Mk0.Tools.TimeTools/Mk0.Tools.TimeTools/TimeTools.cs
2019-07-25 10:31:33 +02:00

30 lines
861 B
C#

using System;
namespace Mk0.Tools.TimeTools
{
public static class TimeTools
{
public static DateTime RoundUp(this DateTime dt, TimeSpan d)
{
var modTicks = dt.Ticks % d.Ticks;
var delta = modTicks != 0 ? d.Ticks - modTicks : 0;
return new DateTime(dt.Ticks + delta, dt.Kind);
}
public static DateTime RoundDown(this DateTime dt, TimeSpan d)
{
var delta = dt.Ticks % d.Ticks;
return new DateTime(dt.Ticks - delta, dt.Kind);
}
public static DateTime RoundToNearest(this DateTime dt, TimeSpan d)
{
var delta = dt.Ticks % d.Ticks;
bool roundUp = delta > d.Ticks / 2;
var offset = roundUp ? d.Ticks : 0;
return new DateTime(dt.Ticks + offset - delta, dt.Kind);
}
}
}