xref: /libCEED/interface/ceed-fortran.c (revision 288c044332e33f37503f09b6484fec9d0a55fba1)
1 // Fortran interface
2 #include <ceed.h>
3 #include <ceed-impl.h>
4 #include <ceed-backend.h>
5 #include <ceed-fortran-name.h>
6 #include <stdlib.h>
7 #include <string.h>
8 
9 #define FORTRAN_REQUEST_IMMEDIATE -1
10 #define FORTRAN_REQUEST_ORDERED -2
11 #define FORTRAN_NULL -3
12 #define FORTRAN_BASIS_COLLOCATED -1
13 #define FORTRAN_VECTOR_ACTIVE -1
14 #define FORTRAN_VECTOR_NONE -2
15 
16 static Ceed *Ceed_dict = NULL;
17 static int Ceed_count = 0;
18 static int Ceed_n = 0;
19 static int Ceed_count_max = 0;
20 
21 // This test should actually be for the gfortran version, but we don't currently
22 // have a configure system to determine that (TODO).  At present, this will use
23 // the smaller integer when run with clang+gfortran=8, for example.  (That is
24 // sketchy, but will likely work for users that don't have huge character
25 // strings.)
26 #if __GNUC__ >= 8
27 typedef size_t fortran_charlen_t;
28 #else
29 typedef int fortran_charlen_t;
30 #endif
31 
32 #define Splice(a, b) a ## b
33 
34 // Fortran strings are generally unterminated and the length is passed as an
35 // extra argument after all the normal arguments.  Some compilers (I only know
36 // of Windows) place the length argument immediately after the string parameter
37 // (TODO).
38 //
39 // We can't just NULL-terminate the string in-place because that could overwrite
40 // other strings or attempt to write to read-only memory.  This macro allocates
41 // a string to hold the null-terminated version of the string that C expects.
42 #define FIX_STRING(stringname)                                          \
43   char Splice(stringname, _c)[1024];                                    \
44   if (Splice(stringname, _len) > 1023)                                  \
45     CeedError(NULL, 1, "Fortran string length too long %zd", (size_t)Splice(stringname, _len)); \
46   strncpy(Splice(stringname, _c), stringname, Splice(stringname, _len)); \
47   Splice(stringname, _c)[Splice(stringname, _len)] = 0;                 \
48 
49 #define fCeedInit FORTRAN_NAME(ceedinit,CEEDINIT)
50 void fCeedInit(const char *resource, int *ceed, int *err,
51                fortran_charlen_t resource_len) {
52   FIX_STRING(resource);
53   if (Ceed_count == Ceed_count_max) {
54     Ceed_count_max += Ceed_count_max/2 + 1;
55     CeedRealloc(Ceed_count_max, &Ceed_dict);
56   }
57 
58   Ceed *ceed_ = &Ceed_dict[Ceed_count];
59   *err = CeedInit(resource_c, ceed_);
60 
61   if (*err == 0) {
62     *ceed = Ceed_count++;
63     Ceed_n++;
64   }
65 }
66 
67 #define fCeedGetPreferredMemType \
68     FORTRAN_NAME(ceedgetpreferredmemtype,CEEDGETPREFERREDMEMTYPE)
69 void fCeedGetPreferredMemType(int *ceed, int *type, int *err) {
70   *err = CeedGetPreferredMemType(Ceed_dict[*ceed], (CeedMemType *)type);
71 }
72 
73 #define fCeedDestroy FORTRAN_NAME(ceeddestroy,CEEDDESTROY)
74 void fCeedDestroy(int *ceed, int *err) {
75   *err = CeedDestroy(&Ceed_dict[*ceed]);
76 
77   if (*err == 0) {
78     Ceed_n--;
79     if (Ceed_n == 0) {
80       CeedFree(&Ceed_dict);
81       Ceed_count = 0;
82       Ceed_count_max = 0;
83     }
84   }
85 }
86 
87 static CeedVector *CeedVector_dict = NULL;
88 static int CeedVector_count = 0;
89 static int CeedVector_n = 0;
90 static int CeedVector_count_max = 0;
91 
92 #define fCeedVectorCreate FORTRAN_NAME(ceedvectorcreate,CEEDVECTORCREATE)
93 void fCeedVectorCreate(int *ceed, int *length, int *vec, int *err) {
94   if (CeedVector_count == CeedVector_count_max) {
95     CeedVector_count_max += CeedVector_count_max/2 + 1;
96     CeedRealloc(CeedVector_count_max, &CeedVector_dict);
97   }
98 
99   CeedVector *vec_ = &CeedVector_dict[CeedVector_count];
100   *err = CeedVectorCreate(Ceed_dict[*ceed], *length, vec_);
101 
102   if (*err == 0) {
103     *vec = CeedVector_count++;
104     CeedVector_n++;
105   }
106 }
107 
108 #define fCeedVectorSetArray FORTRAN_NAME(ceedvectorsetarray,CEEDVECTORSETARRAY)
109 void fCeedVectorSetArray(int *vec, int *memtype, int *copymode,
110                          CeedScalar *array, int64_t *offset, int *err) {
111   *err = CeedVectorSetArray(CeedVector_dict[*vec], *memtype, *copymode,
112                             (CeedScalar *)(array + *offset));
