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/libCEED/interface/
H A Dceed-qfunctioncontext.c28 @param[in] ctx `CeedQFunctionContext`
29 @param[in] field_name Name of field
47 @param[in,out] ctx `CeedQFunctionContext`
48 @param[in] field_name Name of field to register
49 @param[in] field_offset Offset of field to register
50 @param[in] field_description Description of field, or `NULL` for none
51 @param[in] field_type @ref CeedContextFieldType
52 @param[in] num_values Number of values to register, must be contiguous in memory
105 @param[in,out] ctx `CeedQFunctionContext` to destroy user data
133 @param[in] ctx `CeedQFunctionContext` to view
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H A Dceed-elemrestriction.c27 @param[in] offsets Array of shape `[num_elem, elem_size]`
29 @param[in] num_block Number of blocks
30 @param[in] num_elem Number of elements
31 @param[in] block_size Number of elements in a block
32 @param[in] elem_size Size of each element
53 @param[in] orients Array of shape `[num_elem, elem_size]`
55 @param[in] num_block Number of blocks
56 @param[in] num_elem Number of elements
57 @param[in] block_size Number of elements in a block
58 @param[in] elem_size Size of each element
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H A Dceed-vector.c45 @param[in] vec `CeedVector` to view
46 @param[in] stream Filestream to write to
60 @param[in,out] vec Address of `CeedVector` to destroy
80 @brief Check for valid data in a `CeedVector`
82 @param[in] vec `CeedVector` to check validity
103 @brief Check for borrowed array of a specific @ref CeedMemType in a `CeedVector`
105 @param[in] vec `CeedVector` to check
106 @param[in] mem_type Memory type to check
123 @param[in] vec `CeedVector` to retrieve state
138 @param[in] vec `CeedVector` to retrieve state
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H A Dceed-tensor.c25 @param[in,out] contract Address of `CeedTensorContract` to destroy
47 @param[in] ceed `Ceed` object used to create the `CeedTensorContract`
79 @param[in] contract `CeedTensorContract` to use
80 @param[in] A First index of `u`, `v`
81 @param[in] B Middle index of `u`, one index of `t`
82 @param[in] C Last index of `u`, `v`
83 @param[in] J Middle index of `v`, one index of `t`
84 @param[in] t Tensor array to contract against
85 …@param[in] t_mode Transpose mode for `t`, @ref CEED_NOTRANSPOSE for `t_jb` @ref CEED_TRANSPOSE …
86 @param[in] add Add mode
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H A Dceed-basis.c40 @param[in] x Coordinate to evaluate Chebyshev polynomials at
41 @param[in] n Number of Chebyshev polynomials to evaluate, `n >= 2`
58 @param[in] x Coordinate to evaluate derivative of Chebyshev polynomials at
59 @param[in] n Number of Chebyshev polynomials to evaluate, `n >= 2`
87 @param[in,out] A Matrix to apply Householder reflection to, in place
88 @param[in] v Householder vector
89 @param[in] b Scaling factor
90 @param[in] m Number of rows in `A`
91 @param[in] n Number of columns in `A`
92 @param[in] row Row stride
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H A Dceed-qfunction.c52 @param[in] name Name for this backend to respond to
53 …@param[in] source Absolute path to source of `CeedQFunction`, "\path\CEED_DIR\gallery\folder\f…
54 @param[in] vec_length Vector length.
56 @param[in] f Function pointer to evaluate action at quadrature points.
