R Under development (unstable) (2019-04-06 r76327) -- "Unsuffered Consequences"
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Platform: x86_64-apple-darwin17.7.0 (64-bit)

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>  # fields is a package for analysis of spatial data written for
>   # the R software environment .
>   # Copyright (C) 2018
>   # University Corporation for Atmospheric Research (UCAR)
>   # Contact: Douglas Nychka, nychka@ucar.edu,
>   # National Center for Atmospheric Research,
>   # PO Box 3000, Boulder, CO 80307-3000
>   #
>   # This program is free software; you can redistribute it and/or modify
>   # it under the terms of the GNU General Public License as published by
>   # the Free Software Foundation; either version 2 of the License, or
>   # (at your option) any later version.
>   # This program is distributed in the hope that it will be useful,
>   # but WITHOUT ANY WARRANTY; without even the implied warranty of
>   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>   # GNU General Public License for more details.
> 
> 
> suppressMessages(library(fields))
> options( echo=FALSE)
NULL
Testing:  addToDiag
PASSED test at tolerance  1e-08
Testing:  spam vs no spam
PASSED test at tolerance  1e-08
Testing:  Krig mKrig d coef
PASSED test at tolerance  1e-08
Testing:  Krig mKrig c coef
PASSED test at tolerance  1e-08
Testing:  test of predict at new locations
PASSED test at tolerance  1e-08
Testing:  test of matrix Y predicts
PASSED test at tolerance  1e-08
PASSED test at tolerance  1e-08
Testing:  predictSurface with mKrig
PASSED test at tolerance  1e-08
Testing:  Wendland/no spam
PASSED test at tolerance  1e-08
Testing:  Wendland/spam
PASSED test at tolerance  1e-08
Testing:  new coef c no spam
PASSED test at tolerance  1e-08
Testing:  new d coef no spam
PASSED test at tolerance  1e-08
Testing:  new coef c spam
PASSED test at tolerance  1e-08
Testing:  new d coef spam
PASSED test at tolerance  1e-08
Testing:  nzero in call to mKrig
PASSED test at tolerance  1e-08
Testing:  mKrig vs. Krig for ozone2
PASSED test at tolerance  1e-08
Testing:  predict Wendland  mKrig vs Krig
PASSED test at tolerance  1e-08
Warning message:
In fastTps(xdat, ydat, theta = 0.3) : fastTps will interpolate observations
Testing:  fastTps interp1
PASSED test at tolerance  1e-08
Testing:  fastTps interp2
PASSED test at tolerance  0.02
[1] "testing using distance matrix"
Testing:  predict: stationary.cov versus Exp.cov
PASSED test at tolerance  1e-08
Testing:  predict: no distance matrix versus compact distance matrix
PASSED test at tolerance  1e-08
Testing:  predict: no distance matrix versus distance matrix
PASSED test at tolerance  1e-08
[1] "testing using predictSE"
Testing:  predictSE: stationary.cov with exponential versus Exp.cov
PASSED test at tolerance  1e-08
Testing:  predictSE: no distance matrix versus compact distance matrix
PASSED test at tolerance  1e-08
Testing:  predictSE: no distance matrix versus distance matrix
PASSED test at tolerance  1e-08
all done with mKrig tests
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
  0.939   0.140   1.053