text: template void CPUMatrix<float>::BatchNormalizationBackward(const CPUMatrix<float>& in, CPUMatrix<float>& grad, const CPUMatrix<float>& scale, double blendFactor, const CPUMatrix<float>& saveMean, const CPUMatrix<float>& saveInvStdDev, CPUMatrix<float>& scaleGrad, CPUMatrix<float>& biasGrad) const;
  