diff --git a/include/rosa/agent/FunctionAbstractions.hpp b/include/rosa/agent/FunctionAbstractions.hpp
index 9a7127a..0649825 100644
--- a/include/rosa/agent/FunctionAbstractions.hpp
+++ b/include/rosa/agent/FunctionAbstractions.hpp
@@ -1,224 +1,240 @@
 //===-- rosa/agent/FunctionAbstractions.hpp ---------------------*- C++ -*-===//
 //
 //                                 The RoSA Framework
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file rosa/agent/FunctionAbstractions.hpp
 ///
 /// \author Benedikt Tutzer (benedikt.tutzer@tuwien.ac.at)
 ///
 /// \date 2019
 ///
 /// \brief Definition of *FunctionAbstractions* *functionality*.
 ///
 //===----------------------------------------------------------------------===//
 
 #ifndef ROSA_AGENT_FUNCTIONABSTRACTIONS_HPP
 #define ROSA_AGENT_FUNCTIONABSTRACTIONS_HPP
 
-#include "rosa/agent/Functionality.h"
 #include "rosa/agent/Abstraction.hpp"
+#include "rosa/agent/Functionality.h"
 
 #include "rosa/support/debug.hpp"
 
 #include <algorithm>
-#include <vector>
 #include <cmath>
 #include <memory>
+#include <vector>
 
 namespace rosa {
 namespace agent {
 
 /// Implements \c rosa::agent::Abstraction as a linear function,
 /// y = Coefficient * X + Intercept.
 ///
 /// \note This implementation is supposed to be used to represent a linear
 /// function from an arithmetic domain to an arithmetic range. This is enforced
 /// statically.
 ///
 /// \tparam D type of the functions domain
 /// \tparam R type of the functions range
-template <typename D, typename R> class LinearFunction :
-  public Abstraction<D, R>{
+template <typename D, typename R>
+class LinearFunction : public Abstraction<D, R> {
   // Make sure the actual type arguments are matching our expectations.
   STATIC_ASSERT((std::is_arithmetic<D>::value),
-    "LinearFunction not arithmetic T");
+                "LinearFunction not arithmetic T");
   STATIC_ASSERT((std::is_arithmetic<R>::value),
-    "LinearFunction not to arithmetic");
+                "LinearFunction not to arithmetic");
+
 protected:
   /// The Intercept of the linear function
   const D Intercept;
   /// The Coefficient of the linear function
   const D Coefficient;
 
 public:
-  /// Creates an instance.
+  /// Creates an instance given the intercept and the coefficient of a linear
+  /// function.
   ///
   /// \param Intercept the intercept of the linear function
   /// \param Coefficient the coefficient of the linear function
   LinearFunction(D Intercept, D Coefficient) noexcept
-      : Abstraction<D, R>(Intercept),
-        Intercept(Intercept),
+      : Abstraction<D, R>(Intercept), Intercept(Intercept),
         Coefficient(Coefficient) {}
 
+  /// Creates an instance given the two points on a linear function.
+  ///
+  /// \param x1 The x-value of the first point
+  /// \param y1 The x-value of the first point
+  /// \param x2 The y-value of the second point
+  /// \param y2 The y-value of the second point
+  LinearFunction(D x1, R y1, D x2, R y2) noexcept
+      : Abstraction<D, R>(y1 - x1 * (y1 - y2) / (x1 - x2),
+                          (y1 - y2) / (x1 - x2)) {}
+
+  /// Creates an instance given the two points on a linear function.
+  ///
+  /// \param p1 The coordinates of the first point
+  /// \param p2 The coordinates of the second point
+  LinearFunction(std::pair<D, R> p1, std::pair<D, R> p2) noexcept
+      : LinearFunction<D, R>(p1.first, p1.second, p2.first, p2.second) {}
+
   /// Destroys \p this object.
   ~LinearFunction(void) = default;
 
   /// Checks wether the Abstraction evaluates to default at the given position
   /// As LinearFunctions can be evaluated everythwere, this is always false
   ///
   /// \param V the value at which to check if the function falls back to it's
   /// default value.
   ///
   /// \return false
   bool isDefaultAt(const D &V) const noexcept override {
     (void)V;
     return false;
   }
 
   /// Evaluates the linear function
   ///
   /// \param X the value at which to evaluate the function
   ///
   /// \return Coefficient*X + Intercept
   virtual R operator()(const D &X) const noexcept override {
-    return Intercept + X*Coefficient;
+    return Intercept + X * Coefficient;
   }
 };
 
