%global __brp_check_rpaths %{nil}
%global __requires_exclude ^libmpi
%global packname  tensorregress
%global packver   5.1
%global rlibdir   /usr/local/lib/R/library

Name:             R-CRAN-%{packname}
Version:          5.1
Release:          1%{?dist}%{?buildtag}
Summary:          Supervised Tensor Decomposition with Side Information

License:          GPL (>= 2)
URL:              https://cran.r-project.org/package=%{packname}
Source0:          %{url}&version=%{packver}#/%{packname}_%{packver}.tar.gz


BuildRequires:    R-devel >= 2.10
Requires:         R-core >= 2.10
BuildArch:        noarch
BuildRequires:    R-CRAN-pracma 
BuildRequires:    R-CRAN-MASS 
BuildRequires:    R-methods 
Requires:         R-CRAN-pracma 
Requires:         R-CRAN-MASS 
Requires:         R-methods 

%description
Implement the alternating algorithm for supervised tensor decomposition
with interactive side information. Details can be found in the publication
Hu, Jiaxin, Chanwoo Lee, and Miaoyan Wang. "Generalized Tensor
Decomposition with features on multiple modes." Journal of Computational
and Graphical Statistics, Vol. 31, No. 1, 204-218, 2022
<doi:10.1080/10618600.2021.1978471>.

%prep
%setup -q -c -n %{packname}

# fix end of executable files
find -type f -executable -exec grep -Iq . {} \; -exec sed -i -e '$a\' {} \;
# prevent binary stripping
[ -d %{packname}/src ] && find %{packname}/src -type f -exec \
  sed -i 's@/usr/bin/strip@/usr/bin/true@g' {} \; || true
[ -d %{packname}/src ] && find %{packname}/src/Make* -type f -exec \
  sed -i 's@-g0@@g' {} \; || true
# don't allow local prefix in executable scripts
find -type f -executable -exec sed -Ei 's@#!( )*/usr/local/bin@#!/usr/bin@g' {} \;

%build

%install

mkdir -p %{buildroot}%{rlibdir}
%{_bindir}/R CMD INSTALL -l %{buildroot}%{rlibdir} %{packname}
test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
rm -f %{buildroot}%{rlibdir}/R.css
# remove buildroot from installed files
find %{buildroot}%{rlibdir} -type f -exec sed -i "s@%{buildroot}@@g" {} \;

%files
%{rlibdir}/%{packname}