Updated header for info_theory.hpp

include/emp/math/info_theory.hpp

@@ -1,23 +1,25 @@
-//  This file is part of Empirical, https://github.com/devosoft/Empirical
-//  Copyright (C) Michigan State University, 2016-2017.
-//  Released under the MIT Software license; see doc/LICENSE
-//
-//
-//  Tools to calculate Information Theory metrics.
-//  Status: ALPHA
-//
-//
-//  Info-theory formulas:
-//    H(X)   = -SUM(X: p[x] log2 p[x])
-//    H(X|Y) = H(XY) - H(Y)
-//    I(X:Y) = H(X) - H(X|Y)
-//    H2(p)  = -p log2(p) - (1-p)log2(1-p)  = H({p, 1-p})
-//
-//  Developer notes:
-//  * Input may come as WEIGHTS or as ELEMENTS (or both!).
-//    ELEMENTS need to be converted to WEIGHTS for calculations.
-//  * Want basic info theory functions, as well as tools (for channels, error-correction,
-//    compression, etc.)
+/**
+ *  @note This file is part of Empirical, https://github.com/devosoft/Empirical
+ *  @copyright Copyright (C) Michigan State University, MIT Software license; see doc/LICENSE.md
+ *  @date 2021.
+ *
+ *  @file  info_theory.hpp
+ *  @brief Tools to calculate Information Theory metrics.
+ *  @note Status: ALPHA
+ *
+ *  Info-theory formulas:
+ *    H(X)   = -SUM(X: p[x] log2 p[x])
+ *    H(X|Y) = H(XY) - H(Y)
+ *    I(X:Y) = H(X) - H(X|Y)
+ *    H2(p)  = -p log2(p) - (1-p)log2(1-p)  = H({p, 1-p})
+ *
+ *  Developer notes:
+ *  - Input may come as WEIGHTS or as ELEMENTS (or both!).
+ *    ELEMENTS need to be converted to WEIGHTS for calculations.
+ *  - Want basic info theory functions, as well as tools (for channels, error-correction,
+ *    compression, etc.)
+ */
+
 
 #ifndef EMP_INFO_THEORY_H
 #define EMP_INFO_THEORY_H