113 }
114 
115 #define fCeedVectorSyncArray FORTRAN_NAME(ceedvectorsyncarray,CEEDVECTORSYNCARRAY)
116 void fCeedVectorSyncArray(int *vec, int *memtype, int *err) {
117   *err = CeedVectorSyncArray(CeedVector_dict[*vec], *memtype);
118 }
119 
120 #define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue,CEEDVECTORSETVALUE)
121 void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) {
122   *err = CeedVectorSetValue(CeedVector_dict[*vec], *value);
123 }
124 
125 #define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray,CEEDVECTORGETARRAY)
126 void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array,
127                          int64_t *offset,
128                          int *err) {
129   CeedScalar *b;
130   CeedVector vec_ = CeedVector_dict[*vec];
131   *err = CeedVectorGetArray(vec_, *memtype, &b);
132   *offset = b - array;
133 }
134 
135 #define fCeedVectorGetArrayRead \
136     FORTRAN_NAME(ceedvectorgetarrayread,CEEDVECTORGETARRAYREAD)
137 void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array,
138                              int64_t *offset, int *err) {
139   const CeedScalar *b;
140   CeedVector vec_ = CeedVector_dict[*vec];
141   *err = CeedVectorGetArrayRead(vec_, *memtype, &b);
142   *offset = b - array;
143 }
144 
145 #define fCeedVectorRestoreArray \
146     FORTRAN_NAME(ceedvectorrestorearray,CEEDVECTORRESTOREARRAY)
147 void fCeedVectorRestoreArray(int *vec, CeedScalar *array,
148                              int64_t *offset, int *err) {
149   *err = CeedVectorRestoreArray(CeedVector_dict[*vec], &array);
150   *offset = 0;
151 }
152 
153 #define fCeedVectorRestoreArrayRead \
154     FORTRAN_NAME(ceedvectorrestorearrayread,CEEDVECTORRESTOREARRAYREAD)
155 void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array,
156                                  int64_t *offset, int *err) {
157   *err = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
158   *offset = 0;
159 }
160 
161 #define fCeedVectorView FORTRAN_NAME(ceedvectorview,CEEDVECTORVIEW)
162 void fCeedVectorView(int *vec, int *err) {
163   *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout);
164 }
165 
166 #define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy,CEEDVECTORDESTROY)
167 void fCeedVectorDestroy(int *vec, int *err) {
168   *err = CeedVectorDestroy(&CeedVector_dict[*vec]);
169 
170   if (*err == 0) {
171     CeedVector_n--;
172     if (CeedVector_n == 0) {
173       CeedFree(&CeedVector_dict);
174       CeedVector_count = 0;
175       CeedVector_count_max = 0;
176     }
177   }
178 }
179 
180 static CeedElemRestriction *CeedElemRestriction_dict = NULL;
181 static int CeedElemRestriction_count = 0;
182 static int CeedElemRestriction_n = 0;
183 static int CeedElemRestriction_count_max = 0;
184 
185 #define fCeedElemRestrictionCreate \
186     FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
187 void fCeedElemRestrictionCreate(int *ceed, int *nelements,
188                                 int *esize, int *nnodes, int *ncomp,
189                                 int *memtype, int *copymode, const int *indices,
190                                 int *elemrestriction, int *err) {
191   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
192     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
193     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
194   }
195 
196   const int *indices_ = indices;
197 
198   CeedElemRestriction *elemrestriction_ =
199     &CeedElemRestriction_dict[CeedElemRestriction_count];
200   *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize,
201                                    *nnodes, *ncomp, *memtype, *copymode,
202                                    indices_, elemrestriction_);
203 
204   if (*err == 0) {
205     *elemrestriction = CeedElemRestriction_count++;
206     CeedElemRestriction_n++;
207   }
208 }
209 
210 #define fCeedElemRestrictionCreateIdentity \
211     FORTRAN_NAME(ceedelemrestrictioncreateidentity, CEEDELEMRESTRICTIONCREATEIDENTITY)
212 void fCeedElemRestrictionCreateIdentity(int *ceed, int *nelements,
213                                         int *esize, int *nnodes, int *ncomp,
214                                         int *elemrestriction, int *err) {
215   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
