xref: /libCEED/include/ceed/backend.h (revision f2989f2b3b8649d855bed22b6730ee0ecfa6b31b)
1 // Copyright (c) 2017-2026, Lawrence Livermore National Security, LLC and other CEED contributors.
2 // All Rights Reserved. See the top-level LICENSE and NOTICE files for details.
3 //
4 // SPDX-License-Identifier: BSD-2-Clause
5 //
6 // This file is part of CEED:  http://github.com/ceed
7 
8 /// @file
9 /// Public header for backend components of libCEED
10 #pragma once
11 
12 #include <ceed.h>
13 #include <limits.h>
14 #include <stdbool.h>
15 
16 #if defined(__clang_analyzer__)
17 #define CEED_INTERN
18 #elif defined(__cplusplus)
19 #define CEED_INTERN extern "C" CEED_VISIBILITY(hidden)
20 #else
21 #define CEED_INTERN extern CEED_VISIBILITY(hidden)
22 #endif
23 
24 #define CEED_UNUSED __attribute__((unused))
25 
26 #define CEED_MAX_RESOURCE_LEN 1024
27 #define CEED_MAX_BACKEND_PRIORITY UINT_MAX
28 #define CEED_ALIGN 64
29 #define CEED_COMPOSITE_MAX 16
30 #define CEED_FIELD_MAX 16
31 
32 #ifndef CeedPragmaOptimizeOff
33 #if defined(__clang__)
34 /// This macro provides the ability to disable optimization flags for functions that are sensitive to floating point optimizations.
35 /// @ingroup Ceed
36 #define CeedPragmaOptimizeOff _Pragma("clang optimize off")
37 #elif defined(__GNUC__)
38 #define CeedPragmaOptimizeOff _Pragma("GCC push_options") _Pragma("GCC optimize 0")
39 #elif defined(__INTEL_COMPILER) || defined(__INTEL_LLVM_COMPILER)
40 #define CeedPragmaOptimizeOff _Pragma("optimize('', off)")
41 #else
42 #define CeedPragmaOptimizeOff
43 #endif
44 #endif
45 
46 #ifndef CeedPragmaOptimizeOn
47 #if defined(__clang__)
48 /// This macro restores previously set optimization flags after CeedPragmaOptimizeOff.
49 /// @ingroup Ceed
50 #define CeedPragmaOptimizeOn _Pragma("clang optimize on")
51 #elif defined(__GNUC__)
52 #define CeedPragmaOptimizeOn _Pragma("GCC pop_options")
53 #elif defined(__INTEL_COMPILER) || defined(__INTEL_LLVM_COMPILER)
54 #define CeedPragmaOptimizeOn _Pragma("optimize('', on)")
55 #else
56 #define CeedPragmaOptimizeOn
57 #endif
58 #endif
59 
60 /// This macro provides the appropriate OpenMP Pragmas for the compilation environment.
61 /// @ingroup Ceed
62 #ifndef CeedPragmaOMP
63 #ifdef _OPENMP
64 #define CeedPragmaOMPHelper(x) _Pragma(#x)
65 #define CeedPragmaOMP(x) CeedPragmaOMPHelper(omp x)
66 #else
67 #define CeedPragmaOMP(x)
68 #endif
69 #endif
70 #ifndef CeedPragmaAtomic
71 #define CeedPragmaAtomic CeedPragmaOMP(atomic update)
72 #endif
73 #ifndef CeedPragmaCritical
74 #define CeedPragmaCritical(x) CeedPragmaOMP(critical(x))
75 #endif
76 
77 /// This macro provides the tab width for viewing Ceed objects.
