// Copyright (c) 2017-2022, Lawrence Livermore National Security, LLC and other CEED contributors.
// All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
//
// SPDX-License-Identifier: BSD-2-Clause
//
// This file is part of CEED:  http://github.com/ceed

// Fortran interface
#include <ceed-fortran-name.h>
#include <ceed-impl.h>
#include <ceed.h>
#include <ceed/backend.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>

#define FORTRAN_REQUEST_IMMEDIATE -1
#define FORTRAN_REQUEST_ORDERED -2
#define FORTRAN_NULL -3
#define FORTRAN_STRIDES_BACKEND -4
#define FORTRAN_VECTOR_ACTIVE -5
#define FORTRAN_VECTOR_NONE -6
#define FORTRAN_ELEMRESTRICTION_NONE -7
#define FORTRAN_BASIS_COLLOCATED -8
#define FORTRAN_QFUNCTION_NONE -9

static Ceed *Ceed_dict      = NULL;
static int   Ceed_count     = 0;
static int   Ceed_n         = 0;
static int   Ceed_count_max = 0;

// This test should actually be for the gfortran version, but we don't currently
// have a configure system to determine that (TODO).  At present, this will use
// the smaller integer when run with clang+gfortran=8, for example.  (That is
// sketchy, but will likely work for users that don't have huge character
// strings.)
#if __GNUC__ >= 8
typedef size_t fortran_charlen_t;
#else
typedef int fortran_charlen_t;
#endif

#define Splice(a, b) a##b

// Fortran strings are generally unterminated and the length is passed as an
// extra argument after all the normal arguments.  Some compilers (I only know
// of Windows) place the length argument immediately after the string parameter
// (TODO).
//
// We can't just NULL-terminate the string in-place because that could overwrite
// other strings or attempt to write to read-only memory.  This macro allocates
// a string to hold the null-terminated version of the string that C expects.
#define FIX_STRING(stringname)                                                                                                            \
  char Splice(stringname, _c)[1024];                                                                                                      \
  if (Splice(stringname, _len) > 1023) *err = CeedError(NULL, 1, "Fortran string length too long %zd", (size_t)Splice(stringname, _len)); \
  strncpy(Splice(stringname, _c), stringname, Splice(stringname, _len));                                                                  \
  Splice(stringname, _c)[Splice(stringname, _len)] = 0;

// -----------------------------------------------------------------------------
// Ceed
// -----------------------------------------------------------------------------
#define fCeedInit FORTRAN_NAME(ceedinit, CEEDINIT)
CEED_EXTERN void fCeedInit(const char *resource, int *ceed, int *err, fortran_charlen_t resource_len) {
  FIX_STRING(resource);
  if (Ceed_count == Ceed_count_max) {
    Ceed_count_max += Ceed_count_max / 2 + 1;
    CeedRealloc(Ceed_count_max, &Ceed_dict);
  }

  Ceed *ceed_ = &Ceed_dict[Ceed_count];
  *err        = CeedInit(resource_c, ceed_);

  if (*err == 0) {
    *ceed = Ceed_count++;
    Ceed_n++;
  }
}

#define fCeedIsDeterministic FORTRAN_NAME(ceedisdeterministic, CEEDISDETERMINISTIC)
CEED_EXTERN void fCeedIsDeterministic(int *ceed, int *is_deterministic, int *err) {
  *err = CeedIsDeterministic(Ceed_dict[*ceed], (bool *)is_deterministic);
}

#define fCeedGetPreferredMemType FORTRAN_NAME(ceedgetpreferredmemtype, CEEDGETPREFERREDMEMTYPE)
CEED_EXTERN void fCeedGetPreferredMemType(int *ceed, int *type, int *err) { *err = CeedGetPreferredMemType(Ceed_dict[*ceed], (CeedMemType *)type); }

#define fCeedView FORTRAN_NAME(ceedview, CEEDVIEW)
CEED_EXTERN void fCeedView(int *ceed, int *err) { *err = CeedView(Ceed_dict[*ceed], stdout); }

#define fCeedDestroy FORTRAN_NAME(ceeddestroy, CEEDDESTROY)
CEED_EXTERN void fCeedDestroy(int *ceed, int *err) {
  if (*ceed == FORTRAN_NULL) return;
  *err = CeedDestroy(&Ceed_dict[*ceed]);

  if (*err == 0) {
    *ceed = FORTRAN_NULL;
    Ceed_n--;
    if (Ceed_n == 0) {
      CeedFree(&Ceed_dict);
      Ceed_count     = 0;
      Ceed_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------
// CeedVector
// -----------------------------------------------------------------------------
static CeedVector *CeedVector_dict      = NULL;
static int         CeedVector_count     = 0;
static int         CeedVector_n         = 0;
static int         CeedVector_count_max = 0;

#define fCeedVectorCreate FORTRAN_NAME(ceedvectorcreate, CEEDVECTORCREATE)
CEED_EXTERN void fCeedVectorCreate(int *ceed, int *length, int *vec, int *err) {
  if (CeedVector_count == CeedVector_count_max) {
    CeedVector_count_max += CeedVector_count_max / 2 + 1;
    CeedRealloc(CeedVector_count_max, &CeedVector_dict);
  }

  CeedVector *vec_ = &CeedVector_dict[CeedVector_count];
  *err             = CeedVectorCreate(Ceed_dict[*ceed], *length, vec_);

  if (*err == 0) {
    *vec = CeedVector_count++;
    CeedVector_n++;
  }
}

#define fCeedVectorSetArray FORTRAN_NAME(ceedvectorsetarray, CEEDVECTORSETARRAY)
CEED_EXTERN void fCeedVectorSetArray(int *vec, int *memtype, int *copymode, CeedScalar *array, int64_t *offset, int *err) {
  *err = CeedVectorSetArray(CeedVector_dict[*vec], (CeedMemType)*memtype, (CeedCopyMode)*copymode, (CeedScalar *)(array + *offset));
}

#define fCeedVectorTakeArray FORTRAN_NAME(ceedvectortakearray, CEEDVECTORTAKEARRAY)
CEED_EXTERN void fCeedVectorTakeArray(int *vec, int *memtype, CeedScalar *array, int64_t *offset, int *err) {
  CeedScalar *b;
  CeedVector  vec_ = CeedVector_dict[*vec];
  *err             = CeedVectorTakeArray(vec_, (CeedMemType)*memtype, &b);
  *offset          = b - array;
}

#define fCeedVectorSyncArray FORTRAN_NAME(ceedvectorsyncarray, CEEDVECTORSYNCARRAY)
CEED_EXTERN void fCeedVectorSyncArray(int *vec, int *memtype, int *err) { *err = CeedVectorSyncArray(CeedVector_dict[*vec], (CeedMemType)*memtype); }

#define fCeedVectorSetValue FORTRAN_NAME(ceedvectorsetvalue, CEEDVECTORSETVALUE)
CEED_EXTERN void fCeedVectorSetValue(int *vec, CeedScalar *value, int *err) { *err = CeedVectorSetValue(CeedVector_dict[*vec], *value); }

#define fCeedVectorGetArray FORTRAN_NAME(ceedvectorgetarray, CEEDVECTORGETARRAY)
CEED_EXTERN void fCeedVectorGetArray(int *vec, int *memtype, CeedScalar *array, int64_t *offset, int *err) {
  CeedScalar *b;
  CeedVector  vec_ = CeedVector_dict[*vec];
  *err             = CeedVectorGetArray(vec_, (CeedMemType)*memtype, &b);
  *offset          = b - array;
}

#define fCeedVectorGetArrayRead FORTRAN_NAME(ceedvectorgetarrayread, CEEDVECTORGETARRAYREAD)
CEED_EXTERN void fCeedVectorGetArrayRead(int *vec, int *memtype, CeedScalar *array, int64_t *offset, int *err) {
  const CeedScalar *b;
  CeedVector        vec_ = CeedVector_dict[*vec];
  *err                   = CeedVectorGetArrayRead(vec_, (CeedMemType)*memtype, &b);
  *offset                = b - array;
}

