neko_api Module Reference

Neko C API.

Data Types
interface	neko_api_user_cb_get_field
	Register callbacks. More...

Functions/Subroutines
subroutine	neko_api_init ()
	Initialise Neko.
subroutine	neko_api_finalize ()
	Finalize Neko.
subroutine	neko_api_job_info ()
	Display job information.
subroutine	neko_api_case_allocate (case_iptr)
	Allocate memory for a Neko case.
subroutine	neko_api_case_init (case_json, case_len, case_iptr)
	Initalise a Neko case.
subroutine	neko_api_case_free (case_iptr)
	Destroy a Neko case.
real(kind=c_rp) function	neko_api_case_time (case_iptr)
	Retrive the current time of a case.
real(kind=c_rp) function	neko_api_case_end_time (case_iptr)
	Retrive the end time of a case.
integer(c_int) function	neko_api_case_tstep (case_iptr)
	Retrive the time-step of a case.
subroutine	neko_api_solve (case_iptr)
	Solve a neko case.
subroutine	neko_api_step (case_iptr)
	Compute a time-step for a neko case.
subroutine	neko_api_output_ctrl_execute (case_iptr, force_output)
	Execute the Case's output controller.
type(c_ptr) function	neko_api_field (field_name)
	Retrive a pointer to a flow field.
integer(c_int) function	neko_api_field_order (field_name)
	Retrive the order of a field.
integer(c_int) function	neko_api_field_nelements (field_name)
	Retrive the number of elements in a field.
integer(c_int) function	neko_api_field_size (field_name)
	Retrive the total number of degrees of freedom of a field.
subroutine	neko_api_field_dofmap (field_name, dof_ptr, x_ptr, y_ptr, z_ptr)
	Retrive the dofmap associated with a field.
subroutine	neko_api_case_fluid_dofmap (case_iptr, dof_ptr, x_ptr, y_ptr, z_ptr, size)
	Retrive the dofmap associated with a case's fluid solver.
subroutine	neko_api_wrap_dofmap (dm, dof_ptr, x_ptr, y_ptr, z_ptr)
	Helper function to assign pointers to a dofmap's data.
subroutine	neko_api_field_space (field_name, lx, zg, dr_inv, ds_inv, dt_inv, wx, wy, wz, dx, dy, dz)
	Retrive the space associated with a field.
subroutine	neko_api_case_fluid_space (case_iptr, lx, zg, dr_inv, ds_inv, dt_inv, wx, wy, wz, dx, dy, dz)
	Retrive the space associated with a case's fluid solver.
subroutine	neko_api_wrap_space (xh, lx, zg, dr_inv, ds_inv, dt_inv, wx, wy, wz, dx, dy, dz)
	Helper function to assign pointers to a space's data.
subroutine	neko_api_case_fluid_coef (case_iptr, g11, g22, g33, g12, g13, g23, mult, dxdr, dydr, dzdr, dxds, dyds, dzds, dxdt, dydt, dzdt, drdx, drdy, drdz, dsdx, dsdy, dsdz, dtdx, dtdy, dtdz, jac, b, area, nx, ny, nz)
	Retrive the coefficient associated with a case's fluid solver.
subroutine	neko_api_user_setup (case_iptr, initial_cb, preprocess_cb, compute_cb, dirichlet_cb, material_cb, source_cb)
	Setup user-provided callbacks.
type(c_ptr) function	neko_api_user_cb_field_by_name (field_name)
	Retrive a pointer to a user callback field.
type(c_ptr) function	neko_api_user_cb_field_by_index (field_idx)
	Retrive a pointer to a user callback field.
logical(c_bool) function	neko_api_user_cb_field_name_at_index (field_idx, field_name)
	Check if the user callback field at a given index has a given name.

