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ditsplit.c File Reference
#include "common.h"
#include <stdio.h>
#include "fft.h"
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Functions

void irfft (double *x, int n)
 

Detailed Description

Split Radix, Decimation in Frequency, Inverse Real-valued FFT.

Input order: [ Re(0), Re(1), ..., Re(N/2), Im(N/2-1), ..., Im(1) ]

Transactions on Acoustics, Speech, and Signal Processing, June 1987.

Definition in file ditsplit.c.

Function Documentation

void irfft ( double *  x,
int  n 
)

Definition at line 39 of file ditsplit.c.

References irfft_adds, irfft_mults, M_PI, and M_SQRT1_2.