216     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
217     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
218   }
219 
220   CeedElemRestriction *elemrestriction_ =
221     &CeedElemRestriction_dict[CeedElemRestriction_count];
222   *err = CeedElemRestrictionCreateIdentity(Ceed_dict[*ceed], *nelements, *esize,
223          *nnodes, *ncomp, elemrestriction_);
224 
225   if (*err == 0) {
226     *elemrestriction = CeedElemRestriction_count++;
227     CeedElemRestriction_n++;
228   }
229 }
230 
231 #define fCeedElemRestrictionCreateBlocked \
232     FORTRAN_NAME(ceedelemrestrictioncreateblocked,CEEDELEMRESTRICTIONCREATEBLOCKED)
233 void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements,
234                                        int *esize, int *blocksize, int *nnodes,
235                                        int *ncomp, int *mtype, int *cmode,
236                                        int *blkindices, int *elemrestriction,
237                                        int *err) {
238 
239   if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
240     CeedElemRestriction_count_max += CeedElemRestriction_count_max/2 + 1;
241     CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
242   }
243 
244   CeedElemRestriction *elemrestriction_ =
245     &CeedElemRestriction_dict[CeedElemRestriction_count];
246   *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize,
247                                           *blocksize, *nnodes, *ncomp, *mtype,
248                                           *cmode, blkindices, elemrestriction_);
249 
250   if (*err == 0) {
251     *elemrestriction = CeedElemRestriction_count++;
252     CeedElemRestriction_n++;
253   }
254 }
255 
256 static CeedRequest *CeedRequest_dict = NULL;
257 static int CeedRequest_count = 0;
258 static int CeedRequest_n = 0;
259 static int CeedRequest_count_max = 0;
260 
261 #define fCeedElemRestrictionApply \
262     FORTRAN_NAME(ceedelemrestrictionapply,CEEDELEMRESTRICTIONAPPLY)
263 void fCeedElemRestrictionApply(int *elemr, int *tmode, int *lmode,
264                                int *uvec, int *ruvec, int *rqst, int *err) {
265   int createRequest = 1;
266   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
267   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
268     createRequest = 0;
269 
270   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
271     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
272     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
273   }
274 
275   CeedRequest *rqst_;
276   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
277   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
278   else rqst_ = &CeedRequest_dict[CeedRequest_count];
279 
280   *err = CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], *tmode,
281                                   *lmode, CeedVector_dict[*uvec],
282                                   CeedVector_dict[*ruvec], rqst_);
283 
284   if (*err == 0 && createRequest) {
285     *rqst = CeedRequest_count++;
286     CeedRequest_n++;
287   }
288 }
289 
290 
291 
292 #define fCeedElemRestrictionApplyBlock \
293     FORTRAN_NAME(ceedelemrestrictionapplyblock,CEEDELEMRESTRICTIONAPPLYBLOCK)
294 void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode,
295                                     int *lmode,
296                                     int *uvec, int *ruvec, int *rqst, int *err) {
297   int createRequest = 1;
298   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
299   if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED)
300     createRequest = 0;
301 
302   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
303     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
304     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
305   }
306 
307   CeedRequest *rqst_;
308   if      (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
309   else if (*rqst == FORTRAN_REQUEST_ORDERED  ) rqst_ = CEED_REQUEST_ORDERED;
310   else rqst_ = &CeedRequest_dict[CeedRequest_count];
311 
312   *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block,
313                                        *tmode, *lmode, CeedVector_dict[*uvec],
314                                        CeedVector_dict[*ruvec], rqst_);
315 
316   if (*err == 0 && createRequest) {
