Merge branch 'gz-math7' into mjcarroll/examples_from_cmake

Author: mjcarroll

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
 #============================================================================
 # Initialize the project
 #============================================================================
-project(gz-math7 VERSION 7.1.0)
+project(gz-math7 VERSION 7.2.0)
 
 #============================================================================
 # Find gz-cmake

Changelog.md

@@ -1,21 +1,53 @@
 ## Gazebo Math 7.x
 
-### Gazebo Math 7.1.0
+### Gazebo Math 7.2.0 (2023-06-14)
+
+1. Add tests to increase test coverage
+    * [Pull request #533](https://github.com/gazebosim/gz-math/pull/533)
+
+1. Forward ports
+    * [Pull request #530](https://github.com/gazebosim/gz-math/pull/530)
+    * [Pull request #526](https://github.com/gazebosim/gz-math/pull/526)
+    * [Pull request #522](https://github.com/gazebosim/gz-math/pull/522)
+    * [Pull request #520](https://github.com/gazebosim/gz-math/pull/520)
+
+1. Disable pybind11 on windows by default
+    * [Pull request #529](https://github.com/gazebosim/gz-math/pull/529)
+
+1. Add option to skip pybind11 and SWIG
+    * [Pull request #480](https://github.com/gazebosim/gz-math/pull/480)
+
+1. Custom PID error rate
+    * [Pull request #525](https://github.com/gazebosim/gz-math/pull/525)
+
+1. Garden bazel support
+    * [Pull request #523](https://github.com/gazebosim/gz-math/pull/523)
+
+1. Rename COPYING to LICENSE
+    * [Pull request #521](https://github.com/gazebosim/gz-math/pull/521)
+
+1. Infrastructure
+    * [Pull request #519](https://github.com/gazebosim/gz-math/pull/519)
+
+1. Fix link of installation tutorial to point to 7.1 version
+    * [Pull request #518](https://github.com/gazebosim/gz-math/pull/518)
+
+### Gazebo Math 7.1.0 (2022-11-15)
 
 1. Adds bounds retrieval for TimeVarying grid class.
     * [Pull request #508](https://github.com/gazebosim/gz-math/pull/508)
 
-### Gazebo Math 7.0.2
+### Gazebo Math 7.0.2 (2022-09-26)
 
 1. Update to disable tests failing on arm64
     * [Pull request #512](https://github.com/gazebosim/gz-math/pull/512)
 
-### Gazebo Math 7.0.1
+### Gazebo Math 7.0.1 (2022-09-23)
 
 1. Disable tests failing on arm64
     * [Pull request #510](https://github.com/gazebosim/gz-math/pull/510)
 
-### Gazebo Math 7.0.0
+### Gazebo Math 7.0.0 (2022-09-22)
 
 1. Deprecated `Angle::Degree(double)` and `Angle::Radian(double)`. Use `Angle::SetDegree(double)` and `Angle::SetRadian(double)` instead.
     * [BitBucket pull request 326](https://osrf-migration.github.io/ignition-gh-pages/#!/ignitionrobotics/ign-math/pull-requests/326)

include/gz/math/Box.hh

@@ -17,6 +17,7 @@
 #ifndef GZ_MATH_BOX_HH_
 #define GZ_MATH_BOX_HH_
 
+#include <optional>
 #include <gz/math/config.hh>
 #include <gz/math/MassMatrix3.hh>
 #include <gz/math/Material.hh>
@@ -189,6 +190,14 @@ namespace gz
       /// could be due to an invalid size (<=0) or density (<=0).
       public: bool MassMatrix(MassMatrix3<Precision> &_massMat) const;
 
+      /// \brief Get the mass matrix for this box. This function
+      /// is only meaningful if the box's size and material
+      /// have been set.
+      /// \return The computed mass matrix if parameters are valid
+      /// (radius > 0), (length > 0), and (density > 0). Otherwise
+      /// std::nullopt is returned.
+      public: std::optional< MassMatrix3<Precision> > MassMatrix() const;
+
       /// \brief Get intersection between a plane and the box's edges.
       /// Edges contained on the plane are ignored.
       /// \param[in] _plane The plane against which we are testing intersection.

include/gz/math/Cylinder.hh

@@ -17,6 +17,7 @@
 #ifndef GZ_MATH_CYLINDER_HH_
 #define GZ_MATH_CYLINDER_HH_
 
+#include <optional>
 #include "gz/math/MassMatrix3.hh"
 #include "gz/math/Material.hh"
 #include "gz/math/Quaternion.hh"
@@ -115,6 +116,14 @@ namespace gz
       /// (<=0).
       public: bool MassMatrix(MassMatrix3d &_massMat) const;
 
+      /// \brief Get the mass matrix for this cylinder. This function
+      /// is only meaningful if the cylinder's radius, length, and material
+      /// have been set. Optionally, set the rotational offset.
+      /// \return The computed mass matrix if parameters are valid
+      /// (radius > 0), (length > 0) and (density > 0). Otherwise
+      /// std::nullopt is returned.
+      public: std::optional< MassMatrix3<Precision> > MassMatrix() const;
+
       /// \brief Check if this cylinder is equal to the provided cylinder.
       /// Radius, length, and material properties will be checked.
       public: bool operator==(const Cylinder &_cylinder) const;

include/gz/math/Sphere.hh

@@ -17,6 +17,7 @@
 #ifndef GZ_MATH_SPHERE_HH_
 #define GZ_MATH_SPHERE_HH_
 
+#include <optional>
 #include "gz/math/MassMatrix3.hh"
 #include "gz/math/Material.hh"
 #include "gz/math/Quaternion.hh"
@@ -77,6 +78,13 @@ namespace gz
       /// could be due to an invalid radius (<=0) or density (<=0).
       public: bool MassMatrix(MassMatrix3d &_massMat) const;
 
