Searched refs:_k (Results 1 – 2 of 2) sorted by relevance
191 float nk_fresnel(float _c, float _n, float _k) in nk_fresnel() argument195 r1 = ((_n-1) * (_n-1) + _k * _k) / ((_n+1)*(_n+1) + _k*_k) ; in nk_fresnel()
25 float nk_fresnel(float _c, float _n, float _k);