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Searched refs:sqrt_one_half_ (Results 1 – 2 of 2) sorted by relevance

/aosp12/packages/modules/ExtServices/native/pHash/
H A Dfast_dct-inl.h37 sqrt_one_half_(sqrt(0.5)), in FastDCT()
77 ddct_in_out_[0] *= sqrt_one_half_; in ForwardTransform1D()
90 ddct_in_out_[0] *= sqrt_one_half_; in ReverseTransform1D()
122 ddct2d_in_out_ptr_array_[i][0] *= sqrt_one_half_; in ForwardTransform2D()
123 ddct2d_in_out_ptr_array_[0][i] *= sqrt_one_half_; in ForwardTransform2D()
145 ddct2d_in_out_ptr_array_[i][0] *= sqrt_one_half_; in ReverseTransform2D()
146 ddct2d_in_out_ptr_array_[0][i] *= sqrt_one_half_; in ReverseTransform2D()
H A Dfast_dct.h53 const double sqrt_one_half_; variable