/// <summary>
/// Check whether two narrays have the same rank and sizes.
/// </summary>
public bool SameDims <S>(Narray <S> b)
{
if (this.Rank() != b.Rank())
{
return(false);
}
for (int i = 0; i < this.Rank(); i++)
{
if (this.Dim(i) != b.Dim(i))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Check whether two narrays are equal (mostly for testing).
/// </summary>
public bool Equal(Narray <T> b)
{
if (this.Rank() != b.Rank())
{
return(false);
}
for (int i = 0; i < this.Rank(); i++)
{
if (this.Dim(i) != b.Dim(i))
{
return(false);
}
}
index_t n = this.Length1d();
for (index_t i = 0; i < n; i++)
{
if (!this.UnsafeAt1d(i).Equals(b.UnsafeAt1d(i)))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Make the first array have the same dimensions as the second array.
/// </summary>
public Narray <T> MakeLike <S>(Narray <S> b)
{
if (SameDims(b))
{
return(this);
}
Narray <T> a = this;
int r = b.Rank();
switch (r)
{
case 0:
a.Dealloc();
break;
case 1:
a.Resize(b.Dim(0));
break;
case 2:
a.Resize(b.Dim(0), b.Dim(1));
break;
case 3:
a.Resize(b.Dim(0), b.Dim(1), b.Dim(2));
break;
case 4:
a.Resize(b.Dim(0), b.Dim(1), b.Dim(2), b.Dim(3));
break;
default:
throw new Exception("bad rank");
}
return(this);
}