#define fCeedVectorGetArrayWrite FORTRAN_NAME(ceedvectorgetarraywrite, CEEDVECTORGETARRAYWRITE)
CEED_EXTERN void fCeedVectorGetArrayWrite(int *vec, int *memtype, CeedScalar *array, int64_t *offset, int *err) {
  CeedScalar *b;
  CeedVector  vec_ = CeedVector_dict[*vec];
  *err             = CeedVectorGetArrayWrite(vec_, (CeedMemType)*memtype, &b);
  *offset          = b - array;
}

#define fCeedVectorRestoreArray FORTRAN_NAME(ceedvectorrestorearray, CEEDVECTORRESTOREARRAY)
CEED_EXTERN void fCeedVectorRestoreArray(int *vec, CeedScalar *array, int64_t *offset, int *err) {
  CeedScalar *offsetArray = array + *offset;
  *err                    = CeedVectorRestoreArray(CeedVector_dict[*vec], &offsetArray);
  *offset                 = 0;
}

#define fCeedVectorRestoreArrayRead FORTRAN_NAME(ceedvectorrestorearrayread, CEEDVECTORRESTOREARRAYREAD)
CEED_EXTERN void fCeedVectorRestoreArrayRead(int *vec, const CeedScalar *array, int64_t *offset, int *err) {
  *err    = CeedVectorRestoreArrayRead(CeedVector_dict[*vec], &array);
  *offset = 0;
}

#define fCeedVectorNorm FORTRAN_NAME(ceedvectornorm, CEEDVECTORNORM)
CEED_EXTERN void fCeedVectorNorm(int *vec, int *type, CeedScalar *norm, int *err) {
  *err = CeedVectorNorm(CeedVector_dict[*vec], (CeedNormType)*type, norm);
}

#define fCeedVectorReciprocal FORTRAN_NAME(ceedvectorreciprocal, CEEDVECTORRECIPROCAL)
CEED_EXTERN void fCeedVectorReciprocal(int *vec, int *err) { *err = CeedVectorReciprocal(CeedVector_dict[*vec]); }

#define fCeedVectorView FORTRAN_NAME(ceedvectorview, CEEDVECTORVIEW)
CEED_EXTERN void fCeedVectorView(int *vec, int *err) { *err = CeedVectorView(CeedVector_dict[*vec], "%12.8f", stdout); }

#define fCeedVectorDestroy FORTRAN_NAME(ceedvectordestroy, CEEDVECTORDESTROY)
CEED_EXTERN void fCeedVectorDestroy(int *vec, int *err) {
  if (*vec == FORTRAN_NULL) return;
  *err = CeedVectorDestroy(&CeedVector_dict[*vec]);

  if (*err == 0) {
    *vec = FORTRAN_NULL;
    CeedVector_n--;
    if (CeedVector_n == 0) {
      CeedFree(&CeedVector_dict);
      CeedVector_count     = 0;
      CeedVector_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------
// CeedElemRestriction
// -----------------------------------------------------------------------------
static CeedElemRestriction *CeedElemRestriction_dict      = NULL;
static int                  CeedElemRestriction_count     = 0;
static int                  CeedElemRestriction_n         = 0;
static int                  CeedElemRestriction_count_max = 0;

#define fCeedElemRestrictionCreate FORTRAN_NAME(ceedelemrestrictioncreate, CEEDELEMRESTRICTIONCREATE)
CEED_EXTERN void fCeedElemRestrictionCreate(int *ceed, int *nelements, int *esize, int *num_comp, int *comp_stride, int *lsize, int *memtype,
                                            int *copymode, const int *offsets, int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int *offsets_ = offsets;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreate(Ceed_dict[*ceed], *nelements, *esize, *num_comp, *comp_stride, *lsize, (CeedMemType)*memtype,
                                   (CeedCopyMode)*copymode, offsets_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateOriented FORTRAN_NAME(ceedelemrestrictioncreateoriented, CEEDELEMRESTRICTIONCREATEORIENTED)
CEED_EXTERN void fCeedElemRestrictionCreateOriented(int *ceed, int *nelements, int *esize, int *num_comp, int *comp_stride, int *lsize, int *memtype,
                                                    int *copymode, const int *offsets, const bool *orients, int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int  *offsets_ = offsets;
  const bool *orients_ = orients;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateOriented(Ceed_dict[*ceed], *nelements, *esize, *num_comp, *comp_stride, *lsize, (CeedMemType)*memtype,
                                           (CeedCopyMode)*copymode, offsets_, orients_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateCurlOriented FORTRAN_NAME(ceedelemrestrictioncreatecurloriented, CEEDELEMRESTRICTIONCREATECURLORIENTED)
CEED_EXTERN void fCeedElemRestrictionCreateCurlOriented(int *ceed, int *nelements, int *esize, int *num_comp, int *comp_stride, int *lsize,
                                                        int *memtype, int *copymode, const int *offsets, const int8_t *curlorients,
                                                        int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int    *offsets_     = offsets;
  const int8_t *curlorients_ = curlorients;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateCurlOriented(Ceed_dict[*ceed], *nelements, *esize, *num_comp, *comp_stride, *lsize, (CeedMemType)*memtype,
                                               (CeedCopyMode)*copymode, offsets_, curlorients_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateStrided FORTRAN_NAME(ceedelemrestrictioncreatestrided, CEEDELEMRESTRICTIONCREATESTRIDED)
CEED_EXTERN void fCeedElemRestrictionCreateStrided(int *ceed, int *nelements, int *esize, int *num_comp, int *lsize, int *strides,
                                                   int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err                                  = CeedElemRestrictionCreateStrided(Ceed_dict[*ceed], *nelements, *esize, *num_comp, *lsize,
                                          *strides == FORTRAN_STRIDES_BACKEND ? CEED_STRIDES_BACKEND : strides, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateBlocked FORTRAN_NAME(ceedelemrestrictioncreateblocked, CEEDELEMRESTRICTIONCREATEBLOCKED)
CEED_EXTERN void fCeedElemRestrictionCreateBlocked(int *ceed, int *nelements, int *esize, int *blocksize, int *num_comp, int *comp_stride, int *lsize,
                                                   int *memtype, int *copymode, const int *offsets, int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int *offsets_ = offsets;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateBlocked(Ceed_dict[*ceed], *nelements, *esize, *blocksize, *num_comp, *comp_stride, *lsize, (CeedMemType)*memtype,
                                          (CeedCopyMode)*copymode, offsets_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateBlockedOriented FORTRAN_NAME(ceedelemrestrictioncreateblockedoriented, CEEDELEMRESTRICTIONCREATEBLOCKEDORIENTED)
CEED_EXTERN void fCeedElemRestrictionCreateBlockedOriented(int *ceed, int *nelements, int *esize, int *blocksize, int *num_comp, int *comp_stride,
                                                           int *lsize, int *memtype, int *copymode, const int *offsets, const bool *orients,
                                                           int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int  *offsets_ = offsets;
  const bool *orients_ = orients;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateBlockedOriented(Ceed_dict[*ceed], *nelements, *esize, *blocksize, *num_comp, *comp_stride, *lsize,
                                                  (CeedMemType)*memtype, (CeedCopyMode)*copymode, offsets_, orients_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateBlockedCurlOriented \
  FORTRAN_NAME(ceedelemrestrictioncreateblockedcurloriented, CEEDELEMRESTRICTIONCREATEBLOCKEDCURLORIENTED)
CEED_EXTERN void fCeedElemRestrictionCreateBlockedCurlOriented(int *ceed, int *nelements, int *esize, int *blocksize, int *num_comp, int *comp_stride,
                                                               int *lsize, int *memtype, int *copymode, const int *offsets, const int8_t *curlorients,
                                                               int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  const int    *offsets_     = offsets;
  const int8_t *curlorients_ = curlorients;