78 /// @ingroup Ceed
79 #define CEED_TAB_WIDTH 2
80 
81 /**
82   This enum supplies common colors for CeedDebug256 debugging output.
83   Set the environment variable `CEED_DEBUG = 1` to activate debugging output.
84 
85   @ingroup Ceed
86   @ref     Backend
87 **/
88 typedef enum {
89   /// Success color
90   CEED_DEBUG_COLOR_SUCCESS = 108,
91   /// Warning color
92   CEED_DEBUG_COLOR_WARNING = 208,
93   /// Error color
94   CEED_DEBUG_COLOR_ERROR = 196,
95   /// Use native terminal coloring
96   CEED_DEBUG_COLOR_NONE = 255,
97 } CeedDebugColor;
98 
99 CEED_EXTERN void CeedDebugImpl256(const unsigned char, const char *, ...);
100 CEED_EXTERN bool CeedDebugFlag(const Ceed ceed);
101 CEED_EXTERN bool CeedDebugFlagEnv(void);
102 /**
103   Print debugging information in color
104 
105   @param[in] ceed  Ceed
106   @param[in] color Color to print with
107 
108   @ingroup Ceed
109   @ref     Backend
110 **/
111 #define CeedDebug256(ceed, color, ...)                               \
112   {                                                                  \
113     if (CeedDebugFlag(ceed)) CeedDebugImpl256(color, ##__VA_ARGS__); \
114   }
115 /**
116   Print debugging information to terminal
117 
118   @param[in] ceed  Ceed
119 
120   @ingroup Ceed
121   @ref     Backend
122 **/
123 #define CeedDebug(ceed, ...) CeedDebug256(ceed, (unsigned char)CEED_DEBUG_COLOR_NONE, ##__VA_ARGS__)
124 /**
125   Print debugging information in color without Ceed to reference
126 
127   @param[in] color Color to print with
128 
129   @ingroup Ceed
130   @ref     Backend
131 **/
132 #define CeedDebugEnv256(color, ...)                                 \
133   {                                                                 \
134     if (CeedDebugFlagEnv()) CeedDebugImpl256(color, ##__VA_ARGS__); \
135   }
136 /**
137   Print debugging information to terminal without Ceed to reference
138 
139   @ingroup Ceed
140   @ref     Backend
141 **/
142 #define CeedDebugEnv(...) CeedDebugEnv256((unsigned char)CEED_DEBUG_COLOR_NONE, ##__VA_ARGS__)
143 /**
144   Print warning information in color
145 
146   @ingroup Ceed
147   @ref     Backend
148 **/
149 #define CeedWarn(...)                                          \
150   {                                                            \
151     CeedDebugImpl256(CEED_DEBUG_COLOR_WARNING, ##__VA_ARGS__); \
152   }
153 
154 /**
155   Swap the values of two CeedScalars
156 
157   @param[in,out] a  First CeedScalar
158   @param[in,out] b  Second CeedScalar
159 
160   @ingroup Ceed
161   @ref     Backend
162 **/
163 #define CeedScalarSwap(a, b)        \
164   {                                 \
165     const CeedScalar temp_ = a;     \
166     a                      = b;     \
167     b                      = temp_; \
168   }
169 
170 /// Handle for object handling TensorContraction
171 /// @ingroup CeedBasis
172 typedef struct CeedTensorContract_private *CeedTensorContract;
173 
174 /// Handle for object handling assembled QFunction data
175 /// @ingroup CeedOperator
176 typedef struct CeedQFunctionAssemblyData_private *CeedQFunctionAssemblyData;
177 
178 /// Handle for object handling assembled Operator data
179 /// @ingroup CeedOperator
180 typedef struct CeedOperatorAssemblyData_private *CeedOperatorAssemblyData;
181 
182 /* In the next 3 functions, p has to be the address of a pointer type, i.e. p has to be a pointer to a pointer. */
183 CEED_INTERN int CeedMallocArray(size_t n, size_t unit, void *p);
184 CEED_INTERN int CeedCallocArray(size_t n, size_t unit, void *p);
185 CEED_INTERN int CeedReallocArray(size_t n, size_t unit, void *p);
186 CEED_INTERN int CeedStringAllocCopy(const char *source, char **copy);
187 CEED_INTERN int CeedFree(void *p);
188 
189 CEED_INTERN int CeedObjectCreate(Ceed ceed, int (*view_function)(CeedObject, FILE *), int (*destroy_function)(CeedObject *), CeedObject obj);
190 CEED_INTERN int CeedObjectReference(CeedObject obj);
191 CEED_INTERN int CeedObjectDereference(CeedObject obj);
192 CEED_INTERN int CeedObjectDestroy_Private(CeedObject obj);
193 
194 CEED_INTERN int CeedSetHostBoolArray(const bool *source_array, CeedCopyMode copy_mode, CeedSize num_values, const bool **target_array_owned,
195                                      const bool **target_array_borrowed, const bool **target_array);
196 CEED_INTERN int CeedSetHostCeedInt8Array(const CeedInt8 *source_array, CeedCopyMode copy_mode, CeedSize num_values,
197                                          const CeedInt8 **target_array_owned, const CeedInt8 **target_array_borrowed, const CeedInt8 **target_array);
198 CEED_INTERN int CeedSetHostCeedIntArray(const CeedInt *source_array, CeedCopyMode copy_mode, CeedSize num_values, const CeedInt **target_array_owned,
199                                         const CeedInt **target_array_borrowed, const CeedInt **target_array);
200 CEED_INTERN int CeedSetHostCeedScalarArray(const CeedScalar *source_array, CeedCopyMode copy_mode, CeedSize num_values,
201                                            const CeedScalar **target_array_owned, const CeedScalar **target_array_borrowed,
202                                            const CeedScalar **target_array);
203 
204 /**
205   @brief Calls a libCEED function and then checks the resulting error code.
