use invariant format provider

smdn · smdn · commit 83e77f0f6f54 · 2022-02-04T02:27:53.000+09:00
diff --git a/src/Smdn.Fundamental.SIPrefix/Smdn.Formats/SIPrefixNumberFormatter.cs b/src/Smdn.Fundamental.SIPrefix/Smdn.Formats/SIPrefixNumberFormatter.cs
@@ -176,7 +176,7 @@ public string Format(string format, object arg, IFormatProvider formatProvider)
       if (digits == 0)
         ret.Append(((long)val).ToString("D"));
       else
-        ret.Append(val.ToString("F" + digits.ToString("D", provider: null)));
+        ret.Append(val.ToString("F" + digits.ToString("D", provider: NumberFormatInfo.InvariantInfo)));
     }
 
     if (!abbreviate && 0 < prefixes[aux].Length)

Original file line number	Diff line number	Diff line change
`@@ -176,7 +176,7 @@ public string Format(string format, object arg, IFormatProvider formatProvider)`
`176`	`176`	`if (digits == 0)`
`177`	`177`	`ret.Append(((long)val).ToString("D"));`
`178`	`178`	`else`
`179`		`- ret.Append(val.ToString("F" + digits.ToString("D", provider: null)));`
	`179`	`+ ret.Append(val.ToString("F" + digits.ToString("D", provider: NumberFormatInfo.InvariantInfo)));`
`180`	`180`	`}`
`181`	`181`
`182`	`182`	`if (!abbreviate && 0 < prefixes[aux].Length)`