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Code Issues

(#34) Add Random.NextSingle([float, float])

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Oliver Booth 2021-03-07 18:28:09 +00:00
parent c4e890f2cb
commit defa8cb890
1 changed files with 38 additions and 0 deletions
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38
X10D/src/RandomExtensions/RandomExtensions.cs
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@ -131,6 +131,44 @@ namespace X10D.RandomExtensions
return list[random.Next(list.Count)];
}
/// <summary>
/// Returns a random single-precision floating point number between 0 and 1.
/// </summary>
/// <param name="random">The <see cref="System.Random" /> instance.</param>
/// <returns>A random single-precision floating point number between 0 and 1.</returns>
/// <exception cref="ArgumentNullException"><paramref name="random" /> is <see langword="null" />.</exception>
public static float NextSingle(this Random random)
{
if (random is null)
{
throw new ArgumentNullException(nameof(random));
}
return random.NextSingle(0, 1);
}
/// <summary>
/// Returns a random single-precision floating point number that is within a specified range.
/// </summary>
/// <param name="random">The <see cref="System.Random" /> instance.</param>
/// <param name="minValue">The inclusive lower bound of the random number returned.</param>
/// <param name="maxValue">
/// The inclusive lower bound of the random number returned. This value must be greater than or equal to
/// <paramref name="minValue" />.
/// </param>
/// <returns>
/// A random single-precision floating point number between <paramref name="minValue" /> and
/// <paramref name="maxValue" />.
/// </returns>
/// <exception cref="ArgumentNullException"><paramref name="random" /> is <see langword="null" />.</exception>
/// <exception cref="ArgumentException">
/// <paramref name="maxValue" /> is less than <paramref name="minValue" />.
/// </exception>
public static float NextSingle(this Random random, float minValue, float maxValue)
{
return (float)random.NextDouble(minValue, maxValue);
}
/// <summary>
/// Returns a new string of a specified length which is composed of specified characters.
/// </summary>