kahan_sum::accurate_dot_product Interface Reference

Public Member Functions
pure real(kind=dp) function	kahan_dot_product_d1 (array1, array2)
	computes the accurate sum of an array that is the element wise product of two input arrays.
pure real(kind=dp) function	kahan_dot_product_s2 (array1, array2)
	computes the accurate sum of an array that is the element wise product of two input arrays.
pure real(kind=dp) function	kahan_dot_product_d2 (array1, array2)
	computes the accurate sum of an array that is the element wise product of two input arrays.
pure complex(kind=dp) function	kahan_dot_product_z2 (array1, array2)
	computes the accurate sum of an array that is the element wise product of two input arrays.
pure real(kind=dp) function	kahan_dot_product_d3 (array1, array2)
	computes the accurate sum of an array that is the element wise product of two input arrays.
pure real(kind=dp) function	kahan_dot_product_masked_d3 (array1, array2, mask, th)
	computes the accurate sum of an array that is the element wise product of two input arrays. a mask array determines which product array points to include in the sum

Detailed Description

Definition at line 52 of file kahan_sum.F.

Member Function/Subroutine Documentation

kahan_dot_product_d1()

pure real(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_d1	(	real(kind=dp), dimension(:), intent(in)	array1,
		real(kind=dp), dimension(:), intent(in)	array2
	)

computes the accurate sum of an array that is the element wise product of two input arrays.

Parameters

array1	array of real numbers
array2	another array of real numbers

Returns

dot product

Definition at line 140 of file kahan_sum.F.

kahan_dot_product_s2()

pure real(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_s2	(	real(kind=sp), dimension(:, :), intent(in)	array1,
		real(kind=sp), dimension(:, :), intent(in)	array2
	)

computes the accurate sum of an array that is the element wise product of two input arrays.

Parameters

array1	2-D array of real numbers
array2	another 2-D array of real numbers

Returns

dot product

Definition at line 286 of file kahan_sum.F.

kahan_dot_product_d2()

pure real(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_d2	(	real(kind=dp), dimension(:, :), intent(in)	array1,
		real(kind=dp), dimension(:, :), intent(in)	array2
	)

computes the accurate sum of an array that is the element wise product of two input arrays.

Parameters

array1	2-D array of real numbers
array2	another 2-D array of real numbers

Returns

dot product

Definition at line 352 of file kahan_sum.F.

kahan_dot_product_z2()

pure complex(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_z2	(	complex(kind=dp), dimension(:, :), intent(in)	array1,
		complex(kind=dp), dimension(:, :), intent(in)	array2
	)

computes the accurate sum of an array that is the element wise product of two input arrays.

Parameters

array1	2-D array of complex numbers
array2	another 2-D array of complex numbers

Returns

dot product

Definition at line 457 of file kahan_sum.F.

kahan_dot_product_d3()

pure real(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_d3	(	real(kind=dp), dimension(:, :, :), intent(in)	array1,
		real(kind=dp), dimension(:, :, :), intent(in)	array2
	)

computes the accurate sum of an array that is the element wise product of two input arrays.

Parameters

array1	3-D array of real numbers
array2	another 3-D array of real numbers

Returns

dot product

Definition at line 570 of file kahan_sum.F.

kahan_dot_product_masked_d3()

pure real(kind=dp) function kahan_sum::accurate_dot_product::kahan_dot_product_masked_d3	(	real(kind=dp), dimension(:, :, :), intent(in), pointer	array1,
		real(kind=dp), dimension(:, :, :), intent(in), pointer	array2,
		real(kind=dp), dimension(:, :, :), intent(in), pointer	mask,
		real(kind=dp), intent(in)	th
	)

computes the accurate sum of an array that is the element wise product of two input arrays. a mask array determines which product array points to include in the sum

Parameters

array1	the first input array to compute the product array
array2	the second input array to compute the product array
mask	the mask array
th	screening threshold: only array points where the value of mask is greater than th are included in the sum

Returns

the result of summation

Definition at line 604 of file kahan_sum.F.

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The documentation for this interface was generated from the following file:

• common/kahan_sum.F