Remove vcl_math calls

[clitk.git] / itk / itkBSplineDecompositionImageFilterWithOBD.txx

diff --git a/itk/itkBSplineDecompositionImageFilterWithOBD.txx b/itk/itkBSplineDecompositionImageFilterWithOBD.txx
index 80414092681c333ecf58ee0004c8990b9af85237..46af35997f837db37d912b6977d2c70664ee1aa3 100644 (file)
--- a/itk/itkBSplineDecompositionImageFilterWithOBD.txx
+++ b/itk/itkBSplineDecompositionImageFilterWithOBD.txx
@@ -146,7 +146,7 @@ BSplineDecompositionImageFilterWithOBD<TInputImage, TOutputImage>
 
   case 3:
     m_NumberOfPoles = 1;
-    m_SplinePoles[0] = vcl_sqrt(3.0) - 2.0;
+    m_SplinePoles[0] = std::sqrt(3.0) - 2.0;
     break;
   case 0:
     m_NumberOfPoles = 0;
@@ -156,18 +156,18 @@ BSplineDecompositionImageFilterWithOBD<TInputImage, TOutputImage>
     break;
   case 2:
     m_NumberOfPoles = 1;
-    m_SplinePoles[0] = vcl_sqrt(8.0) - 3.0;
+    m_SplinePoles[0] = std::sqrt(8.0) - 3.0;
     break;
   case 4:
     m_NumberOfPoles = 2;
-    m_SplinePoles[0] = vcl_sqrt(664.0 - vcl_sqrt(438976.0)) + vcl_sqrt(304.0) - 19.0;
-    m_SplinePoles[1] = vcl_sqrt(664.0 + vcl_sqrt(438976.0)) - vcl_sqrt(304.0) - 19.0;
+    m_SplinePoles[0] = std::sqrt(664.0 - std::sqrt(438976.0)) + std::sqrt(304.0) - 19.0;
+    m_SplinePoles[1] = std::sqrt(664.0 + std::sqrt(438976.0)) - std::sqrt(304.0) - 19.0;
     break;
   case 5:
     m_NumberOfPoles = 2;
-    m_SplinePoles[0] = vcl_sqrt(135.0 / 2.0 - vcl_sqrt(17745.0 / 4.0)) + vcl_sqrt(105.0 / 4.0)
+    m_SplinePoles[0] = std::sqrt(135.0 / 2.0 - std::sqrt(17745.0 / 4.0)) + std::sqrt(105.0 / 4.0)
                        - 13.0 / 2.0;
-    m_SplinePoles[1] = vcl_sqrt(135.0 / 2.0 + vcl_sqrt(17745.0 / 4.0)) - vcl_sqrt(105.0 / 4.0)
+    m_SplinePoles[1] = std::sqrt(135.0 / 2.0 + std::sqrt(17745.0 / 4.0)) - std::sqrt(105.0 / 4.0)
                        - 13.0 / 2.0;
     break;
   default:
@@ -196,7 +196,7 @@ BSplineDecompositionImageFilterWithOBD<TInputImage, TOutputImage>
   horizon = m_DataLength[m_IteratorDirection];
   zn = z;
   if (m_Tolerance > 0.0) {
-    horizon = (long)vcl_ceil(log(m_Tolerance) / vcl_log(fabs(z)));
+    horizon = (long)std::ceil(log(m_Tolerance) / std::log(fabs(z)));
   }
   if (horizon < m_DataLength[m_IteratorDirection]) {
     /* accelerated loop */
@@ -209,7 +209,7 @@ BSplineDecompositionImageFilterWithOBD<TInputImage, TOutputImage>
   } else {
     /* full loop */
     iz = 1.0 / z;
-    z2n = vcl_pow(z, (double)(m_DataLength[m_IteratorDirection] - 1L));
+    z2n = std::pow(z, (double)(m_DataLength[m_IteratorDirection] - 1L));
     sum = m_Scratch[0] + z2n * m_Scratch[m_DataLength[m_IteratorDirection] - 1L];
     z2n *= z2n * iz;
     for (unsigned int n = 1; n <= (m_DataLength[m_IteratorDirection] - 2); n++) {