make_complex 79 apps/fft/main.cpp ComplexFunc dft_in = fft2d_c2c(make_complex(in), W, H, -1, target, fwd_desc); make_complex 80 apps/fft/main.cpp ComplexFunc dft_kernel = fft2d_c2c(make_complex(kernel), W, H, -1, target, fwd_desc);