CTM_COEFF_1_0
else if (abs_coeff < CTM_COEFF_1_0)
#define CTM_COEFF_2_0 (CTM_COEFF_1_0 << 1)
#define CTM_COEFF_0_5 (CTM_COEFF_1_0 >> 1)
#define CTM_COEFF_LIMITED_RANGE ((235ULL - 16ULL) * CTM_COEFF_1_0 / 255)
((7 << 12) | ILK_CSC_COEFF_FP(CTM_COEFF_1_0, 8))