::testing::AssertionResult assert_same(const char* exp_expr,
const char* act_expr,
const Eigen::EigenBase<DerivedExp>& exp,
const Eigen::EigenBase<DerivedAct>& act)
{
if (exp.rows() == act.rows() &&
exp.cols() == act.cols() &&
exp.derived() == act.derived())
{
return ::testing::AssertionSuccess();
}
// if eigen did not define the == operator, you could use
// exp.derived().cwiseEqual(act.derived()).all();
::testing::AssertionResult result = ::testing::AssertionFailure()
<< "Eigen objects are not the same: ("
<< exp_expr << ", " << act_expr << ")\n"
<< exp_expr << ":\n"
<< ::testing::PrintToString(exp)
<< "\n---and\n" << act_expr << ":\n"
<< ::testing::PrintToString(act)
<< "\n---are not equal!\n";
return result;
}
void PrintTo(const Eigen::EigenBase<Derived>& mat, ::std::ostream* os)
{
(*os) << mat.derived() << "\n";
}
inline int size2(const Eigen::EigenBase<Derived> &mat) {
return mat.cols();
}
T operator()(const Eigen::EigenBase<Derived>& x) const {
return T(1) / (T(1) + std::exp(- bias - x.derived().dot(weight)));
}
inline int size1(const Eigen::EigenBase<Derived> &mat) {
return mat.rows();
}