symbios-shape 0.1.0

A derivation engine for CGA Shape Grammars.
Documentation 
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use thiserror::Error;

#[derive(Error, Debug, PartialEq)]
pub enum ShapeError {
    #[error("Parse error: {0}")]
    ParseError(String),
    #[error("Non-finite numeric value detected (NaN/Inf)")]
    InvalidNumericValue,
    #[error("Scope capacity overflow")]
    CapacityOverflow,
    #[error("Split sizes are empty")]
    EmptySplit,
    #[error("Split floating size must be positive: {0}")]
    InvalidFloatingSize(f64),
    #[error("Split absolute sizes exceed scope dimension {0}")]
    SplitOverflow(f64),
    #[error("No floating slots to absorb remainder in split")]
    NoFloatingSlots,
    #[error("Comp selector '{0}' not recognised")]
    UnknownCompSelector(String),
    #[error("Derivation depth limit {0} exceeded")]
    DepthLimitExceeded(usize),
    #[error("Internal error: {0}")]
    Internal(String),
    #[error("Offset inset distance exceeds scope dimension")]
    OffsetTooLarge,
    #[error("Roof angle must be in (0°, 90°): got {0}")]
    InvalidRoofAngle(f64),
    #[error("Align target vector must be non-zero")]
    InvalidAlignTarget,
}