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateBlockedCurlOriented(Ceed_dict[*ceed], *nelements, *esize, *blocksize, *num_comp, *comp_stride, *lsize,
                                                      (CeedMemType)*memtype, (CeedCopyMode)*copymode, offsets_, curlorients_, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

#define fCeedElemRestrictionCreateBlockedStrided FORTRAN_NAME(ceedelemrestrictioncreateblockedstrided, CEEDELEMRESTRICTIONCREATEBLOCKEDSTRIDED)
CEED_EXTERN void fCeedElemRestrictionCreateBlockedStrided(int *ceed, int *nelements, int *esize, int *blk_size, int *num_comp, int *lsize,
                                                          int *strides, int *elemrestriction, int *err) {
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }

  CeedElemRestriction *elemrestriction_ = &CeedElemRestriction_dict[CeedElemRestriction_count];
  *err = CeedElemRestrictionCreateBlockedStrided(Ceed_dict[*ceed], *nelements, *esize, *blk_size, *num_comp, *lsize, strides, elemrestriction_);

  if (*err == 0) {
    *elemrestriction = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
  }
}

static CeedRequest *CeedRequest_dict      = NULL;
static int          CeedRequest_count     = 0;
static int          CeedRequest_n         = 0;
static int          CeedRequest_count_max = 0;

#define fCeedElemRestrictionApply FORTRAN_NAME(ceedelemrestrictionapply, CEEDELEMRESTRICTIONAPPLY)
CEED_EXTERN void fCeedElemRestrictionApply(int *elemr, int *tmode, int *uvec, int *ruvec, int *rqst, int *err) {
  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED) createRequest = 0;

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == FORTRAN_REQUEST_ORDERED) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err =
      CeedElemRestrictionApply(CeedElemRestriction_dict[*elemr], (CeedTransposeMode)*tmode, CeedVector_dict[*uvec], CeedVector_dict[*ruvec], rqst_);

  if (*err == 0 && createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }
}

#define fCeedElemRestrictionApplyBlock FORTRAN_NAME(ceedelemrestrictionapplyblock, CEEDELEMRESTRICTIONAPPLYBLOCK)
CEED_EXTERN void fCeedElemRestrictionApplyBlock(int *elemr, int *block, int *tmode, int *uvec, int *ruvec, int *rqst, int *err) {
  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == FORTRAN_REQUEST_IMMEDIATE || *rqst == FORTRAN_REQUEST_ORDERED) createRequest = 0;

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == FORTRAN_REQUEST_IMMEDIATE) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == FORTRAN_REQUEST_ORDERED) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedElemRestrictionApplyBlock(CeedElemRestriction_dict[*elemr], *block, (CeedTransposeMode)*tmode, CeedVector_dict[*uvec],
                                       CeedVector_dict[*ruvec], rqst_);

  if (*err == 0 && createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }
}

#define fCeedElemRestrictionGetMultiplicity FORTRAN_NAME(ceedelemrestrictiongetmultiplicity, CEEDELEMRESTRICTIONGETMULTIPLICITY)
CEED_EXTERN void fCeedElemRestrictionGetMultiplicity(int *elemr, int *mult, int *err) {
  *err = CeedElemRestrictionGetMultiplicity(CeedElemRestriction_dict[*elemr], CeedVector_dict[*mult]);
}

#define fCeedElemRestrictionGetELayout FORTRAN_NAME(ceedelemrestrictiongetelayout, CEEDELEMRESTRICTIONGETELAYOUT)
CEED_EXTERN void fCeedElemRestrictionGetELayout(int *elemr, int *layout, int *err) {
  CeedInt layout_c[3];
  *err = CeedElemRestrictionGetELayout(CeedElemRestriction_dict[*elemr], &layout_c);
  for (int i = 0; i < 3; i++) layout[i] = layout_c[i];
}

#define fCeedElemRestrictionView FORTRAN_NAME(ceedelemrestrictionview, CEEDELEMRESTRICTIONVIEW)
CEED_EXTERN void fCeedElemRestrictionView(int *elemr, int *err) { *err = CeedElemRestrictionView(CeedElemRestriction_dict[*elemr], stdout); }

#define fCeedRequestWait FORTRAN_NAME(ceedrequestwait, CEEDREQUESTWAIT)
CEED_EXTERN void fCeedRequestWait(int *rqst, int *err) {
  // TODO Uncomment this once CeedRequestWait is implemented
  //*err = CeedRequestWait(&CeedRequest_dict[*rqst]);

  if (*err == 0) {
    CeedRequest_n--;
    if (CeedRequest_n == 0) {
      CeedFree(&CeedRequest_dict);
      CeedRequest_count     = 0;
      CeedRequest_count_max = 0;
    }
  }
}

#define fCeedElemRestrictionDestroy FORTRAN_NAME(ceedelemrestrictiondestroy, CEEDELEMRESTRICTIONDESTROY)
CEED_EXTERN void fCeedElemRestrictionDestroy(int *elem, int *err) {
  if (*elem == FORTRAN_NULL) return;
  *err = CeedElemRestrictionDestroy(&CeedElemRestriction_dict[*elem]);

  if (*err == 0) {
    *elem = FORTRAN_NULL;
    CeedElemRestriction_n--;
    if (CeedElemRestriction_n == 0) {
      CeedFree(&CeedElemRestriction_dict);
      CeedElemRestriction_count     = 0;
      CeedElemRestriction_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------
// CeedBasis
// -----------------------------------------------------------------------------
static CeedBasis *CeedBasis_dict      = NULL;
static int        CeedBasis_count     = 0;
static int        CeedBasis_n         = 0;
static int        CeedBasis_count_max = 0;

#define fCeedBasisCreateTensorH1Lagrange FORTRAN_NAME(ceedbasiscreatetensorh1lagrange, CEEDBASISCREATETENSORH1LAGRANGE)
CEED_EXTERN void fCeedBasisCreateTensorH1Lagrange(int *ceed, int *dim, int *num_comp, int *P, int *Q, int *quadmode, int *basis, int *err) {
  if (CeedBasis_count == CeedBasis_count_max) {
    CeedBasis_count_max += CeedBasis_count_max / 2 + 1;
    CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
  }

  *err = CeedBasisCreateTensorH1Lagrange(Ceed_dict[*ceed], *dim, *num_comp, *P, *Q, (CeedQuadMode)*quadmode, &CeedBasis_dict[CeedBasis_count]);

  if (*err == 0) {
    *basis = CeedBasis_count++;
    CeedBasis_n++;
  }
}

#define fCeedBasisCreateTensorH1 FORTRAN_NAME(ceedbasiscreatetensorh1, CEEDBASISCREATETENSORH1)
CEED_EXTERN void fCeedBasisCreateTensorH1(int *ceed, int *dim, int *num_comp, int *P_1d, int *Q_1d, const CeedScalar *interp_1d,
                                          const CeedScalar *grad_1d, const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, int *basis,
                                          int *err) {
  if (CeedBasis_count == CeedBasis_count_max) {
    CeedBasis_count_max += CeedBasis_count_max / 2 + 1;
    CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
  }

  *err = CeedBasisCreateTensorH1(Ceed_dict[*ceed], *dim, *num_comp, *P_1d, *Q_1d, interp_1d, grad_1d, q_ref_1d, q_weight_1d,
                                 &CeedBasis_dict[CeedBasis_count]);

  if (*err == 0) {
    *basis = CeedBasis_count++;
    CeedBasis_n++;
  }
}

#define fCeedBasisCreateH1 FORTRAN_NAME(ceedbasiscreateh1, CEEDBASISCREATEH1)
CEED_EXTERN void fCeedBasisCreateH1(int *ceed, int *topo, int *num_comp, int *nnodes, int *nqpts, const CeedScalar *interp, const CeedScalar *grad,
                                    const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
  if (CeedBasis_count == CeedBasis_count_max) {
    CeedBasis_count_max += CeedBasis_count_max / 2 + 1;
    CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
  }