206   If the error code is non-zero, then the error handler is called and the call from the current function with the error code.
207 
208   @ref Developer
209 **/
210 #define CeedCall(...)        \
211   do {                       \
212     int ierr_ = __VA_ARGS__; \
213     if (ierr_) return ierr_; \
214   } while (0)
215 
216 /**
217   @brief Calls a libCEED function and then checks the resulting error code.
218   If the error code is non-zero, then the error handler is called and the call from the current function with the error code.
219   All interface level error codes are upgraded to `CEED_ERROR_BACKEND`.
220 
221   @ref Developer
222 **/
223 #define CeedCallBackend(...)                                                     \
224   do {                                                                           \
225     int ierr_ = __VA_ARGS__;                                                     \
226     if (ierr_) return (ierr_ > CEED_ERROR_SUCCESS) ? CEED_ERROR_BACKEND : ierr_; \
227   } while (0)
228 
229 /**
230   @brief Check that a particular condition is true and returns a `CeedError` if not.
231 
232   @ref Developer
233 **/
234 #define CeedCheck(cond, ceed, ecode, ...)                    \
235   do {                                                       \
236     if (!(cond)) return CeedError(ceed, ecode, __VA_ARGS__); \
237   } while (0)
238 
239 /* Note that CeedMalloc and CeedCalloc will, generally, return pointers with different memory alignments:
240    CeedMalloc returns pointers aligned at CEED_ALIGN bytes, while CeedCalloc uses the alignment of calloc. */
241 #define CeedMalloc(n, p) CeedMallocArray((n), sizeof(**(p)), p)
242 #define CeedCalloc(n, p) CeedCallocArray((n), sizeof(**(p)), p)
243 #define CeedRealloc(n, p) CeedReallocArray((n), sizeof(**(p)), p)
244 
245 /* Allows calling CeedSetBackendFunctionImpl using incompatible pointer types */
246 #define CeedSetBackendFunction(ceed, type, object, func_name, f) CeedSetBackendFunctionImpl(ceed, type, object, func_name, (void (*)(void))f)
247 
248 CEED_EXTERN int CeedRegister(const char *prefix, int (*init)(const char *, Ceed), unsigned int priority);
249 CEED_EXTERN int CeedRegisterImpl(const char *prefix, int (*init)(const char *, Ceed), unsigned int priority);
250 
251 CEED_EXTERN int CeedIsDebug(Ceed ceed, bool *is_debug);
252 CEED_EXTERN int CeedGetResourceRoot(Ceed ceed, const char *resource, const char *delineator, char **resource_root);
253 CEED_EXTERN int CeedGetParent(Ceed ceed, Ceed *parent);
254 CEED_EXTERN int CeedGetDelegate(Ceed ceed, Ceed *delegate);
255 CEED_EXTERN int CeedSetDelegate(Ceed ceed, Ceed delegate);
256 CEED_EXTERN int CeedGetObjectDelegate(Ceed ceed, Ceed *delegate, const char *obj_name);
257 CEED_EXTERN int CeedSetObjectDelegate(Ceed ceed, Ceed delegate, const char *obj_name);
258 CEED_EXTERN int CeedGetOperatorFallbackCeed(Ceed ceed, Ceed *fallback_ceed);
259 CEED_EXTERN int CeedSetOperatorFallbackCeed(Ceed ceed, Ceed fallback_ceed);
260 CEED_EXTERN int CeedSetDeterministic(Ceed ceed, bool is_deterministic);
261 CEED_EXTERN int CeedSetBackendFunctionImpl(Ceed ceed, const char *type, void *object, const char *func_name, void (*f)(void));
262 CEED_EXTERN int CeedGetData(Ceed ceed, void *data);
263 CEED_EXTERN int CeedSetData(Ceed ceed, void *data);
264 CEED_EXTERN int CeedReference(Ceed ceed);
265 CEED_EXTERN int CeedGetWorkVector(Ceed ceed, CeedSize len, CeedVector *vec);
266 CEED_EXTERN int CeedRestoreWorkVector(Ceed ceed, CeedVector *vec);
267 CEED_EXTERN int CeedClearWorkVectors(Ceed ceed, CeedSize min_len);
268 CEED_EXTERN int CeedGetWorkVectorMemoryUsage(Ceed ceed, CeedScalar *usage_mb);
269 CEED_EXTERN int CeedGetJitSourceRoots(Ceed ceed, CeedInt *num_source_roots, const char ***jit_source_roots);
270 CEED_EXTERN int CeedGetRustSourceRoots(Ceed ceed, CeedInt *num_source_roots, const char ***rust_source_roots);
