Refactor periodogram and multi-color implementation

CHANGELOG.md

@@ -9,7 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
---
+- `m_chi2` attribute and `get_m_chi2` method for `TimeSeries`
+- `take_mut` dependency
 
 ### Changed
 

Cargo.toml

@@ -54,6 +54,7 @@ num-traits = "^0.2"
 paste = "1"
 schemars = "^0.8"
 serde = { version = "1", features = ["derive"] }
+take_mut = "0.2.2"
 thiserror = "1"
 thread_local = "1.1"
 unzip3 = "1"
@@ -66,6 +67,7 @@ clap = { version = "3.2.6", features = ["std", "color", "suggestions", "derive",
 criterion = "0.4"
 hyperdual = "1.1"
 light-curve-common = "0.1.0"
+ndarray = { version = "^0.15", features = ["approx-0_5"] }
 plotters = { version = "0.3.5", default-features = false, features = ["errorbar", "line_series", "ttf"] }
 plotters-bitmap = "0.3.3"
 rand = "0.7"

src/data/data_sample.rs

@@ -21,6 +21,15 @@ where
     std2: Option<T>,
 }
 
+impl<'a, T> PartialEq for DataSample<'a, T>
+where
+    T: Float,
+{
+    fn eq(&self, other: &Self) -> bool {
+        self.sample == other.sample
+    }
+}
+
 macro_rules! data_sample_getter {
     ($attr: ident, $getter: ident, $func: expr, $method_sorted: ident) => {
         // This lint is false-positive in macros

src/data/mod.rs

@@ -1,12 +1,11 @@
 mod data_sample;
 pub use data_sample::DataSample;
 
-mod multi_color_time_series;
+pub(crate) mod multi_color_time_series;
 pub use multi_color_time_series::MultiColorTimeSeries;
 
 mod sorted_array;
 pub use sorted_array::SortedArray;
 
 mod time_series;
-
 pub use time_series::TimeSeries;