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Code Issues Releases Wiki Activity

Use an endian-independent method to find precision

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This commit is contained in:
smoogipoo 2018-02-07 20:03:15 +09:00
parent 23d4c20726
commit ee93c0bc19
1 changed files with 18 additions and 1 deletions
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19
osu.Game/Graphics/UserInterface/OsuSliderBar.cs
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@ -53,7 +53,7 @@ namespace osu.Game.Graphics.UserInterface
var decimalPrecision = normalise((decimal)floatPrecision, max_decimal_digits);
// Find the number of significant digits (we could have less than 5 after normalize())
var significantDigits = (decimal.GetBits(decimalPrecision)[3] >> 16) & 255;
var significantDigits = findPrecision(decimalPrecision);
return floatValue.Value.ToString($"N{significantDigits}");
}
@ -197,5 +197,22 @@ namespace osu.Game.Graphics.UserInterface
/// <returns>The normalised decimal.</returns>
private decimal normalise(decimal d, int sd)
=> decimal.Parse(Math.Round(d, sd).ToString(string.Concat("0.", new string('#', sd)), CultureInfo.InvariantCulture), CultureInfo.InvariantCulture);
/// <summary>
/// Finds the number of digits after the decimal.
/// </summary>
/// <param name="d">The value to find the number of decimal digits for.</param>
/// <returns>The number decimal digits.</returns>
private int findPrecision(decimal d)
{
int precision = 0;
while (d != Math.Round(d))
{
d *= 10;
precision++;
}
return precision;
}
}
}