BREP_kernel 0.15.0

A boundary representation (BREP) geometry kernel for building CAD applications.
Documentation 
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use crate::sweep_topology::{curve_to_plane_parameters, parameter_line, profile_area};
use crate::topology::{
    BrepSolid, CoedgeRecord, EdgeRecord, FaceRecord, LoopRecord, ShellRecord, VertexRecord,
};
use crate::{interpolate_curve, make_plane, NurbsCurve, NurbsSurface, Vec3, Vec4};
use crate::{KernelRefusal, KernelStage, OrRefuse};

#[path = "loft_topology/basic.rs"]
mod basic;
#[path = "loft_topology/guided.rs"]
mod guided;
#[path = "loft_topology/closed.rs"]
mod closed;

pub use basic::{loft_profile_brep, loft_profile_brep_tangent};
use basic::closed_points;

pub use closed::loft_profile_brep_closed;
pub(crate) use closed::loft_profile_brep_closed_shifted;

pub use guided::{loft_profile_brep_guided, loft_profile_brep_guided_frame};

#[path = "loft_topology/validation.rs"]
mod validation;
use validation::validate_sections;

/// Consecutive construction stages, emitted only under the existing profiling switch.
/// Nested builder/acceptance times are hierarchical, not additive.
pub(crate) struct ConstructionProfile {
    builder: &'static str,
    started: Option<web_time::Instant>,
}
impl ConstructionProfile {
    pub(crate) fn new(builder: &'static str) -> Self {
        let enabled = crate::profile::profile_enabled();
        Self { builder, started: enabled.then(web_time::Instant::now) }
    }
    pub(crate) fn lap(&mut self, phase: &str) {
        if let Some(started) = &mut self.started {
            profile_line!("construction.profile builder={} {}_ms={:.6}",
                self.builder, phase, started.elapsed().as_secs_f64() * 1000.0);
            *started = web_time::Instant::now();
        }
    }
}