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ScalarObjectiveLinearization

eqiora::ir

Struct ScalarObjectiveLinearization 

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

Accepted-point linearization of one scalar objective functional.

This is the objective-side counterpart of LinearizedRelation. The value and both cotangents are produced by one lowering, so adjoint analysis does not receive three unrelated raw values. Accepted-point identity is a provenance/artifact concern; the numerical contract validates finiteness here and relation dimensions at composition time.

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impl ScalarObjectiveLinearization

Signature links:§ScalarObjectiveLinearization

pub fn new( value: f64, unknown_cotangent: Vec<f64>, parameter_cotangent: Vec<f64>, ) -> Result<ScalarObjectiveLinearization, Diagnostic>

Signature links:newf64Vecf64Vecf64ResultScalarObjectiveLinearizationDiagnostic

Construct one finite objective value with its J_w and direct J_p.

Relation compatibility is checked when the objective is composed with an accepted relation.

§Errors

Returns EQ0704 if any value is non-finite.

pub const fn value(&self) -> f64

Signature links:valuef64

Objective value at the accepted linearization point.

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

Signature links:unknown_cotangentf64

Objective-state cotangent J_w in relation unknown order.

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

Signature links:parameter_cotangentf64

Direct objective-design cotangent J_p in relation Parameter order.

Trait Implementations§

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impl Clone for ScalarObjectiveLinearization

Signature links:§CloneScalarObjectiveLinearization
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fn clone(&self) -> ScalarObjectiveLinearization

Signature links:§cloneScalarObjectiveLinearization
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 ScalarObjectiveLinearization

Signature links:§DebugScalarObjectiveLinearization
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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 LinearizedOutput<f64> for ScalarObjectiveLinearization

Signature links:§LinearizedOutputf64ScalarObjectiveLinearization
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fn unknown_dimension(&self) -> usize

Signature links:§unknown_dimensionusize
Number of implicit-state coordinates consumed by the projection.
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fn parameter_dimension(&self) -> usize

Signature links:§parameter_dimensionusize
Number of selected design coordinates consumed by the projection.
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fn output_dimension(&self) -> usize

Signature links:§output_dimensionusize
Number of published output coordinates.
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fn primal(&self, output: &mut [f64]) -> Result<(), Diagnostic>

Signature links:§primalf64Result()Diagnostic
Evaluate the output at the fixed accepted point. Read more
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fn jvp( &self, unknown_tangent: &[f64], parameter_tangent: &[f64], output_tangent: &mut [f64], ) -> Result<(), Diagnostic>

Signature links:§jvpf64f64f64Result()Diagnostic
Evaluate O_w * dw + O_p * dp. Read more
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fn vjp( &self, output_cotangent: &[f64], unknown_cotangent: &mut [f64], parameter_cotangent: &mut [f64], ) -> Result<(), Diagnostic>

Signature links:§vjpf64f64f64Result()Diagnostic
Evaluate (O_w^T * c, O_p^T * c) in one paired reverse action. Read more
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impl PartialEq for ScalarObjectiveLinearization

Signature links:§PartialEqScalarObjectiveLinearization
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fn eq(&self, other: &ScalarObjectiveLinearization) -> bool

Signature links:§eqScalarObjectiveLinearizationbool
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 ScalarObjectiveLinearization

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