Rheolef  7.2
an efficient C++ finite element environment
 
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sinusprod_grad.h
Go to the documentation of this file.
1
25struct grad_u {
26 point operator() (const point& x) const {
27 switch (d) {
28 case 0: return point();
29 case 1: return pi*point(cos(pi*x[0]));
30 case 2: return pi*point(cos(pi*x[0])*sin(pi*x[1]),
31 sin(pi*x[0])*cos(pi*x[1]));
32 default: return pi*point(cos(pi*x[0])*sin(pi*x[1])*sin(pi*x[2]),
33 sin(pi*x[0])*cos(pi*x[1])*sin(pi*x[2]),
34 sin(pi*x[0])*sin(pi*x[1])*cos(pi*x[2]));
35 }
36 }
37 grad_u (size_t d1) : d(d1), pi(acos(Float(-1.0))) {}
38 size_t d; Float pi;
39};
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)