Lines Matching defs:df0
72 df0 = 0.5f * std::min(df, t),
103 // |< df0 >| |< df0 >|< df1 >| |< df1 >|
111 // Note 3: to minimize the number of gradient stops, we can shift the gradient by -df0
126 t - df0 - df0, // fp1
127 t + df1 - df0, // fp2
128 1 - df1 - df0, // fp3
139 center + grad_vec * (df0 + 0),
140 center + grad_vec * (df0 + 1),