/// <summary>
/// Subtracts another vector to this vector and stores the result into the result vector.
/// </summary>
/// <param name="other">The vector to subtract from this one.</param>
/// <param name="result">The vector to store the result of the subtraction.</param>
/// <exception cref="ArgumentNullException">If the other vector is <see langword="null"/>.</exception>
/// <exception cref="ArgumentNullException">If the result vector is <see langword="null"/>.</exception>
/// <exception cref="ArgumentException">If this vector and <paramref name="other"/> are not the same size.</exception>
/// <exception cref="ArgumentException">If this vector and <paramref name="result"/> are not the same size.</exception>
public override void Subtract(Vector other, Vector result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
if (Count != other.Count)
{
throw new ArgumentException("other", Resources.ArgumentVectorsSameLength);
}
if (Count != result.Count)
{
throw new ArgumentException("result", Resources.ArgumentVectorsSameLength);
}
if (ReferenceEquals(this, result) || ReferenceEquals(other, result))
{
var tmp = result.CreateVector(result.Count);
Subtract(other, tmp);
tmp.CopyTo(result);
}
else
{
CopyTo(result);
result.Subtract(other);
}
}
/// <summary>
/// Subtracts a scalar from each element of the vector and stores the result in the result vector.
/// </summary>
/// <param name="scalar">The scalar to subtract.</param>
/// <param name="result">The vector to store the result of the subtraction.</param>
/// <exception cref="ArgumentNullException">If the result vector is <see langword="null"/>.</exception>
/// <exception cref="ArgumentException">If this vector and <paramref name="result"/> are not the same size.</exception>
public override void Subtract(double scalar, Vector result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
if (Count != result.Count)
{
throw new ArgumentException("result", Resources.ArgumentVectorsSameLength);
}
CopyTo(result);
result.Subtract(scalar);
}