R1                172 libavcodec/simple_idct.c #define R1 R_FIX(0.6532814824)
R1                 57 libavutil/sha.c #define R1(v,w,x,y,z,i) z += (((w)&((x)^(y)))^(y))       + blk (i) + 0x5A827999 + rol(v, 5); w = rol(w, 30);