Lines Matching refs:abs
21 #include <stdlib.h> // for abs()
78 // abs(out) = (out ^ sign) - sign
83 // v = abs(out) >> 3
608 // Compute differences; (a-b)^2 = (abs(a-b))^2 = (sat8(a-b) + sat8(b-a))^2
763 // b = abs(b) = (b ^ sign) - sign
792 return abs(diff_sum) >> 5;
840 // coeff = abs(in) = (in ^ sign) - sign
846 // coeff = abs(in) + sharpen
