test_support.h File Reference

Shared declarations for the PICurv C test fixture and assertion layer. More...

#include <stddef.h>
#include "variables.h"

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Data Structures
struct	PicurvTestCase
	Named test case descriptor consumed by PicurvRunTests. More...

Typedefs
typedef PetscErrorCode(*	PicurvTestFn) (void)
	Signature for a single C unit-test entry point.
typedef struct PicurvTestCase	PicurvTestCase
	Named test case descriptor consumed by PicurvRunTests.

Functions
PetscErrorCode	PicurvRunTests (const char *suite_name, const PicurvTestCase *cases, size_t case_count)
	Executes a table of unit tests and reports aggregated pass/fail status.
PetscErrorCode	PicurvCreateMinimalContexts (SimCtx **simCtx_out, UserCtx **user_out, PetscInt mx, PetscInt my, PetscInt mz)
	Creates minimal PETSc/solver contexts used by isolated kernel tests.
PetscErrorCode	PicurvCreateMinimalContextsWithPeriodicity (SimCtx **simCtx_out, UserCtx **user_out, PetscInt mx, PetscInt my, PetscInt mz, PetscBool x_periodic, PetscBool y_periodic, PetscBool z_periodic)
	Creates minimal PETSc/solver contexts with optional periodic DM boundaries.
PetscErrorCode	PicurvDestroyMinimalContexts (SimCtx **simCtx, UserCtx **user)
	Destroys contexts previously created by PicurvCreateMinimalContexts.
PetscErrorCode	PicurvBuildTinyRuntimeContext (const char *bcs_contents, PetscBool enable_particles, SimCtx **simCtx_out, UserCtx **user_out, char *tmpdir, size_t tmpdir_len)
	Builds a tiny runtime context through the real setup path for behavior-level tests.
PetscErrorCode	PicurvBuildMomentumPurityRuntimeContext (const char *bcs_contents, SimCtx **simCtx_out, UserCtx **user_out, char *tmpdir, size_t tmpdir_len)
	Builds the production-sized straight-duct fixture used by the opt-in residual-purity diagnostic.
PetscErrorCode	PicurvDestroyRuntimeContext (SimCtx **simCtx_ptr)
	Finalizes and frees a runtime context built by PicurvBuildTinyRuntimeContext.
PetscErrorCode	PicurvPopulateUniformCellCenters (UserCtx *user)
	Populates cell center coordinates for a uniform grid on [0,1]^3.
PetscErrorCode	PicurvPopulateIdentityMetrics (UserCtx *user)
	Fills metric vectors with identity metrics for Cartesian-reference tests.
PetscErrorCode	PicurvCreateSwarmPair (UserCtx *user, PetscInt nlocal, const char *post_field_name)
	Creates paired runtime/post swarms with optional extra post-processing field registration.
PetscErrorCode	PicurvMakeTempDir (char *path, size_t path_len)
	Creates a unique temporary directory path and materializes the directory.
PetscErrorCode	PicurvRemoveTempDir (const char *path)
	Recursively removes a temporary directory created by PicurvMakeTempDir.
PetscErrorCode	PicurvEnsureDir (const char *path)
	Ensures a directory exists, creating it if required.
PetscErrorCode	PicurvAssertRealNear (PetscReal expected, PetscReal actual, PetscReal tol, const char *context)
	Asserts two real values are within tolerance for test validation.
PetscErrorCode	PicurvAssertIntEqual (PetscInt expected, PetscInt actual, const char *context)
	Asserts two integer values are exactly equal for test validation.
PetscErrorCode	PicurvAssertBool (PetscBool value, const char *context)
	Asserts a boolean condition is true for test validation.
PetscErrorCode	PicurvAssertFileExists (const char *path, const char *context)
	Asserts a filesystem path exists.
PetscErrorCode	PicurvAssertVecConstant (Vec vec, PetscScalar expected, PetscReal tol, const char *context)
	Asserts every entry of a vector equals a constant within tolerance.

Detailed Description

Shared declarations for the PICurv C test fixture and assertion layer.

Definition in file test_support.h.

---

Data Structure Documentation

PicurvTestCase

struct PicurvTestCase

Named test case descriptor consumed by PicurvRunTests.

Definition at line 17 of file test_support.h.

Data Fields
const char *	name
PicurvTestFn	fn

Typedef Documentation

PicurvTestFn

typedef PetscErrorCode(* PicurvTestFn) (void)

Signature for a single C unit-test entry point.

Definition at line 14 of file test_support.h.

PicurvTestCase

typedef struct PicurvTestCase PicurvTestCase

Named test case descriptor consumed by PicurvRunTests.

Function Documentation

PicurvRunTests()

PetscErrorCode PicurvRunTests	(	const char *	suite_name,
		const PicurvTestCase *	cases,
		size_t	case_count
	)

Executes a table of unit tests and reports aggregated pass/fail status.

Executes a table of unit tests and reports aggregated pass/fail status.

Definition at line 138 of file test_support.c.

{
    PetscFunctionBeginUser;
 
    PetscCall(PetscPrintf(PETSC_COMM_WORLD, "==> Running %s (%zu tests)\n", suite_name, case_count));
    for (size_t i = 0; i < case_count; ++i) {
        PetscCall(PetscPrintf(PETSC_COMM_WORLD, "  -> %s\n", cases[i].name));
        PetscCall(cases[i].fn());
        PetscCall(PetscPrintf(PETSC_COMM_WORLD, "     [PASS] %s\n", cases[i].name));
    }
 
    PetscCall(PetscPrintf(PETSC_COMM_WORLD, "==> %s complete\n", suite_name));
    PetscFunctionReturn(0);
}

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PicurvCreateMinimalContexts()

PetscErrorCode PicurvCreateMinimalContexts	(	SimCtx **	simCtx_out,
		UserCtx **	user_out,
		PetscInt	mx,
		PetscInt	my,
		PetscInt	mz
	)

Creates minimal PETSc/solver contexts used by isolated kernel tests.

Creates minimal PETSc/solver contexts used by isolated kernel tests.

Definition at line 563 of file test_support.c.

