Remove vcl_math calls

[clitk.git] / registration / clitkOptNormalizedCorrelationImageToImageMetric.txx

diff --git a/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx b/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
index 146fb0050198de6dc12f58e489011f5ae8b00696..fbb52ca470cecbd3c77a825a426f7e63e2a1ecec 100644 (file)
--- a/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
+++ b/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
@@ -117,7 +117,11 @@ NormalizedCorrelationImageToImageMetric<TFixedImage,TMovingImage>
 template <class TFixedImage, class TMovingImage>
 void
 NormalizedCorrelationImageToImageMetric<TFixedImage,TMovingImage>
+#if ( ( ITK_VERSION_MAJOR == 4 ) && ( ITK_VERSION_MINOR > 12 ) || ( ITK_VERSION_MAJOR > 4 ))
+::Initialize(void)
+#else
 ::Initialize(void) throw ( itk::ExceptionObject )
+#endif
 {
 
   this->Superclass::Initialize();
@@ -306,7 +310,7 @@ NormalizedCorrelationImageToImageMetric<TFixedImage,TMovingImage>
   }
 
 
-  const RealType denom = -1.0 * vcl_sqrt(sff * smm );
+  const RealType denom = -1.0 * std::sqrt(sff * smm );
   MeasureType measure;
   if( this->m_NumberOfPixelsCounted > 0 && denom != 0.0) {
     measure = sfm / denom;
@@ -396,7 +400,7 @@ NormalizedCorrelationImageToImageMetric<TFixedImage,TMovingImage>
   }
 
 
-  m_Denom = -1.0 * vcl_sqrt(m_SFF * m_SMM );
+  m_Denom = -1.0 * std::sqrt(m_SFF * m_SMM );
   MeasureType measure;
   if( this->m_NumberOfPixelsCounted > 0 && m_Denom != 0.0) {
     measure = m_SFM / m_Denom;