R version 2.7.2 (2008-08-25)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> # fields, Tools for spatial data
> # Copyright 2004-2007, Institute for Mathematics Applied Geosciences
> # University Corporation for Atmospheric Research
> # Licensed under the GPL -- www.gpl.org/licenses/gpl.html
> 
> library(fields)
Loading required package: spam
Package 'spam' is loaded. Spam version 0.15-2 (2008-09-10).

Type demo( spam) for some demos, help( Spam) for an overview of this package.

 Try help(fields) for an overview of this library 
> options( echo=FALSE)
testing:   d coef diag W fixed lam
    PASSED test at tolerance  1e-08
testing:   d coef diag W
    PASSED test at tolerance  1e-08
testing:  c coef diag W fixed lam
    PASSED test at tolerance  1e-08
testing:  c coef  diag W 
    PASSED test at tolerance  1e-08
testing:   sqrt of W
    PASSED test at tolerance  1e-08
testing:   Test of passing W explicitly
    PASSED test at tolerance  1e-08
testing:   d coef full W
    PASSED test at tolerance  1e-08
testing:  c coef full W
    PASSED test at tolerance  1e-08
testing:  A matrix
    PASSED test at tolerance  1e-08
testing:   check trace of A
    PASSED test at tolerance  1e-08
testing:  GCV one
    PASSED test at tolerance  5e-08
all done  testing off diag W case
>