/usr/share/doc/rheolef-doc/examples/cosinusprod.icc is in rheolef-doc 6.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | struct u_exact : field_functor<u_exact,Float> {
Float operator() (const point& x) const {
return cos(pi*x[0])*cos(pi*x[1])*cos(pi*x[2]); }
u_exact(size_t d1) : d(d1), pi(acos(Float(-1.0))) {}
size_t d; Float pi;
};
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