1 files changed, 5 insertions, 7 deletions
diff --git a/src/Coxeter_triangulation/include/gudhi/Functions/Function_torus_in_R3.h b/src/Coxeter_triangulation/include/gudhi/Functions/Function_torus_in_R3.h
index 4aa50cfd..b54d3c74 100644
--- a/src/Coxeter_triangulation/include/gudhi/Functions/Function_torus_in_R3.h
+++ b/src/Coxeter_triangulation/include/gudhi/Functions/Function_torus_in_R3.h
@@ -14,8 +14,6 @@
 #include <cstdlib>  // for std::size_t
 #include <cmath>    // for std::sqrt
 
-#include <gudhi/Functions/Function.h>
-
 #include <Eigen/Dense>
 
 namespace Gudhi {
@@ -27,12 +25,12 @@ namespace coxeter_triangulation {
  * \brief A class that encodes the function, the zero-set of which is a torus
  * surface embedded in R^3.
  */
-struct Function_torus_in_R3 : public Function {
+struct Function_torus_in_R3 {
   /**
    * \brief Value of the function at a specified point.
    * @param[in] p The input point. The dimension needs to coincide with the ambient dimension.
    */
-  virtual Eigen::VectorXd operator()(const Eigen::VectorXd& p) const override {
+  Eigen::VectorXd operator()(const Eigen::VectorXd& p) const {
     double x = p(0) - off_[0], y = p(1) - off_[1], z = p(2) - off_[2];
     Eigen::VectorXd result(cod_d());
     result(0) = (z * z + (std::sqrt(x * x + y * y) - r_) * (std::sqrt(x * x + y * y) - r_) - R_ * R_);
@@ -40,13 +38,13 @@ struct Function_torus_in_R3 : public Function {
   }
 
   /** \brief Returns the domain (ambient) dimension. */
-  virtual std::size_t amb_d() const override { return 3; };
+  std::size_t amb_d() const { return 3; };
 
   /** \brief Returns the codomain dimension. */
-  virtual std::size_t cod_d() const override { return 1; };
+  std::size_t cod_d() const { return 1; };
 
   /** \brief Returns a point on the surface. */
-  virtual Eigen::VectorXd seed() const override {
+  Eigen::VectorXd seed() const {
     Eigen::Vector3d result(R_ + r_ + off_[0], off_[1], off_[2]);
     return result;
   }