From 766dcdb05d1fb329e4020f0c6a321644eecf55fd Mon Sep 17 00:00:00 2001
From: KessalR <72248648+KessalR@users.noreply.github.com>
Date: Wed, 7 Apr 2021 17:15:40 +0200
Subject: [PATCH 1/2] Update EvaluationVisitor.cs

case "value" added
---
 src/NCalcAsync/Domain/EvaluationVisitor.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/NCalcAsync/Domain/EvaluationVisitor.cs b/src/NCalcAsync/Domain/EvaluationVisitor.cs
index 3d97511..521de66 100644
--- a/src/NCalcAsync/Domain/EvaluationVisitor.cs
+++ b/src/NCalcAsync/Domain/EvaluationVisitor.cs
@@ -294,6 +294,9 @@ public override async Task VisitAsync(Function function)
             switch (function.Identifier.Name.ToLower())
             {
                 #region Specifics
+                case "value":
+                    await VisitValue(function);
+                    break;
                 case "init":
                     await VisitInit(function);
                     break;

From ee517daccf98a6c4d611936eec2fabb4769c6484 Mon Sep 17 00:00:00 2001
From: clementdepond <70962478+clementdepond@users.noreply.github.com>
Date: Tue, 4 May 2021 15:35:54 +0200
Subject: [PATCH 2/2] Update EvaluationVisitor.cs

---
 src/NCalcAsync/Domain/EvaluationVisitor.cs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/NCalcAsync/Domain/EvaluationVisitor.cs b/src/NCalcAsync/Domain/EvaluationVisitor.cs
index 3d97511..dded5c5 100644
--- a/src/NCalcAsync/Domain/EvaluationVisitor.cs
+++ b/src/NCalcAsync/Domain/EvaluationVisitor.cs
@@ -524,6 +524,27 @@ await EvaluateAsync(function.Expressions[0]))
 
                 #endregion
 
+                #region Safediv
+                case "safediv":
+
+                    CheckCase("Safediv", function.Identifier.Name);
+
+                    if (function.Expressions.Length > 3 && function.Expressions.Length < 2)
+                        throw new ArgumentException("Sign() takes exactly 3 arguments");
+
+                    if (function.Expressions.Length == 3)
+                    {
+                        if (Convert.ToDouble(await EvaluateAsync(function.Expressions[1])) == 0)
+                        {
+                            Result = Convert.ToDouble(await EvaluateAsync(function.Expressions[0])) / Convert.ToDouble(await EvaluateAsync(function.Expressions[2]));
+                        } else
+                        {
+                            Result = Convert.ToDouble(await EvaluateAsync(function.Expressions[0])) / Convert.ToDouble(await EvaluateAsync(function.Expressions[1]));
+                        }
+                    } else { Result = 0; }
+                    break;
+                #endregion
+
                 #region Sign
                 case "sign":