geo-buffer 0.2.0

This crate provides methods to buffer (to inflate or deflate) certain primitive geometric types in the GeoRust ecosystem via a straight skeleton.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

//! This module provides a conceptual structure of points and half-lines.
//! 
//! See more details on each item.

mod coordinate;
mod ray;

pub use coordinate::Coordinate;
pub use ray::Ray;

const EPS: f64 = 1e-9;

pub(crate) fn feq(x: f64, y: f64) -> bool{
    f64::abs(x-y) < EPS
}

pub(crate) fn fneq(x: f64, y: f64) -> bool{
    !feq(x, y)
}

pub(crate) fn fgt(x: f64, y: f64) -> bool{
    if feq(x, y) {return false;}
    x > y
}

#[allow(dead_code)]
pub(crate) fn flt(x: f64, y: f64) -> bool{
    if feq(x, y) {return false;}
    x < y
}

pub(crate) fn fgeq(x: f64, y: f64) -> bool{
    if feq(x, y) {return true;}
    x > y
}

pub(crate) fn fleq(x: f64, y: f64) -> bool{
    if feq(x, y) {return true;}
    x < y
}