protected void autoresetDefault_Single()
{
if (typeof(TOut) == typeof(Single))
{
autoresetDefault_NoCast();
return;
}
var localBlock = Block;
Shape shape = Shape;
var convert = Converts.FindConverter <Single, TOut>();
if (!Shape.IsContiguous || Shape.ModifiedStrides)
{
//Shape is sliced, auto-resetting
switch (Type)
{
case IteratorType.Scalar:
{
var offset = shape.TransformOffset(0);
if (offset != 0)
{
MoveNext = () => convert(*((Single *)localBlock.Address + offset));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
}
else
{
MoveNext = () => convert(*((Single *)localBlock.Address));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
}
Reset = () => { };
HasNext = () => true;
break;
}
case IteratorType.Vector:
{
var size = Shape.size;
MoveNext = () =>
{
var ret = convert(*((Single *)localBlock.Address + shape.GetOffset(index++)));
if (index >= size)
{
index = 0;
}
return(ret);
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => index = 0;
HasNext = () => true;
break;
}
case IteratorType.Matrix:
case IteratorType.Tensor:
{
var iterator = new NDCoordinatesIncrementor(ref shape, incr => incr.Reset());
var index = iterator.Index;
Func <int[], int> getOffset = shape.GetOffset;
MoveNext = () =>
{
var ret = convert(*((Single *)localBlock.Address + getOffset(index)));
iterator.Next();
return(ret);
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => iterator.Reset();
HasNext = () => true;
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
//Shape is not sliced, auto-resetting
switch (Type)
{
case IteratorType.Scalar:
MoveNext = () => convert(*(Single *)localBlock.Address);
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => { };
HasNext = () => true;
break;
case IteratorType.Vector:
var size = Shape.size;
MoveNext = () =>
{
var ret = convert(*((Single *)localBlock.Address + index++));
if (index >= size)
{
index = 0;
}
return(ret);
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => index = 0;
HasNext = () => true;
break;
case IteratorType.Matrix:
case IteratorType.Tensor:
var iterator = new NDOffsetIncrementorAutoresetting(Shape); //we do not copy the dimensions because there is not risk for the iterator's shape to change.
MoveNext = () => convert(*((Single *)localBlock.Address + iterator.Next()));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
HasNext = () => true;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
protected void setDefaults_UInt32() //UInt32 is the input type
{
if (AutoReset)
{
autoresetDefault_UInt32();
return;
}
if (typeof(TOut) == typeof(UInt32))
{
setDefaults_NoCast();
return;
}
var convert = Converts.FindConverter <UInt32, TOut>();
//non auto-resetting.
var localBlock = Block;
Shape shape = Shape;
if (Shape.IsSliced || Shape.IsBroadcasted)
{
//Shape is sliced, not auto-resetting
switch (Type)
{
case IteratorType.Scalar:
{
var hasNext = new Reference <bool>(true);
var offset = shape.TransformOffset(0);
if (offset != 0)
{
MoveNext = () =>
{
hasNext.Value = false;
return(convert(*((UInt32 *)localBlock.Address + offset)));
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
}
else
{
MoveNext = () =>
{
hasNext.Value = false;
return(convert(*((UInt32 *)localBlock.Address)));
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
}
Reset = () => hasNext.Value = true;
HasNext = () => hasNext.Value;
break;
}
case IteratorType.Vector:
{
MoveNext = () => convert(*((UInt32 *)localBlock.Address + shape.GetOffset(index++)));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => index = 0;
HasNext = () => index < Shape.size;
break;
}
case IteratorType.Matrix:
case IteratorType.Tensor:
{
var hasNext = new Reference <bool>(true);
var iterator = new NDCoordinatesIncrementor(ref shape, _ => hasNext.Value = false);
Func <int[], int> getOffset = shape.GetOffset;
var index = iterator.Index;
MoveNext = () =>
{
var ret = convert(*((UInt32 *)localBlock.Address + getOffset(index)));
iterator.Next();
return(ret);
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () =>
{
iterator.Reset();
hasNext.Value = true;
};
HasNext = () => hasNext.Value;
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
//Shape is not sliced, not auto-resetting
switch (Type)
{
case IteratorType.Scalar:
var hasNext = new Reference <bool>(true);
MoveNext = () =>
{
hasNext.Value = false;
return(convert(*((UInt32 *)localBlock.Address)));
};
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => hasNext.Value = true;
HasNext = () => hasNext.Value;
break;
case IteratorType.Vector:
MoveNext = () => convert(*((UInt32 *)localBlock.Address + index++));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => index = 0;
HasNext = () => index < Shape.size;
break;
case IteratorType.Matrix:
case IteratorType.Tensor:
var iterator = new NDOffsetIncrementor(Shape); //we do not copy the dimensions because there is not risk for the iterator's shape to change.
MoveNext = () => convert(*((UInt32 *)localBlock.Address + iterator.Next()));
MoveNextReference = () => throw new NotSupportedException("Unable to return references during iteration when casting is involved.");
Reset = () => iterator.Reset();
HasNext = () => iterator.HasNext;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}