58 …@param[in] init Initialization function called by @ref CeedQFunctionCreateInteriorByName() w…
93 @param[in] field_name Name of `CeedQFunction` field
94 …@param[in] size Size of `CeedQFunction` field, (`num_comp * 1`) for @ref CEED_EVAL_NONE an…
95 @param[in] eval_mode @ref CEED_EVAL_NONE to use values directly,
117 @param[in] field `CeedQFunction` field to view
118 @param[in] field_number Number of field being viewed
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H A Dceed-operator.c27 @param[in] ceed `Ceed` object for error handling
28 @param[in] qf_field `CeedQFunction` Field matching `CeedOperator` Field
29 @param[in] rstr `CeedOperator` Field `CeedElemRestriction`
30 @param[in] basis `CeedOperator` Field `CeedBasis`
87 @param[in] op_field `CeedOperator` Field to view
88 @param[in] qf_field `CeedQFunction` Field (carries field name)
89 @param[in] field_number Number of field being viewed
90 @param[in] tabs Tabs to append before each line
91 @param[in] is_input `true` for an input field; `false` for output field
92 @param[in] stream Stream to view to, e.g., `stdout`
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/libCEED/benchmarks/
H A Dpostprocess_base.py35 for line in fileinput.input(files):
37 if 'Running the tests using a total of' in line:
46 elif 'tasks per node' in line:
54 elif "CEED Benchmark Problem" in line:
61 data['case'] = 'scalar' if (('Problem 1' in line) or ('Problem 3' in line)
62 or ('Problem 5' in line)) else 'vector'
63 elif "Hostname" in line:
65 elif "Total ranks" in line:
67 elif "Ranks per compute node" in line:
70 elif 'libCEED Backend MemType' in line:
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/libCEED/doc/sphinx/source/
H A DlibCEEDdev.md6 …iating a different {ref}`Ceed` object to create the other libCEED objects, in a [bridge pattern](h…
9 …, developers should place the function definitions for the user facing API in the header `/include…
10 The basic implementation of these functions should typically be placed in `/interface/*.c` files.
12 …e associated libCEED object can be added in `/include/ceed-impl.h`, with a corresponding `CEED_FTA…
13 Then in the creation of the backend specific implementation of the object, typically found in `/bac…
14 …pplemental functions intended to be used in the interface or by the backends may be added to the b…
15 The basic implementation of these functions should also be placed in `/interface/*.c` files.
18 …ons, it is generally recommended to include a basic CPU default implementation in `/interface/*.c`.
20 Once the user facing API and the default implementation are in place and verified correct via tests…
37 …Like the delegates above, this fallback {ref}`Ceed` object should be created and set in the backen…
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H A DCONTRIBUTING.md11 In typical development, every commit should compile, be covered by the test suite, and pass all tes…
15 It is useful to create a WIP (work in progress) pull request for any long-running development so th…
17 …for a future developer (maybe you) that bisects and finds that a bug was introduced in your commit.
18 …ptions that are clear in your mind while committing are likely not in the mind of whomever (possib…
24 When contributors make a major contribution and support it, their names are included in the automat…
26 …ture branch) unless there is a specific reason to do so, in which case you should explain why in t…
39 …contribution was created in whole or in part by me and I have the right to submit it under the ope…
41 …reated in whole or in part by me, under the same open source license (unless I am permitted to sub…
53 1. make significant contributions to libCEED (in implementation, documentation, conceptualization, …
58 …ng DOI-bearing archives, shall offer co-authorship to all individuals listed in the `AUTHORS` file.
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H A DlibCEEDapi.md9 In finite element formulations, the weak form of a Partial Differential Equation (PDE) is evaluated…
10 In particular, when high-order finite elements or spectral elements are used, the resulting sparse …
12 We present here the notation and the mathematical formulation adopted in libCEED.
14 We start by considering the discrete residual $F(u)=0$ formulation in weak form.
21 where $\bm{x} \in \mathbb{R}^d \supset \Omega$.
