1.3-1 (28 Dec 2016)
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Added IECI capability (alpha functionality)

Fixed R_C_BOUNDS_CHECK=yes problem pointed out by Kurt


1.3 (05 Aug 2016)
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updates for JSS article

changed to VT contact information

added mixed constraints demos from Picheny et al. paper
and changed some optim.auglag defaults to match those
used for the figures in the paper

Fixed checking of end versus nrow(X) which was leading
to a segfault in low nrow(X) examples; thanks to Jakob 
Richter for the bug report

updates to optim.auglag for slack variables implementation
and mixed equality and inequality constraints


1.2-1 (18 Sept 2015)
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Fixed assert errors in gp_sep.cc for Windows build


1.2 (10 Sept 2015)
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vignette accepted at JSS -- includes latest modifications

changed my to MY for myprintf, etc., for Brian

initial C-version of optim via lbfgsb with OpenMP critical
pragmas, accompanying laGPsep and aGPsep functions for
local modeling with a separable correlation (beta)

implementation of EIC for optimization (Schonlau, etal, 1998)

alpha implementation of AL optimization by slack variables


1.1-5 (22 May 2015)
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New vignette from JSS revisions

swapped sum_of_columns for min_of_columns in multi-row
Xref case for laGP

Documentation enhancements and update for JSS/vignette
resubmission

Option to use separable GP model in optim.auglag.

Option to model objective in optim.auglag rather than 
assuming a known scaled linear objective 


1.1-4 (02 Dec 2014)
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added predGPsep to predict with separable GPs

corrected three abs to fabs in matrix.c

corrected one more hard-code of 8 threads in vignette

added vignette("laGP") to most seealso sections in Rd

fixes to vignette for JSS pre-screening

removed calc.eis because C-implementation was not in src; 
can use version from plgp package instead


1.1-3 (30 Oct 2014)
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fixed assert(gp) in gp_sep.c

added code to max-out omp.threads and gpu.threads at the
OpenMP max in the system configuration

changed vignette to default to two threads unless env
specifies a different OMP_NUM_THREADS


1.1-2 (16 Oct 2014)
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added separable GP (GPsep) for finding MLE separable
lengthscale parameters for scaling isotropic versions

ported calib functions over to package with documentation
and examples

added first pass at vignette


1.1-1 (02 Sept 2014)
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avoid re-calulating derivative info when optimizing over
the nugget

moved several Suggests to Depends for R CHECK

submitted rays paper and added to references

now beta ray-based search including option to control the
number of rays

now outputting close in object to inspect fidelity of
search


1.1 (20 March 2014)
---

added ray-based search for faster greedy local design
(alpha functionality)

added functions for optimization under constraints by
the augmented Lagrangian (alpha functionality)

minor bug fixes and documentation updates

removed snow; only supporting parallel now
