Searched refs:f_x (Results 1 – 1 of 1) sorted by relevance
128 static inline s32 cubic_conv(s32 f_a, s32 f_x) in cubic_conv() argument134 const s32 f_x2 = FMUL(f_x, f_x); in cubic_conv()135 const s32 f_x3 = FMUL(f_x, f_x2); in cubic_conv()137 if (f_x <= f_1) in cubic_conv()139 else if (f_x <= f_2) in cubic_conv()140 return FMUL(f_a, (f_x3 - 5 * f_x2 + 8 * f_x - f_4)); in cubic_conv()