R2                159 libavcodec/simple_idct.c #define R2 R_FIX(0.2705980501)
R2                 58 libavutil/sha.c #define R2(v,w,x,y,z,i) z += ( (w)^(x)       ^(y))       + blk (i) + 0x6ED9EBA1 + rol(v, 5); w = rol(w, 30);