317     *rqst = CeedRequest_count++;
318     CeedRequest_n++;
319   }
320 }
321 
322 #define fCeedElemRestrictionGetMultiplicity \
323     FORTRAN_NAME(ceedelemrestrictiongetmultiplicity,CEEDELEMRESTRICTIONGETMULTIPLICITY)
324 void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
325   *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr],
326          CeedVector_dict[*mult]);
327 }
328 
329 
330 #define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
331 void fCeedRequestWait(int *rqst, int *err) {
332   // TODO Uncomment this once CeedRequestWait is implemented
333   //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);
334 
335   if (*err == 0) {
336     CeedRequest_n--;
337     if (CeedRequest_n == 0) {
338       CeedFree(&CeedRequest_dict);
339       CeedRequest_count = 0;
340       CeedRequest_count_max = 0;
341     }
342   }
343 }
344 
345 #define fCeedElemRestrictionDestroy \
346     FORTRAN_NAME(ceedelemrestrictiondestroy,CEEDELEMRESTRICTIONDESTROY)
347 void fCeedElemRestrictionDestroy(int *elem, int *err) {
348   *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);
349 
350   if (*err == 0) {
351     CeedElemRestriction_n--;
352     if (CeedElemRestriction_n == 0) {
353       CeedFree(&CeedElemRestriction_dict);
354       CeedElemRestriction_count = 0;
355       CeedElemRestriction_count_max = 0;
356     }
357   }
358 }
359 
360 static CeedBasis *CeedBasis_dict = NULL;
361 static int CeedBasis_count = 0;
362 static int CeedBasis_n = 0;
363 static int CeedBasis_count_max = 0;
364 
365 #define fCeedBasisCreateTensorH1Lagrange \
366     FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
367 void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim,
368                                       int *ncomp, int *P, int *Q, int *quadmode,
369                                       int *basis, int *err) {
370   if (CeedBasis_count == CeedBasis_count_max) {
371     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
372     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
373   }
374 
375   *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *ncomp, *P, *Q,
376                                          *quadmode,
377                                          &CeedBasis_dict[CeedBasis_count]);
378 
379   if (*err == 0) {
380     *basis = CeedBasis_count++;
381     CeedBasis_n++;
382   }
383 }
384 
385 #define fCeedBasisCreateTensorH1 \
386     FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
387 void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *ncomp, int *P1d,
388                               int *Q1d, const CeedScalar *interp1d,
389                               const CeedScalar *grad1d,
390                               const CeedScalar *qref1d,
391                               const CeedScalar *qweight1d, int *basis,
392                               int *err) {
393   if (CeedBasis_count == CeedBasis_count_max) {
394     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
395     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
396   }
397 
398   *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *ncomp, *P1d, *Q1d,
399                                  interp1d, grad1d, qref1d, qweight1d,
400                                  &CeedBasis_dict[CeedBasis_count]);
401 
402   if (*err == 0) {
403     *basis = CeedBasis_count++;
404     CeedBasis_n++;
405   }
406 }
407 
408 #define fCeedBasisCreateH1 \
409     FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
410 void fCeedBasisCreateH1(int *ceed, int *topo, int *ncomp, int *nnodes,
411                         int *nqpts, const CeedScalar *interp,
412                         const CeedScalar *grad, const CeedScalar *qref,
413                         const CeedScalar *qweight, int *basis, int *err) {
414   if (CeedBasis_count == CeedBasis_count_max) {
415     CeedBasis_count_max += CeedBasis_count_max/2 + 1;
416     CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
417   }
418 
419   *err = CeedBasisCreateH1(Ceed_dict[*ceed], *topo, *ncomp, *nnodes, *nqpts,
420                            interp, grad, qref, qweight,
421                            &CeedBasis_dict[CeedBasis_count]);
422 
423   if (*err == 0) {
424     *basis = CeedBasis_count++;
425     CeedBasis_n++;
426   }
427 }
428 