271 CEED_EXTERN int CeedRestoreJitSourceRoots(Ceed ceed, const char ***jit_source_roots);
272 CEED_EXTERN int CeedRestoreRustSourceRoots(Ceed ceed, const char ***rust_source_roots);
273 CEED_EXTERN int CeedGetJitDefines(Ceed ceed, CeedInt *num_defines, const char ***jit_defines);
274 CEED_EXTERN int CeedRestoreJitDefines(Ceed ceed, const char ***jit_defines);
275 
276 CEED_EXTERN int CeedVectorHasValidArray(CeedVector vec, bool *has_valid_array);
277 CEED_EXTERN int CeedVectorHasBorrowedArrayOfType(CeedVector vec, CeedMemType mem_type, bool *has_borrowed_array_of_type);
278 CEED_EXTERN int CeedVectorHasValidArray(CeedVector vec, bool *has_valid_array);
279 CEED_EXTERN int CeedVectorGetState(CeedVector vec, uint64_t *state);
280 CEED_EXTERN int CeedVectorGetData(CeedVector vec, void *data);
281 CEED_EXTERN int CeedVectorSetData(CeedVector vec, void *data);
282 CEED_EXTERN int CeedVectorReference(CeedVector vec);
283 
284 /**
285   Specify type of restriction operation.
286 
287   @ingroup CeedElemRestriction
288   @ref     Backend
289 **/
290 typedef enum {
291   /// Standard element restriction with offsets
292   CEED_RESTRICTION_STANDARD = 1,
293   /// Oriented element restriction
294   CEED_RESTRICTION_ORIENTED = 2,
295   /// Curl-oriented element restriction
296   CEED_RESTRICTION_CURL_ORIENTED = 3,
297   /// Strided element restriction
298   CEED_RESTRICTION_STRIDED = 4,
299   /// Point-in-cell element restriction
300   CEED_RESTRICTION_POINTS = 5,
301 } CeedRestrictionType;
302 
303 CEED_EXTERN int CeedElemRestrictionGetType(CeedElemRestriction rstr, CeedRestrictionType *rstr_type);
304 CEED_EXTERN int CeedElemRestrictionIsStrided(CeedElemRestriction rstr, bool *is_strided);
305 CEED_EXTERN int CeedElemRestrictionIsAtPoints(CeedElemRestriction rstr, bool *is_points);
306 CEED_EXTERN int CeedElemRestrictionAtPointsAreCompatible(CeedElemRestriction rstr_a, CeedElemRestriction rstr_b, bool *are_compatible);
307 CEED_EXTERN int CeedElemRestrictionGetStrides(CeedElemRestriction rstr, CeedInt strides[3]);
308 CEED_EXTERN int CeedElemRestrictionHasBackendStrides(CeedElemRestriction rstr, bool *has_backend_strides);
309 CEED_EXTERN int CeedElemRestrictionGetOffsets(CeedElemRestriction rstr, CeedMemType mem_type, const CeedInt **offsets);
310 CEED_EXTERN int CeedElemRestrictionRestoreOffsets(CeedElemRestriction rstr, const CeedInt **offsets);
311 CEED_EXTERN int CeedElemRestrictionGetOrientations(CeedElemRestriction rstr, CeedMemType mem_type, const bool **orients);
312 CEED_EXTERN int CeedElemRestrictionRestoreOrientations(CeedElemRestriction rstr, const bool **orients);
313 CEED_EXTERN int CeedElemRestrictionGetCurlOrientations(CeedElemRestriction rstr, CeedMemType mem_type, const CeedInt8 **curl_orients);
314 CEED_EXTERN int CeedElemRestrictionRestoreCurlOrientations(CeedElemRestriction rstr, const CeedInt8 **curl_orients);
315 CEED_EXTERN int CeedElemRestrictionGetLLayout(CeedElemRestriction rstr, CeedInt layout[3]);
316 CEED_EXTERN int CeedElemRestrictionSetLLayout(CeedElemRestriction rstr, CeedInt layout[3]);
317 CEED_EXTERN int CeedElemRestrictionGetELayout(CeedElemRestriction rstr, CeedInt layout[3]);
318 CEED_EXTERN int CeedElemRestrictionSetELayout(CeedElemRestriction rstr, CeedInt layout[3]);
319 CEED_EXTERN int CeedElemRestrictionGetAtPointsElementOffset(CeedElemRestriction rstr, CeedInt elem, CeedSize *elem_offset);
320 CEED_EXTERN int CeedElemRestrictionSetAtPointsEVectorSize(CeedElemRestriction rstr, CeedSize e_size);
321 CEED_EXTERN int CeedElemRestrictionGetData(CeedElemRestriction rstr, void *data);
322 CEED_EXTERN int CeedElemRestrictionSetData(CeedElemRestriction rstr, void *data);
323 CEED_EXTERN int CeedElemRestrictionReference(CeedElemRestriction rstr);
324 CEED_EXTERN int CeedElemRestrictionGetFlopsEstimate(CeedElemRestriction rstr, CeedTransposeMode t_mode, CeedSize *flops);