  *err = CeedBasisCreateH1(Ceed_dict[*ceed], (CeedElemTopology)*topo, *num_comp, *nnodes, *nqpts, interp, grad, qref, qweight,
                           &CeedBasis_dict[CeedBasis_count]);

  if (*err == 0) {
    *basis = CeedBasis_count++;
    CeedBasis_n++;
  }
}

#define fCeedBasisCreateHdiv FORTRAN_NAME(ceedbasiscreatehdiv, CEEDBASISCREATEHDIV)
CEED_EXTERN void fCeedBasisCreateHdiv(int *ceed, int *topo, int *num_comp, int *nnodes, int *nqpts, const CeedScalar *interp, const CeedScalar *div,
                                      const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
  if (CeedBasis_count == CeedBasis_count_max) {
    CeedBasis_count_max += CeedBasis_count_max / 2 + 1;
    CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
  }

  *err = CeedBasisCreateHdiv(Ceed_dict[*ceed], (CeedElemTopology)*topo, *num_comp, *nnodes, *nqpts, interp, div, qref, qweight,
                             &CeedBasis_dict[CeedBasis_count]);

  if (*err == 0) {
    *basis = CeedBasis_count++;
    CeedBasis_n++;
  }
}

#define fCeedBasisCreateHcurl FORTRAN_NAME(ceedbasiscreatehcurl, CEEDBASISCREATEHCURL)
CEED_EXTERN void fCeedBasisCreateHcurl(int *ceed, int *topo, int *num_comp, int *nnodes, int *nqpts, const CeedScalar *interp, const CeedScalar *curl,
                                       const CeedScalar *qref, const CeedScalar *qweight, int *basis, int *err) {
  if (CeedBasis_count == CeedBasis_count_max) {
    CeedBasis_count_max += CeedBasis_count_max / 2 + 1;
    CeedRealloc(CeedBasis_count_max, &CeedBasis_dict);
  }

  *err = CeedBasisCreateHcurl(Ceed_dict[*ceed], (CeedElemTopology)*topo, *num_comp, *nnodes, *nqpts, interp, curl, qref, qweight,
                              &CeedBasis_dict[CeedBasis_count]);

  if (*err == 0) {
    *basis = CeedBasis_count++;
    CeedBasis_n++;
  }
}

#define fCeedBasisView FORTRAN_NAME(ceedbasisview, CEEDBASISVIEW)
CEED_EXTERN void fCeedBasisView(int *basis, int *err) { *err = CeedBasisView(CeedBasis_dict[*basis], stdout); }

#define fCeedBasisGetCollocatedGrad FORTRAN_NAME(ceedbasisgetcollocatedgrad, CEEDBASISGETCOLLOCATEDGRAD)
CEED_EXTERN void fCeedBasisGetCollocatedGrad(int *basis, CeedScalar *colo_grad_1d, int *err) {
  *err = CeedBasisGetCollocatedGrad(CeedBasis_dict[*basis], colo_grad_1d);
}

#define fCeedBasisApply FORTRAN_NAME(ceedbasisapply, CEEDBASISAPPLY)
CEED_EXTERN void fCeedBasisApply(int *basis, int *num_elem, int *tmode, int *eval_mode, int *u, int *v, int *err) {
  *err = CeedBasisApply(CeedBasis_dict[*basis], *num_elem, (CeedTransposeMode)*tmode, (CeedEvalMode)*eval_mode,
                        *u == FORTRAN_VECTOR_NONE ? CEED_VECTOR_NONE : CeedVector_dict[*u], CeedVector_dict[*v]);
}

#define fCeedBasisGetNumNodes FORTRAN_NAME(ceedbasisgetnumnodes, CEEDBASISGETNUMNODES)
CEED_EXTERN void fCeedBasisGetNumNodes(int *basis, int *P, int *err) { *err = CeedBasisGetNumNodes(CeedBasis_dict[*basis], P); }

#define fCeedBasisGetNumQuadraturePoints FORTRAN_NAME(ceedbasisgetnumquadraturepoints, CEEDBASISGETNUMQUADRATUREPOINTS)
CEED_EXTERN void fCeedBasisGetNumQuadraturePoints(int *basis, int *Q, int *err) { *err = CeedBasisGetNumQuadraturePoints(CeedBasis_dict[*basis], Q); }

#define fCeedBasisGetInterp1D FORTRAN_NAME(ceedbasisgetinterp1d, CEEDBASISGETINTERP1D)
CEED_EXTERN void fCeedBasisGetInterp1D(int *basis, CeedScalar *interp_1d, int64_t *offset, int *err) {
  const CeedScalar *interp1d_;
  CeedBasis         basis_ = CeedBasis_dict[*basis];
  *err                     = CeedBasisGetInterp1D(basis_, &interp1d_);
  *offset                  = interp1d_ - interp_1d;
}

#define fCeedBasisGetGrad1D FORTRAN_NAME(ceedbasisgetgrad1d, CEEDBASISGETGRAD1D)
CEED_EXTERN void fCeedBasisGetGrad1D(int *basis, CeedScalar *grad_1d, int64_t *offset, int *err) {
  const CeedScalar *grad1d_;
  CeedBasis         basis_ = CeedBasis_dict[*basis];
  *err                     = CeedBasisGetGrad1D(basis_, &grad1d_);
  *offset                  = grad1d_ - grad_1d;
}

#define fCeedBasisGetQRef FORTRAN_NAME(ceedbasisgetqref, CEEDBASISGETQREF)
CEED_EXTERN void fCeedBasisGetQRef(int *basis, CeedScalar *q_ref, int64_t *offset, int *err) {
  const CeedScalar *qref_;
  CeedBasis         basis_ = CeedBasis_dict[*basis];
  *err                     = CeedBasisGetQRef(basis_, &qref_);
  *offset                  = qref_ - q_ref;
}

#define fCeedBasisDestroy FORTRAN_NAME(ceedbasisdestroy, CEEDBASISDESTROY)
CEED_EXTERN void fCeedBasisDestroy(int *basis, int *err) {
  if (*basis == FORTRAN_NULL) return;
  *err = CeedBasisDestroy(&CeedBasis_dict[*basis]);

  if (*err == 0) {
    *basis = FORTRAN_NULL;
    CeedBasis_n--;
    if (CeedBasis_n == 0) {
      CeedFree(&CeedBasis_dict);
      CeedBasis_count     = 0;
      CeedBasis_count_max = 0;
    }
  }
}

#define fCeedGaussQuadrature FORTRAN_NAME(ceedgaussquadrature, CEEDGAUSSQUADRATURE)
CEED_EXTERN void fCeedGaussQuadrature(int *Q, CeedScalar *q_ref_1d, CeedScalar *q_weight_1d, int *err) {
  *err = CeedGaussQuadrature(*Q, q_ref_1d, q_weight_1d);
}

#define fCeedLobattoQuadrature FORTRAN_NAME(ceedlobattoquadrature, CEEDLOBATTOQUADRATURE)
CEED_EXTERN void fCeedLobattoQuadrature(int *Q, CeedScalar *q_ref_1d, CeedScalar *q_weight_1d, int *err) {
  *err = CeedLobattoQuadrature(*Q, q_ref_1d, q_weight_1d);
}

// -----------------------------------------------------------------------------
// CeedQFunctionContext
// -----------------------------------------------------------------------------
static CeedQFunctionContext *CeedQFunctionContext_dict      = NULL;
static int                   CeedQFunctionContext_count     = 0;
static int                   CeedQFunctionContext_n         = 0;
static int                   CeedQFunctionContext_count_max = 0;

#define fCeedQFunctionContextCreate FORTRAN_NAME(ceedqfunctioncontextcreate, CEEDQFUNCTIONCONTEXTCREATE)
CEED_EXTERN void fCeedQFunctionContextCreate(int *ceed, int *ctx, int *err) {
  if (CeedQFunctionContext_count == CeedQFunctionContext_count_max) {
    CeedQFunctionContext_count_max += CeedQFunctionContext_count_max / 2 + 1;
    CeedRealloc(CeedQFunctionContext_count_max, &CeedQFunctionContext_dict);
  }

