Lines Matching refs:a00
126 FIXP_DBL a00, a10, a20, a30, tmp0, tmp1; in fft_4() local
128 a00 = (x[0] + x[4])>>1; /* Re A + Re B */ in fft_4()
133 x[0] = a00 + a10; /* Re A' = Re A + Re B + Re C + Re D */ in fft_4()
136 tmp0 = a00 - x[4]; /* Re A - Re B */ in fft_4()
139 x[4] = a00 - a10; /* Re C' = Re A + Re B - Re C - Re D */ in fft_4()
156 FIXP_DBL a00, a10, a20, a30; in fft_8() local
159 a00 = (x[0] + x[8])>>1; in fft_8()
164 y[0] = a00 + (a10>>1); in fft_8()
165 y[4] = a00 - (a10>>1); in fft_8()
169 a00 = a00 - x[8]; in fft_8()
174 y[2] = a00 + a30; in fft_8()
175 y[6] = a00 - a30; in fft_8()
179 a00 = (x[2] + x[10])>>1; in fft_8()
184 y[8] = a00 + (a10>>1); in fft_8()
185 y[12] = a00 - (a10>>1); in fft_8()
189 a00 = a00 - x[10]; in fft_8()
194 y[10] = a00 + a30; in fft_8()
195 y[14] = a00 - a30; in fft_8()