Function/Subroutine Documentation

neko_api_case_allocate()

subroutine neko_api::neko_api_case_allocate ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr

Opaque pointer for the created Neko case

Definition at line 113 of file neko_api.f90.

neko_api_case_end_time()

real(kind=c_rp) function neko_api::neko_api_case_end_time ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr	Opaque pointer for the Neko case
end_time	The end time of a case

Definition at line 215 of file neko_api.f90.

neko_api_case_fluid_coef()

subroutine neko_api::neko_api_case_fluid_coef ( integer(c_intptr_t), intent(inout)  case_iptr, type(c_ptr), intent(inout)  g11, type(c_ptr), intent(inout)  g22, type(c_ptr), intent(inout)  g33, type(c_ptr), intent(inout)  g12, type(c_ptr), intent(inout)  g13, type(c_ptr), intent(inout)  g23, type(c_ptr), intent(inout)  mult, type(c_ptr), intent(inout)  dxdr, type(c_ptr), intent(inout)  dydr, type(c_ptr), intent(inout)  dzdr, type(c_ptr), intent(inout)  dxds, type(c_ptr), intent(inout)  dyds, type(c_ptr), intent(inout)  dzds, type(c_ptr), intent(inout)  dxdt, type(c_ptr), intent(inout)  dydt, type(c_ptr), intent(inout)  dzdt, type(c_ptr), intent(inout)  drdx, type(c_ptr), intent(inout)  drdy, type(c_ptr), intent(inout)  drdz, type(c_ptr), intent(inout)  dsdx, type(c_ptr), intent(inout)  dsdy, type(c_ptr), intent(inout)  dsdz, type(c_ptr), intent(inout)  dtdx, type(c_ptr), intent(inout)  dtdy, type(c_ptr), intent(inout)  dtdz, type(c_ptr), intent(inout)  jac, type(c_ptr), intent(inout)  b, type(c_ptr), intent(inout)  area, type(c_ptr), intent(inout)  nx, type(c_ptr), intent(inout)  ny, type(c_ptr), intent(inout)  nz  )

private

Parameters

case_iptr

Opaque pointer for the Neko case

Definition at line 591 of file neko_api.f90.

neko_api_case_fluid_dofmap()

subroutine neko_api::neko_api_case_fluid_dofmap ( integer(c_intptr_t), intent(inout)  case_iptr, type(c_ptr), intent(inout)  dof_ptr, type(c_ptr), intent(inout)  x_ptr, type(c_ptr), intent(inout)  y_ptr, type(c_ptr), intent(inout)  z_ptr, integer, intent(inout)  size  )

private

Parameters

case_iptr	Opaque pointer for the Neko case
dof_ptr	Pointer to unique degrees of freedom
x_ptr	Pointer to x-coordinates
x_ptr	Pointer to y-coordinates
x_ptr	Pointer to z-coordinates
size	Number of dofs

Definition at line 464 of file neko_api.f90.

neko_api_case_fluid_space()

subroutine neko_api::neko_api_case_fluid_space ( integer(c_intptr_t), intent(inout)  case_iptr, integer, intent(inout)  lx, type(c_ptr), intent(inout)  zg, type(c_ptr), intent(inout)  dr_inv, type(c_ptr), intent(inout)  ds_inv, type(c_ptr), intent(inout)  dt_inv, type(c_ptr), intent(inout)  wx, type(c_ptr), intent(inout)  wy, type(c_ptr), intent(inout)  wz, type(c_ptr), intent(inout)  dx, type(c_ptr), intent(inout)  dy, type(c_ptr), intent(inout)  dz  )

private

Parameters

case_iptr	Opaque pointer for the Neko case
lx	Polynomial dimension in each direction
zg	Pointer to quadrature points
dr_inv	Pointer to 1/dist quadrature points
ds_inv	Pointer to 1/dist quadrature points
dt_inv	Pointer to 1/dist quadrature points
wx	Pointer to quadrature weights
wy	Pointer to quadrature weights
wz	Pointer to quadrature weights
dx	Pointer to derivative operator \( D_1 \)
dy	Pointer to derivative operator \( D_2 \)
dz	Pointer to derivative operator \( D_3 \)

