BRL-CAD
splitdit.c File Reference
#include "fft.h"
Include dependency graph for splitdit.c:

Go to the source code of this file.

Functions

void rfft (double *X, int N)
 

Variables

int rfft_adds
 
int rfft_mults
 

Detailed Description

Real valued, split-radix, decimation in time FFT.

Data comes out as:

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

Definition in file splitdit.c.

Function Documentation

void rfft ( double *  X,
int  N 
)

Definition at line 37 of file splitdit.c.

References M_PI, M_SQRT1_2, N, rfft_adds, rfft_mults, and s.

Variable Documentation

int rfft_adds

Definition at line 33 of file splitdit.c.

Referenced by rfft().

int rfft_mults

Definition at line 33 of file splitdit.c.

Referenced by rfft().