325 
326 /**
327   Specify type of FE space.
328 
329   @ingroup CeedBasis
330   @ref     Backend
331 **/
332 typedef enum {
333   /// H^1 FE space
334   CEED_FE_SPACE_H1 = 1,
335   /// H(div) FE space
336   CEED_FE_SPACE_HDIV = 2,
337   /// H(curl) FE space
338   CEED_FE_SPACE_HCURL = 3,
339 } CeedFESpace;
340 CEED_EXTERN const char *const CeedFESpaces[];
341 
342 CEED_EXTERN int CeedBasisGetCollocatedGrad(CeedBasis basis, CeedScalar *colo_grad_1d);
343 CEED_EXTERN int CeedBasisGetChebyshevInterp1D(CeedBasis basis, CeedScalar *chebyshev_interp_1d);
344 CEED_EXTERN int CeedBasisIsTensor(CeedBasis basis, bool *is_tensor);
345 CEED_EXTERN int CeedBasisIsCollocated(CeedBasis basis, bool *is_collocated);
346 CEED_EXTERN int CeedBasisGetData(CeedBasis basis, void *data);
347 CEED_EXTERN int CeedBasisSetData(CeedBasis basis, void *data);
348 CEED_EXTERN int CeedBasisReference(CeedBasis basis);
349 CEED_EXTERN int CeedBasisGetNumQuadratureComponents(CeedBasis basis, CeedEvalMode eval_mode, CeedInt *q_comp);
350 CEED_EXTERN int CeedBasisGetFlopsEstimate(CeedBasis basis, CeedTransposeMode t_mode, CeedEvalMode eval_mode, bool is_at_points, CeedInt num_points,
351                                           CeedSize *flops);
352 CEED_EXTERN int CeedBasisGetFESpace(CeedBasis basis, CeedFESpace *fe_space);
353 CEED_EXTERN int CeedBasisGetTopologyDimension(CeedElemTopology topo, CeedInt *dim);
354 CEED_EXTERN int CeedBasisGetTensorContract(CeedBasis basis, CeedTensorContract *contract);
355 CEED_EXTERN int CeedBasisSetTensorContract(CeedBasis basis, CeedTensorContract contract);
356 CEED_EXTERN int CeedBasisCreateH1Fallback(Ceed ceed, CeedElemTopology topo, CeedInt num_comp, CeedInt num_nodes, CeedInt nqpts,
357                                           const CeedScalar *interp, const CeedScalar *grad, const CeedScalar *q_ref, const CeedScalar *q_weights,
358                                           CeedBasis basis);
359 
360 CEED_EXTERN int  CeedTensorContractCreate(Ceed ceed, CeedTensorContract *contract);
361 CEED_EXTERN int  CeedTensorContractApply(CeedTensorContract contract, CeedInt A, CeedInt B, CeedInt C, CeedInt J, const CeedScalar *__restrict__ t,
362                                          CeedTransposeMode t_mode, const CeedInt Add, const CeedScalar *__restrict__ u, CeedScalar *__restrict__ v);
363 CEED_EXTERN int  CeedTensorContractStridedApply(CeedTensorContract contract, CeedInt A, CeedInt B, CeedInt C, CeedInt D, CeedInt J,
364                                                 const CeedScalar *__restrict__ t, CeedTransposeMode t_mode, const CeedInt add,
365                                                 const CeedScalar *__restrict__ u, CeedScalar *__restrict__ v);
366 CEED_EXTERN int  CeedTensorContractGetCeed(CeedTensorContract contract, Ceed *ceed);
367 CEED_EXTERN Ceed CeedTensorContractReturnCeed(CeedTensorContract contract);
368 CEED_EXTERN int  CeedTensorContractGetData(CeedTensorContract contract, void *data);
369 CEED_EXTERN int  CeedTensorContractSetData(CeedTensorContract contract, void *data);
370 CEED_EXTERN int  CeedTensorContractReference(CeedTensorContract contract);
371 CEED_EXTERN int  CeedTensorContractReferenceCopy(CeedTensorContract tensor, CeedTensorContract *tensor_copy);
372 CEED_EXTERN int  CeedTensorContractDestroy(CeedTensorContract *contract);
373 
374 CEED_EXTERN int CeedQFunctionRegister(const char *name, const char *source, CeedInt vec_length, CeedQFunctionUser f,
375                                       int (*init)(Ceed, const char *, CeedQFunction));
376 CEED_EXTERN int CeedQFunctionSetFortranStatus(CeedQFunction qf, bool status);
