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port concentric finder (no test)

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This commit is contained in:
Henry Schimke
2023-03-12 11:49:33 -05:00
parent 80c5e57632
commit 3c575ed2d3
12 changed files with 524 additions and 277 deletions
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31
src/common/cpp_essentials/util.rs
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@@ -1,34 +1,19 @@
use crate::common::Result;
use crate::{Exceptions, Point};
use super::{DMRegressionLine, Direction, RegressionLine};
use super::{Direction, RegressionLineTrait};
#[inline(always)]
pub fn float_min<T: PartialOrd>(a: T, b: T) -> T {
if a > b {
b
} else {
a
}
}
#[inline(always)]
pub fn float_max<T: PartialOrd>(a: T, b: T) -> T {
if a < b {
b
} else {
a
}
}
#[inline(always)]
pub fn intersect(l1: &DMRegressionLine, l2: &DMRegressionLine) -> Result<Point> {
pub fn intersect<T: RegressionLineTrait, T2: RegressionLineTrait>(
l1: &T,
l2: &T2,
) -> Result<Point> {
if !(l1.isValid() && l2.isValid()) {
return Err(Exceptions::ILLEGAL_STATE);
}
let d = l1.a * l2.b - l1.b * l2.a;
let x = (l1.c * l2.b - l1.b * l2.c) / d;
let y = (l1.a * l2.c - l1.c * l2.a) / d;
let d = l1.a() * l2.b() - l1.b() * l2.a();
let x = (l1.c() * l2.b() - l1.b() * l2.c()) / d;
let y = (l1.a() * l2.c() - l1.c() * l2.a()) / d;
Ok(Point { x, y })
}