/// <summary>
/// Returns a <see cref="DateTime"/> value that is rounded towards negative infinity.
/// </summary>
/// <param name="value">A <see cref="DateTime"/> value to be rounded.</param>
/// <param name="interval">The <see cref="double"/> value that in combination with <paramref name="timeUnit"/> specifies the rounding of <paramref name="value"/>.</param>
/// <param name="timeUnit">One of the enumeration values that specifies the time unit of <paramref name="interval"/>.</param>
/// <returns>A <see cref="DateTime"/> value that is rounded towards negative infinity.</returns>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="interval"/> is 0.
/// </exception>
public static DateTime Floor(this DateTime value, double interval, TimeUnit timeUnit)
{
return(DateTimeUtility.Floor(value, interval, timeUnit));
}
/// <summary>
/// Returns a <see cref="DateTime"/> value that is rounded towards negative infinity.
/// </summary>
/// <param name="value">A <see cref="DateTime"/> value to be rounded.</param>
/// <param name="interval">The <see cref="TimeSpan"/> value that specifies the rounding of <paramref name="value"/>.</param>
/// <returns>A <see cref="DateTime"/> value that is rounded towards negative infinity.</returns>
public static DateTime Floor(this DateTime value, TimeSpan interval)
{
return(DateTimeUtility.Floor(value, interval));
}