{
    PetscFunctionBeginUser;
    PetscCall(PicurvCreateMinimalContextsWithPeriodicity(simCtx_out, user_out, mx, my, mz, PETSC_FALSE, PETSC_FALSE, PETSC_FALSE));
    PetscFunctionReturn(0);
}

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PicurvCreateMinimalContextsWithPeriodicity()

PetscErrorCode PicurvCreateMinimalContextsWithPeriodicity	(	SimCtx **	simCtx_out,
		UserCtx **	user_out,
		PetscInt	mx,
		PetscInt	my,
		PetscInt	mz,
		PetscBool	x_periodic,
		PetscBool	y_periodic,
		PetscBool	z_periodic
	)

Creates minimal PETSc/solver contexts with optional periodic DM boundaries.

Creates minimal PETSc/solver contexts with optional periodic DM boundaries.

Definition at line 325 of file test_support.c.

{
    SimCtx *simCtx = NULL;
    UserCtx *user = NULL;
    BoundingBox *boxes = NULL;
    PetscInt da_mx = mx + 1;
    PetscInt da_my = my + 1;
    PetscInt da_mz = mz + 1;
    DMBoundaryType x_boundary = x_periodic ? DM_BOUNDARY_PERIODIC : DM_BOUNDARY_NONE;
    DMBoundaryType y_boundary = y_periodic ? DM_BOUNDARY_PERIODIC : DM_BOUNDARY_NONE;
    DMBoundaryType z_boundary = z_periodic ? DM_BOUNDARY_PERIODIC : DM_BOUNDARY_NONE;
    PetscInt stencil_width = (x_periodic || y_periodic || z_periodic) ? 3 : 1;
 
    PetscFunctionBeginUser;
    if (!simCtx_out || !user_out) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_NULL, "Output pointers cannot be NULL.");
    }
 
    PetscCall(PetscCalloc1(1, &simCtx));
    PetscCall(PetscCalloc1(1, &user));
 
    PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &simCtx->rank));
    PetscCallMPI(MPI_Comm_size(PETSC_COMM_WORLD, &simCtx->size));
    simCtx->block_number = 1;
    simCtx->dt = 0.1;
    simCtx->tiout = 2;
    simCtx->forceScalingFactor = 1.0;
    simCtx->LoggingFrequency = 1;
    simCtx->exec_mode = EXEC_MODE_SOLVER;
    simCtx->mom_solver_type = MOMENTUM_SOLVER_EXPLICIT_RK;
    simCtx->solutionConvergenceEnabled = PETSC_TRUE;
    simCtx->poisson = 0;
    simCtx->ren = 1.0;
    simCtx->schmidt_number = 1.0;
    simCtx->StartStep = 0;
    simCtx->StepsToRun = 1;
    simCtx->step = 1;
    simCtx->np = 0;
    simCtx->i_periodic = x_periodic ? 1 : 0;
    simCtx->j_periodic = y_periodic ? 1 : 0;
    simCtx->k_periodic = z_periodic ? 1 : 0;
    simCtx->flowDirection     = FLOW_DIR_UNSET;
    simCtx->initialConditionMode = IC_MODE_ZERO;
    simCtx->initialConditionField = IC_FIELD_UCAT;
    PetscCall(PetscStrncpy(simCtx->initialConditionDirectory, "/tmp", sizeof(simCtx->initialConditionDirectory)));
    simCtx->icVelocityPhysical = 0.0;
    PetscCall(PetscStrncpy(simCtx->output_dir, "/tmp", sizeof(simCtx->output_dir)));
    PetscCall(PetscStrncpy(simCtx->restart_dir, "/tmp", sizeof(simCtx->restart_dir)));
    PetscCall(PetscStrncpy(simCtx->log_dir, "/tmp", sizeof(simCtx->log_dir)));
    simCtx->mglevels = 1;
    simCtx->usermg.mglevels = 1;
    PetscCall(PetscCalloc1(1, &simCtx->usermg.mgctx));
    simCtx->usermg.mgctx[0].thislevel = 0;
    PetscCall(PetscCalloc1(simCtx->size, &simCtx->bboxlist));
    PetscCall(PetscRandomCreate(PETSC_COMM_WORLD, &simCtx->BrownianMotionRNG));
    PetscCall(PetscRandomSetType(simCtx->BrownianMotionRNG, PETSCRAND48));
    PetscCall(PetscRandomSetInterval(simCtx->BrownianMotionRNG, 0.0, 1.0));
    PetscCall(PetscRandomSetSeed(simCtx->BrownianMotionRNG, 12345));
    PetscCall(PetscRandomSeed(simCtx->BrownianMotionRNG));
 
    user->simCtx = simCtx;
    user->_this = 0;
    user->thislevel = 0;
    user->mglevels = 1;
    user->IM = mx;
    user->JM = my;
    user->KM = mz;
    user->Min_X = 0.0;
    user->Min_Y = 0.0;
    user->Min_Z = 0.0;
    user->Max_X = 1.0;
    user->Max_Y = 1.0;
    user->Max_Z = 1.0;
    user->rx = 1.0;
    user->ry = 1.0;
    user->rz = 1.0;
    user->bbox.min_coords.x = 0.0;
    user->bbox.min_coords.y = 0.0;
    user->bbox.min_coords.z = 0.0;
    user->bbox.max_coords.x = 1.0;
    user->bbox.max_coords.y = 1.0;
    user->bbox.max_coords.z = 1.0;
    simCtx->usermg.mgctx[0].user = user;
    for (PetscMPIInt rank_idx = 0; rank_idx < simCtx->size; ++rank_idx) {
        simCtx->bboxlist[rank_idx].min_coords.x = 0.0;
        simCtx->bboxlist[rank_idx].min_coords.y = 0.0;
        simCtx->bboxlist[rank_idx].min_coords.z = 0.0;
        simCtx->bboxlist[rank_idx].max_coords.x = 1.0;
        simCtx->bboxlist[rank_idx].max_coords.y = 1.0;
        simCtx->bboxlist[rank_idx].max_coords.z = 1.0;
    }
 
    PetscCall(DMDACreate3d(PETSC_COMM_WORLD,
                           x_boundary, y_boundary, z_boundary,
                           DMDA_STENCIL_BOX,
                           da_mx, da_my, da_mz,
                           PETSC_DECIDE, PETSC_DECIDE, PETSC_DECIDE,
                           1, stencil_width,
                           NULL, NULL, NULL,
                           &user->da));
    PetscCall(DMSetUp(user->da));
    PetscCall(DMGetCoordinateDM(user->da, &user->fda));
    /* The fixture builds the same DM set the real factory does, through the same
     * helper, so a test cannot pass against a decomposition production never uses. */
    PetscCall(CreateCompatibleBlockDM(user->da, 6, &user->fda6));
 
