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DistributedLinearSystem

eqiora::distributed

Struct DistributedLinearSystem 

pub struct DistributedLinearSystem { /* private fields */ }
Description

A complete linear system distributed over one validated layout.

The complete matrix is identified by its CSR agreement fingerprint, and DistributedCsr holds the derived row shards. The complete right-hand side and its rank-local projections are stored here. Mesh, assembly, transport, reconstruction, and solver policy are handled elsewhere.

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impl DistributedLinearSystem

Signature links:§DistributedLinearSystem

pub fn from_complete( complete: &CanonicalCsrSystemView, partition: Partition, ) -> Result<DistributedLinearSystem, Diagnostic>

Signature links:from_completeCanonicalCsrSystemViewPartitionResultDistributedLinearSystemDiagnostic

Derive distributed shards, layouts, halo, RHS projections, and all L2 identities from one canonical complete view and one owner map.

§Errors

Returns EQ0807 when dimensions or scalar types disagree, or when the derived distributed CSR is invalid.

pub fn from_owned_shards( complete: &CanonicalCsrSystemView, partition: Partition, shards: Vec<OwnedLinearSystemShard>, ) -> Result<DistributedLinearSystem, Diagnostic>

Signature links:from_owned_shardsCanonicalCsrSystemViewPartitionVecOwnedLinearSystemShardResultDistributedLinearSystemDiagnostic

Build the distributed system from already assembled owned rows and their owner map.

Each shard is compared bit for bit with the complete system before it is used. The partition must own exactly the rows carried by the shards; this constructor never rebalances or re-partitions.

§Errors

Returns EQ0807 for a missing, duplicate, misowned, reordered, or numerically different shard, or for disagreement with the complete canonical system.

pub const fn operator(&self) -> &DistributedCsr

Signature links:operatorDistributedCsr

Derived distributed CSR, including partition, shards, and halo plan.

pub const fn partition(&self) -> &Partition

Signature links:partitionPartition

Unique owner map.

pub fn complete_right_hand_side(&self) -> &[f64]

Signature links:complete_right_hand_sidef64

Complete finite RHS in global-index order.

pub const fn properties(&self) -> LinearOperatorProperties

Signature links:propertiesLinearOperatorProperties

Asserted mathematical properties inherited from the complete view.

pub const fn system_identity(&self) -> CanonicalCsrAgreementFingerprintV1

Signature links:system_identityCanonicalCsrAgreementFingerprintV1

Agreement fingerprint of the complete system.

pub const fn partition_identity(&self) -> PartitionAgreementIdentityV1

Signature links:partition_identityPartitionAgreementIdentityV1

Agreement identity of the owner map.

pub const fn layout_identity(&self) -> DistributedLayoutAgreementIdentityV1

Signature links:layout_identityDistributedLayoutAgreementIdentityV1

Agreement identity of the derived layout and halo plan.

pub fn matches_complete(&self, complete: &CanonicalCsrSystemView) -> bool

Signature links:matches_completeCanonicalCsrSystemViewbool

Whether complete is the system this was built from, including its CSR, right-hand side, and asserted properties.

pub fn local_problem( &self, partition: PartitionId, ) -> Result<DistributedLinearProblem<'_>, Diagnostic>

Signature links:local_problemPartitionIdResultDistributedLinearProblemDiagnostic

Borrow one rank-local problem in that layout’s explicit owned order.

§Errors

Returns EQ0802 for an unknown partition or an internal projection contradiction.

pub fn admission_fingerprint( &self, plan: SolverPlan, ) -> Result<DistributedAdmissionFingerprintV1, Diagnostic>

Signature links:admission_fingerprintSolverPlanResultDistributedAdmissionFingerprintV1Diagnostic

Validate the distributed numerical policy and derive the fixed-size fingerprint that all partitions must agree on before solving.

§Errors

Returns EQ0807 unless the algorithm accepts the asserted operator, the distributed contract implements the requested preconditioner, and an available positive Jacobi diagonal exists when requested.

Trait Implementations§

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impl Debug for DistributedLinearSystem

Signature links:§DebugDistributedLinearSystem
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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Signature links:§fmtFormatterResult()Error
Formats the value using the given formatter. Read more
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impl PartialEq for DistributedLinearSystem

Signature links:§PartialEqDistributedLinearSystem
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fn eq(&self, other: &DistributedLinearSystem) -> bool

Signature links:§eqDistributedLinearSystembool
Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Signature links:unstableSource§ne&Rhsbool
Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for DistributedLinearSystem

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