23 We want to find $u$ in a suitable space $V_D$, such that
29 for all $\bm v$ in the corresponding homogeneous space $V_0$, where $\bm f_0$ and $\bm f_1$ contain…
30 We notice here that $\bm f_0$ represents all terms in {eq}`residual` which multiply the (possibly v…
31 For an n-component problems in $d$ dimensions, $\bm f_0 \in \mathbb{R}^n$ and $\bm f_1 \in \mathbb{…
34 …th fields and spatial dimensions while a single dot represents contraction in just one, which shou…
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/libCEED/julia/LibCEED.jl/docs/src/
H A DUserQFunctions.md5 natively in Julia. These user Q-functions work with both the CPU and CUDA
14 ## Apply mass Q-function in C
16 Before describing how to define user Q-functions in Julia, we will briefly given
17 an example of a user Q-function defined in C. This is the "apply mass"
28 const CeedScalar *const *in,
30 const CeedScalar *u = in[0], *qdata = in[1];
45 In this example, the first input array is `u`, which is the value of the trial
62 ## Apply mass Q-function in Julia
64 We now replicate this Q-function in Julia. The main way of defining user
65 Q-functions in Julia is using the [`@interior_qf`](@ref) macro. The above C code
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/libCEED/examples/fluids/qfunctions/
H A Dbc_freestream.h22 CEED_QFUNCTION_HELPER int Freestream(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar … in Freestream() argument
25 const CeedScalar(*q)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; in Freestream()
26 const CeedScalar(*q_data_sur) = in[2]; in Freestream()
63 CEED_QFUNCTION(Freestream_Conserv_HLL)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScala… in Freestream_Conserv_HLL() argument
64 return Freestream(ctx, Q, in, out, STATEVAR_CONSERVATIVE, RIEMANN_HLL); in Freestream_Conserv_HLL()
67 CEED_QFUNCTION(Freestream_Prim_HLL)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *… in Freestream_Prim_HLL() argument
68 return Freestream(ctx, Q, in, out, STATEVAR_PRIMITIVE, RIEMANN_HLL); in Freestream_Prim_HLL()
71 CEED_QFUNCTION(Freestream_Entropy_HLL)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScala… in Freestream_Entropy_HLL() argument
72 return Freestream(ctx, Q, in, out, STATEVAR_ENTROPY, RIEMANN_HLL); in Freestream_Entropy_HLL()
75 CEED_QFUNCTION(Freestream_Conserv_HLLC)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScal… in Freestream_Conserv_HLLC() argument
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H A Dbc_slip.h15 CEED_QFUNCTION_HELPER int Slip(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const… in Slip() argument
17 const CeedScalar(*q)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; in Slip()
18 const CeedScalar(*q_data_sur) = in[2]; in Slip()
51 CEED_QFUNCTION(Slip_Conserv)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *… in Slip_Conserv() argument
52 return Slip(ctx, Q, in, out, STATEVAR_CONSERVATIVE); in Slip_Conserv()
55 CEED_QFUNCTION(Slip_Prim)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out… in Slip_Prim() argument
56 return Slip(ctx, Q, in, out, STATEVAR_PRIMITIVE); in Slip_Prim()
59 CEED_QFUNCTION(Slip_Entropy)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *… in Slip_Entropy() argument
60 return Slip(ctx, Q, in, out, STATEVAR_ENTROPY); in Slip_Entropy()
63 CEED_QFUNCTION_HELPER int Slip_Jacobian(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScal… in Slip_Jacobian() argument
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H A Dmass.h26 CEED_QFUNCTION_HELPER int Mass_N(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in Mass_N() argument
27 const CeedScalar(*u)[CEED_Q_VLA] = (const CeedScalar(*)[CEED_Q_VLA])in[0]; in Mass_N()
28 const CeedScalar(*q_data) = in[1]; in Mass_N()
37 …)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { return Mass_N(ctx, … in Mass_1() argument
39 …)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { return Mass_N(ctx, … in Mass_5() argument
41 …)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { return Mass_N(ctx, … in Mass_7() argument