429 #define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
430 void fCeedBasisView(int *basis, int *err) {
431   *err = CeedBasisView(CeedBasis_dict[*basis], stdout);
432 }
433 
434 #define fCeedQRFactorization \
435     FORTRAN_NAME(ceedqrfactorization, CEEDQRFACTORIZATION)
436 void fCeedQRFactorization(int *ceed, CeedScalar *mat, CeedScalar *tau, int *m,
437                           int *n, int *err) {
438   *err = CeedQRFactorization(Ceed_dict[*ceed], mat, tau, *m, *n);
439 }
440 
441 #define fCeedBasisGetCollocatedGrad \
442     FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
443 void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colograd1d,
444                                  int *err) {
445   *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colograd1d);
446 }
447 
448 #define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
449 void fCeedBasisApply(int *basis, int *nelem, int *tmode, int *emode,
450                      int *u, int *v, int *err) {
451   *err = CeedBasisApply(CeedBasis_dict[*basis], *nelem, *tmode, *emode,
452                         *u==FORTRAN_NULL?NULL:CeedVector_dict[*u],
453                         CeedVector_dict[*v]);
454 }
455 
456 #define fCeedBasisGetNumNodes \
457     FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
458 void fCeedBasisGetNumNodes(int *basis, int *P, int *err) {
459   *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P);
460 }
461 
462 #define fCeedBasisGetNumQuadraturePoints \
463     FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
464 void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) {
465   *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q);
466 }
467 
468 #define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy,CEEDBASISDESTROY)
469 void fCeedBasisDestroy(int *basis, int *err) {
470   *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);
471 
472   if (*err == 0) {
473     CeedBasis_n--;
474     if (CeedBasis_n == 0) {
475       CeedFree(&CeedBasis_dict);
476       CeedBasis_count = 0;
477       CeedBasis_count_max = 0;
478     }
479   }
480 }
481 
482 #define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
483 void fCeedGaussQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
484                           int *err) {
485   *err = CeedGaussQuadrature(*Q, qref1d, qweight1d);
486 }
487 
488 #define fCeedLobattoQuadrature \
489     FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
490 void fCeedLobattoQuadrature(int *Q, CeedScalar *qref1d, CeedScalar *qweight1d,
491                             int *err) {
492   *err = CeedLobattoQuadrature(*Q, qref1d, qweight1d);
493 }
494 
495 static CeedQFunction *CeedQFunction_dict = NULL;
496 static int CeedQFunction_count = 0;
497 static int CeedQFunction_n = 0;
498 static int CeedQFunction_count_max = 0;
499 
500 static int CeedQFunctionFortranStub(void *ctx, int nq,
501                                     const CeedScalar *const *u,
502                                     CeedScalar *const *v) {
503   fContext *fctx = ctx;
504   int ierr;
505 
506   CeedScalar *ctx_ = (CeedScalar *) fctx->innerctx;
507   fctx->f((void *)ctx_,&nq,u[0],u[1],u[2],u[3],u[4],u[5],u[6],
508           u[7],u[8],u[9],u[10],u[11],u[12],u[13],u[14],u[15],
509           v[0],v[1],v[2],v[3],v[4],v[5],v[6],v[7],v[8],v[9],
510           v[10],v[11],v[12],v[13],v[14],v[15],&ierr);
511   return ierr;
512 }
513 
514 #define fCeedQFunctionCreateInterior \
515     FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
516 void fCeedQFunctionCreateInterior(int *ceed, int *vlength,
517                                   void (*f)(void *ctx, int *nq,
518                                       const CeedScalar *u,const CeedScalar *u1,
519                                       const CeedScalar *u2,const CeedScalar *u3,
520                                       const CeedScalar *u4,const CeedScalar *u5,
521                                       const CeedScalar *u6,const CeedScalar *u7,
522                                       const CeedScalar *u8,const CeedScalar *u9,
523                                       const CeedScalar *u10,const CeedScalar *u11,
524                                       const CeedScalar *u12,const CeedScalar *u13,
525                                       const CeedScalar *u14,const CeedScalar *u15,