377 CEED_EXTERN int CeedQFunctionGetVectorLength(CeedQFunction qf, CeedInt *vec_length);
378 CEED_EXTERN int CeedQFunctionGetNumArgs(CeedQFunction qf, CeedInt *num_input_fields, CeedInt *num_output_fields);
379 CEED_EXTERN int CeedQFunctionGetKernelName(CeedQFunction qf, const char **kernel_name);
380 CEED_EXTERN int CeedQFunctionGetName(CeedQFunction qf, const char **name);
381 CEED_EXTERN int CeedQFunctionGetSourcePath(CeedQFunction qf, const char **source_path);
382 CEED_EXTERN int CeedQFunctionLoadSourceToBuffer(CeedQFunction qf, const char **source_buffer);
383 CEED_EXTERN int CeedQFunctionGetUserFunction(CeedQFunction qf, CeedQFunctionUser *f);
384 CEED_EXTERN int CeedQFunctionGetContext(CeedQFunction qf, CeedQFunctionContext *ctx);
385 CEED_EXTERN int CeedQFunctionGetContextData(CeedQFunction qf, CeedMemType mem_type, void *data);
386 CEED_EXTERN int CeedQFunctionRestoreContextData(CeedQFunction qf, void *data);
387 CEED_EXTERN int CeedQFunctionGetInnerContext(CeedQFunction qf, CeedQFunctionContext *ctx);
388 CEED_EXTERN int CeedQFunctionGetInnerContextData(CeedQFunction qf, CeedMemType mem_type, void *data);
389 CEED_EXTERN int CeedQFunctionRestoreInnerContextData(CeedQFunction qf, void *data);
390 CEED_EXTERN int CeedQFunctionIsIdentity(CeedQFunction qf, bool *is_identity);
391 CEED_EXTERN int CeedQFunctionIsContextWritable(CeedQFunction qf, bool *is_writable);
392 CEED_EXTERN int CeedQFunctionGetData(CeedQFunction qf, void *data);
393 CEED_EXTERN int CeedQFunctionSetData(CeedQFunction qf, void *data);
394 CEED_EXTERN int CeedQFunctionIsImmutable(CeedQFunction qf, bool *is_immutable);
395 CEED_EXTERN int CeedQFunctionSetImmutable(CeedQFunction qf);
396 CEED_EXTERN int CeedQFunctionReference(CeedQFunction qf);
397 CEED_EXTERN int CeedQFunctionGetFlopsEstimate(CeedQFunction qf, CeedSize *flops);
398 
399 CEED_EXTERN int  CeedQFunctionContextGetCeed(CeedQFunctionContext ctx, Ceed *ceed);
400 CEED_EXTERN Ceed CeedQFunctionContextReturnCeed(CeedQFunctionContext ctx);
401 CEED_EXTERN int  CeedQFunctionContextHasValidData(CeedQFunctionContext ctx, bool *has_valid_data);
402 CEED_EXTERN int  CeedQFunctionContextHasBorrowedDataOfType(CeedQFunctionContext ctx, CeedMemType mem_type, bool *has_borrowed_data_of_type);
403 CEED_EXTERN int  CeedQFunctionContextGetState(CeedQFunctionContext ctx, uint64_t *state);
404 CEED_EXTERN int  CeedQFunctionContextGetBackendData(CeedQFunctionContext ctx, void *data);
405 CEED_EXTERN int  CeedQFunctionContextSetBackendData(CeedQFunctionContext ctx, void *data);
406 CEED_EXTERN int  CeedQFunctionContextGetFieldLabel(CeedQFunctionContext ctx, const char *field_name, CeedContextFieldLabel *field_label);
407 CEED_EXTERN int  CeedQFunctionContextSetGeneric(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, CeedContextFieldType field_type,
408                                                 void *value);
409 CEED_EXTERN int  CeedQFunctionContextGetGenericRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, CeedContextFieldType field_type,
410                                                     size_t *num_values, void *value);
411 CEED_EXTERN int  CeedQFunctionContextRestoreGenericRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, CeedContextFieldType field_type,
412                                                         void *value);
413 CEED_EXTERN int  CeedQFunctionContextSetDouble(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, double *values);
414 CEED_EXTERN int  CeedQFunctionContextGetDoubleRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, size_t *num_values,
415                                                    const double **values);
