Throw in IFormFactor::evaluatePol

Core/DecoratedFormFactor/FormFactorDecoratorRotation.cpp

@@ -55,4 +55,3 @@ WavevectorInfo FormFactorDecoratorRotation::rotate_wavevectors(
     double wavelength = wavevectors.getWavelength();
     return WavevectorInfo(rotated_ki, rotated_kf, wavelength);
 }
-

Core/Scattering/IFormFactor.cpp

@@ -19,9 +19,11 @@
 
 IFormFactor::~IFormFactor() {}
 
-Eigen::Matrix2cd IFormFactor::evaluatePol(const WavevectorInfo& wavevectors) const
+Eigen::Matrix2cd IFormFactor::evaluatePol(const WavevectorInfo&) const
 {
-    return evaluate(wavevectors) * Eigen::Matrix2cd::Identity();
+    // Throws to prevent unanticipated behaviour
+    throw Exceptions::NotImplementedException(
+        "IFormFactor::evaluatePol: is not implemented by default");
 }
 
 double IFormFactor::getVolume() const