Upgrade ensmallen to 2.16.0 (#41)

* Upgrade ensmallen to 2.16.0

* Apply suggestions from code review

Co-authored-by: coatless <[email protected]>

Author: github-actions[bot]

ChangeLog

@@ -1,3 +1,10 @@
+2021-02-19  James Balamuta  <[email protected]>
+
+	* DESCRIPTION (Version): Release 2.16.0
+	* NEWS.md: Update for Ensmallen release 2.16.0
+	* inst/include/ensmallen_bits: Upgraded to Ensmallen 2.16.0
+	* inst/include/ensmallen.hpp: ditto
+
 2020-11-06  James Balamuta  <[email protected]>
 
 	* DESCRIPTION (Version): Release 2.15.1

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: RcppEnsmallen
 Title: Header-Only C++ Mathematical Optimization Library for 'Armadillo'
-Version: 0.2.15.1.1
+Version: 0.2.16.0.1
 Authors@R: c(
     person("James Joseph", "Balamuta", email = "[email protected]", 
            role = c("aut", "cre", "cph"), 

NEWS.md

@@ -1,3 +1,13 @@
+# RcppEnsmallen 0.2.16.0.1 (GitHub-Only Release)
+
+- Upgraded to ensmallen 2.16.0: "Severely Dented Can Of Polyurethane" (2021-02-19)
+  - Expand README with example installation and add simple example program
+    showing usage of the L-BFGS optimizer
+    ([#248](https://github.com/mlpack/ensmallen/pull/248)).
+  - Refactor tests to increase stability and reduce random errors
+    ([#249](https://github.com/mlpack/ensmallen/pull/249)).
+  
+
 # RcppEnsmallen 0.2.15.1.1
 
 - Upgraded to ensmallen 2.15.1: "Why Can't I Manage To Grow Any Plants?" (2020-11-05)

inst/include/ensmallen_bits/ens_version.hpp

@@ -15,17 +15,17 @@
 #define ENS_VERSION_MAJOR 2
 // The minor version is two digits so regular numerical comparisons of versions
 // work right.  The first minor version of a release is always 10.
-#define ENS_VERSION_MINOR 15
-#define ENS_VERSION_PATCH 1
+#define ENS_VERSION_MINOR 16
+#define ENS_VERSION_PATCH 0
 // If this is a release candidate, it will be reflected in the version name
 // (i.e. the version name will be "RC1", "RC2", etc.).  Otherwise the version
 // name will typically be a seemingly arbitrary set of words that does not
 // contain the capitalized string "RC".
-#define ENS_VERSION_NAME "Why Can't I Manage To Grow Any Plants?"
+#define ENS_VERSION_NAME "Severely Dented Can Of Polyurethane"
 // Incorporate the date the version was released.
-#define ENS_VERSION_YEAR "2020"
-#define ENS_VERSION_MONTH "11"
-#define ENS_VERSION_DAY "05"
+#define ENS_VERSION_YEAR "2021"
+#define ENS_VERSION_MONTH "02"
+#define ENS_VERSION_DAY "11"
 
 namespace ens {
 

inst/include/ensmallen_bits/problems/ackley_function.hpp

@@ -61,7 +61,14 @@ class AckleyFunction
 
   //! Get the starting point.
   template<typename MatType = arma::mat>
-  MatType GetInitialPoint() const { return MatType("-5.0; 5.0"); }
+  MatType GetInitialPoint() const { return MatType("0.02; 0.02"); }
+
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("0.0; 0.0"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
 
   /**
    * Evaluate a function for a particular batch-size.

inst/include/ensmallen_bits/problems/beale_function.hpp

@@ -54,7 +54,14 @@ class BealeFunction
 
   //! Get the starting point.
   template<typename MatType = arma::mat>
-  MatType GetInitialPoint() const { return MatType("-4.5; 4.5"); }
+  MatType GetInitialPoint() const { return MatType("2.8; 0.35"); }
+
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("3.0; 0.5"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
 
   /**
    * Evaluate a function for a particular batch-size.

inst/include/ensmallen_bits/problems/booth_function.hpp

@@ -56,6 +56,13 @@ class BoothFunction
   template<typename MatType = arma::mat>
   MatType GetInitialPoint() const { return MatType("-9; -9"); }
 
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("1.0; 3.0"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
+
   /**
    * Evaluate a function for a particular batch-size.
    *

inst/include/ensmallen_bits/problems/bukin_function.hpp

@@ -61,6 +61,13 @@ class BukinFunction
   template<typename MatType = arma::mat>
   MatType GetInitialPoint() const { return MatType("-10; -2.0"); }
 
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("-10.0; 1.0"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
+
   /**
    * Evaluate a function for a particular batch-size.
    *

inst/include/ensmallen_bits/problems/colville_function.hpp

@@ -57,6 +57,13 @@ class ColvilleFunction
   template<typename MatType = arma::mat>
   MatType GetInitialPoint() const { return MatType("-5; 3; 1; -9"); }
 
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("1; 1; 1; 1"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
+
   /**
    * Evaluate a function for a particular batch-size.
    *

inst/include/ensmallen_bits/problems/drop_wave_function.hpp

@@ -56,6 +56,13 @@ class DropWaveFunction
   template<typename MatType = arma::mat>
   MatType GetInitialPoint() const { return MatType("0.5; 0.5"); }
 
+  //! Get the final point.
+  template<typename MatType = arma::mat>
+  MatType GetFinalPoint() const { return MatType("0.0; 0.0"); }
+
+  //! Get the final objective.
+  const double GetFinalObjective() const { return 0.0; }
+
   /**
    * Evaluate a function for a particular batch-size.
    *