43 …)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { return Mass_N(ctx, … in Mass_9() argument
45 …)(void *ctx, CeedInt Q, const CeedScalar *const *in, CeedScalar *const *out) { return Mass_N(ctx, … in Mass_22() argument
/libCEED/tests/
H A Djunit.py28 …argument('-np', '--pool-size', type=int, default=1, help='Number of test cases to run in parallel')
117 for condition in spec.only:
118 if (condition == 'cpu') and ('gpu' in resource):
133 if 'Backend does not implement' in stderr:
135 elif 'Can only provide HOST memory for this backend' in stderr:
137 elif 'Can only set HOST memory for this backend' in stderr:
139 elif 'Test not implemented in single precision' in stderr:
140 return f'Test not implemented in single precision'
141 elif 'No SYCL devices of the requested type are available' in stderr:
143 elif 'You may need to add --download-ctetgen or --download-tetgen' in stderr:
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H A Dt532-operator.h10 CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in setup_mass() argument
11 const CeedScalar *J = in[0], *weight = in[1]; in setup_mass()
19 CEED_QFUNCTION(setup_diff)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in setup_diff() argument
23 // in[0] is Jacobians with shape [2, nc=2, Q] in setup_diff()
24 // in[1] is quadrature weights, size (Q) in setup_diff()
25 const CeedScalar *J = in[0], *qw = in[1]; in setup_diff()
47 CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *o… in apply() argument
48 // in[0] is gradient u, shape [2, nc=1, Q] in apply()
49 // in[1] is mass quadrature data, size (Q) in apply()
50 // in[2] is Poisson quadrature data, size (3*Q) in apply()
[all …]
H A Dt535-operator.h10 CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in setup_mass() argument
11 const CeedScalar *J = in[0], *weight = in[1]; in setup_mass()
19 CEED_QFUNCTION(setup_diff)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in setup_diff() argument
23 // in[0] is Jacobians with shape [2, nc=2, Q] in setup_diff()
24 // in[1] is quadrature weights, size (Q) in setup_diff()
25 const CeedScalar *J = in[0], *qw = in[1]; in setup_diff()
47 CEED_QFUNCTION(apply)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *o… in apply() argument
48 // in[0] is gradient u, shape [2, nc=1, Q] in apply()
49 // in[1] is mass quadrature data, size (Q) in apply()
50 // in[2] is Poisson quadrature data, size (Q) in apply()
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H A Dt531-operator.h10 CEED_QFUNCTION(setup)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *o… in setup() argument
14 // in[0] is Jacobians with shape [2, nc=2, Q] in setup()
15 // in[1] is quadrature weights, size (Q) in setup()
16 const CeedScalar *J = in[0], *qw = in[1]; in setup()
38 CEED_QFUNCTION(diff)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const *ou… in diff() argument
39 // in[0] is gradient u, shape [2, nc=1, Q] in diff()
40 // in[1] is quadrature data, size (3*Q) in diff()
41 const CeedScalar *du = in[0], *qd = in[1]; in diff()
56 CEED_QFUNCTION(diff_lin)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *const… in diff_lin() argument
57 // in[0] is gradient u, shape [2, nc=1, Q] in diff_lin()
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H A Djunit_common.py43 default = [self.enum_type(v.lower()) for v in default]
55 values = [self.enum_type(v.lower()) for v in values]
219 … tuple[str, bool]: Tuple of the expected failure string and whether it was present in `stderr`
236 """Check whether `cgnsdiff` is an executable program in the current environment
247 return 'not found' not in proc.stderr.decode('utf-8')
251 """Helper function, checks if any of the substrings are included in the base string
254 base (str): Base string to search in
258 bool: True if any substrings are included in base string
260 return any((sub in base for sub in substrings))
273 return any((base.startswith(prefix) for prefix in prefixes))
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/libCEED/examples/ceed/
H A Dindex.md4 …l discretization libraries (MFEM, PETSc, Nek5000 etc.) see the subdirectories in {file}`examples/`.