  CeedQFunctionContext *ctx_ = &CeedQFunctionContext_dict[CeedQFunctionContext_count];

  *err = CeedQFunctionContextCreate(Ceed_dict[*ceed], ctx_);
  if (*err) return;
  *ctx = CeedQFunctionContext_count++;
  CeedQFunctionContext_n++;
}

#define fCeedQFunctionContextSetData FORTRAN_NAME(ceedqfunctioncontextsetdata, CEEDQFUNCTIONCONTEXTSETDATA)
CEED_EXTERN void fCeedQFunctionContextSetData(int *ctx, int *memtype, int *copymode, CeedInt *n, CeedScalar *data, int64_t *offset, int *err) {
  size_t ctx_size = ((size_t)*n) * sizeof(CeedScalar);
  *err = CeedQFunctionContextSetData(CeedQFunctionContext_dict[*ctx], (CeedMemType)*memtype, (CeedCopyMode)*copymode, ctx_size, data + *offset);
}

#define fCeedQFunctionContextGetData FORTRAN_NAME(ceedqfunctioncontextgetdata, CEEDQFUNCTIONCONTEXTGETDATA)
CEED_EXTERN void fCeedQFunctionContextGetData(int *ctx, int *memtype, CeedScalar *data, int64_t *offset, int *err) {
  CeedScalar          *b;
  CeedQFunctionContext ctx_ = CeedQFunctionContext_dict[*ctx];
  *err                      = CeedQFunctionContextGetData(ctx_, (CeedMemType)*memtype, &b);
  *offset                   = b - data;
}

#define fCeedQFunctionContextRestoreData FORTRAN_NAME(ceedqfunctioncontextrestoredata, CEEDQFUNCTIONCONTEXTRESTOREDATA)
CEED_EXTERN void fCeedQFunctionContextRestoreData(int *ctx, CeedScalar *data, int64_t *offset, int *err) {
  *err    = CeedQFunctionContextRestoreData(CeedQFunctionContext_dict[*ctx], (void **)&data);
  *offset = 0;
}

#define fCeedQFunctionContextView FORTRAN_NAME(ceedqfunctioncontextview, CEEDQFUNCTIONCONTEXTVIEW)
CEED_EXTERN void fCeedQFunctionContextView(int *ctx, int *err) { *err = CeedQFunctionContextView(CeedQFunctionContext_dict[*ctx], stdout); }

#define fCeedQFunctionContextDestroy FORTRAN_NAME(ceedqfunctioncontextdestroy, CEEDQFUNCTIONCONTEXTDESTROY)
CEED_EXTERN void fCeedQFunctionContextDestroy(int *ctx, int *err) {
  if (*ctx == FORTRAN_NULL) return;
  *err = CeedQFunctionContextDestroy(&CeedQFunctionContext_dict[*ctx]);

  if (*err == 0) {
    *ctx = FORTRAN_NULL;
    CeedQFunctionContext_n--;
    if (CeedQFunctionContext_n == 0) {
      CeedFree(&CeedQFunctionContext_dict);
      CeedQFunctionContext_count     = 0;
      CeedQFunctionContext_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------
// CeedQFunction
// -----------------------------------------------------------------------------
static CeedQFunction *CeedQFunction_dict      = NULL;
static int            CeedQFunction_count     = 0;
static int            CeedQFunction_n         = 0;
static int            CeedQFunction_count_max = 0;

static int CeedQFunctionFortranStub(void *ctx, int nq, const CeedScalar *const *u, CeedScalar *const *v) {
  CeedFortranContext   fctx      = ctx;
  CeedQFunctionContext inner_ctx = fctx->inner_ctx;
  int                  ierr;

  CeedScalar *ctx_ = NULL;
  // Note: Device backends are generating their own kernels from
  //         single source files, so only Host backends need to
  //         use this Fortran stub.
  if (inner_ctx) {
    ierr = CeedQFunctionContextGetData(inner_ctx, CEED_MEM_HOST, &ctx_);
    CeedChk(ierr);
  }

  fctx->f((void *)ctx_, &nq, u[0], u[1], u[2], u[3], u[4], u[5], u[6], u[7], u[8], u[9], u[10], u[11], u[12], u[13], u[14], u[15], v[0], v[1], v[2],
          v[3], v[4], v[5], v[6], v[7], v[8], v[9], v[10], v[11], v[12], v[13], v[14], v[15], &ierr);

  if (inner_ctx) {
    ierr = CeedQFunctionContextRestoreData(inner_ctx, (void *)&ctx_);
    CeedChk(ierr);
  }

  return ierr;
}

#define fCeedQFunctionCreateInterior FORTRAN_NAME(ceedqfunctioncreateinterior, CEEDQFUNCTIONCREATEINTERIOR)
CEED_EXTERN void fCeedQFunctionCreateInterior(
    int *ceed, int *vec_length,
    void (*f)(void *ctx, int *nq, const CeedScalar *u, const CeedScalar *u1, const CeedScalar *u2, const CeedScalar *u3, const CeedScalar *u4,
              const CeedScalar *u5, const CeedScalar *u6, const CeedScalar *u7, const CeedScalar *u8, const CeedScalar *u9, const CeedScalar *u10,
              const CeedScalar *u11, const CeedScalar *u12, const CeedScalar *u13, const CeedScalar *u14, const CeedScalar *u15, CeedScalar *v,
              CeedScalar *v1, CeedScalar *v2, CeedScalar *v3, CeedScalar *v4, CeedScalar *v5, CeedScalar *v6, CeedScalar *v7, CeedScalar *v8,
              CeedScalar *v9, CeedScalar *v10, CeedScalar *v11, CeedScalar *v12, CeedScalar *v13, CeedScalar *v14, CeedScalar *v15, int *err),
    const char *source, int *qf, int *err, fortran_charlen_t source_len) {
  FIX_STRING(source);
  if (CeedQFunction_count == CeedQFunction_count_max) {
    CeedQFunction_count_max += CeedQFunction_count_max / 2 + 1;
    CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
  }

  CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
  *err               = CeedQFunctionCreateInterior(Ceed_dict[*ceed], *vec_length, CeedQFunctionFortranStub, source_c, qf_);

  if (*err == 0) {
    *qf = CeedQFunction_count++;
    CeedQFunction_n++;
  }

  CeedFortranContext fctxdata;
  *err = CeedCalloc(1, &fctxdata);
  if (*err) return;
  fctxdata->f         = f;
  fctxdata->inner_ctx = NULL;
  CeedQFunctionContext fctx;
  *err = CeedQFunctionContextCreate(Ceed_dict[*ceed], &fctx);
  if (*err) return;
  *err = CeedQFunctionContextSetData(fctx, CEED_MEM_HOST, CEED_OWN_POINTER, sizeof(*fctxdata), fctxdata);
  if (*err) return;
  *err = CeedQFunctionSetContext(*qf_, fctx);
  if (*err) return;
  CeedQFunctionContextDestroy(&fctx);
  if (*err) return;

  *err = CeedQFunctionSetFortranStatus(*qf_, true);
}

#define fCeedQFunctionCreateInteriorByName FORTRAN_NAME(ceedqfunctioncreateinteriorbyname, CEEDQFUNCTIONCREATEINTERIORBYNAME)
CEED_EXTERN void fCeedQFunctionCreateInteriorByName(int *ceed, const char *name, int *qf, int *err, fortran_charlen_t name_len) {
  FIX_STRING(name);
  if (CeedQFunction_count == CeedQFunction_count_max) {
    CeedQFunction_count_max += CeedQFunction_count_max / 2 + 1;
    CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
  }

  CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
  *err               = CeedQFunctionCreateInteriorByName(Ceed_dict[*ceed], name_c, qf_);

  if (*err == 0) {
    *qf = CeedQFunction_count++;
    CeedQFunction_n++;
  }
}

#define fCeedQFunctionCreateIdentity FORTRAN_NAME(ceedqfunctioncreateidentity, CEEDQFUNCTIONCREATEIDENTITY)
CEED_EXTERN void fCeedQFunctionCreateIdentity(int *ceed, int *size, int *inmode, int *outmode, int *qf, int *err) {
  if (CeedQFunction_count == CeedQFunction_count_max) {
    CeedQFunction_count_max += CeedQFunction_count_max / 2 + 1;
    CeedRealloc(CeedQFunction_count_max, &CeedQFunction_dict);
  }

  CeedQFunction *qf_ = &CeedQFunction_dict[CeedQFunction_count];
  *err               = CeedQFunctionCreateIdentity(Ceed_dict[*ceed], *size, (CeedEvalMode)*inmode, (CeedEvalMode)*outmode, qf_);

  if (*err == 0) {
    *qf = CeedQFunction_count++;
    CeedQFunction_n++;
  }
}

#define fCeedQFunctionAddInput FORTRAN_NAME(ceedqfunctionaddinput, CEEDQFUNCTIONADDINPUT)
CEED_EXTERN void fCeedQFunctionAddInput(int *qf, const char *field_name, CeedInt *num_comp, CeedEvalMode *eval_mode, int *err,
                                        fortran_charlen_t field_name_len) {
  FIX_STRING(field_name);
  CeedQFunction qf_ = CeedQFunction_dict[*qf];

  *err = CeedQFunctionAddInput(qf_, field_name_c, *num_comp, *eval_mode);
}

#define fCeedQFunctionAddOutput FORTRAN_NAME(ceedqfunctionaddoutput, CEEDQFUNCTIONADDOUTPUT)
CEED_EXTERN void fCeedQFunctionAddOutput(int *qf, const char *field_name, CeedInt *num_comp, CeedEvalMode *eval_mode, int *err,
                                         fortran_charlen_t field_name_len) {
  FIX_STRING(field_name);
  CeedQFunction qf_ = CeedQFunction_dict[*qf];

  *err = CeedQFunctionAddOutput(qf_, field_name_c, *num_comp, *eval_mode);
}

#define fCeedQFunctionSetContext FORTRAN_NAME(ceedqfunctionsetcontext, CEEDQFUNCTIONSETCONTEXT)
CEED_EXTERN void fCeedQFunctionSetContext(int *qf, int *ctx, int *err) {
  CeedQFunction        qf_  = CeedQFunction_dict[*qf];
  CeedQFunctionContext ctx_ = CeedQFunctionContext_dict[*ctx];

  CeedQFunctionContext fctx;
  *err = CeedQFunctionGetContext(qf_, &fctx);
  if (*err) return;
  CeedFortranContext fctxdata;
  *err = CeedQFunctionContextGetData(fctx, CEED_MEM_HOST, &fctxdata);
  if (*err) return;
  fctxdata->inner_ctx = ctx_;
  *err                = CeedQFunctionContextRestoreData(fctx, (void **)&fctxdata);
}

#define fCeedQFunctionView FORTRAN_NAME(ceedqfunctionview, CEEDQFUNCTIONVIEW)
CEED_EXTERN void fCeedQFunctionView(int *qf, int *err) {
  CeedQFunction qf_ = CeedQFunction_dict[*qf];

  *err = CeedQFunctionView(qf_, stdout);
}

#define fCeedQFunctionApply FORTRAN_NAME(ceedqfunctionapply, CEEDQFUNCTIONAPPLY)
// TODO Need Fixing, double pointer
CEED_EXTERN void fCeedQFunctionApply(int *qf, int *Q, int *u, int *u1, int *u2, int *u3, int *u4, int *u5, int *u6, int *u7, int *u8, int *u9,
                                     int *u10, int *u11, int *u12, int *u13, int *u14, int *u15, int *v, int *v1, int *v2, int *v3, int *v4, int *v5,
                                     int *v6, int *v7, int *v8, int *v9, int *v10, int *v11, int *v12, int *v13, int *v14, int *v15, int *err) {
  CeedQFunction qf_ = CeedQFunction_dict[*qf];
  CeedVector   *in;
  *err = CeedCalloc(CEED_FIELD_MAX, &in);
  if (*err) return;
  in[0]  = *u == FORTRAN_NULL ? NULL : CeedVector_dict[*u];
  in[1]  = *u1 == FORTRAN_NULL ? NULL : CeedVector_dict[*u1];
  in[2]  = *u2 == FORTRAN_NULL ? NULL : CeedVector_dict[*u2];
  in[3]  = *u3 == FORTRAN_NULL ? NULL : CeedVector_dict[*u3];
  in[4]  = *u4 == FORTRAN_NULL ? NULL : CeedVector_dict[*u4];
  in[5]  = *u5 == FORTRAN_NULL ? NULL : CeedVector_dict[*u5];
  in[6]  = *u6 == FORTRAN_NULL ? NULL : CeedVector_dict[*u6];
  in[7]  = *u7 == FORTRAN_NULL ? NULL : CeedVector_dict[*u7];
  in[8]  = *u8 == FORTRAN_NULL ? NULL : CeedVector_dict[*u8];
  in[9]  = *u9 == FORTRAN_NULL ? NULL : CeedVector_dict[*u9];
  in[10] = *u10 == FORTRAN_NULL ? NULL : CeedVector_dict[*u10];
  in[11] = *u11 == FORTRAN_NULL ? NULL : CeedVector_dict[*u11];
  in[12] = *u12 == FORTRAN_NULL ? NULL : CeedVector_dict[*u12];
  in[13] = *u13 == FORTRAN_NULL ? NULL : CeedVector_dict[*u13];
  in[14] = *u14 == FORTRAN_NULL ? NULL : CeedVector_dict[*u14];
  in[15] = *u15 == FORTRAN_NULL ? NULL : CeedVector_dict[*u15];
  CeedVector *out;
  *err = CeedCalloc(CEED_FIELD_MAX, &out);
  if (*err) return;
  out[0]  = *v == FORTRAN_NULL ? NULL : CeedVector_dict[*v];
  out[1]  = *v1 == FORTRAN_NULL ? NULL : CeedVector_dict[*v1];
  out[2]  = *v2 == FORTRAN_NULL ? NULL : CeedVector_dict[*v2];
  out[3]  = *v3 == FORTRAN_NULL ? NULL : CeedVector_dict[*v3];
  out[4]  = *v4 == FORTRAN_NULL ? NULL : CeedVector_dict[*v4];
  out[5]  = *v5 == FORTRAN_NULL ? NULL : CeedVector_dict[*v5];
  out[6]  = *v6 == FORTRAN_NULL ? NULL : CeedVector_dict[*v6];
  out[7]  = *v7 == FORTRAN_NULL ? NULL : CeedVector_dict[*v7];
  out[8]  = *v8 == FORTRAN_NULL ? NULL : CeedVector_dict[*v8];
  out[9]  = *v9 == FORTRAN_NULL ? NULL : CeedVector_dict[*v9];
  out[10] = *v10 == FORTRAN_NULL ? NULL : CeedVector_dict[*v10];
  out[11] = *v11 == FORTRAN_NULL ? NULL : CeedVector_dict[*v11];
  out[12] = *v12 == FORTRAN_NULL ? NULL : CeedVector_dict[*v12];
  out[13] = *v13 == FORTRAN_NULL ? NULL : CeedVector_dict[*v13];
  out[14] = *v14 == FORTRAN_NULL ? NULL : CeedVector_dict[*v14];
  out[15] = *v15 == FORTRAN_NULL ? NULL : CeedVector_dict[*v15];
  *err    = CeedQFunctionApply(qf_, *Q, in, out);
  if (*err) return;