Definition at line 545 of file neko_api.f90.

neko_api_case_free()

subroutine neko_api::neko_api_case_free ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr

Opaque pointer for the Neko case

Definition at line 177 of file neko_api.f90.

neko_api_case_init()

subroutine neko_api::neko_api_case_init ( type(c_ptr), intent(in)  case_json, integer(c_int), value  case_len, integer(c_intptr_t), intent(inout)  case_iptr  )

private

Parameters

case_json	Serialised JSON object describing the case
case_iptr	Opaque pointer for the Neko case

Definition at line 128 of file neko_api.f90.

neko_api_case_time()

real(kind=c_rp) function neko_api::neko_api_case_time ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr	Opaque pointer for the Neko case
time	The case's current time

Definition at line 195 of file neko_api.f90.

neko_api_case_tstep()

integer(c_int) function neko_api::neko_api_case_tstep ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr	Opaque pointer for the Neko case
tstep	The current time-step of a case

Definition at line 235 of file neko_api.f90.

neko_api_field()

type(c_ptr) function neko_api::neko_api_field ( character(kind=c_char), dimension(*), intent(in)  field_name )

private

Parameters

field_name

Field registry entry

Definition at line 341 of file neko_api.f90.

neko_api_field_dofmap()

subroutine neko_api::neko_api_field_dofmap ( character(kind=c_char), dimension(*), intent(in)  field_name, type(c_ptr), intent(inout)  dof_ptr, type(c_ptr), intent(inout)  x_ptr, type(c_ptr), intent(inout)  y_ptr, type(c_ptr), intent(inout)  z_ptr  )

private

Parameters

field_name	Field registry entry
dof_ptr	Pointer to unique degrees of freedom
x_ptr	Pointer to x-coordinates
x_ptr	Pointer to y-coordinates
x_ptr	Pointer to z-coordinates

Definition at line 437 of file neko_api.f90.

neko_api_field_nelements()

integer(c_int) function neko_api::neko_api_field_nelements ( character(kind=c_char), dimension(*), intent(in)  field_name )

private

Parameters

field_name

Field registry entry

Definition at line 387 of file neko_api.f90.

neko_api_field_order()

integer(c_int) function neko_api::neko_api_field_order ( character(kind=c_char), dimension(*), intent(in)  field_name )

private

Parameters

field_name

Field registry entry

Definition at line 364 of file neko_api.f90.

neko_api_field_size()

integer(c_int) function neko_api::neko_api_field_size ( character(kind=c_char), dimension(*), intent(in)  field_name )

private

Parameters

field_name

Field registry entry

Definition at line 410 of file neko_api.f90.

neko_api_field_space()

subroutine neko_api::neko_api_field_space ( character(kind=c_char), dimension(*), intent(in)  field_name, integer, intent(inout)  lx, type(c_ptr), intent(inout)  zg, type(c_ptr), intent(inout)  dr_inv, type(c_ptr), intent(inout)  ds_inv, type(c_ptr), intent(inout)  dt_inv, type(c_ptr), intent(inout)  wx, type(c_ptr), intent(inout)  wy, type(c_ptr), intent(inout)  wz, type(c_ptr), intent(inout)  dx, type(c_ptr), intent(inout)  dy, type(c_ptr), intent(inout)  dz  )

private

Parameters

field_name	Field registry entry
lx	Polynomial dimension in each direction
zg	Pointer to quadrature points
dr_inv	Pointer to 1/dist quadrature points
ds_inv	Pointer to 1/dist quadrature points
dt_inv	Pointer to 1/dist quadrature points
wx	Pointer to quadrature weights
wy	Pointer to quadrature weights
wz	Pointer to quadrature weights
dx	Pointer to derivative operator \( D_1 \)
dy	Pointer to derivative operator \( D_2 \)
dz	Pointer to derivative operator \( D_3 \)

Definition at line 508 of file neko_api.f90.

neko_api_finalize()

subroutine neko_api::neko_api_finalize

private

Definition at line 90 of file neko_api.f90.