416 CEED_EXTERN int  CeedQFunctionContextRestoreDoubleRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, const double **values);
417 CEED_EXTERN int  CeedQFunctionContextSetInt32(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, int32_t *values);
418 CEED_EXTERN int  CeedQFunctionContextGetInt32Read(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, size_t *num_values,
419                                                   const int32_t **values);
420 CEED_EXTERN int  CeedQFunctionContextRestoreInt32Read(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, const int32_t **values);
421 CEED_EXTERN int  CeedQFunctionContextSetBoolean(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, bool *values);
422 CEED_EXTERN int  CeedQFunctionContextGetBooleanRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, size_t *num_values,
423                                                     const bool **values);
424 CEED_EXTERN int  CeedQFunctionContextRestoreBooleanRead(CeedQFunctionContext ctx, CeedContextFieldLabel field_label, const bool **values);
425 CEED_EXTERN int  CeedQFunctionContextGetDataDestroy(CeedQFunctionContext ctx, CeedMemType *f_mem_type, CeedQFunctionContextDataDestroyUser *f);
426 CEED_EXTERN int  CeedQFunctionContextReference(CeedQFunctionContext ctx);
427 
428 CEED_EXTERN int CeedOperatorGetBasisPointer(CeedBasis basis, CeedEvalMode eval_mode, const CeedScalar *identity, const CeedScalar **basis_ptr);
429 CEED_EXTERN int CeedOperatorCreateActivePointBlockRestriction(CeedElemRestriction rstr, CeedElemRestriction *pointblock_rstr);
430 
431 CEED_EXTERN int CeedOperatorGetQFunctionAssemblyData(CeedOperator op, CeedQFunctionAssemblyData *data);
432 CEED_EXTERN int CeedQFunctionAssemblyDataCreate(Ceed ceed, CeedQFunctionAssemblyData *data);
433 CEED_EXTERN int CeedQFunctionAssemblyDataReference(CeedQFunctionAssemblyData data);
434 CEED_EXTERN int CeedQFunctionAssemblyDataSetReuse(CeedQFunctionAssemblyData data, bool reuse_assembly_data);
435 CEED_EXTERN int CeedQFunctionAssemblyDataSetUpdateNeeded(CeedQFunctionAssemblyData data, bool needs_data_update);
436 CEED_EXTERN int CeedQFunctionAssemblyDataIsUpdateNeeded(CeedQFunctionAssemblyData data, bool *is_update_needed);
437 CEED_EXTERN int CeedQFunctionAssemblyDataReferenceCopy(CeedQFunctionAssemblyData data, CeedQFunctionAssemblyData *data_copy);
438 CEED_EXTERN int CeedQFunctionAssemblyDataIsSetup(CeedQFunctionAssemblyData data, bool *is_setup);
439 CEED_EXTERN int CeedQFunctionAssemblyDataSetObjects(CeedQFunctionAssemblyData data, CeedVector vec, CeedElemRestriction rstr);
440 CEED_EXTERN int CeedQFunctionAssemblyDataGetObjects(CeedQFunctionAssemblyData data, CeedVector *vec, CeedElemRestriction *rstr);
441 CEED_EXTERN int CeedQFunctionAssemblyDataDestroy(CeedQFunctionAssemblyData *data);
442 
443 CEED_EXTERN int CeedOperatorGetOperatorAssemblyData(CeedOperator op, CeedOperatorAssemblyData *data);
444 CEED_EXTERN int CeedOperatorAssemblyDataCreate(Ceed ceed, CeedOperator op, CeedOperatorAssemblyData *data);
445 CEED_EXTERN int CeedOperatorAssemblyDataGetEvalModes(CeedOperatorAssemblyData data, CeedInt *num_active_bases_in, CeedInt **num_eval_modes_in,
446                                                      const CeedEvalMode ***eval_modes_in, CeedSize ***eval_mode_offsets_in,
447                                                      CeedInt *num_active_bases_out, CeedInt **num_eval_modes_out,
448                                                      const CeedEvalMode ***eval_modes_out, CeedSize ***eval_mode_offsets_out,
449                                                      CeedSize *num_output_components);
