Remove vcl_math calls

[clitk.git] / registration / clitkCorrelationRatioImageToImageMetric.txx

diff --git a/registration/clitkCorrelationRatioImageToImageMetric.txx b/registration/clitkCorrelationRatioImageToImageMetric.txx
index 1454539c8183b24d2d56a8239d027061076732d9..f6b5af11cb7abae02d367d9fc80dce70257ceaae 100644 (file)
--- a/registration/clitkCorrelationRatioImageToImageMetric.txx
+++ b/registration/clitkCorrelationRatioImageToImageMetric.txx
@@ -168,7 +168,7 @@ CorrelationRatioImageToImageMetric<TFixedImage,TMovingImage>
 
       //check in which bin the fixed value belongs, get the index
       const double fixedImageBinTerm =        (fixedValue - m_FixedImageMin) / m_FixedImageBinSize;
-      const unsigned int fixedImageBinIndex = static_cast<unsigned int>( vcl_floor(fixedImageBinTerm ) );
+      const unsigned int fixedImageBinIndex = static_cast<unsigned int>( std::floor(fixedImageBinTerm ) );
       //adapt the measures per bin
       this->m_mMSVPB[fixedImageBinIndex]+=movingSquaredValue;
       this->m_mSMVPB[fixedImageBinIndex]+=movingValue;