Lines Matching refs:a10
126 FIXP_DBL a00, a10, a20, a30, tmp0, tmp1; in fft_4() local
129 a10 = (x[2] + x[6])>>1; /* Re C + Re D */ in fft_4()
133 x[0] = a00 + a10; /* Re A' = Re A + Re B + Re C + Re D */ in fft_4()
139 x[4] = a00 - a10; /* Re C' = Re A + Re B - Re C - Re D */ in fft_4()
142 a10 = a10 - x[6]; /* Re C - Re D */ in fft_4()
147 x[3] = tmp1 - a10; /* Im B' = Im A - Im B - Re C + Re D */ in fft_4()
148 x[7] = tmp1 + a10; /* Im D' = Im A - Im B + Re C - Re D */ in fft_4()
156 FIXP_DBL a00, a10, a20, a30; in fft_8() local
160 a10 = x[4] + x[12]; in fft_8()
164 y[0] = a00 + (a10>>1); in fft_8()
165 y[4] = a00 - (a10>>1); in fft_8()
170 a10 = (a10>>1) - x[12]; in fft_8()
176 y[3] = a20 - a10; in fft_8()
177 y[7] = a20 + a10; in fft_8()
180 a10 = x[6] + x[14]; in fft_8()
184 y[8] = a00 + (a10>>1); in fft_8()
185 y[12] = a00 - (a10>>1); in fft_8()
190 a10 = (a10>>1) - x[14]; in fft_8()
196 y[11] = a20 - a10; in fft_8()
197 y[15] = a20 + a10; in fft_8()