inline bool equal(const_Tensor<T1, B1> v, const_Tensor<T2, B2> w)
{
if (v.size(0) != w.size(0) || v.size(1) != w.size(1) || v.size(2) != w.size(2))
return false;
for (length_type i = 0; i != v.size(0); ++i)
for (length_type j = 0; j != v.size(1); ++j)
for (length_type k = 0; k != v.size(2); ++k)
if (!equal(v.get(i, j, k), w.get(i, j, k)))
return false;
return true;
}