  *err = CeedFree(&in);
  if (*err) return;
  *err = CeedFree(&out);
}

#define fCeedQFunctionDestroy FORTRAN_NAME(ceedqfunctiondestroy, CEEDQFUNCTIONDESTROY)
CEED_EXTERN void fCeedQFunctionDestroy(int *qf, int *err) {
  if (*qf == FORTRAN_NULL) return;

  *err = CeedQFunctionDestroy(&CeedQFunction_dict[*qf]);
  if (*err == 0) {
    *qf = FORTRAN_NULL;
    CeedQFunction_n--;
    if (CeedQFunction_n == 0) {
      *err                    = CeedFree(&CeedQFunction_dict);
      CeedQFunction_count     = 0;
      CeedQFunction_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------
// CeedOperator
// -----------------------------------------------------------------------------
static CeedOperator *CeedOperator_dict      = NULL;
static int           CeedOperator_count     = 0;
static int           CeedOperator_n         = 0;
static int           CeedOperator_count_max = 0;

#define fCeedOperatorCreate FORTRAN_NAME(ceedoperatorcreate, CEEDOPERATORCREATE)
CEED_EXTERN void fCeedOperatorCreate(int *ceed, int *qf, int *dqf, int *dqfT, int *op, int *err) {
  if (CeedOperator_count == CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
    CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  }

  CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];

  CeedQFunction dqf_ = CEED_QFUNCTION_NONE, dqfT_ = CEED_QFUNCTION_NONE;
  if (*dqf != FORTRAN_QFUNCTION_NONE) dqf_ = CeedQFunction_dict[*dqf];
  if (*dqfT != FORTRAN_QFUNCTION_NONE) dqfT_ = CeedQFunction_dict[*dqfT];

  *err = CeedOperatorCreate(Ceed_dict[*ceed], CeedQFunction_dict[*qf], dqf_, dqfT_, op_);
  if (*err) return;
  *op = CeedOperator_count++;
  CeedOperator_n++;
}

#define fCeedCompositeOperatorCreate FORTRAN_NAME(ceedcompositeoperatorcreate, CEEDCOMPOSITEOPERATORCREATE)
CEED_EXTERN void fCeedCompositeOperatorCreate(int *ceed, int *op, int *err) {
  if (CeedOperator_count == CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
    CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  }

  CeedOperator *op_ = &CeedOperator_dict[CeedOperator_count];

  *err = CeedCompositeOperatorCreate(Ceed_dict[*ceed], op_);
  if (*err) return;
  *op = CeedOperator_count++;
  CeedOperator_n++;
}

#define fCeedOperatorSetField FORTRAN_NAME(ceedoperatorsetfield, CEEDOPERATORSETFIELD)
CEED_EXTERN void fCeedOperatorSetField(int *op, const char *field_name, int *r, int *b, int *v, int *err, fortran_charlen_t field_name_len) {
  FIX_STRING(field_name);
  CeedElemRestriction r_;
  CeedBasis           b_;
  CeedVector          v_;

  CeedOperator op_ = CeedOperator_dict[*op];

  if (*r == FORTRAN_NULL) {
    r_ = NULL;
  } else if (*r == FORTRAN_ELEMRESTRICTION_NONE) {
    r_ = CEED_ELEMRESTRICTION_NONE;
  } else {
    r_ = CeedElemRestriction_dict[*r];
  }

  if (*b == FORTRAN_NULL) {
    b_ = NULL;
  } else if (*b == FORTRAN_BASIS_COLLOCATED) {
    b_ = CEED_BASIS_NONE;
  } else {
    b_ = CeedBasis_dict[*b];
  }
  if (*v == FORTRAN_NULL) {
    v_ = NULL;
  } else if (*v == FORTRAN_VECTOR_ACTIVE) {
    v_ = CEED_VECTOR_ACTIVE;
  } else if (*v == FORTRAN_VECTOR_NONE) {
    v_ = CEED_VECTOR_NONE;
  } else {
    v_ = CeedVector_dict[*v];
  }

  *err = CeedOperatorSetField(op_, field_name_c, r_, b_, v_);
}

#define fCeedCompositeOperatorAddSub FORTRAN_NAME(ceedcompositeoperatoraddsub, CEEDCOMPOSITEOPERATORADDSUB)
CEED_EXTERN void fCeedCompositeOperatorAddSub(int *compositeop, int *subop, int *err) {
  CeedOperator compositeop_ = CeedOperator_dict[*compositeop];
  CeedOperator subop_       = CeedOperator_dict[*subop];

  *err = CeedCompositeOperatorAddSub(compositeop_, subop_);
}

#define fCeedOperatorSetName FORTRAN_NAME(ceedoperatorsetname, CEEDOPERATORSETNAME)
CEED_EXTERN void fCeedOperatorSetName(int *op, const char *name, int *err, fortran_charlen_t name_len) {
  FIX_STRING(name);
  CeedOperator op_ = CeedOperator_dict[*op];

  *err = CeedOperatorSetName(op_, name_c);
}

#define fCeedOperatorLinearAssembleQFunction FORTRAN_NAME(ceedoperatorlinearassembleqfunction, CEEDOPERATORLINEARASSEMBLEQFUNCTION)
CEED_EXTERN void fCeedOperatorLinearAssembleQFunction(int *op, int *assembledvec, int *assembledrstr, int *rqst, int *err) {
  // Vector
  if (CeedVector_count == CeedVector_count_max) {
    CeedVector_count_max += CeedVector_count_max / 2 + 1;
    CeedRealloc(CeedVector_count_max, &CeedVector_dict);
  }
  CeedVector *assembledvec_ = &CeedVector_dict[CeedVector_count];

  // Restriction
  if (CeedElemRestriction_count == CeedElemRestriction_count_max) {
    CeedElemRestriction_count_max += CeedElemRestriction_count_max / 2 + 1;
    CeedRealloc(CeedElemRestriction_count_max, &CeedElemRestriction_dict);
  }
  CeedElemRestriction *rstr_ = &CeedElemRestriction_dict[CeedElemRestriction_count];

  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == -1 || *rqst == -2) {
    createRequest = 0;
  }

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedOperatorLinearAssembleQFunction(CeedOperator_dict[*op], assembledvec_, rstr_, rqst_);
  if (*err) return;
  if (createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }

  if (*err == 0) {
    *assembledrstr = CeedElemRestriction_count++;
    CeedElemRestriction_n++;
    *assembledvec = CeedVector_count++;
    CeedVector_n++;
  }
}

#define fCeedOperatorLinearAssembleDiagonal FORTRAN_NAME(ceedoperatorlinearassemblediagonal, CEEDOPERATORLINEARASSEMBLEDIAGONAL)
CEED_EXTERN void fCeedOperatorLinearAssembleDiagonal(int *op, int *assembledvec, int *rqst, int *err) {
  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == -1 || *rqst == -2) {
    createRequest = 0;
  }

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedOperatorLinearAssembleDiagonal(CeedOperator_dict[*op], CeedVector_dict[*assembledvec], rqst_);
  if (*err) return;
  if (createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }
}

#define fCeedOperatorMultigridLevelCreate FORTRAN_NAME(ceedoperatormultigridlevelcreate, CEEDOPERATORMULTIGRIDLEVELCREATE)
CEED_EXTERN void fCeedOperatorMultigridLevelCreate(int *opFine, int *pMultFine, int *rstrCoarse, int *basisCoarse, int *opCoarse, int *opProlong,
                                                   int *opRestrict, int *err) {
  // Operators
  CeedOperator opCoarse_, opProlong_, opRestrict_;

  // C interface call
  *err = CeedOperatorMultigridLevelCreate(CeedOperator_dict[*opFine], CeedVector_dict[*pMultFine], CeedElemRestriction_dict[*rstrCoarse],
                                          CeedBasis_dict[*basisCoarse], &opCoarse_, &opProlong_, &opRestrict_);

  if (*err) return;
  while (CeedOperator_count + 2 >= CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
  }
  CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  CeedOperator_dict[CeedOperator_count] = opCoarse_;
  *opCoarse                             = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opProlong_;
  *opProlong                            = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opRestrict_;
  *opRestrict                           = CeedOperator_count++;
  CeedOperator_n += 3;
}

