114                 fx32    xr, xi, yr, yi;  in MATHi_FFT()  local
120                 xr = data[i];  in MATHi_FFT()
124                 data[i] = xr + yr;  in MATHi_FFT()
126                 data[j] = xr - yr;  in MATHi_FFT()
152                         fx32    xr, xi, yr, yi;  in MATHi_FFT()  local
157                         xr = data[j];  in MATHi_FFT()
163                             fx32    t = FX_Mul(wr, xr + xi);  in MATHi_FFT()
165                             yi = t - FX_Mul(w2, xr);  in MATHi_FFT()
168                         xr = data[i];  in MATHi_FFT()
170                         data[i] = xr + yr;  in MATHi_FFT()
172                         data[j] = xr - yr;  in MATHi_FFT()
182                         fx32    xr, xi, yr, yi;  in MATHi_FFT()  local
188                         xr = data[i];  in MATHi_FFT()
196                         data[i] = xr + yi;  in MATHi_FFT()
198                         data[j] = xr - yi;  in MATHi_FFT()
266                 fx32    xr, xi, yr, yi;  in MATHi_IFFT()  local
272                 xr = data[i];  in MATHi_IFFT()
276                 data[i] = xr + yr;  in MATHi_IFFT()
278                 data[j] = xr - yr;  in MATHi_IFFT()
300                         fx32    xr, xi, yr, yi;  in MATHi_IFFT()  local
305                         xr = data[j];  in MATHi_IFFT()
311                             fx32    t = FX_Mul(wr, xr + xi);  in MATHi_IFFT()
313                             yi = t - FX_Mul(w2, xr);  in MATHi_IFFT()
316                         xr = data[i];  in MATHi_IFFT()
318                         data[i] = xr + yr;  in MATHi_IFFT()
320                         data[j] = xr - yr;  in MATHi_IFFT()
330                         fx32    xr, xi, yr, yi;  in MATHi_IFFT()  local
336                         xr = data[i];  in MATHi_IFFT()
340                         data[i] = xr - yi;  in MATHi_IFFT()
342                         data[j] = xr + yi;  in MATHi_IFFT()
398                     fx32    xr, xi, yr, yi;
403                     xr = data[i];
407                     data[i] = xr + yr;
409                     data[j] = xr - yr;
427                         fx32    xr, xi, yr, yi;
433                         xr = data[j];
439                             fx32    t = FX_Mul(wr, xr + xi);
441                             yi = t - FX_Mul(wr - wi, xr);
444                         xr = data[ik];
446                         data[ik] = xr + yr;
448                         data[j] = xr - yr;
524         fx32    xr, xi, yr, yi, zr, zi;  in MATH_FFTReal()  local
549             xr = t - FX_Mul(wr - wi, zi);  in MATH_FFTReal()
553         data[i] = yr + xr;  in MATH_FFTReal()
555         data[j] = yr - xr;  in MATH_FFTReal()
559         fx32    xr, xi;  in MATH_FFTReal()  local
560         xr = data[0];  in MATH_FFTReal()
562         data[0] = xr + xi;  in MATH_FFTReal()
563         data[1] = xr - xi;  in MATH_FFTReal()
593         fx32    yr, yi, zr, zi, xr, xi;  in MATH_IFFTReal()  local
618             xr = t - FX_Mul(wr - wi, zi);  in MATH_IFFTReal()
622         data[i] = yr + xr;  in MATH_IFFTReal()
624         data[j] = yr - xr;  in MATH_IFFTReal()
628         fx32    xr, xi;  in MATH_IFFTReal()  local
629         xr = data[0];  in MATH_IFFTReal()
631         data[0] = (xr + xi);  in MATH_IFFTReal()
632         data[1] = (xr - xi);  in MATH_IFFTReal()