    /* Post-processing staging pair, matching the factory's Group N. Production gates
     * these on statistics being active; the fixture builds them unconditionally so a
     * test can exercise the derived-output path without a resolved window list. */
    PetscCall(DMCreateGlobalVector(user->da,  &user->PostScalar));
    PetscCall(VecSet(user->PostScalar, 0.0));
    PetscCall(DMCreateLocalVector(user->da,   &user->lPostScalar));
    PetscCall(VecSet(user->lPostScalar, 0.0));
    PetscCall(DMCreateGlobalVector(user->da,  &user->PostScalarNodal));
    PetscCall(VecSet(user->PostScalarNodal, 0.0));
    PetscCall(DMCreateGlobalVector(user->fda, &user->PostVector));
    PetscCall(VecSet(user->PostVector, 0.0));
    PetscCall(DMCreateLocalVector(user->fda,  &user->lPostVector));
    PetscCall(VecSet(user->lPostVector, 0.0));
    PetscCall(DMCreateGlobalVector(user->fda, &user->PostVectorNodal));
    PetscCall(VecSet(user->PostVectorNodal, 0.0));
    PetscCall(PetscObjectReference((PetscObject)user->fda));
    PetscCall(DMDASetUniformCoordinates(user->da, 0.0, 1.0, 0.0, 1.0, 0.0, 1.0));
    PetscCall(DMDAGetLocalInfo(user->da, &user->info));
    PetscCall(ComputeLocalBoundingBox(user, &user->bbox));
    PetscCall(GatherAllBoundingBoxes(user, &boxes));
    PetscCall(BroadcastAllBoundingBoxes(user, &boxes));
    for (PetscMPIInt rank_idx = 0; rank_idx < simCtx->size; ++rank_idx) {
        simCtx->bboxlist[rank_idx] = boxes[rank_idx];
    }
    free(boxes);
 
    PetscCall(CreateZeroedGlobalVector(user->da, &user->P));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lP));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Phi));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lPhi));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Nvert));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lNvert));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->ParticleCount));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lParticleCount));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Psi));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lPsi));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Qcrit));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->P_nodal));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Psi_nodal));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Aj));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lAj));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->Diffusivity));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lDiffusivity));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->B));
    PetscCall(CreateZeroedGlobalVector(user->da, &user->R));
 
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Ucat));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lUcat));
    /* Corner-staging workspace, mirroring the finest-level group the real
     * vector factory creates, so catalog lookups resolve in fixtures too. */
    PetscCall(CreateZeroedGlobalVector(user->da,  &user->CellScalarAtCorner));
    PetscCall(CreateZeroedLocalVector(user->da,   &user->lCellScalarAtCorner));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->CellVectorAtCorner));
    PetscCall(CreateZeroedLocalVector(user->fda,  &user->lCellVectorAtCorner));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Ucont));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lUcont));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Csi));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lCsi));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->Eta));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lEta));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->Zet));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lZet));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Cent));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lCent));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->GridSpace));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lGridSpace));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Centx));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Centy));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Centz));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lCentx));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lCenty));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lCentz));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Ucat_nodal));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->DiffusivityGradient));
    PetscCall(CreateZeroedLocalVector(user->fda, &user->lDiffusivityGradient));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Rhs));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->dUcont));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->pUcont));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Bcs.Ubcs));
    PetscCall(CreateZeroedGlobalVector(user->fda, &user->Bcs.Uch));
 
    PetscCall(CreateZeroedDuplicate(user->Ucont, &user->Ucont_o));
    PetscCall(CreateZeroedDuplicate(user->lUcont, &user->lUcont_o));
    PetscCall(CreateZeroedDuplicate(user->Ucont, &user->Ucont_rm1));
    PetscCall(CreateZeroedDuplicate(user->lUcont, &user->lUcont_rm1));
    PetscCall(CreateZeroedDuplicate(user->Ucat, &user->Ucat_o));
    PetscCall(CreateZeroedDuplicate(user->P, &user->P_o));
    PetscCall(CreateZeroedDuplicate(user->Nvert, &user->Nvert_o));
    PetscCall(CreateZeroedLocalVector(user->da, &user->lNvert_o));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->ICsi));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lICsi));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->IEta));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lIEta));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->IZet));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lIZet));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->JCsi));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lJCsi));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->JEta));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lJEta));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->JZet));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lJZet));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->KCsi));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lKCsi));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->KEta));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lKEta));
    PetscCall(CreateZeroedDuplicate(user->Csi, &user->KZet));
    PetscCall(CreateZeroedDuplicate(user->lCsi, &user->lKZet));
    PetscCall(CreateZeroedDuplicate(user->Aj, &user->IAj));
    PetscCall(CreateZeroedDuplicate(user->lAj, &user->lIAj));
    PetscCall(CreateZeroedDuplicate(user->Aj, &user->JAj));
    PetscCall(CreateZeroedDuplicate(user->lAj, &user->lJAj));
    PetscCall(CreateZeroedDuplicate(user->Aj, &user->KAj));
    PetscCall(CreateZeroedDuplicate(user->lAj, &user->lKAj));
 
    PetscCall(PicurvPopulateUniformCellCenters(user));
    PetscCall(PicurvPopulateIdentityMetrics(user));
 
    *simCtx_out = simCtx;
    *user_out = user;
    PetscFunctionReturn(0);
}

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PicurvDestroyMinimalContexts()

PetscErrorCode PicurvDestroyMinimalContexts	(	SimCtx **	simCtx_ptr,
		UserCtx **	user_ptr
	)

Destroys contexts previously created by PicurvCreateMinimalContexts.

Destroys contexts previously created by PicurvCreateMinimalContexts.

Definition at line 886 of file test_support.c.

