From b2ca8c34d1b7e6f39d9d23634d799bfe0617933c Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Wed, 17 Feb 2021 12:27:27 +0800
Subject: [PATCH] Add atan2 and hypot functions.

---
 RELEASES.md                | 1 +
 src/packages/math_basic.rs | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/RELEASES.md b/RELEASES.md
index 89d2fd3b..e364c74b 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -32,6 +32,7 @@ Enhancements
 ------------
 
 * Functions resolution cache is used in more cases, making repeated function calls faster.
+* Added `atan(x, y)` and `hypot(x, y)` to `BasicMathPackage`.
 
 
 Version 0.19.11
diff --git a/src/packages/math_basic.rs b/src/packages/math_basic.rs
index 661afd26..5b8bc8dd 100644
--- a/src/packages/math_basic.rs
+++ b/src/packages/math_basic.rs
@@ -170,6 +170,10 @@ mod trig_functions {
     pub fn atan(x: FLOAT) -> FLOAT {
         x.atan()
     }
+    #[rhai_fn(name = "atan")]
+    pub fn atan2(x: FLOAT, y: FLOAT) -> FLOAT {
+        x.atan2(y)
+    }
     pub fn asinh(x: FLOAT) -> FLOAT {
         x.asinh()
     }
@@ -179,6 +183,9 @@ mod trig_functions {
     pub fn atanh(x: FLOAT) -> FLOAT {
         x.atanh()
     }
+    pub fn hypot(x: FLOAT, y: FLOAT) -> FLOAT {
+        x.hypot(y)
+    }
 }
 
 #[cfg(not(feature = "no_float"))]