_max = 0;
738 
739 #define fCeedOperatorCreate \
740     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
741 void fCeedOperatorCreate(int *ceed,
742                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
743   if (CeedOperator_count == CeedOperator_count_max)
744     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
745                               CeedOperator_dict = realloc(CeedOperator_dict,
746                                   sizeof(CeedOperator)*CeedOperator_count_max);
747 
748   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
749 
750   CeedQFunction dqf_  = CEED_QFUNCTION_NONE, dqfT_ = CEED_QFUNCTION_NONE;
751   if (*dqf  != FORTRAN_QFUNCTION_NONE) dqf_  = CeedQFunction_dict[*dqf ];
752   if (*dqfT != FORTRAN_QFUNCTION_NONE) dqfT_ = CeedQFunction_dict[*dqfT];
753 
754   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
755                             dqfT_, op_);
756   if (*err) return;
757   *op = CeedOperator_count++;
758   CeedOperator_n++;
759 }
760 
761 #define fCeedCompositeOperatorCreate \
762     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
763 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
764   if (CeedOperator_count == CeedOperator_count_max)
765     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
766                               CeedOperator_dict = realloc(CeedOperator_dict,
767                                   sizeof(CeedOperator)*CeedOperator_count_max);
768 
769   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
770 
771   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
772   if (*err) return;
773   *op = CeedOperator_count++;
774   CeedOperator_n++;
775 }
776 
777 #define fCeedOperatorSetField \
778     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
779 void fCeedOperatorSetField(int *op, const char *fieldname,
780                            int *r, int *lmode, int *b, int *v, int *err,
781                            fortran_charlen_t fieldname_len) {
782   FIX_STRING(fieldname);
783   CeedElemRestriction r_;
784   CeedBasis b_;
785   CeedVector v_;
786 
787   CeedOperator op_ = CeedOperator_dict[*op];
788 
789   if (*r == FORTRAN_NULL) {
790     r_ = NULL;
791   } else {
792     r_ = CeedElemRestriction_dict[*r];
793   }
794 
795   if (*b == FORTRAN_NULL) {
796     b_ = NULL;
797   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
798     b_ = CEED_BASIS_COLLOCATED;
799   } else {
800     b_ = CeedBasis_dict[*b];
801   }
802   if (*v == FORTRAN_NULL) {
803     v_ = NULL;
804   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
805     v_ = CEED_VECTOR_ACTIVE;
806   } else if (*v == FORTRAN_VECTOR_NONE) {
807     v_ = CEED_VECTOR_NONE;
808   } else {
809     v_ = CeedVector_dict[*v];
810   }
811 
812   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
813 }
814 
815 #define fCeedCompositeOperatorAddSub \
816     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
817 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
818   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
819   CeedOperator subop_ = CeedOperator_dict[*subop];
820 
821   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
822   if (*err) return;
823 }
824 
825 #define fCeedOperatorAssembleLinearQFunction FORTRAN_NAME(ceedoperatorassemblelinearqfunction, CEEDOPERATORASSEMBLELINEARQFUNCTION)
826 void fCeedOperatorAssembleLinearQFunction(int *op, int *assembledvec,
827     int *assembledrstr, int *rqst, int *err) {
828   // Vector
829   if (CeedVector_count == CeedVector_count_max) {
830     CeedVector_count_max += CeedVector_count_max/2 + 1;
831     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
832   }
833   CeedVector *assembledvec_ = &CeedVector_dict[CeedVector_count];
834 
835   // Restriction
836   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
837     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
838     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
839   }
840   CeedElemRestriction *rstr_ =
841     &CeedElemRestriction_dict[CeedElemRestriction_count];
842 
843   int createRequest = 1;
844   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
845   if (*rqst == -1 || *rqst == -2) {
846     createRequest = 0;
847   }
848 
849   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
850     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
851     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
852   }
853 
854   CeedRequest *rqst_;
855   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
856   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
857   else rqst_ = &CeedRequest_dict[CeedRequest_count];
858 
859   *err = CeedOperatorAssembleLinearQFunction(CeedOperator_dict[*op],
860          assembledvec_, rstr_, rqst_);
861   if (*err) return;
862   if (createRequest) {
863     *rqst = CeedRequest_count++;
864     CeedRequest_n++;
865   }
866 
867   if (*err == 0) {
868     *assembledrstr = CeedElemRestriction_count++;
869     CeedElemRestriction_n++;
870     *assembledvec = CeedVector_count++;
871     CeedVector_n++;
872   }
873 }
874 
875 #define fCeedOperatorAssembleLinearDiagonal FORTRAN_NAME(ceedoperatorassemblelineardiagonal, CEEDOPERATORASSEMBLELINEARDIAGONAL)
876 void fCeedOperatorAssembleLinearDiagonal(int *op, int *assembledvec,
877     int *rqst, int *err) {
878   // Vector
879   if (CeedVector_count == CeedVector_count_max) {
880     CeedVector_count_max += CeedVector_count_max/2 + 1;
881     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
882   }
883   CeedVector *assembledvec_ = &CeedVector_dict[CeedVector_count];
884 
885   int createRequest = 1;
886   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
887   if (*rqst == -1 || *rqst == -2) {
888     createRequest = 0;
889   }
890 
891   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
892     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
893     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
894   }
895 
896   CeedRequest *rqst_;
897   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
898   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
899   else rqst_ = &CeedRequest_dict[CeedRequest_count];
900 
901   *err = CeedOperatorAssembleLinearDiagonal(CeedOperator_dict[*op],
902          assembledvec_, rqst_);
903   if (*err) return;
904   if (createRequest) {
905     *rqst = CeedRequest_count++;
906     CeedRequest_n++;
907   }
908 
909   if (*err == 0) {
910     *assembledvec = CeedVector_count++;
911     CeedVector_n++;
912   }
913 }
914 
915 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
916 void fCeedOperatorApply(int *op, int *ustatevec,
917                         int *resvec, int *rqst, int *err) {
918   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
919                           ? NULL : CeedVector_dict[*ustatevec];
920   CeedVector resvec_ = *resvec == FORTRAN_NULL
921                        ? NULL : CeedVector_dict[*resvec];
922 
923   int createRequest = 1;
924   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
925   if (*rqst == -1 || *rqst == -2) {
926     createRequest = 0;
927   }
928 
929   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
930     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
931     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
932   }
933 
934   CeedRequest *rqst_;
935   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
936   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
937   else rqst_ = &CeedRequest_dict[CeedRequest_count];
938 
939   *err = CeedOperatorApply(CeedOperator_dict[*op],
940                            ustatevec_, resvec_, rqst_);
941   if (*err) return;
942   if (createRequest) {
943     *rqst = CeedRequest_count++;
944     CeedRequest_n++;
945   }
946 }
947 
948 #define fCeedOperatorApplyJacobian \
949     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
950 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
951                                 int *dustatevec, int *dresvec, int *rqst,
952                                 int *err) {
953 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
954 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
955 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
956 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
957 }
958 
959 #define fCeedOperatorDestroy \
960     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
961 void fCeedOperatorDestroy(int *op, int *err) {
962   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
963   if (*err) return;
964   CeedOperator_n--;
965   if (CeedOperator_n == 0) {
966     *err = CeedFree(&CeedOperator_dict);
967     CeedOperator_count = 0;
968     CeedOperator_count_max = 0;
969   }
970 }
971