{
    UserCtx *user = NULL;
    SimCtx *simCtx = NULL;
 
    PetscFunctionBeginUser;
    if (user_ptr) {
        user = *user_ptr;
    }
    if (simCtx_ptr) {
        simCtx = *simCtx_ptr;
    }
 
    if (simCtx) {
        PetscCall(DestroySolutionConvergenceState(simCtx));
    }
 
    if (user) {
        PetscCall(DestroyDMIfSet(&user->swarm));
        PetscCall(DestroyDMIfSet(&user->post_swarm));
 
        PetscCall(DestroyVecIfSet(&user->P));
        PetscCall(DestroyVecIfSet(&user->lP));
        PetscCall(DestroyVecIfSet(&user->Phi));
        PetscCall(DestroyVecIfSet(&user->lPhi));
        PetscCall(DestroyVecIfSet(&user->Nvert));
        PetscCall(DestroyVecIfSet(&user->lNvert));
        PetscCall(DestroyVecIfSet(&user->ParticleCount));
        PetscCall(DestroyVecIfSet(&user->lParticleCount));
        PetscCall(DestroyVecIfSet(&user->Psi));
        PetscCall(DestroyVecIfSet(&user->lPsi));
        PetscCall(DestroyVecIfSet(&user->Qcrit));
        PetscCall(DestroyVecIfSet(&user->P_nodal));
        PetscCall(DestroyVecIfSet(&user->Psi_nodal));
        PetscCall(DestroyVecIfSet(&user->Ucat));
        PetscCall(DestroyVecIfSet(&user->lUcat));
        PetscCall(DestroyVecIfSet(&user->Ucont));
        PetscCall(DestroyVecIfSet(&user->lUcont));
        PetscCall(DestroyVecIfSet(&user->Csi));
        PetscCall(DestroyVecIfSet(&user->lCsi));
        PetscCall(DestroyVecIfSet(&user->Eta));
        PetscCall(DestroyVecIfSet(&user->lEta));
        PetscCall(DestroyVecIfSet(&user->Zet));
        PetscCall(DestroyVecIfSet(&user->lZet));
        PetscCall(DestroyVecIfSet(&user->Aj));
        PetscCall(DestroyVecIfSet(&user->lAj));
        PetscCall(DestroyVecIfSet(&user->IAj));
        PetscCall(DestroyVecIfSet(&user->lIAj));
        PetscCall(DestroyVecIfSet(&user->JAj));
        PetscCall(DestroyVecIfSet(&user->lJAj));
        PetscCall(DestroyVecIfSet(&user->KAj));
        PetscCall(DestroyVecIfSet(&user->lKAj));
        PetscCall(DestroyVecIfSet(&user->Diffusivity));
        PetscCall(DestroyVecIfSet(&user->lDiffusivity));
        PetscCall(DestroyVecIfSet(&user->DiffusivityGradient));
        PetscCall(DestroyVecIfSet(&user->lDiffusivityGradient));
        PetscCall(DestroyVecIfSet(&user->CS));
        PetscCall(DestroyVecIfSet(&user->lCs));
        PetscCall(DestroyVecIfSet(&user->Nu_t));
        PetscCall(DestroyVecIfSet(&user->lNu_t));
        PetscCall(DestroyVecIfSet(&user->Ucont_o));
        PetscCall(DestroyVecIfSet(&user->lUcont_o));
        PetscCall(DestroyVecIfSet(&user->Ucat_o));
        PetscCall(DestroyVecIfSet(&user->P_o));
        PetscCall(DestroyVecIfSet(&user->Nvert_o));
        PetscCall(DestroyVecIfSet(&user->lNvert_o));
        PetscCall(DestroyVecIfSet(&user->Ucont_rm1));
        PetscCall(DestroyVecIfSet(&user->lUcont_rm1));
        PetscCall(DestroyVecIfSet(&user->Rhs));
        PetscCall(DestroyVecIfSet(&user->dUcont));
        PetscCall(DestroyVecIfSet(&user->pUcont));
        PetscCall(DestroyVecIfSet(&user->CellScalarAtCorner));
        PetscCall(DestroyVecIfSet(&user->lCellScalarAtCorner));
        PetscCall(DestroyVecIfSet(&user->CellVectorAtCorner));
        PetscCall(DestroyVecIfSet(&user->lCellVectorAtCorner));
        PetscCall(DestroyVecIfSet(&user->B));
        PetscCall(DestroyVecIfSet(&user->R));
        PetscCall(DestroyVecIfSet(&user->Cent));
        PetscCall(DestroyVecIfSet(&user->lCent));
        PetscCall(DestroyVecIfSet(&user->GridSpace));
        PetscCall(DestroyVecIfSet(&user->lGridSpace));
        PetscCall(DestroyVecIfSet(&user->Centx));
        PetscCall(DestroyVecIfSet(&user->Centy));
        PetscCall(DestroyVecIfSet(&user->Centz));
        PetscCall(DestroyVecIfSet(&user->lCentx));
        PetscCall(DestroyVecIfSet(&user->lCenty));
        PetscCall(DestroyVecIfSet(&user->lCentz));
        PetscCall(DestroyVecIfSet(&user->Ucat_nodal));
        PetscCall(DestroyVecIfSet(&user->Bcs.Ubcs));
        PetscCall(DestroyVecIfSet(&user->Bcs.Uch));
        PetscCall(DestroyMatIfSet(&user->A));
        PetscCall(DestroyMatIfSet(&user->C));
        PetscCall(DestroyKSPIfSet(&user->ksp));
        PetscCall(DestroyNullSpaceIfSet(&user->nullsp));
        PetscCall(PetscFree(user->RankCellInfoMap));
        user->RankCellInfoMap = NULL;
        for (PetscInt face = BC_FACE_NEG_X; face <= BC_FACE_POS_Z; ++face) {
            if (user->boundary_faces[face].params) {
                FreeBC_ParamList(user->boundary_faces[face].params);
                user->boundary_faces[face].params = NULL;
            }
        }
 
        PetscCall(DestroyVecIfSet(&user->PostScalar));
        PetscCall(DestroyVecIfSet(&user->lPostScalar));
        PetscCall(DestroyVecIfSet(&user->PostScalarNodal));
        PetscCall(DestroyVecIfSet(&user->PostVector));
        PetscCall(DestroyVecIfSet(&user->lPostVector));
        PetscCall(DestroyVecIfSet(&user->PostVectorNodal));
        PetscCall(DestroyDMIfSet(&user->fda6));
        PetscCall(DestroyDMIfSet(&user->fda));
        PetscCall(DestroyDMIfSet(&user->da));
        PetscCall(PetscFree(user));
        if (user_ptr) {
            *user_ptr = NULL;
        }
    }
 
    if (simCtx) {
        PetscCall(DestroyRandomIfSet(&simCtx->BrownianMotionRNG));
        PetscCall(PetscFree(simCtx->bboxlist));
        PetscCall(PetscFree(simCtx->usermg.mgctx));
        PetscCall(PetscFree(simCtx->pps));
        PetscCall(PetscFree(simCtx));
        if (simCtx_ptr) {
            *simCtx_ptr = NULL;
        }
    }
 
