| 2658 | ******************/ |
| 2659 | |
| 2660 | static void rfft1pt(SPFLOAT * ioptr) |
| 2661 | { |
| 2662 | /*** RADIX 2 rfft ***/ |
| 2663 | SPFLOAT f0r, f0i; |
| 2664 | SPFLOAT t0r, t0i; |
| 2665 | |
| 2666 | /* bit reversed load */ |
| 2667 | f0r = ioptr[0]; |
| 2668 | f0i = ioptr[1]; |
| 2669 | |
| 2670 | /* finish rfft */ |
| 2671 | t0r = f0r + f0i; |
| 2672 | t0i = f0r - f0i; |
| 2673 | |
| 2674 | /* store result */ |
| 2675 | ioptr[0] = t0r; |
| 2676 | ioptr[1] = t0i; |
| 2677 | } |
| 2678 | |
| 2679 | static void rfft2pt(SPFLOAT * ioptr) |
| 2680 | { |