mlpack 3.4.2
log.hpp
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1
12#ifndef MLPACK_CORE_UTIL_LOG_HPP
13#define MLPACK_CORE_UTIL_LOG_HPP
14
15#include <string>
16#include <mlpack/mlpack_export.hpp>
17
18#include "prefixedoutstream.hpp"
19#include "nulloutstream.hpp"
20
21namespace mlpack {
22
56class Log
57{
58 public:
64 static void Assert(bool condition,
65 const std::string& message = "Assert Failed.");
66
72 // We only use PrefixedOutStream if the program is compiled with debug
73 // symbols.
74#ifdef DEBUG
76 static MLPACK_EXPORT util::PrefixedOutStream Debug;
77#else
79 static MLPACK_EXPORT util::NullOutStream Debug;
80#endif
81
84 static MLPACK_EXPORT util::PrefixedOutStream Info;
85
87 static MLPACK_EXPORT util::PrefixedOutStream Warn;
88
90 static MLPACK_EXPORT util::PrefixedOutStream Fatal;
91
93 static std::ostream& cout;
94};
95
96}; // namespace mlpack
97
98#endif
Provides a convenient way to give formatted output.
Definition: log.hpp:57
static MLPACK_EXPORT util::PrefixedOutStream Fatal
Prints fatal messages prefixed with [FATAL], then terminates the program.
Definition: log.hpp:90
static std::ostream & cout
Reference to cout, if necessary.
Definition: log.hpp:93
static MLPACK_EXPORT util::PrefixedOutStream Info
Prints informational messages if –verbose is specified, prefixed with [INFO ].
Definition: log.hpp:84
static void Assert(bool condition, const std::string &message="Assert Failed.")
Checks if the specified condition is true.
static MLPACK_EXPORT util::PrefixedOutStream Warn
Prints warning messages prefixed with [WARN ].
Definition: log.hpp:87
static MLPACK_EXPORT util::NullOutStream Debug
MLPACK_EXPORT is required for global variables, so that they are properly exported by the Windows com...
Definition: log.hpp:79
Used for Log::Debug when not compiled with debugging symbols.
Allows us to output to an ostream with a prefix at the beginning of each line, in the same way we wou...
Linear algebra utility functions, generally performed on matrices or vectors.
Definition: cv.hpp:1