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#! /bin/bash -e
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
# SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
# SPDX-FileContributor: 2003-22 Bradley M. Bell
# ----------------------------------------------------------------------------
name=`echo $0 | sed -e 's|^bug/||' -e 's|\.sh$||'`
if [ "$0" != "bug/$name.sh" ]
then
echo 'usage: bug/alloc_global.sh'
exit 1
fi
# -----------------------------------------------------------------------------
if [ -e build/bug ]
then
rm -r build/bug
fi
mkdir -p build/bug
cd build/bug
cmake ../..
# -----------------------------------------------------------------------------
cat << EOF
Description: Test for bug in subgraph_jac_rev(x, subset).
EOF
cat << EOF > $name.cpp
# include <cppad/cppad.hpp>
int main(void)
{ bool ok = true;
using std::cout;
using CppAD::AD;
using CppAD::vector;
typedef vector<double> d_vector;
typedef vector<size_t> s_vector;
//
size_t n = 4;
d_vector x(n);
vector< AD<double> > ax(n), ay(n);
for(size_t j = 0; j < n; ++j)
ax[j] = x[j] = double(j);
CppAD::Independent(ax);
for(size_t i = 0; i < n; ++i)
{ ay[i] = 0.0;
for(size_t j = 0; j < n; ++j)
ay[i] += double(i + j + 1) * ax[j];
}
CppAD::ADFun<double> f(ax, ay);
//
size_t nnz = (n * (n + 1)) / 2;
CppAD::sparse_rc<s_vector> upper_triangle(n, n, nnz);
size_t k = 0;
for(size_t i = 0; i < n; ++i)
{ for(size_t j = i; j < n; ++j)
upper_triangle.set(k++, i, j);
}
ok &= k == nnz;
CppAD::sparse_rcv<s_vector, d_vector> subset( upper_triangle );
//
f.subgraph_jac_rev(x, subset);
const d_vector& val = subset.val();
k = 0;
for(size_t i = 0; i < n; ++i)
{ for(size_t j = i; j < n; ++j)
ok &= val[k++] == double(i + j + 1);
}
ok &= k == nnz;
//
if( ok )
return 0;
return 1;
}
EOF
cxx_flags='-Wall -pedantic-errors -std=c++11 -Wshadow -Wconversion -g -O0'
echo "g++ -I../../include $cxx_flags $name.cpp -o $name"
g++ -I../../include $cxx_flags $name.cpp -o $name
#
echo "build/bug/$name"
if ! ./$name
then
echo
echo "build/bug/$name: Error"
exit 1
fi
echo
# -----------------------------------------------------------------------------
echo "bug/$name.sh: OK"
exit 0
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