From 87a6ab4f9ac7b2b2c0438a724bfe971ec9231714 Mon Sep 17 00:00:00 2001
From: Karen Sargsyan <karsar@ibms.sinica.edu.tw>
Date: Sun, 22 May 2016 15:32:40 +0800
Subject: asin, acos, atan, atan2 added

---
 lib/js/urweb.js  | 16 ++++++++++++++++
 lib/ur/basis.urs |  4 ++++
 2 files changed, 20 insertions(+)

(limited to 'lib')

diff --git a/lib/js/urweb.js b/lib/js/urweb.js
index 7842775b..55925df5 100644
--- a/lib/js/urweb.js
+++ b/lib/js/urweb.js
@@ -135,6 +135,22 @@ function log(n){
 function exp(n){
     return Math.exp(n);
 }
+
+function asin(n){
+    return Math.asin(n);
+}
+function acos(n){
+    return Math.acos(n);
+}
+
+function atan(n){
+    return Math.atan(n);
+}
+
+function atan2(n, m){
+    return Math.atan2(n, m);
+}
+
 // Time, represented as counts of microseconds since the epoch
 
 var time_format = "%c";
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 45a17eb1..c1ee28b3 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -160,6 +160,10 @@ val sin : float -> float
 val cos : float -> float
 val log : float -> float
 val exp : float -> float
+val asin : float -> float
+val acos : float -> float
+val atan : float -> float
+val atan2 : float -> float -> float
 
 (** * Time *)
 
-- 
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