Remove vcl_math calls

[clitk.git] / registration / clitkOptNormalizedCorrelationImageToImageMetric.txx

diff --git a/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx b/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
index ea2c52a56222a9db07d45d1026f4e4a728d0b2a6..fbb52ca470cecbd3c77a825a426f7e63e2a1ecec 100644 (file)
--- a/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
+++ b/registration/clitkOptNormalizedCorrelationImageToImageMetric.txx
@@ -310,7 +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;
@@ -400,7 +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;