psym2::expsym2 Interface Reference

Public Member Functions
subroutine	expsym2 (em, expem)
	Get the exp of a symmetric 2*2 matrix.
subroutine	expsym2d (x, z, zd)
	Get the exp of a symmetric 2*2 matrix, and its symmetric derivative.

Detailed Description

Definition at line 26 of file psym2.f90.

Constructor & Destructor Documentation

expsym2()

subroutine psym2::expsym2::expsym2	(	real(dp), dimension(2,2), intent(in)	em,
		real(dp), dimension(2,2), intent(out)	expem )

Get the exp of a symmetric 2*2 matrix.

Parameters

[in]	em	symmetric 2*2 matrix
[out]	expem	exp of a symmetric 2*2 matrix

Author

R. J. Purser

Definition at line 276 of file psym2.f90.

Member Function/Subroutine Documentation

expsym2d()

subroutine psym2::expsym2::expsym2d	(	real(dp), dimension(2,2), intent(in)	x,
		real(dp), dimension(2,2), intent(out)	z,
		real(dp), dimension(2,2,2,2), intent(out)	zd )

Get the exp of a symmetric 2*2 matrix, and its symmetric derivative.

Parameters

[in]	x	symmetric 2*2 positive-definite matrix
[out]	z	exp of symmetric 2*2 matrix x
[out]	zd	symmetric derivative wrt x of exp of x

Author

R. J. Purser

Definition at line 293 of file psym2.f90.

References pietc::o2.

---

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

• /scratch4/NCEPDEV/nems/Brian.Curtis/git/BrianCurtis-NOAA/UFS_UTILS/v1_14_0/sorc/grid_tools.fd/regional_esg_grid.fd/psym2.f90