+      /// \brief Get the mass matrix for this sphere. This function
+      /// is only meaningful if the sphere's radius and material have been set.
+      /// \return The computed mass matrix if parameters are valid
+      /// (radius > 0) and (density > 0). Otherwise
+      /// std::nullopt is returned.
+      public: std::optional< MassMatrix3<Precision> > MassMatrix() const;
+
       /// \brief Check if this sphere is equal to the provided sphere.
       /// Radius and material properties will be checked.
       public: bool operator==(const Sphere &_sphere) const;

include/gz/math/detail/Box.hh

@@ -19,6 +19,7 @@
 
 #include "gz/math/Triangle3.hh"
 
+#include <optional>
 #include <algorithm>
 #include <set>
 #include <utility>
@@ -310,6 +311,21 @@ bool Box<T>::MassMatrix(MassMatrix3<T> &_massMat) const
   return _massMat.SetFromBox(this->material, this->size);
 }
 
+/////////////////////////////////////////////////
+template<typename T>
+std::optional< MassMatrix3<T> > Box<T>::MassMatrix() const
+{
+  gz::math::MassMatrix3<T> _massMat;
+
+  if(!_massMat.SetFromBox(this->material, this->size))
+  {
+    return std::nullopt;
+  }
+  else
+  {
+    return std::make_optional(_massMat);
+  }
+}
 
 //////////////////////////////////////////////////
 template<typename T>

include/gz/math/detail/Cylinder.hh

@@ -16,6 +16,9 @@
 */
 #ifndef GZ_MATH_DETAIL_CYLINDER_HH_
 #define GZ_MATH_DETAIL_CYLINDER_HH_
+
+#include <optional>
+
 namespace gz
 {
 namespace math
@@ -116,6 +119,24 @@ bool Cylinder<T>::MassMatrix(MassMatrix3d &_massMat) const
       this->radius, this->rotOffset);
 }
 
+//////////////////////////////////////////////////
+template<typename T>
+std::optional < MassMatrix3<T> > Cylinder<T>::MassMatrix() const
+{
+  gz::math::MassMatrix3<T> _massMat;
+
+  if(!_massMat.SetFromCylinderZ(
+      this->material, this->length,
+      this->radius, this->rotOffset))
+  {
+    return std::nullopt;
+  }
+  else
+  {
+    return std::make_optional(_massMat);
+  }
+}
+
 //////////////////////////////////////////////////
 template<typename T>
 T Cylinder<T>::Volume() const

include/gz/math/detail/Sphere.hh

@@ -17,6 +17,7 @@
 #ifndef GZ_MATH_DETAIL_SPHERE_HH_
 #define GZ_MATH_DETAIL_SPHERE_HH_
 
+#include <optional>
 #include "gz/math/Sphere.hh"
 
 namespace gz
@@ -88,6 +89,23 @@ bool Sphere<T>::MassMatrix(MassMatrix3d &_massMat) const
   return _massMat.SetFromSphere(this->material, this->radius);
 }
 
+//////////////////////////////////////////////////
+template<typename T>
+std::optional < MassMatrix3<T> > Sphere<T>::MassMatrix() const
+{
+  gz::math::MassMatrix3<T> _massMat;
+
+  if(!_massMat.SetFromSphere(this->material, this->radius))
+  {
+    return std::nullopt;
+  }
+  else
+  {
+    return std::make_optional(_massMat);
+  }
+}
+
+
 //////////////////////////////////////////////////
 template<typename T>
 T Sphere<T>::Volume() const

src/Box_TEST.cc

@@ -498,4 +498,10 @@ TEST(BoxTest, Mass)
   box.MassMatrix(massMat);
   EXPECT_EQ(expectedMassMat, massMat);
   EXPECT_DOUBLE_EQ(expectedMassMat.Mass(), massMat.Mass());
+
+  auto massMatOpt = box.MassMatrix();
+  ASSERT_NE(std::nullopt, massMatOpt);
+  EXPECT_EQ(expectedMassMat, *massMatOpt);
+  EXPECT_EQ(expectedMassMat.DiagonalMoments(), massMatOpt->DiagonalMoments());
+  EXPECT_DOUBLE_EQ(expectedMassMat.Mass(), massMatOpt->Mass());
 }

src/Cylinder_TEST.cc

@@ -136,4 +136,10 @@ TEST(CylinderTest, Mass)
   cylinder.MassMatrix(massMat);
   EXPECT_EQ(expectedMassMat, massMat);
   EXPECT_DOUBLE_EQ(expectedMassMat.Mass(), massMat.Mass());
+
+  auto massMatOpt = cylinder.MassMatrix();
+  ASSERT_NE(std::nullopt, massMatOpt);
+  EXPECT_EQ(expectedMassMat, *massMatOpt);
+  EXPECT_EQ(expectedMassMat.DiagonalMoments(), massMatOpt->DiagonalMoments());
+  EXPECT_DOUBLE_EQ(expectedMassMat.Mass(), massMatOpt->Mass());
 }