#define fCeedOperatorMultigridLevelCreateTensorH1 FORTRAN_NAME(ceedoperatormultigridlevelcreatetensorh1, CEEDOPERATORMULTIGRIDLEVELCREATETENSORH1)
CEED_EXTERN void fCeedOperatorMultigridLevelCreateTensorH1(int *opFine, int *pMultFine, int *rstrCoarse, int *basisCoarse,
                                                           const CeedScalar *interpCtoF, int *opCoarse, int *opProlong, int *opRestrict, int *err) {
  // Operators
  CeedOperator opCoarse_, opProlong_, opRestrict_;

  // C interface call
  *err = CeedOperatorMultigridLevelCreateTensorH1(CeedOperator_dict[*opFine], CeedVector_dict[*pMultFine], CeedElemRestriction_dict[*rstrCoarse],
                                                  CeedBasis_dict[*basisCoarse], interpCtoF, &opCoarse_, &opProlong_, &opRestrict_);

  if (*err) return;
  while (CeedOperator_count + 2 >= CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
  }
  CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  CeedOperator_dict[CeedOperator_count] = opCoarse_;
  *opCoarse                             = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opProlong_;
  *opProlong                            = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opRestrict_;
  *opRestrict                           = CeedOperator_count++;
  CeedOperator_n += 3;
}

#define fCeedOperatorMultigridLevelCreateH1 FORTRAN_NAME(ceedoperatormultigridlevelcreateh1, CEEDOPERATORMULTIGRIDLEVELCREATEH1)
CEED_EXTERN void fCeedOperatorMultigridLevelCreateH1(int *opFine, int *pMultFine, int *rstrCoarse, int *basisCoarse, const CeedScalar *interpCtoF,
                                                     int *opCoarse, int *opProlong, int *opRestrict, int *err) {
  // Operators
  CeedOperator opCoarse_, opProlong_, opRestrict_;

  // C interface call
  *err = CeedOperatorMultigridLevelCreateH1(CeedOperator_dict[*opFine], CeedVector_dict[*pMultFine], CeedElemRestriction_dict[*rstrCoarse],
                                            CeedBasis_dict[*basisCoarse], interpCtoF, &opCoarse_, &opProlong_, &opRestrict_);

  if (*err) return;
  while (CeedOperator_count + 2 >= CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
  }
  CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  CeedOperator_dict[CeedOperator_count] = opCoarse_;
  *opCoarse                             = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opProlong_;
  *opProlong                            = CeedOperator_count++;
  CeedOperator_dict[CeedOperator_count] = opRestrict_;
  *opRestrict                           = CeedOperator_count++;
  CeedOperator_n += 3;
}

#define fCeedOperatorView FORTRAN_NAME(ceedoperatorview, CEEDOPERATORVIEW)
CEED_EXTERN void fCeedOperatorView(int *op, int *err) {
  CeedOperator op_ = CeedOperator_dict[*op];

  *err = CeedOperatorView(op_, stdout);
}

#define fCeedOperatorCreateFDMElementInverse FORTRAN_NAME(ceedoperatorcreatefdmelementinverse, CEEDOPERATORCREATEFDMELEMENTINVERSE)
CEED_EXTERN void fCeedOperatorCreateFDMElementInverse(int *op, int *fdminv, int *rqst, int *err) {
  // Operator
  if (CeedOperator_count == CeedOperator_count_max) {
    CeedOperator_count_max += CeedOperator_count_max / 2 + 1;
    CeedRealloc(CeedOperator_count_max, &CeedOperator_dict);
  }
  CeedOperator *fdminv_ = &CeedOperator_dict[CeedOperator_count];

  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == -1 || *rqst == -2) {
    createRequest = 0;
  }

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedOperatorCreateFDMElementInverse(CeedOperator_dict[*op], fdminv_, rqst_);
  if (*err) return;
  if (createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }

  if (*err == 0) {
    *fdminv = CeedOperator_count++;
    CeedOperator_n++;
  }
}

#define fCeedOperatorApply FORTRAN_NAME(ceedoperatorapply, CEEDOPERATORAPPLY)
CEED_EXTERN void fCeedOperatorApply(int *op, int *ustatevec, int *resvec, int *rqst, int *err) {
  CeedVector ustatevec_ = (*ustatevec == FORTRAN_NULL) ? NULL : (*ustatevec == FORTRAN_VECTOR_NONE ? CEED_VECTOR_NONE : CeedVector_dict[*ustatevec]);
  CeedVector resvec_    = (*resvec == FORTRAN_NULL) ? NULL : (*resvec == FORTRAN_VECTOR_NONE ? CEED_VECTOR_NONE : CeedVector_dict[*resvec]);

  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == -1 || *rqst == -2) {
    createRequest = 0;
  }

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedOperatorApply(CeedOperator_dict[*op], ustatevec_, resvec_, rqst_);
  if (*err) return;
  if (createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }
}

#define fCeedOperatorApplyAdd FORTRAN_NAME(ceedoperatorapplyadd, CEEDOPERATORAPPLYADD)
CEED_EXTERN void fCeedOperatorApplyAdd(int *op, int *ustatevec, int *resvec, int *rqst, int *err) {
  CeedVector ustatevec_ = *ustatevec == FORTRAN_NULL ? NULL : CeedVector_dict[*ustatevec];
  CeedVector resvec_    = *resvec == FORTRAN_NULL ? NULL : CeedVector_dict[*resvec];

  int createRequest = 1;
  // Check if input is CEED_REQUEST_ORDERED(-2) or CEED_REQUEST_IMMEDIATE(-1)
  if (*rqst == -1 || *rqst == -2) {
    createRequest = 0;
  }

  if (createRequest && CeedRequest_count == CeedRequest_count_max) {
    CeedRequest_count_max += CeedRequest_count_max / 2 + 1;
    CeedRealloc(CeedRequest_count_max, &CeedRequest_dict);
  }

  CeedRequest *rqst_;
  if (*rqst == -1) rqst_ = CEED_REQUEST_IMMEDIATE;
  else if (*rqst == -2) rqst_ = CEED_REQUEST_ORDERED;
  else rqst_ = &CeedRequest_dict[CeedRequest_count];

  *err = CeedOperatorApplyAdd(CeedOperator_dict[*op], ustatevec_, resvec_, rqst_);
  if (*err) return;
  if (createRequest) {
    *rqst = CeedRequest_count++;
    CeedRequest_n++;
  }
}

#define fCeedOperatorApplyJacobian FORTRAN_NAME(ceedoperatorapplyjacobian, CEEDOPERATORAPPLYJACOBIAN)
CEED_EXTERN void fCeedOperatorApplyJacobian(int *op, int *qdatavec, int *ustatevec, int *dustatevec, int *dresvec, int *rqst, int *err) {
  // TODO Uncomment this when CeedOperatorApplyJacobian is implemented
  //  *err = CeedOperatorApplyJacobian(CeedOperator_dict[*op], CeedVector_dict[*qdatavec],
  //             CeedVector_dict[*ustatevec], CeedVector_dict[*dustatevec],
  //             CeedVector_dict[*dresvec], &CeedRequest_dict[*rqst]);
}

#define fCeedOperatorDestroy FORTRAN_NAME(ceedoperatordestroy, CEEDOPERATORDESTROY)
CEED_EXTERN void fCeedOperatorDestroy(int *op, int *err) {
  if (*op == FORTRAN_NULL) return;
  *err = CeedOperatorDestroy(&CeedOperator_dict[*op]);
  if (*err == 0) {
    *op = FORTRAN_NULL;
    CeedOperator_n--;
    if (CeedOperator_n == 0) {
      *err                   = CeedFree(&CeedOperator_dict);
      CeedOperator_count     = 0;
      CeedOperator_count_max = 0;
    }
  }
}

// -----------------------------------------------------------------------------