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ComponentScalarization

eqiora::ir

Struct ComponentScalarization 

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

Operator-lowering proof that shaped residuals mean componentwise zero.

Semantic expression nodes remain shaped. This lowered form alone expands roots into deterministic scalar rows; it does not add component-selection nodes to canonical meaning.

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impl ComponentScalarization

Signature links:§ComponentScalarization

pub fn linearize( &self, resolve: impl FnMut(&ScalarSymbolCoordinate) -> Option<(f64, DifferentiationRole)>, ) -> Result<ComponentLinearization<'_>, Diagnostic>

Signature links:linearizeFnMutScalarSymbolCoordinateOptionf64DifferentiationRoleResultComponentLinearizationDiagnostic

Bind one point and differentiation role per exact source coordinate. The resolver is called once per distinct coordinate, including frozen inputs. Active coordinate order is first appearance in the retained residual rows.

§Errors

Rejects missing/nonfinite inputs and unsupported derivative operations.

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impl ComponentScalarization

Signature links:§ComponentScalarization

pub fn lower<I>( residual: &TypedResidual<I>, ) -> Result<ComponentScalarization, Diagnostic>
where I: Clone + Eq,

Signature links:lowerTypedResidualResultComponentScalarizationDiagnosticCloneEq

Scalarize one fully typed pointwise residual.

Rows are ordered by Relation root, row-major component index, then real/imaginary part. A real scalar root contributes one row with an empty index; a complex root contributes two. Spatial operators fail closed because their scalarization belongs to a discretized Operator lowering, not this pointwise contract.

§Errors

Returns EQ0701 for shape cardinality mismatch, unrepresentable row count, inconsistent repeated-symbol shape, a non-pointwise expression, or an invalid exact component coordinate.

pub fn lower_selected<I>( residual: &TypedResidual<I>, roots: &[ExprId], ) -> Result<ComponentScalarization, Diagnostic>
where I: Clone + Eq,

Signature links:lower_selectedTypedResidualExprIdResultComponentScalarizationDiagnosticCloneEq

Lower selected retained operands using their original typed environment. Unselected roots do not contribute execution or derivative inputs.

§Errors

Rejects foreign roots and the same unsupported values or resource limits as full component scalarization.

pub fn rows(&self) -> &[ComponentScalarRow]

Signature links:rowsComponentScalarRow

Deterministic scalar residual rows.

pub fn evaluate( &self, resolve: impl FnMut(&ScalarSymbolCoordinate) -> Option<f64>, ) -> Result<Vec<f64>, Diagnostic>

Signature links:evaluateFnMutScalarSymbolCoordinateOptionf64ResultVecf64Diagnostic

Evaluate every row through one shaped-coordinate resolver.

§Errors

Returns EQ0702 when a coordinate is missing, or the underlying scalar Operator IR diagnostic for non-finite arithmetic.

Trait Implementations§

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impl Clone for ComponentScalarization

Signature links:§CloneComponentScalarization
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fn clone(&self) -> ComponentScalarization

Signature links:§cloneComponentScalarization
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Signature links:unstableSource§clone_from
Performs copy-assignment from source. Read more
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impl Debug for ComponentScalarization

Signature links:§DebugComponentScalarization
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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 ComponentScalarization

Signature links:§PartialEqComponentScalarization
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fn eq(&self, other: &ComponentScalarization) -> bool

Signature links:§eqComponentScalarizationbool
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 ComponentScalarization

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