summaryrefslogtreecommitdiffstats
path: root/fft.scm
diff options
context:
space:
mode:
Diffstat (limited to 'fft.scm')
-rw-r--r--fft.scm6
1 files changed, 3 insertions, 3 deletions
diff --git a/fft.scm b/fft.scm
index 2257e30..feefec8 100644
--- a/fft.scm
+++ b/fft.scm
@@ -39,7 +39,7 @@
(slib:error 'fft "array length not power of 2" n))
(do ((k 0 (+ 1 k)))
((>= k n) new)
- (array-set! new (* (array-ref ara k) scale) (bit-reverse lgn k))))
+ (array-set! new (* (array-ref ara k) scale) (reverse-bit-field k 0 lgn))))
(define (dft! ara n dir)
(define lgn (integer-length (+ -1 n)))
@@ -66,7 +66,7 @@
;;@dfn{Discrete Fourier Transform} of @var{array}.
(define (fft ara)
(define n (car (array-dimensions ara)))
- (define new (apply create-array ara (array-dimensions ara)))
+ (define new (apply make-array ara (array-dimensions ara)))
(dft! (fft:shuffle&scale new ara n 1) n 1))
;;@args array
@@ -74,7 +74,7 @@
;;inverse Discrete Fourier Transform of @var{array}.
(define (fft-1 ara)
(define n (car (array-dimensions ara)))
- (define new (apply create-array ara (array-dimensions ara)))
+ (define new (apply make-array ara (array-dimensions ara)))
(dft! (fft:shuffle&scale new ara n (/ n)) n -1))
;;@noindent