psym2::expsym2d_t Interface Reference

Private Member Functions
subroutine	expsym2d_t (x, z, zd)
	Use the Taylor-series method (eigenvalues both fairly close to zero). More...

Detailed Description

Definition at line 28 of file psym2.f90.

Constructor & Destructor Documentation

expsym2d_t()

subroutine psym2::expsym2d_t::expsym2d_t ( 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

Use the Taylor-series method (eigenvalues both fairly close to zero).

For a 2*2 symmetric matrix x, try to get both the z=exp(x) and dz/dx using the Taylor series expansion method.

Parameters

[in]	x	symmetric 2*2 positive-definite matrix
[out]	z	Taylor series expansion method exp(x)
[out]	zd	symmetric derivative

Author

R. J. Purser

Definition at line 347 of file psym2.f90.

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

• /lfs/h2/emc/stmp/george.gayno/UFS_UTILS.tag/sorc/grid_tools.fd/regional_esg_grid.fd/psym2.f90