    PetscFunctionReturn(0);
}

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PicurvBuildTinyRuntimeContext()

PetscErrorCode PicurvBuildTinyRuntimeContext	(	const char *	bcs_contents,
		PetscBool	enable_particles,
		SimCtx **	simCtx_out,
		UserCtx **	user_out,
		char *	tmpdir,
		size_t	tmpdir_len
	)

Builds a tiny runtime context through the real setup path for behavior-level tests.

Definition at line 768 of file test_support.c.

{
    char control_path[PETSC_MAX_PATH_LEN];
    SimCtx *simCtx = NULL;
 
    PetscFunctionBeginUser;
    PetscCheck(simCtx_out != NULL, PETSC_COMM_SELF, PETSC_ERR_ARG_NULL, "SimCtx output cannot be NULL.");
 
    PetscCall(PetscOptionsClear(NULL));
    PetscCall(PrepareTinyRuntimeConfig(bcs_contents, enable_particles, tmpdir, tmpdir_len, control_path, sizeof(control_path)));
    PetscCall(PetscOptionsSetValue(NULL, "-control_file", control_path));
    PetscCall(CreateSimulationContext(0, NULL, &simCtx));
    simCtx->exec_mode = EXEC_MODE_SOLVER;
    PetscCall(SetupSimulationEnvironment(simCtx));
    PetscCall(SetupGridAndSolvers(simCtx));
    PetscCall(SetupBoundaryConditions(simCtx));
    PetscCall(SetupDomainRankInfo(simCtx));
 
    *simCtx_out = simCtx;
    if (user_out) {
        *user_out = simCtx->usermg.mgctx[simCtx->usermg.mglevels - 1].user;
    }
    PetscFunctionReturn(0);
}

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PicurvBuildMomentumPurityRuntimeContext()

PetscErrorCode PicurvBuildMomentumPurityRuntimeContext	(	const char *	bcs_contents,
		SimCtx **	simCtx_out,
		UserCtx **	user_out,
		char *	tmpdir,
		size_t	tmpdir_len
	)

Builds the production-sized straight-duct fixture used by the opt-in residual-purity diagnostic.

Builds the production-sized straight-duct fixture used by the opt-in residual-purity diagnostic.

Definition at line 802 of file test_support.c.

{
    char bcs_path[PETSC_MAX_PATH_LEN];
    char post_path[PETSC_MAX_PATH_LEN];
    char output_dir[PETSC_MAX_PATH_LEN];
    char log_dir[PETSC_MAX_PATH_LEN];
    char control_path[PETSC_MAX_PATH_LEN];
    char control_buffer[8192];
    SimCtx *simCtx = NULL;
    const char *default_bcs =
        "-Xi WALL noslip\n"
        "+Xi WALL noslip\n"
        "-Eta WALL noslip\n"
        "+Eta WALL noslip\n"
        "-Zeta INLET constant_velocity vx=0.0 vy=0.0 vz=0.1\n"
        "+Zeta OUTLET conservation\n";
 
    PetscFunctionBeginUser;
    PetscCheck(simCtx_out != NULL, PETSC_COMM_SELF, PETSC_ERR_ARG_NULL,
               "SimCtx output cannot be NULL.");
    PetscCall(PetscOptionsClear(NULL));
    PetscCall(PicurvMakeTempDir(tmpdir, tmpdir_len));
    PetscCall(PetscSNPrintf(bcs_path, sizeof(bcs_path), "%s/bcs.run", tmpdir));
    PetscCall(PetscSNPrintf(post_path, sizeof(post_path), "%s/post.run", tmpdir));
    PetscCall(PetscSNPrintf(output_dir, sizeof(output_dir), "%s/results", tmpdir));
    PetscCall(PetscSNPrintf(log_dir, sizeof(log_dir), "%s/logs", tmpdir));
    PetscCall(PetscSNPrintf(control_path, sizeof(control_path), "%s/test.control", tmpdir));
    PetscCall(WriteTextFileForTests(bcs_path, bcs_contents ? bcs_contents : default_bcs));
    PetscCall(WriteTextFileForTests(post_path,
        "startTime = 0\nendTime = 1\ntimeStep = 1\noutput_particles = false\n"));
    PetscCall(PetscSNPrintf(control_buffer, sizeof(control_buffer),
        "-start_step 0\n"
        "-totalsteps 2\n"
        "-ren 10.0\n"
        "-dt 0.001\n"
        "-finit 1\n"
        "-ucont_x 0.0\n-ucont_y 0.0\n-ucont_z 0.1\n"
        "-bcs_files %s\n"
        "-profiling_timestep_mode off\n-profiling_final_summary true\n"
        "-postprocessing_config_file %s\n"
        /* PICurv's programmatic grid counts include the leading physical node;
         * 17x17x65 therefore represents 16x16x64 Cartesian cells. */
        "-grid\n-im 17\n-jm 17\n-km 65\n"
        "-xMins 0.0\n-xMaxs 1.0\n-yMins 0.0\n-yMaxs 1.0\n-zMins 0.0\n-zMaxs 4.0\n"
        "-rxs 1.0\n-rys 1.0\n-rzs 1.0\n-cgrids 0\n-nblk 1\n"
        "-euler_field_source solve\n-mom_solver_type newton_krylov\n"
        "-mg_level 1\n-poisson 0\n-tio 0\n-numParticles 0\n-pinit 2\n"
        "-particle_console_output_freq 0\n-logfreq 1\n"
        "-output_dir %s\n-restart_dir %s\n-log_dir %s\n",
        bcs_path, post_path, output_dir, output_dir, log_dir));
    PetscCall(WriteTextFileForTests(control_path, control_buffer));
    PetscCall(PetscOptionsSetValue(NULL, "-control_file", control_path));
    PetscCall(CreateSimulationContext(0, NULL, &simCtx));
    simCtx->exec_mode = EXEC_MODE_SOLVER;
    PetscCall(SetupSimulationEnvironment(simCtx));
    PetscCall(SetupGridAndSolvers(simCtx));
    PetscCall(SetupBoundaryConditions(simCtx));
    PetscCall(SetupDomainRankInfo(simCtx));
    *simCtx_out = simCtx;
    if (user_out) *user_out = simCtx->usermg.mgctx[simCtx->usermg.mglevels - 1].user;
    PetscFunctionReturn(0);
}

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PicurvDestroyRuntimeContext()

PetscErrorCode PicurvDestroyRuntimeContext

(

SimCtx **

simCtx_ptr

)

Finalizes and frees a runtime context built by PicurvBuildTinyRuntimeContext.

