grid_tools  1.5.0
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psym2::expsym2 Interface Reference

Private Member Functions

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

Detailed Description

Definition at line 26 of file psym2.f90.

Constructor & Destructor Documentation

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

Get the exp of a symmetric 2*2 matrix.

Parameters
[in]emsymmetric 2*2 matrix
[out]expemexp of a symmetric 2*2 matrix
Author
R. J. Purser

Definition at line 276 of file psym2.f90.

Member Function/Subroutine Documentation

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 
)
private

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

Parameters
[in]xsymmetric 2*2 positive-definite matrix
[out]zexp of symmetric 2*2 matrix x
[out]zdsymmetric derivative wrt x of exp of x
Author
R. J. Purser

Definition at line 293 of file psym2.f90.


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