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Add VisitInit and Safediv function #2

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Add VisitInit and Safediv function #2

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766dcdb
Update EvaluationVisitor.cs
KessalR Apr 7, 2021
ee517da
Update EvaluationVisitor.cs
clementdepond May 4, 2021
4610884
Merge pull request #1 from KessalR/patch-1
clementdepond May 4, 2021
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24 changes: 24 additions & 0 deletions src/NCalcAsync/Domain/EvaluationVisitor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -524,6 +527,27 @@ 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":

Expand Down