Definition at line 872 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (simCtx_ptr && *simCtx_ptr) {
        PetscCall(FinalizeSimulation(*simCtx_ptr));
        *simCtx_ptr = NULL;
    }
    PetscCall(PetscOptionsClear(NULL));
    PetscFunctionReturn(0);
}

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PicurvPopulateUniformCellCenters()

PetscErrorCode PicurvPopulateUniformCellCenters

(

UserCtx *

user

)

Populates cell center coordinates for a uniform grid on [0,1]^3.

Uses the shifted-index convention: cell (i,j,k) is stored at array index (i+1, j+1, k+1). For mx cells on [0,1], cell i has center at (i+0.5)/mx.

Definition at line 576 of file test_support.c.

{
    Cmpnts ***cent = NULL;
    PetscInt mx = user->IM;
    PetscInt my = user->JM;
    PetscInt mz = user->KM;
 
    PetscFunctionBeginUser;
    PetscCall(DMDAVecGetArray(user->fda, user->Cent, &cent));
    for (PetscInt k = user->info.zs; k < user->info.zs + user->info.zm; k++) {
        for (PetscInt j = user->info.ys; j < user->info.ys + user->info.ym; j++) {
            for (PetscInt i = user->info.xs; i < user->info.xs + user->info.xm; i++) {
                cent[k][j][i].x = (i - 0.5) / (PetscReal)mx;
                cent[k][j][i].y = (j - 0.5) / (PetscReal)my;
                cent[k][j][i].z = (k - 0.5) / (PetscReal)mz;
            }
        }
    }
    PetscCall(DMDAVecRestoreArray(user->fda, user->Cent, &cent));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Cent, INSERT_VALUES, user->lCent));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Cent, INSERT_VALUES, user->lCent));
    PetscFunctionReturn(0);
}

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PicurvPopulateIdentityMetrics()

PetscErrorCode PicurvPopulateIdentityMetrics

(

UserCtx *

user

)

Fills metric vectors with identity metrics for Cartesian-reference tests.

Fills metric vectors with identity metrics for Cartesian-reference tests.

Definition at line 604 of file test_support.c.

{
    Cmpnts ***csi = NULL;
    Cmpnts ***eta = NULL;
    Cmpnts ***zet = NULL;
    Cmpnts ***icsi = NULL;
    Cmpnts ***ieta = NULL;
    Cmpnts ***izet = NULL;
    Cmpnts ***jcsi = NULL;
    Cmpnts ***jeta = NULL;
    Cmpnts ***jzet = NULL;
    Cmpnts ***kcsi = NULL;
    Cmpnts ***keta = NULL;
    Cmpnts ***kzet = NULL;
    PetscReal ***aj = NULL;
    PetscReal ***iaj = NULL;
    PetscReal ***jaj = NULL;
    PetscReal ***kaj = NULL;
 
    PetscFunctionBeginUser;
    PetscCall(DMDAVecGetArray(user->fda, user->Csi, &csi));
    PetscCall(DMDAVecGetArray(user->fda, user->Eta, &eta));
    PetscCall(DMDAVecGetArray(user->fda, user->Zet, &zet));
    PetscCall(DMDAVecGetArray(user->fda, user->ICsi, &icsi));
    PetscCall(DMDAVecGetArray(user->fda, user->IEta, &ieta));
    PetscCall(DMDAVecGetArray(user->fda, user->IZet, &izet));
    PetscCall(DMDAVecGetArray(user->fda, user->JCsi, &jcsi));
    PetscCall(DMDAVecGetArray(user->fda, user->JEta, &jeta));
    PetscCall(DMDAVecGetArray(user->fda, user->JZet, &jzet));
    PetscCall(DMDAVecGetArray(user->fda, user->KCsi, &kcsi));
    PetscCall(DMDAVecGetArray(user->fda, user->KEta, &keta));
    PetscCall(DMDAVecGetArray(user->fda, user->KZet, &kzet));
    PetscCall(DMDAVecGetArray(user->da, user->Aj, &aj));
    PetscCall(DMDAVecGetArray(user->da, user->IAj, &iaj));
    PetscCall(DMDAVecGetArray(user->da, user->JAj, &jaj));
    PetscCall(DMDAVecGetArray(user->da, user->KAj, &kaj));
 
    for (PetscInt k = user->info.zs; k < user->info.zs + user->info.zm; ++k) {
        for (PetscInt j = user->info.ys; j < user->info.ys + user->info.ym; ++j) {
            for (PetscInt i = user->info.xs; i < user->info.xs + user->info.xm; ++i) {
                csi[k][j][i].x = 1.0; csi[k][j][i].y = 0.0; csi[k][j][i].z = 0.0;
                eta[k][j][i].x = 0.0; eta[k][j][i].y = 1.0; eta[k][j][i].z = 0.0;
                zet[k][j][i].x = 0.0; zet[k][j][i].y = 0.0; zet[k][j][i].z = 1.0;
                icsi[k][j][i] = csi[k][j][i];
                ieta[k][j][i] = eta[k][j][i];
                izet[k][j][i] = zet[k][j][i];
                jcsi[k][j][i] = csi[k][j][i];
                jeta[k][j][i] = eta[k][j][i];
                jzet[k][j][i] = zet[k][j][i];
                kcsi[k][j][i] = csi[k][j][i];
                keta[k][j][i] = eta[k][j][i];
                kzet[k][j][i] = zet[k][j][i];
                aj[k][j][i] = 1.0;
                iaj[k][j][i] = 1.0;
                jaj[k][j][i] = 1.0;
                kaj[k][j][i] = 1.0;
            }
        }
    }
 
