Aakash-kaushik/mlpack/datatype_8hpp_source.html

 #ifndef MLPACK_CORE_DATA_MAP_POLICIES_DATATYPE_HPP
 #define MLPACK_CORE_DATA_MAP_POLICIES_DATATYPE_HPP

 #include <mlpack/prereqs.hpp>

 namespace mlpack {
 namespace data {
 enum Datatype : bool /* [> bool is all the precision we need for two types <] */
 {
   numeric = 0,
   categorical = 1
 };

 } // namespace data
 } // namespace mlpack

 #endif
data

mlpack
Linear algebra utility functions, generally performed on matrices or vectors.
Definition: cv.hpp:1

mlpack::data::Datatype
Datatype
The Datatype enum specifies the types of data mlpack algorithms can use.
Definition: datatype.hpp:24

prereqs.hpp
The core includes that mlpack expects; standard C++ includes and Armadillo.