tensor4 Module Reference

Defines a rank-4 tensor.

Data Types
type	tensor4_ptr_t
type	tensor4_t

Functions/Subroutines
subroutine	tensor4_init (t, n1, n2, n3, n4, name)
	Initialise a tensor of size n1*n2*n3*n4.
subroutine	tensor4_allocate (t, n1, n2, n3, n4)
	Allocate a tensor of size n1*n2*n3*n4.
subroutine	tensor4_free (t)
	Deallocate a tensor.
pure integer function	tensor4_size (t)
	Returns the number of entries in the tensor.
subroutine	tensor4_copy_from (t, memdir, sync)
	Easy way to copy between host and device.
pure integer function	tensor4_n1 (t)
	Returns the size of the first dimension.
pure integer function	tensor4_n2 (t)
	Returns the size of the second dimension.
pure integer function	tensor4_n3 (t)
	Returns the size of the third dimension.
pure integer function	tensor4_n4 (t)
	Returns the size of the fourth dimension.
subroutine	tensor4_assign_tensor4 (t, w)
	Assignment \( t = w \).
subroutine	tensor4_assign_scalar (t, s)
	Assignment \( t = s \).
subroutine	tensor4_ptr_init (this, ptr)
	Constructor. Just assigns the pointer.
subroutine	tensor4_ptr_free (this)
	Destructor. Just nullifies the pointer.

Function/Subroutine Documentation

tensor4_allocate()

subroutine tensor4::tensor4_allocate ( class(tensor4_t), intent(inout)  t, integer, intent(in)  n1, integer, intent(in)  n2, integer, intent(in)  n3, integer, intent(in)  n4  )

private

Parameters

t	Tensor to allocate.
n1	Size of the first dimension.
n2	Size of the second dimension.
n3	Size of the third dimension.
n4	Size of the fourth dimension.

Definition at line 134 of file tensor4.f90.

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tensor4_assign_scalar()

subroutine tensor4::tensor4_assign_scalar ( class(tensor4_t), intent(inout)  t, real(kind=rp), intent(in)  s  )

private

Parameters

t	Tensor to assign to.
s	Scalar to fill the tensor with.

Definition at line 274 of file tensor4.f90.

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tensor4_assign_tensor4()

subroutine tensor4::tensor4_assign_tensor4 ( class(tensor4_t), intent(inout)  t, type(tensor4_t), intent(in)  w  )

private

Parameters

t	Tensor to assign to.
w	Tensor to assign from.

Definition at line 238 of file tensor4.f90.

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tensor4_copy_from()

subroutine tensor4::tensor4_copy_from ( class(tensor4_t), intent(inout)  t, integer, intent(in)  memdir, logical, intent(in)  sync  )

private

Parameters

t	Tensor to copy to/from device/host.
memdir	Direction to copy (HOST_TO_DEVICE or DEVICE_TO_HOST).
sync	Whether the memcopy is to be blocking or not.

Definition at line 192 of file tensor4.f90.

tensor4_free()

subroutine tensor4::tensor4_free ( class(tensor4_t), intent(inout)  t )

private

Parameters

t	Tensor to deallocate.

Definition at line 161 of file tensor4.f90.

tensor4_init()

subroutine tensor4::tensor4_init	(	class(tensor4_t), intent(inout)	t,
		integer, intent(in)	n1,
		integer, intent(in)	n2,
		integer, intent(in)	n3,
		integer, intent(in)	n4,
		character(len=*), intent(in), optional	name
	)

Parameters

t	Tensor to initialise.
n1	Size of the first dimension.
n2	Size of the second dimension.
n3	Size of the third dimension.
n4	Size of the fourth dimension.
name	Optional name of the tensor.

Definition at line 107 of file tensor4.f90.

tensor4_n1()

pure integer function tensor4::tensor4_n1 ( class(tensor4_t), intent(in)  t )

private

Parameters

t	Tensor to query.

Definition at line 205 of file tensor4.f90.

tensor4_n2()

pure integer function tensor4::tensor4_n2 ( class(tensor4_t), intent(in)  t )

private

Parameters

t	Tensor to query.

Definition at line 213 of file tensor4.f90.

tensor4_n3()

pure integer function tensor4::tensor4_n3 ( class(tensor4_t), intent(in)  t )

private

Parameters

t	Tensor to query.

Definition at line 221 of file tensor4.f90.

tensor4_n4()

pure integer function tensor4::tensor4_n4 ( class(tensor4_t), intent(in)  t )

private

Parameters

t	Tensor to query.

Definition at line 229 of file tensor4.f90.

tensor4_ptr_free()

subroutine tensor4::tensor4_ptr_free ( class(tensor4_ptr_t), intent(inout)  this )

private

Parameters

this	Pointer wrapper to destroy.

Definition at line 306 of file tensor4.f90.

tensor4_ptr_init()

subroutine tensor4::tensor4_ptr_init ( class(tensor4_ptr_t), intent(inout)  this, type(tensor4_t), intent(in), target  ptr  )

private

Parameters

this	Pointer wrapper to initialise.
ptr	Tensor to point to.

Definition at line 296 of file tensor4.f90.

tensor4_size()

pure integer function tensor4::tensor4_size ( class(tensor4_t), intent(in)  t )

private

Parameters

t	Tensor to query.

Definition at line 182 of file tensor4.f90.