Lines Matching refs:a00
133 FIXP_DBL a00, a10, a20, a30; in dit_fft() local
134 a00 = (x[i + 0] + x[i + 2])>>1; /* Re A + Re B */ in dit_fft()
139 x[i + 0] = a00 + a10; /* Re A' = Re A + Re B + Re C + Re D */ in dit_fft()
140 x[i + 4] = a00 - a10; /* Re C' = Re A + Re B - Re C - Re D */ in dit_fft()
144 a00 = a00 - x[i + 2]; /* Re A - Re B */ in dit_fft()
149 x[i + 2] = a00 + a30; /* Re B' = Re A - Re B + Im C - Im D */ in dit_fft()
150 x[i + 6] = a00 - a30; /* Re D' = Re A - Re B - Im C + Im D */ in dit_fft()
339 FIXP_DBL a0, a1, a2, a3, a00, a10, a20, a30; in dit_ifft() local
341 a00 = (x[i + 0] + x[i + 2])>>1; /* Re A + Re B */ in dit_ifft()
350 x[i + 0] = a00 + a10; /* Re A' = Re A + Re B + Re C + Re D */ in dit_ifft()
351 x[i + 4] = a00 - a10; /* Re C' = Re A + Re B - Re C - Re D */ in dit_ifft()