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Mark J Price 2023-03-25 15:49:11 +00:00
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docs/errata/improvements.md
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@ -369,7 +369,7 @@ for (int i = 0; i < matrix.Axes[1].Points.Length; i++)
> Thanks to [Masoud Nazari](https://github.com/MAS-OUD) for raising this [issue on 25 March 2023](https://github.com/markjprice/cs11dotnet7/issues/50).
In Step 2, I show the default formatting for complex numbers in Western/British culture i.e. using round brackets and commas, as well as a custom format, as shown in the following output:
In Step 2, I show the default formatting for complex numbers i.e. using round brackets and commas, as well as a custom format, as shown in the following output:
```
(4, 2) added to (3, 7) is (7, 9)
4 + 2i added to 3 + 7i is 7 + 9i
@ -377,18 +377,13 @@ In Step 2, I show the default formatting for complex numbers in Western/British
> See the official documentation for the `Complex.ToString` method here: https://learn.microsoft.com/en-us/dotnet/api/system.numerics.complex.tostring
In other cultures the default formatting for complex numbers might look different, for example, as shown in the following output:
Although this is the behavior in .NET 6, in .NET 7 (and .NET 8 previews), the formatting of complex numbers uses angle brackets and semi-colons, as shown in the following output:
```
<4; 2> added to <3; 7> is <7; 9>
4 + 2i added to 3 + 7i is 7 + 9i
```
In the next edition, I will add a note about this for those readers in countries with unusual complex number formats.
To force the formatting for complex numbers to match the book, add the following statement at the top of the `Program.cs` file:
```cs
System.Globalization.CultureInfo.CurrentCulture =
```
In the next edition, I will add a note about this. Since the official documentation still shows the behavior of .NET 6, this seems very odd.
# Page 444 - Connecting to a database