no need for double negation with unique_ptr

Device/Mask/DetectorMask.cpp

@@ -105,7 +105,7 @@ const MaskPattern* DetectorMask::patternAt(size_t iMask) const
 void DetectorMask::process_masks()
 {
     m_masked->setAllTo(false);
-    if (!!m_stack.empty())
+    if (m_stack.empty())
         return;
 
     m_number_of_masked_channels = 0;

Sim/Scan/AlphaScan.cpp

@@ -89,9 +89,9 @@ AlphaScan::~AlphaScan() = default;
 
 std::vector<SpecularElement> AlphaScan::generateElements(PolMatrices polpair) const
 {
-    if (!!m_beamPolarization)
+    if (m_beamPolarization)
         polpair.setPolarizerMatrix(SpinMatrix::FromBlochVector(*m_beamPolarization));
-    if (!!m_polAnalyzer)
+    if (m_polAnalyzer)
         polpair.setAnalyzerMatrix(m_polAnalyzer->matrix());
 
     const auto wls = extractValues(applyWlResolution(),

Sim/Scan/QzScan.cpp

@@ -61,9 +61,9 @@ QzScan* QzScan::clone() const
 //! Generates simulation elements for specular simulations
 std::vector<SpecularElement> QzScan::generateElements(PolMatrices polpair) const
 {
-    if (!!m_beamPolarization)
+    if (m_beamPolarization)
         polpair.setPolarizerMatrix(SpinMatrix::FromBlochVector(*m_beamPolarization));
-    if (!!m_polAnalyzer)
+    if (m_polAnalyzer)
         polpair.setAnalyzerMatrix(m_polAnalyzer->matrix());
 
     const std::vector<double> qz = generateQzVector();