    PetscCall(DMDAVecRestoreArray(user->fda, user->Csi, &csi));
    PetscCall(DMDAVecRestoreArray(user->fda, user->Eta, &eta));
    PetscCall(DMDAVecRestoreArray(user->fda, user->Zet, &zet));
    PetscCall(DMDAVecRestoreArray(user->fda, user->ICsi, &icsi));
    PetscCall(DMDAVecRestoreArray(user->fda, user->IEta, &ieta));
    PetscCall(DMDAVecRestoreArray(user->fda, user->IZet, &izet));
    PetscCall(DMDAVecRestoreArray(user->fda, user->JCsi, &jcsi));
    PetscCall(DMDAVecRestoreArray(user->fda, user->JEta, &jeta));
    PetscCall(DMDAVecRestoreArray(user->fda, user->JZet, &jzet));
    PetscCall(DMDAVecRestoreArray(user->fda, user->KCsi, &kcsi));
    PetscCall(DMDAVecRestoreArray(user->fda, user->KEta, &keta));
    PetscCall(DMDAVecRestoreArray(user->fda, user->KZet, &kzet));
    PetscCall(DMDAVecRestoreArray(user->da, user->Aj, &aj));
    PetscCall(DMDAVecRestoreArray(user->da, user->IAj, &iaj));
    PetscCall(DMDAVecRestoreArray(user->da, user->JAj, &jaj));
    PetscCall(DMDAVecRestoreArray(user->da, user->KAj, &kaj));
 
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Csi, INSERT_VALUES, user->lCsi));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Csi, INSERT_VALUES, user->lCsi));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Eta, INSERT_VALUES, user->lEta));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Eta, INSERT_VALUES, user->lEta));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Zet, INSERT_VALUES, user->lZet));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Zet, INSERT_VALUES, user->lZet));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->ICsi, INSERT_VALUES, user->lICsi));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->ICsi, INSERT_VALUES, user->lICsi));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->IEta, INSERT_VALUES, user->lIEta));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->IEta, INSERT_VALUES, user->lIEta));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->IZet, INSERT_VALUES, user->lIZet));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->IZet, INSERT_VALUES, user->lIZet));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->JCsi, INSERT_VALUES, user->lJCsi));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->JCsi, INSERT_VALUES, user->lJCsi));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->JEta, INSERT_VALUES, user->lJEta));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->JEta, INSERT_VALUES, user->lJEta));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->JZet, INSERT_VALUES, user->lJZet));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->JZet, INSERT_VALUES, user->lJZet));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->KCsi, INSERT_VALUES, user->lKCsi));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->KCsi, INSERT_VALUES, user->lKCsi));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->KEta, INSERT_VALUES, user->lKEta));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->KEta, INSERT_VALUES, user->lKEta));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->KZet, INSERT_VALUES, user->lKZet));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->KZet, INSERT_VALUES, user->lKZet));
    PetscCall(DMGlobalToLocalBegin(user->da, user->Nvert, INSERT_VALUES, user->lNvert));
    PetscCall(DMGlobalToLocalEnd(user->da, user->Nvert, INSERT_VALUES, user->lNvert));
    PetscCall(DMGlobalToLocalBegin(user->da, user->Aj, INSERT_VALUES, user->lAj));
    PetscCall(DMGlobalToLocalEnd(user->da, user->Aj, INSERT_VALUES, user->lAj));
    PetscCall(DMGlobalToLocalBegin(user->da, user->IAj, INSERT_VALUES, user->lIAj));
    PetscCall(DMGlobalToLocalEnd(user->da, user->IAj, INSERT_VALUES, user->lIAj));
    PetscCall(DMGlobalToLocalBegin(user->da, user->JAj, INSERT_VALUES, user->lJAj));
    PetscCall(DMGlobalToLocalEnd(user->da, user->JAj, INSERT_VALUES, user->lJAj));
    PetscCall(DMGlobalToLocalBegin(user->da, user->KAj, INSERT_VALUES, user->lKAj));
    PetscCall(DMGlobalToLocalEnd(user->da, user->KAj, INSERT_VALUES, user->lKAj));
    PetscCall(DMGlobalToLocalBegin(user->da, user->P, INSERT_VALUES, user->lP));
    PetscCall(DMGlobalToLocalEnd(user->da, user->P, INSERT_VALUES, user->lP));
    PetscCall(DMGlobalToLocalBegin(user->da, user->Psi, INSERT_VALUES, user->lPsi));
    PetscCall(DMGlobalToLocalEnd(user->da, user->Psi, INSERT_VALUES, user->lPsi));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Ucat, INSERT_VALUES, user->lUcat));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Ucat, INSERT_VALUES, user->lUcat));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Ucont, INSERT_VALUES, user->lUcont));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Ucont, INSERT_VALUES, user->lUcont));
    PetscCall(DMGlobalToLocalBegin(user->fda, user->Cent, INSERT_VALUES, user->lCent));
    PetscCall(DMGlobalToLocalEnd(user->fda, user->Cent, INSERT_VALUES, user->lCent));
    PetscFunctionReturn(0);
}

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PicurvCreateSwarmPair()

PetscErrorCode PicurvCreateSwarmPair	(	UserCtx *	user,
		PetscInt	nlocal,
		const char *	post_field_name
	)

Creates paired runtime/post swarms with optional extra post-processing field registration.

Creates paired runtime/post swarms with optional extra post-processing field registration.

