Rheolef  7.2
an efficient C++ finite element environment
 
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cosinusprod_grad.h
Go to the documentation of this file.
1
25struct grad_u {
26 point operator() (const point& x) const {
27 return -pi*point(
28 sin(pi*x[0])*cos(pi*x[1])*cos(pi*x[2]),
29 cos(pi*x[0])*sin(pi*x[1])*cos(pi*x[2]),
30 cos(pi*x[0])*cos(pi*x[1])*sin(pi*x[2])); }
31 grad_u(size_t d1) : d(d1), pi(acos(Float(-1.0))) {}
32 size_t d; Float pi;
33};
see the Float page for the full documentation
see the point page for the full documentation
point operator()(const point &x) const
grad_u(size_t d1)