10 This example is located in the subdirectory {file}`examples/ceed`.
12 Arbitrary mesh and solution orders in 1D, 2D, and 3D are supported from the same code.
21 Using the same notation as in {ref}`theoretical-framework`, we write here the vector $u(x)\equiv 1$…
27 with $v(x) \in \mathcal{V}_p = \{ v \in H^{1}(\Omega_e) \,|\, v \in P_p(\bm{I}), e=1,\ldots,N_e \}$…
33 This example is located in the subdirectory {file}`examples/ceed`.
35 Similar to {ref}`Ex1-Volume`, arbitrary mesh and solution orders in 1D, 2D, and 3D are supported fr…
43 In particular, we select $u(\bm x) = x_0 + x_1 + x_2$, for which $\nabla u = [1, 1, 1]^T$, and thus…
48 \nabla \cdot \nabla u = 0, \textrm{ for } \bm{x} \in \Omega ,
67 This example is located in the subdirectory {file}`examples/ceed`.
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/libCEED/
H A DCONTRIBUTING.md11 In typical development, every commit should compile, be covered by the test suite, and pass all tes…
15 It is useful to create a WIP (work in progress) pull request for any long-running development so th…
17 …for a future developer (maybe you) that bisects and finds that a bug was introduced in your commit.
18 …ptions that are clear in your mind while committing are likely not in the mind of whomever (possib…
24 When contributors make a major contribution and support it, their names are included in the automat…
26 …ture branch) unless there is a specific reason to do so, in which case you should explain why in t…
39 …contribution was created in whole or in part by me and I have the right to submit it under the ope…
41 …reated in whole or in part by me, under the same open source license (unless I am permitted to sub…
53 1. make significant contributions to libCEED (in implementation, documentation, conceptualization, …
58 …ng DOI-bearing archives, shall offer co-authorship to all individuals listed in the `AUTHORS` file.
[all …]
/libCEED/examples/fluids/src/
H A Ddm_utils.c20 @param[in] dm `DM` holding mesh
21 @param[in] domain_label Label for `DM` domain
22 @param[in] dm_field Index of `DM` field
45 …Comm((PetscObject)dm), PETSC_ERR_SUP, "Could not find dm_field %" PetscInt_FMT " in DS", dm_field); in DMFieldToDSField()
54 @param[in] ceed `Ceed` context
55 @param[in] dm `DMPlex` holding mesh
56 @param[in] domain_label `DMLabel` for `DMPlex` domain
57 @param[in] label_value Stratum value
58 @param[in] height Height of `DMPlex` topology
59 @param[in] dm_field Index of `DMPlex` field
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/libCEED/doc/papers/joss/
H A Dpaper.md68 Finite element methods are widely used to solve partial differential equations (PDE) in science and…
71 …asis functions is increased, resulting in $O(p^d)$ storage and $O(p^{2d})$ compute per degree of f…
76 …of implementations optimized for CPUs and GPUs, including support for just-in-time (JIT) compilati…
77 It is designed for convenient use in new and legacy software, and offers interfaces in C99 [@C99-la…
78 Users and library developers can integrate `libCEED` at a low level into existing applications in p…
79 Alternatively, users can utilize integrated `libCEED` support in MFEM [@MFEMlibrary; @mfem-paper].
81 In addition to supporting applications and discretization libraries, `libCEED` provides a platform …
89 … stabilization of the problem [@Brown:2010] and the functions $u$ and $v$ live in a suitable space.
90 Integrals in the weak form are evaluated by summing over elements $e$,
95 …idual in operator notation (\autoref{fig:decomposition}), where $\mathcal P$ is an optional extern…
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/libCEED/python/tests/
H A Dtest-qfunctions.h11 CEED_QFUNCTION(setup_mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in setup_mass() argument
12 // in[0] is quadrature weights, size (Q) in setup_mass()
13 // in[1] is Jacobians, size (Q) in setup_mass()
14 const CeedScalar *w = in[0], *J = in[1]; in setup_mass()
28 CEED_QFUNCTION(setup_mass_2d)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *… in setup_mass_2d() argument
29 // in[0] is quadrature weights, size (Q) in setup_mass_2d()
30 // in[1] is Jacobians with shape [2, nc=2, Q] in setup_mass_2d()
31 const CeedScalar *w = in[0], *J = in[1]; in setup_mass_2d()
45 CEED_QFUNCTION(apply_mass)(void *ctx, const CeedInt Q, const CeedScalar *const *in, CeedScalar *con… in apply_mass() argument
50 // in[0] is quadrature data, size (Q) in apply_mass()
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