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CalculusNode

eqiora::kernel::pure_operator

Enum CalculusNode 

pub enum CalculusNode {

Show 16 variants    Require {
        condition: CalculusNodeId,
        value: CalculusNodeId,
    },
    Rational {
        value: ExactRational,
        dimension: DimExponents,
    },
    Boolean(bool),
    Compare(ComparisonOp, CalculusNodeId, CalculusNodeId),
    Not(CalculusNodeId),
    And(CalculusNodeId, CalculusNodeId),
    Or(CalculusNodeId, CalculusNodeId),
    Select {
        condition: CalculusNodeId,
        then_value: CalculusNodeId,
        else_value: CalculusNodeId,
    },
    UnaryMath(UnaryMathFunction, CalculusNodeId),
    FormalComponent {
        formal: u16,
        axes: Box<[ComponentIndex]>,
    },
    KroneckerDelta(ComponentIndex, ComponentIndex),
    BoundInput(CalculusNodeId),
    Differentiated {
        value: CalculusNodeId,
        source: CalculusNodeId,
        wrt: CalculusNodeId,
    },
    Neg(CalculusNodeId),
    Add(CalculusNodeId, CalculusNodeId),
    Mul(CalculusNodeId, CalculusNodeId),

}
Description

Closed component calculus with exact arithmetic.

It has no calls, name lookup, callbacks, or opaque opcodes, so every definition is capture-free and non-recursive by construction.

Variants§

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Require

Demand a Boolean domain condition before evaluating a complete scalar value.

Fields

§condition: CalculusNodeId
§value: CalculusNodeId
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Rational

Exact rational literal.

Fields

§value: ExactRational
§dimension: DimExponents
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Boolean(bool)

Logical value used only by a checked scalar condition.

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Compare(ComparisonOp, CalculusNodeId, CalculusNodeId)

Typed scalar comparison.

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Not(CalculusNodeId)

Boolean negation.

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And(CalculusNodeId, CalculusNodeId)

Short-circuit Boolean conjunction.

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Or(CalculusNodeId, CalculusNodeId)

Short-circuit Boolean disjunction.

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Select

Lazy selection between two complete scalar values.

Fields

§condition: CalculusNodeId
§then_value: CalculusNodeId
§else_value: CalculusNodeId
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UnaryMath(UnaryMathFunction, CalculusNodeId)

Checked real scalar function; only square root is supported.

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FormalComponent

One formal component addressed by explicit result or fixed coordinates.

Fields

§formal: u16

Zero-based formal slot.

§axes: Box<[ComponentIndex]>

Component axis mapping, empty for a scalar formal.

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KroneckerDelta(ComponentIndex, ComponentIndex)

Kronecker delta over two explicit coordinates.

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BoundInput(CalculusNodeId)

One local formal occurrence bound to a caller expression during composition. Distinct formals retain distinct identities even when their values alias.

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Differentiated

A differentiated value that keeps its source and the input it was taken with respect to. Execution reads value; source and wrt record the differentiation order.

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Neg(CalculusNodeId)

Exact negation.

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Add(CalculusNodeId, CalculusNodeId)

Exact addition.

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Mul(CalculusNodeId, CalculusNodeId)

Exact multiplication.

Trait Implementations§

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impl Clone for CalculusNode

Signature links:§CloneCalculusNode
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fn clone(&self) -> CalculusNode

Signature links:§cloneCalculusNode
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 CalculusNode

Signature links:§DebugCalculusNode
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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 CalculusNode

Signature links:§PartialEqCalculusNode
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fn eq(&self, other: &CalculusNode) -> bool

Signature links:§eqCalculusNodebool
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 Eq for CalculusNode

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impl StructuralPartialEq for CalculusNode

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impl<Src, Scheme> ApproxFrom<Src, Scheme> for Src
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The error type produced by a failed conversion.
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Convert the given value into an approximately equivalent representation.
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