R version 3.0.0 (2013-04-03) -- "Masked Marvel"
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> # fields, Tools for spatial data
> # Copyright 2004-2011, 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
Spam version 0.29-2 (2012-08-17) is loaded.
Type 'help( Spam)' or 'demo( spam)' for a short introduction 
and overview of this package.
Help for individual functions is also obtained by adding the
suffix '.spam' to the function name, e.g. 'help( chol.spam)'.

Attaching package: 'spam'

The following object is masked from 'package:base':

    backsolve, forwardsolve

Loading required package: maps
> 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
> 
> proc.time()
   user  system elapsed 
  0.999   0.025   1.015