526                                       CeedScalar *v,CeedScalar *v1,CeedScalar *v2,
527                                       CeedScalar *v3,CeedScalar *v4,
528                                       CeedScalar *v5,CeedScalar *v6,
529                                       CeedScalar *v7,CeedScalar *v8,
530                                       CeedScalar *v9,CeedScalar *v10,
531                                       CeedScalar *v11,CeedScalar *v12,
532                                       CeedScalar *v13,CeedScalar *v14,
533                                       CeedScalar *v15,int *err),
534                                   const char *source, int *qf, int *err,
535                                   fortran_charlen_t source_len) {
536   FIX_STRING(source);
537   if (CeedQFunction_count == CeedQFunction_count_max) {
538     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
539     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
540   }
541 
542   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
543   *err = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vlength,
544                                      CeedQFunctionFortranStub, source_c, qf_);
545 
546   if (*err == 0) {
547     *qf = CeedQFunction_count++;
548     CeedQFunction_n++;
549   }
550 
551   fContext *fctx;
552   *err = CeedMalloc(1, &fctx);
553   if (*err) return;
554   fctx->f = f; fctx->innerctx = NULL; fctx->innerctxsize = 0;
555 
556   *err = CeedQFunctionSetContext(*qf_, fctx, sizeof(fContext));
557 
558   (*qf_)->fortranstatus = true;
559 }
560 
561 #define fCeedQFunctionCreateInteriorByName \
562     FORTRAN_NAME(ceedqfunctioncreateinteriorbyname, CEEDQFUNCTIONCREATEINTERIORBYNAME)
563 void fCeedQFunctionCreateInteriorByName(int *ceed, const char *name, int *qf,
564                                         int *err, fortran_charlen_t name_len) {
565   FIX_STRING(name);
566   if (CeedQFunction_count == CeedQFunction_count_max) {
567     CeedQFunction_count_max += CeedQFunction_count_max/2 + 1;
568     CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
569   }
570 
571   CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
572   *err = CeedQFunctionCreateInteriorByName(Ceed_dict[*ceed], name_c, qf_);
573 
574   if (*err == 0) {
575     *qf = CeedQFunction_count++;
576     CeedQFunction_n++;
577   }
578 }
579 
580 #define fCeedQFunctionAddInput \
581     FORTRAN_NAME(ceedqfunctionaddinput,CEEDQFUNCTIONADDINPUT)
582 void fCeedQFunctionAddInput(int *qf, const char *fieldname,
583                             CeedInt *ncomp, CeedEvalMode *emode, int *err,
584                             fortran_charlen_t fieldname_len) {
585   FIX_STRING(fieldname);
586   CeedQFunction qf_ = CeedQFunction_dict[*qf];
587 
588   *err = CeedQFunctionAddInput(qf_, fieldname_c, *ncomp, *emode);
589 }
590 
591 #define fCeedQFunctionAddOutput \
592     FORTRAN_NAME(ceedqfunctionaddoutput,CEEDQFUNCTIONADDOUTPUT)
593 void fCeedQFunctionAddOutput(int *qf, const char *fieldname,
594                              CeedInt *ncomp, CeedEvalMode *emode, int *err,
595                              fortran_charlen_t fieldname_len) {
596   FIX_STRING(fieldname);
597   CeedQFunction qf_ = CeedQFunction_dict[*qf];
598 
599   *err = CeedQFunctionAddOutput(qf_, fieldname_c, *ncomp, *emode);
600 }
601 
602 #define fCeedQFunctionSetContext \
603     FORTRAN_NAME(ceedqfunctionsetcontext,CEEDQFUNCTIONSETCONTEXT)
604 void fCeedQFunctionSetContext(int *qf, CeedScalar *ctx, CeedInt *n, int *err) {
605   CeedQFunction qf_ = CeedQFunction_dict[*qf];
606 
607   fContext *fctx = qf_->ctx;
608   fctx->innerctx = ctx;
609   fctx->innerctxsize = ((size_t) *n)*sizeof(CeedScalar);
610 }
611 
612 #define fCeedQFunctionApply \
613     FORTRAN_NAME(ceedqfunctionapply,CEEDQFUNCTIONAPPLY)
614 //TODO Need Fixing, double pointer
615 void fCeedQFunctionApply(int *qf, int *Q,
616                          int *u, int *u1, int *u2, int *u3,
617                          int *u4, int *u5, int *u6, int *u7,
618                          int *u8, int *u9, int *u10, int *u11,
619                          int *u12, int *u13, int *u14, int *u15,
620                          int *v, int *v1, int *v2, int *v3,
621                          int *v4, int *v5, int *v6, int *v7,
