From 67cf000387247863d940404008b8b6167624c2be Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Mon, 24 May 2021 17:19:18 -0700
Subject: [PATCH] add comment with intention to refactor trig functions in
 terms of sin_cos_tau

---
 src/algorithms/trig_pi.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/algorithms/trig_pi.rs b/src/algorithms/trig_pi.rs
index 5be0ad6..834fd96 100644
--- a/src/algorithms/trig_pi.rs
+++ b/src/algorithms/trig_pi.rs
@@ -3,6 +3,9 @@ use crate::{
     traits::{Compare, Context, ConvertFrom, ConvertTo, Float, Make, Select},
 };
 
+// TODO: change `sin`/`cos`/`sin_pi`/`cos_pi` implementations to be
+// in terms of `sin_cos_tau` aka. `(sin(2 * pi * x), cos(2 * pi * x))`
+
 mod consts {
     #![allow(clippy::excessive_precision)]
     #![allow(dead_code)]
-- 
2.30.2