 /// Implements \c rosa::agent::Abstraction as a sine function,
 /// y = Amplitude * sin(Frequency * X + Phase) + Average.
 ///
 /// \note This implementation is supposed to be used to represent a sine
 /// function from an arithmetic domain to an arithmetic range. This is enforced
 /// statically.
 ///
 /// \tparam D type of the functions domain
 /// \tparam R type of the functions range
-template <typename D, typename R> class SineFunction :
-  public Abstraction<D, R>{
+template <typename D, typename R>
+class SineFunction : public Abstraction<D, R> {
   // Make sure the actual type arguments are matching our expectations.
   STATIC_ASSERT((std::is_arithmetic<D>::value),
-    "SineFunction not arithmetic T");
+                "SineFunction not arithmetic T");
   STATIC_ASSERT((std::is_arithmetic<R>::value),
-    "SineFunction not to arithmetic");
+                "SineFunction not to arithmetic");
+
 protected:
   /// The frequency of the sine wave
   const D Frequency;
   /// The Ampiltude of the sine wave
   const D Amplitude;
   /// The Phase-shift of the sine wave
   const D Phase;
   /// The y-shift of the sine wave
   const D Average;
 
 public:
   /// Creates an instance.
   ///
   /// \param Frequency the frequency of the sine wave
   /// \param Amplitude the amplitude of the sine wave
   /// \param Phase the phase of the sine wave
   /// \param Average the average of the sine wave
   SineFunction(D Frequency, D Amplitude, D Phase, D Average) noexcept
-      : Abstraction<D, R>(Average),
-        Frequency(Frequency),
-        Amplitude(Amplitude),
-        Phase(Phase),
-        Average(Average) {}
+      : Abstraction<D, R>(Average), Frequency(Frequency), Amplitude(Amplitude),
+        Phase(Phase), Average(Average) {}
 
   /// Destroys \p this object.
   ~SineFunction(void) = default;
 
   /// Checks wether the Abstraction evaluates to default at the given position
   /// As SineFunctions can be evaluated everythwere, this is always false
   ///
   /// \param V the value at which to check if the function falls back to it's
   /// default value.
   ///
   /// \return false
   bool isDefaultAt(const D &V) const noexcept override {
     (void)V;
     return false;
   }
 
   /// Evaluates the sine function
   ///
   /// \param X the value at which to evaluate the function
   /// \return the value of the sine-function at X
   virtual R operator()(const D &X) const noexcept override {
-    return Amplitude*sin(Frequency * X + Phase) + Average;
+    return Amplitude * sin(Frequency * X + Phase) + Average;
   }
 };
 /// Implements \c rosa::agent::Abstraction as a partial function from a domain
 // /to a range.
 ///
 /// \note This implementation is supposed to be used to represent a partial
 /// function from an arithmetic domain to an arithmetic range. This is enforced
 /// statically.
 ///
 /// A partial function is defined as a list of abstractions, where each
 /// abstraction is associated a range in which it is defined. These ranges must
 /// be mutually exclusive.
 ///
 /// \tparam D type of the functions domain
 /// \tparam R type of the functions range
 template <typename D, typename R>
 class PartialFunction : public Abstraction<D, R> {
   // Make sure the actual type arguments are matching our expectations.
   STATIC_ASSERT((std::is_arithmetic<D>::value), "abstracting not arithmetic");
   STATIC_ASSERT((std::is_arithmetic<R>::value),
-      "abstracting not to arithmetic");
+                "abstracting not to arithmetic");
 
 private:
   /// A \c rosa::agent::RangeAbstraction RA is used to represent the association
   /// from ranges to Abstractions.
   /// This returns the Abstraction that is defined for any given value, or
   /// a default Abstraction if no Abstraction is defined for that value.
   RangeAbstraction<D, std::shared_ptr<Abstraction<D, R>>> RA;
 
 public:
   /// Creates an instance by Initializing the underlying \c Abstraction.
   ///
   /// \param Map the mapping to do abstraction according to
   /// \param Default abstraction to abstract to by default
   ///
   /// \pre Each key defines a valid range such that `first <= second` and
   /// there are no overlapping ranges defined by the keys.
-  PartialFunction(const std::map<std::pair<D, D>,
-      std::shared_ptr<Abstraction<D, R>>> &Map,
-    const R Default)
+  PartialFunction(
+      const std::map<std::pair<D, D>, std::shared_ptr<Abstraction<D, R>>> &Map,
+      const R Default)
       : Abstraction<D, R>(Default),
-        RA(Map, std::shared_ptr<Abstraction<D, R>>
-          (new Abstraction<D, R>(Default))) {
+        RA(Map,
+           std::shared_ptr<Abstraction<D, R>>(new Abstraction<D, R>(Default))) {
   }
 
   /// Destroys \p this object.
   ~PartialFunction(void) = default;
 
   /// Checks wether the Abstraction evaluates to default at the given position
   ///
   /// \param V the value at which to check if the function falls back to it's
   /// default value.
   ///
   /// \return false if the value falls into a defined range and the Abstraction
   /// defined for that range does not fall back to it's default value.
   bool isDefaultAt(const D &V) const noexcept override {
     return RA.isDefaultAt(V) ? true : RA(V)->isDefaultAt(V);
   }
 
   /// Searches for an Abstraction for the given value and executes it for that
   /// value, if such an Abstraction is found. The default Abstraction is
   /// evaluated otherwise.
   ///
   /// \param V value to abstract
   ///
   /// \return the abstracted value based on the set mapping
   R operator()(const D &V) const noexcept override {
     return RA(V)->operator()(V);
   }
 };
 } // End namespace agent
 } // End namespace rosa
 
 #endif // ROSA_AGENT_FUNCTIONABSTRACTIONS_HPP