622                          int *v8, int *v9, int *v10, int *v11,
623                          int *v12, int *v13, int *v14, int *v15, int *err) {
624   CeedQFunction qf_ = CeedQFunction_dict[*qf];
625   CeedVector *in;
626   *err = CeedCalloc(16, &in);
627   if (*err) return;
628   in[0] = *u==FORTRAN_NULL?NULL:CeedVector_dict[*u];
629   in[1] = *u1==FORTRAN_NULL?NULL:CeedVector_dict[*u1];
630   in[2] = *u2==FORTRAN_NULL?NULL:CeedVector_dict[*u2];
631   in[3] = *u3==FORTRAN_NULL?NULL:CeedVector_dict[*u3];
632   in[4] = *u4==FORTRAN_NULL?NULL:CeedVector_dict[*u4];
633   in[5] = *u5==FORTRAN_NULL?NULL:CeedVector_dict[*u5];
634   in[6] = *u6==FORTRAN_NULL?NULL:CeedVector_dict[*u6];
635   in[7] = *u7==FORTRAN_NULL?NULL:CeedVector_dict[*u7];
636   in[8] = *u8==FORTRAN_NULL?NULL:CeedVector_dict[*u8];
637   in[9] = *u9==FORTRAN_NULL?NULL:CeedVector_dict[*u9];
638   in[10] = *u10==FORTRAN_NULL?NULL:CeedVector_dict[*u10];
639   in[11] = *u11==FORTRAN_NULL?NULL:CeedVector_dict[*u11];
640   in[12] = *u12==FORTRAN_NULL?NULL:CeedVector_dict[*u12];
641   in[13] = *u13==FORTRAN_NULL?NULL:CeedVector_dict[*u13];
642   in[14] = *u14==FORTRAN_NULL?NULL:CeedVector_dict[*u14];
643   in[15] = *u15==FORTRAN_NULL?NULL:CeedVector_dict[*u15];
644   CeedVector *out;
645   *err = CeedCalloc(16, &out);
646   if (*err) return;
647   out[0] = *v==FORTRAN_NULL?NULL:CeedVector_dict[*v];
648   out[1] = *v1==FORTRAN_NULL?NULL:CeedVector_dict[*v1];
649   out[2] = *v2==FORTRAN_NULL?NULL:CeedVector_dict[*v2];
650   out[3] = *v3==FORTRAN_NULL?NULL:CeedVector_dict[*v3];
651   out[4] = *v4==FORTRAN_NULL?NULL:CeedVector_dict[*v4];
652   out[5] = *v5==FORTRAN_NULL?NULL:CeedVector_dict[*v5];
653   out[6] = *v6==FORTRAN_NULL?NULL:CeedVector_dict[*v6];
654   out[7] = *v7==FORTRAN_NULL?NULL:CeedVector_dict[*v7];
655   out[8] = *v8==FORTRAN_NULL?NULL:CeedVector_dict[*v8];
656   out[9] = *v9==FORTRAN_NULL?NULL:CeedVector_dict[*v9];
657   out[10] = *v10==FORTRAN_NULL?NULL:CeedVector_dict[*v10];
658   out[11] = *v11==FORTRAN_NULL?NULL:CeedVector_dict[*v11];
659   out[12] = *v12==FORTRAN_NULL?NULL:CeedVector_dict[*v12];
660   out[13] = *v13==FORTRAN_NULL?NULL:CeedVector_dict[*v13];
661   out[14] = *v14==FORTRAN_NULL?NULL:CeedVector_dict[*v14];
662   out[15] = *v15==FORTRAN_NULL?NULL:CeedVector_dict[*v15];
663   *err = CeedQFunctionApply(qf_, *Q, in, out);
664   if (*err) return;
665 
666   *err = CeedFree(&in);
667   if (*err) return;
668   *err = CeedFree(&out);
669 }
670 
671 #define fCeedQFunctionDestroy \
672     FORTRAN_NAME(ceedqfunctiondestroy,CEEDQFUNCTIONDESTROY)
673 void fCeedQFunctionDestroy(int *qf, int *err) {
674   fContext *fctx = CeedQFunction_dict[*qf]->ctx;
675   *err = CeedFree(&fctx);
676   if (*err) return;
677 
678   *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
679   if (*err) return;
680 
681   CeedQFunction_n--;
682   if (CeedQFunction_n == 0) {
683     *err = CeedFree(&CeedQFunction_dict);
684     CeedQFunction_count = 0;
685     CeedQFunction_count_max = 0;
686   }
687 }
688 
689 static CeedOperator *CeedOperator_dict = NULL;
690 static int CeedOperator_count = 0;
691 static int CeedOperator_n = 0;
692 static int CeedOperator_count_max = 0;
693 
694 #define fCeedOperatorCreate \
695     FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
696 void fCeedOperatorCreate(int *ceed,
697                          int *qf, int *dqf, int *dqfT, int *op, int *err) {
698   if (CeedOperator_count == CeedOperator_count_max)
699     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
700                               CeedOperator_dict = realloc(CeedOperator_dict,
701                                   sizeof(CeedOperator)*CeedOperator_count_max);
702 
703   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
704 
705   CeedQFunction dqf_  = NULL, dqfT_ = NULL;
706   if (*dqf  != FORTRAN_NULL) dqf_  = CeedQFunction_dict[*dqf ];
707   if (*dqfT != FORTRAN_NULL) dqfT_ = CeedQFunction_dict[*dqfT];
708 
709   *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_,
710                             dqfT_, op_);
711   if (*err) return;
712   *op = CeedOperator_count++;
713   CeedOperator_n++;
714 }
715 
716 #define fCeedCompositeOperatorCreate \
717     FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
718 void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
