Function quad

src/backend/cpu/kernel/anisotropic_diffusion.hpp:29–29

int index(int x, int y, int stride1) { return y * stride1 + x; }

float quad(float value) { return 1.0f / (1.0f + value); }

float computeGradientBasedUpdate(const float mct, const float NW, const float N,
                                 const float NE, const float W, const float C,