abs2 230 source/common/pixel.cpp a0 = abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3); abs2 256 source/common/pixel.cpp sum += abs2(a0) + abs2(a1) + abs2(a2) + abs2(a3); abs2 317 source/common/pixel.cpp b0 = abs2(a0 + a4) + abs2(a0 - a4); abs2 318 source/common/pixel.cpp b0 += abs2(a1 + a5) + abs2(a1 - a5); abs2 319 source/common/pixel.cpp b0 += abs2(a2 + a6) + abs2(a2 - a6); abs2 320 source/common/pixel.cpp b0 += abs2(a3 + a7) + abs2(a3 - a7);