eradicated last vestiges of boost/random in gtsam_unstable

gtsam_unstable/geometry/SimPolygon2D.cpp

@@ -4,10 +4,7 @@
  */
 
 #include <iostream>
-#include <boost/random/linear_congruential.hpp>
+#include <random>
-#include <boost/random/uniform_real.hpp>
-#include <boost/random/normal_distribution.hpp>
-#include <boost/random/variate_generator.hpp>
 
 #include <gtsam_unstable/geometry/SimPolygon2D.h>
 
@@ -16,11 +13,11 @@ namespace gtsam {
 using namespace std;
 
 const size_t max_it = 100000;
-boost::minstd_rand SimPolygon2D::rng(42u);
+std::minstd_rand SimPolygon2D::rng(42u);
 
 /* ************************************************************************* */
 void SimPolygon2D::seedGenerator(unsigned long seed) {
-  rng = boost::minstd_rand(seed);
+  rng = std::minstd_rand(seed);
 }
 
 /* ************************************************************************* */
@@ -225,23 +222,23 @@ SimPolygon2D SimPolygon2D::randomRectangle(
 
 /* ***************************************************************** */
 Point2 SimPolygon2D::randomPoint2(double s) {
-  boost::uniform_real<>  gen_t(-s/2.0, s/2.0);
+  std::uniform_real_distribution<> gen_t(-s/2.0, s/2.0);
   return Point2(gen_t(rng), gen_t(rng));
 }
 
 /* ***************************************************************** */
 Rot2 SimPolygon2D::randomAngle() {
-  boost::uniform_real<>  gen_r(-M_PI, M_PI); // modified range to avoid degenerate cases in triangles
+   // modified range to avoid degenerate cases in triangles:
+  std::uniform_real_distribution<> gen_r(-M_PI, M_PI);
   return Rot2::fromAngle(gen_r(rng));
 }
 
 /* ***************************************************************** */
 double SimPolygon2D::randomDistance(double mu, double sigma, double min_dist) {
-  boost::normal_distribution<double> norm_dist(mu, sigma);
+  std::normal_distribution<> norm_dist(mu, sigma);
-  boost::variate_generator<boost::minstd_rand&, boost::normal_distribution<double> > gen_d(rng, norm_dist);
   double d = -10.0;
   for (size_t i=0; i<max_it; ++i) {
-    d = std::abs(gen_d());
+    d = std::abs(norm_dist(rng));
     if (d > min_dist)
       return d;
   }
@@ -294,8 +291,8 @@ Point2 SimPolygon2D::randomBoundedPoint2(
     const Point2Vector& landmarks,
     const std::vector<SimPolygon2D>& obstacles, double min_landmark_dist) {
 
-  boost::uniform_real<>  gen_x(0.0, UR_corner.x() - LL_corner.x());
+  std::uniform_real_distribution<> gen_x(0.0, UR_corner.x() - LL_corner.x());
-  boost::uniform_real<>  gen_y(0.0, UR_corner.y() - LL_corner.y());
+  std::uniform_real_distribution<> gen_y(0.0, UR_corner.y() - LL_corner.y());
 
   for (size_t i=0; i<max_it; ++i) {
     Point2 p = Point2(gen_x(rng), gen_y(rng)) + LL_corner;

gtsam_unstable/geometry/SimPolygon2D.h

@@ -6,10 +6,11 @@
 
 #pragma once
 
-#include <map>
 #include <gtsam/geometry/Pose2.h>
 #include <gtsam_unstable/geometry/SimWall2D.h>
-#include <boost/random/linear_congruential.hpp>
+
+#include <map>
+#include <random>
 
 namespace gtsam {
 
@@ -19,7 +20,7 @@ namespace gtsam {
 class GTSAM_UNSTABLE_EXPORT SimPolygon2D {
 protected:
   Point2Vector landmarks_;
-  static boost::minstd_rand rng;
+  static std::minstd_rand rng;
 
 public:
 

gtsam_unstable/geometry/tests/testSimPolygon2D.cpp

@@ -1,12 +1,13 @@
 /**
- * @file testSimPolygon
+ * @file testSimPolygon2D.cpp
  * @author Alex Cunningham
  */
 
-#include <CppUnitLite/TestHarness.h>
 #include <gtsam/base/TestableAssertions.h>
 #include <gtsam_unstable/geometry/SimPolygon2D.h>
 
+#include <CppUnitLite/TestHarness.h>
+
 using namespace std;
 using namespace gtsam;
 

gtsam_unstable/slam/tests/testOccupancyGrid.cpp

@@ -11,13 +11,12 @@
 
 #include <gtsam/discrete/DiscreteFactorGraph.h>
 #include <gtsam/geometry/Pose2.h>
-#include <boost/random/mersenne_twister.hpp>
-//#include <boost/random/uniform_int_distribution.hpp>  // FIXME: does not exist in boost 1.46
-#include <boost/random/uniform_int.hpp> // Old header - should still exist
 
 #include <vector>
+#include <cmath.>
+#include <random>
+
 #include <stdlib.h>
-#include <math.h>
 
 using namespace std;
 using namespace gtsam;
@@ -229,8 +228,8 @@ public:
     Marginals marginals(size);
 
     // NOTE: using older interface for boost.random due to interface changes after boost 1.46
-    boost::mt19937 rng;
+    std::mt19937 rng;
-    boost::uniform_int<Index> random_cell(0,size-1);
+    std::uniform_int_distribution<> random_cell(0, size - 1);
 
     // run Metropolis for the requested number of operations
     // compute initial probability of occupancy grid, P(x_t)

gtsam_unstable/timing/timeDSFvariants.cpp

@@ -20,13 +20,13 @@
 #include <gtsam_unstable/base/DSF.h>
 #include <gtsam/base/DSFMap.h>
 
-#include <boost/random.hpp>
 #include <boost/timer.hpp>
 #include <boost/format.hpp>
 #include <boost/assign/std/vector.hpp>
 
-#include <iostream>
 #include <fstream>
+#include <iostream>
+#include <random>
 #include <vector>
 #include <utility>
 
@@ -59,13 +59,14 @@ int main(int argc, char* argv[]) {
     cout << format("\nTesting with %1% images, %2% points, %3% matches\n")
             % (int)m % (int)N % (int)nm;
     cout << "Generating " << nm << " matches" << endl;
-    boost::variate_generator<boost::mt19937, boost::uniform_int<size_t> > rn(
+    std::mt19937 rng;
-        boost::mt19937(), boost::uniform_int<size_t>(0, N - 1));
+    std::uniform_int_distribution<> rn(0, N - 1);
+ 
     typedef pair<size_t, size_t> Match;
     vector<Match> matches;
     matches.reserve(nm);
     for (size_t k = 0; k < nm; k++)
-      matches.push_back(Match(rn(), rn()));
+      matches.push_back(Match(rn(rng), rn(rng)));
 
     os << format("%1%,%2%,%3%,") % (int)m % (int)N % (int)nm;