Definition at line 731 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (!user) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_NULL, "UserCtx cannot be NULL.");
    }
 
    PetscCall(DMCreate(PETSC_COMM_WORLD, &user->swarm));
    PetscCall(DMSetType(user->swarm, DMSWARM));
    PetscCall(DMSetDimension(user->swarm, 3));
    PetscCall(DMSwarmSetType(user->swarm, DMSWARM_BASIC));
    PetscCall(DMSwarmSetCellDM(user->swarm, user->da));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "position", 3, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "velocity", 3, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "DMSwarm_CellID", 3, PETSC_INT));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "weight", 3, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "Diffusivity", 1, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "DiffusivityGradient", 3, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "Psi", 1, PETSC_REAL));
    PetscCall(RegisterSwarmFieldForTests(user->swarm, "DMSwarm_location_status", 1, PETSC_INT));
    PetscCall(DMSwarmFinalizeFieldRegister(user->swarm));
    PetscCall(DMSwarmSetLocalSizes(user->swarm, nlocal, 0));
 
    PetscCall(DMCreate(PETSC_COMM_WORLD, &user->post_swarm));
    PetscCall(DMSetType(user->post_swarm, DMSWARM));
    PetscCall(DMSetDimension(user->post_swarm, 3));
    PetscCall(DMSwarmSetType(user->post_swarm, DMSWARM_BASIC));
    PetscCall(DMSwarmSetCellDM(user->post_swarm, user->da));
    PetscCall(RegisterSwarmFieldForTests(user->post_swarm, post_field_name, 1, PETSC_REAL));
    PetscCall(DMSwarmFinalizeFieldRegister(user->post_swarm));
    PetscCall(DMSwarmSetLocalSizes(user->post_swarm, nlocal, 0));
    PetscFunctionReturn(0);
}

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PicurvMakeTempDir()

PetscErrorCode PicurvMakeTempDir	(	char *	path,
		size_t	path_len
	)

Creates a unique temporary directory path and materializes the directory.

Creates a unique temporary directory path and materializes the directory.

Definition at line 168 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (!path || path_len < 24) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_NULL, "Temp directory buffer is missing or too small.");
    }
 
    PetscCall(PetscSNPrintf(path, path_len, "/tmp/picurv-test-XXXXXX"));
    if (!mkdtemp(path)) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "mkdtemp failed for '%s': %s", path, strerror(errno));
    }
    PetscFunctionReturn(0);
}

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PicurvRemoveTempDir()

PetscErrorCode PicurvRemoveTempDir

(

const char *

path

)

Recursively removes a temporary directory created by PicurvMakeTempDir.

Definition at line 185 of file test_support.c.

{
    char cmd[512];
 
    PetscFunctionBeginUser;
    if (!path || path[0] == '\0') PetscFunctionReturn(0);
    /* Safety: only remove paths under /tmp/picurv-test- */
    if (strncmp(path, "/tmp/picurv-test-", 17) != 0) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG,
                "Refusing to remove path outside /tmp/picurv-test-*: '%s'", path);
    }
    PetscCall(PetscSNPrintf(cmd, sizeof(cmd), "rm -rf '%s'", path));
    if (system(cmd) != 0) {
        PetscCall(PetscPrintf(PETSC_COMM_SELF, "Warning: failed to remove temp dir '%s'\n", path));
    }
    PetscFunctionReturn(0);
}

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PicurvEnsureDir()

PetscErrorCode PicurvEnsureDir

(

const char *

path

)

Ensures a directory exists, creating it if required.

Ensures a directory exists, creating it if required.

Definition at line 156 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (mkdir(path, 0777) != 0 && errno != EEXIST) {
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Failed to create directory '%s': %s", path, strerror(errno));
    }
    PetscFunctionReturn(0);
}

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PicurvAssertRealNear()

PetscErrorCode PicurvAssertRealNear	(	PetscReal	expected,
		PetscReal	actual,
		PetscReal	tol,
		const char *	context
	)

Asserts two real values are within tolerance for test validation.

Asserts two real values are within tolerance for test validation.

Definition at line 1021 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (PetscAbsReal(expected - actual) > tol) {
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,
                              "[FAIL] %s | expected=%0.12e actual=%0.12e tol=%0.12e\n",
                              context, (double)expected, (double)actual, (double)tol));
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Assertion failed.");
    }
    PetscFunctionReturn(0);
}

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PicurvAssertIntEqual()

PetscErrorCode PicurvAssertIntEqual	(	PetscInt	expected,
		PetscInt	actual,
		const char *	context
	)

Asserts two integer values are exactly equal for test validation.

Asserts two integer values are exactly equal for test validation.

Definition at line 1036 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (expected != actual) {
        PetscCall(PetscPrintf(PETSC_COMM_WORLD,
                              "[FAIL] %s | expected=%" PetscInt_FMT " actual=%" PetscInt_FMT "\n",
                              context, expected, actual));
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Assertion failed.");
    }
    PetscFunctionReturn(0);
}

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PicurvAssertBool()

PetscErrorCode PicurvAssertBool	(	PetscBool	value,
		const char *	context
	)

Asserts a boolean condition is true for test validation.

Asserts a boolean condition is true for test validation.

Definition at line 1051 of file test_support.c.

{
    PetscFunctionBeginUser;
    if (!value) {
        PetscCall(PetscPrintf(PETSC_COMM_WORLD, "[FAIL] %s\n", context));
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_PLIB, "Assertion failed.");
    }
    PetscFunctionReturn(0);
}

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PicurvAssertFileExists()

PetscErrorCode PicurvAssertFileExists	(	const char *	path,
		const char *	context
	)

Asserts a filesystem path exists.

Asserts a filesystem path exists.

Definition at line 1064 of file test_support.c.

{
    PetscBool exists = PETSC_FALSE;
 
    PetscFunctionBeginUser;
    PetscCall(PetscTestFile(path, 'r', &exists));
    if (!exists) {
        PetscCall(PetscPrintf(PETSC_COMM_WORLD, "[FAIL] %s | missing file: %s\n", context, path));
        SETERRQ(PETSC_COMM_SELF, PETSC_ERR_FILE_OPEN, "Expected file is missing.");
    }
    PetscFunctionReturn(0);
}

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PicurvAssertVecConstant()

PetscErrorCode PicurvAssertVecConstant	(	Vec	vec,
		PetscScalar	expected,
		PetscReal	tol,
		const char *	context
	)

Asserts every entry of a vector equals a constant within tolerance.

Asserts every entry of a vector equals a constant within tolerance.

Definition at line 1080 of file test_support.c.

{
    PetscReal vmin = 0.0;
    PetscReal vmax = 0.0;
 
    PetscFunctionBeginUser;
    PetscCall(VecMin(vec, NULL, &vmin));
    PetscCall(VecMax(vec, NULL, &vmax));
    PetscCall(PicurvAssertRealNear((PetscReal)expected, vmin, tol, context));
    PetscCall(PicurvAssertRealNear((PetscReal)expected, vmax, tol, context));
    PetscFunctionReturn(0);
}

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