719   if (CeedOperator_count == CeedOperator_count_max)
720     CeedOperator_count_max += CeedOperator_count_max/2 + 1,
721                               CeedOperator_dict = realloc(CeedOperator_dict,
722                                   sizeof(CeedOperator)*CeedOperator_count_max);
723 
724   CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];
725 
726   *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
727   if (*err) return;
728   *op = CeedOperator_count++;
729   CeedOperator_n++;
730 }
731 
732 #define fCeedOperatorSetField \
733     FORTRAN_NAME(ceedoperatorsetfield,CEEDOPERATORSETFIELD)
734 void fCeedOperatorSetField(int *op, const char *fieldname,
735                            int *r, int *lmode, int *b, int *v, int *err,
736                            fortran_charlen_t fieldname_len) {
737   FIX_STRING(fieldname);
738   CeedElemRestriction r_;
739   CeedBasis b_;
740   CeedVector v_;
741 
742   CeedOperator op_ = CeedOperator_dict[*op];
743 
744   if (*r == FORTRAN_NULL) {
745     r_ = NULL;
746   } else {
747     r_ = CeedElemRestriction_dict[*r];
748   }
749 
750   if (*b == FORTRAN_NULL) {
751     b_ = NULL;
752   } else if (*b == FORTRAN_BASIS_COLLOCATED) {
753     b_ = CEED_BASIS_COLLOCATED;
754   } else {
755     b_ = CeedBasis_dict[*b];
756   }
757   if (*v == FORTRAN_NULL) {
758     v_ = NULL;
759   } else if (*v == FORTRAN_VECTOR_ACTIVE) {
760     v_ = CEED_VECTOR_ACTIVE;
761   } else if (*v == FORTRAN_VECTOR_NONE) {
762     v_ = CEED_VECTOR_NONE;
763   } else {
764     v_ = CeedVector_dict[*v];
765   }
766 
767   *err = CeedOperatorSetField(op_, fieldname_c, r_, *lmode, b_, v_);
768 }
769 
770 #define fCeedCompositeOperatorAddSub \
771     FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
772 void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
773   CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
774   CeedOperator subop_ = CeedOperator_dict[*subop];
775 
776   *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
777   if (*err) return;
778 }
779 
780 #define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
781 void fCeedOperatorApply(int *op, int *ustatevec,
782                         int *resvec, int *rqst, int *err) {
783   CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL
784                           ? NULL : CeedVector_dict[*ustatevec];
785   CeedVector resvec_ = *resvec == FORTRAN_NULL
786                        ? NULL : CeedVector_dict[*resvec];
787 
788   int createRequest = 1;
789   // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
790   if (*rqst == -1 || *rqst == -2) {
791     createRequest = 0;
792   }
793 
794   if (createRequest && CeedRequest_count == CeedRequest_count_max) {
795     CeedRequest_count_max += CeedRequest_count_max/2 + 1;
796     CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
797   }
798 
799   CeedRequest *rqst_;
800   if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
801   else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
802   else rqst_ = &CeedRequest_dict[CeedRequest_count];
803 
804   *err = CeedOperatorApply(CeedOperator_dict[*op],
805                            ustatevec_, resvec_, rqst_);
806   if (*err) return;
807   if (createRequest) {
808     *rqst = CeedRequest_count++;
809     CeedRequest_n++;
810   }
811 }
812 
813 #define fCeedOperatorApplyJacobian \
814     FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
815 void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec,
816                                 int *dustatevec, int *dresvec, int *rqst,
817                                 int *err) {
818 // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
819 //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
820 //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
821 //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
822 }
823 
824 #define fCeedOperatorDestroy \
825     FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
826 void fCeedOperatorDestroy(int *op, int *err) {
827   *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
828   if (*err) return;
829   CeedOperator_n--;
830   if (CeedOperator_n == 0) {
831     *err = CeedFree(&CeedOperator_dict);
832     CeedOperator_count = 0;
833     CeedOperator_count_max = 0;
834   }
835 }
836