GCLgrid :: GCLgrid classes

function fme_weights_

^ 
FORTRAN function that does interpolation for a distorted cube.

This is a core function for interpolation of a field using shape functions for a distorted cube element. Computes a Jacobian to map actual geometry into a standard space and computes weights using the standard 8 point (cube) serendipity shape functions.

Source:
gclgrid.h:1490
Author:
Kagan Tuncay
Version:
unknown
Params:
xx 3 vector defining point in space interpolation is requested
coord array holding actual coordinates of 8 corner points of distorted cube. xx assumed to be inside this element.
fun return vector of length 8. On return holds weights of to used in sum of values of function on 8 corners.
Code:
public extern "C" void fme_weights_ ( double * xx ,
double * coord ,
double * fun )

Created Fri Jan 21 08:54:55 2005.
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