is_uninitialized()

template<typename T >

bool stan::math::var_value< T, internal::require_matrix_var_value< T > >::is_uninitialized ( )

inlinenoexcept

Return true if this variable has been declared, but not been defined.

Any attempt to use an undefined variable's value or adjoint will result in a segmentation fault.

Returns

true if this variable does not yet have a defined variable.

Definition at line 347 of file var.hpp.