450 CEED_EXTERN int CeedOperatorAssemblyDataGetBases(CeedOperatorAssemblyData data, CeedInt *num_active_bases_in, CeedBasis **active_bases_in,
451                                                  const CeedScalar ***assembled_bases_in, CeedInt *num_active_bases_out, CeedBasis **active_bases_out,
452                                                  const CeedScalar ***assembled_bases_out);
453 CEED_EXTERN int CeedOperatorAssemblyDataGetElemRestrictions(CeedOperatorAssemblyData data, CeedInt *num_active_elem_rstrs_in,
454                                                             CeedElemRestriction **active_elem_rstrs_in, CeedInt *num_active_elem_rstrs_out,
455                                                             CeedElemRestriction **active_elem_rstrs_out);
456 CEED_EXTERN int CeedOperatorAssemblyDataDestroy(CeedOperatorAssemblyData *data);
457 
458 CEED_EXTERN int CeedOperatorGetActiveBasis(CeedOperator op, CeedBasis *active_basis);
459 CEED_EXTERN int CeedOperatorGetActiveBases(CeedOperator op, CeedBasis *active_input_basis, CeedBasis *active_output_basis);
460 CEED_EXTERN int CeedOperatorGetActiveElemRestriction(CeedOperator op, CeedElemRestriction *active_rstr);
461 CEED_EXTERN int CeedOperatorGetActiveElemRestrictions(CeedOperator op, CeedElemRestriction *active_input_rstr,
462                                                       CeedElemRestriction *active_output_rstr);
463 CEED_EXTERN int CeedOperatorGetNumArgs(CeedOperator op, CeedInt *num_args);
464 CEED_EXTERN int CeedOperatorHasTensorBases(CeedOperator op, bool *has_tensor_bases);
465 CEED_EXTERN int CeedOperatorIsImmutable(CeedOperator op, bool *is_immutable);
466 CEED_EXTERN int CeedOperatorIsSetupDone(CeedOperator op, bool *is_setup_done);
467 CEED_EXTERN int CeedOperatorGetQFunction(CeedOperator op, CeedQFunction *qf);
468 CEED_EXTERN int CeedOperatorIsComposite(CeedOperator op, bool *is_composite);
469 CEED_EXTERN int CeedOperatorGetData(CeedOperator op, void *data);
470 CEED_EXTERN int CeedOperatorSetData(CeedOperator op, void *data);
471 CEED_EXTERN int CeedOperatorReference(CeedOperator op);
472 CEED_EXTERN int CeedOperatorGetFallback(CeedOperator op, CeedOperator *op_fallback);
473 CEED_EXTERN int CeedOperatorGetFallbackParent(CeedOperator op, CeedOperator *parent);
474 CEED_EXTERN int CeedOperatorGetFallbackParentCeed(CeedOperator op, Ceed *parent);
475 CEED_EXTERN int CeedOperatorLinearAssembleQFunctionBuildOrUpdateFallback(CeedOperator op, CeedVector *assembled, CeedElemRestriction *rstr,
476                                                                          CeedRequest *request);
477 CEED_INTERN int CeedOperatorAssembleSingle(CeedOperator op, CeedInt offset, CeedVector values);
478 CEED_EXTERN int CeedOperatorSetSetupDone(CeedOperator op);
479 
480 CEED_INTERN int CeedMatrixMatrixMultiply(Ceed ceed, const CeedScalar *mat_A, const CeedScalar *mat_B, CeedScalar *mat_C, CeedInt m, CeedInt n,
481                                          CeedInt kk);
482 CEED_EXTERN int CeedQRFactorization(Ceed ceed, CeedScalar *mat, CeedScalar *tau, CeedInt m, CeedInt n);
483 CEED_EXTERN int CeedHouseholderApplyQ(CeedScalar *mat_A, const CeedScalar *mat_Q, const CeedScalar *tau, CeedTransposeMode t_mode, CeedInt m,
484                                       CeedInt n, CeedInt k, CeedInt row, CeedInt col);
485 CEED_EXTERN int CeedMatrixPseudoinverse(Ceed ceed, const CeedScalar *mat, CeedInt m, CeedInt n, CeedScalar *mat_pinv);
486 CEED_EXTERN int CeedSymmetricSchurDecomposition(Ceed ceed, CeedScalar *mat, CeedScalar *lambda, CeedInt n);
487 CEED_EXTERN int CeedSimultaneousDiagonalization(Ceed ceed, CeedScalar *mat_A, CeedScalar *mat_B, CeedScalar *x, CeedScalar *lambda, CeedInt n);
488