28 lines
823 B
C#
28 lines
823 B
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace MP.Data
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{
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public static class DateExtensions
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{
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public static DateTime Round(this DateTime date, TimeSpan span)
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{
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long ticks = (date.Ticks + (span.Ticks / 2) + 1) / span.Ticks;
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return new DateTime(ticks * span.Ticks);
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}
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public static DateTime Floor(this DateTime date, TimeSpan span)
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{
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long ticks = (date.Ticks / span.Ticks);
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return new DateTime(ticks * span.Ticks);
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}
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public static DateTime Ceil(this DateTime date, TimeSpan span)
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{
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long ticks = (date.Ticks + span.Ticks - 1) / span.Ticks;
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return new DateTime(ticks * span.Ticks);
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}
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}
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}
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