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R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library( fields)
Loading required package: spam
Loading required package: grid
Spam version 1.4-0 (2016-08-29) 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 objects are masked from 'package:base':

    backsolve, forwardsolve

Loading required package: maps
> options(echo=FALSE)
Testing:  eigenvalues of both versions
PASSED test at tolerance  1e-08
Testing:  inverse A+lambda*B
PASSED test at tolerance  1e-08
Testing:  inverse A+lambda*B
PASSED test at tolerance  1e-08
Testing:  inverse A+lambda*B
PASSED test at tolerance  1e-08
> cat("all done testing both versions of simultaneous diagonalization ", fill=TRUE)
all done testing both versions of simultaneous diagonalization 
> 
> 
> proc.time()
   user  system elapsed 
  0.557   0.042   0.589