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neko_api_init()

subroutine neko_api::neko_api_init

private

Definition at line 83 of file neko_api.f90.

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neko_api_job_info()

subroutine neko_api::neko_api_job_info

private

Definition at line 97 of file neko_api.f90.

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neko_api_output_ctrl_execute()

subroutine neko_api::neko_api_output_ctrl_execute ( integer(c_intptr_t), intent(inout)  case_iptr, logical(kind=c_bool), value  force_output  )

private

Parameters

case_iptr	Opaque pointer for the Neko case
t	The time value
tstep	The current time-stepper iteration

Definition at line 318 of file neko_api.f90.

neko_api_solve()

subroutine neko_api::neko_api_solve ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr

Opaque pointer for the Neko case

Definition at line 254 of file neko_api.f90.

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neko_api_step()

subroutine neko_api::neko_api_step ( integer(c_intptr_t), intent(inout)  case_iptr )

private

Parameters

case_iptr

Opaque pointer for the Neko case

Definition at line 271 of file neko_api.f90.

neko_api_user_cb_field_by_index()

type(c_ptr) function neko_api::neko_api_user_cb_field_by_index ( integer, intent(in)  field_idx )

private

Parameters

field_idx

Field index in the field list

Definition at line 702 of file neko_api.f90.

neko_api_user_cb_field_by_name()

type(c_ptr) function neko_api::neko_api_user_cb_field_by_name ( character(kind=c_char), dimension(*), intent(in)  field_name )

private

Parameters

field_name

Field list entry

Definition at line 679 of file neko_api.f90.

neko_api_user_cb_field_name_at_index()

logical(c_bool) function neko_api::neko_api_user_cb_field_name_at_index ( integer, intent(in)  field_idx, character(kind=c_char), dimension(*), intent(in)  field_name  )

private

Parameters

field_idx	Field index in the field list
field_name	Field name to compare against

Definition at line 717 of file neko_api.f90.

neko_api_user_setup()

subroutine neko_api::neko_api_user_setup ( integer(c_intptr_t), intent(inout)  case_iptr, type(c_funptr), value  initial_cb, type(c_funptr), value  preprocess_cb, type(c_funptr), value  compute_cb, type(c_funptr), value  dirichlet_cb, type(c_funptr), value  material_cb, type(c_funptr), value  source_cb  )

private

Parameters

case_iptr	Opaque pointer for the Neko case
initial_cb	Initial condition callback
preprocess_cb	Pre timestep callback
compute_cb	End of timestep callback
dirichlet_cb	User boundary condition callback
material_cb	Material properties callback
source_cb	Source term callback

Definition at line 657 of file neko_api.f90.

neko_api_wrap_dofmap()

subroutine neko_api::neko_api_wrap_dofmap ( type(dofmap_t), intent(in), target  dm, type(c_ptr), intent(inout)  dof_ptr, type(c_ptr), intent(inout)  x_ptr, type(c_ptr), intent(inout)  y_ptr, type(c_ptr), intent(inout)  z_ptr  )

private

Definition at line 484 of file neko_api.f90.

neko_api_wrap_space()

subroutine neko_api::neko_api_wrap_space ( type(space_t), intent(in), target  xh, integer, intent(inout)  lx, type(c_ptr), intent(inout)  zg, type(c_ptr), intent(inout)  dr_inv, type(c_ptr), intent(inout)  ds_inv, type(c_ptr), intent(inout)  dt_inv, type(c_ptr), intent(inout)  wx, type(c_ptr), intent(inout)  wy, type(c_ptr), intent(inout)  wz, type(c_ptr), intent(inout)  dx, type(c_ptr), intent(inout)  dy, type(c_ptr), intent(inout)  dz  )

private

Definition at line 568 of file neko_api.f90.