/* welch.h */

#ifndef _INC_WELCH_H
#define _INC_WELCH_H

/* welchseg windows */
#define HAMMWND 0

/* welchseg flags */
#define	WELCH_F_TABLE     0x0001  /* return list of each PSD segment */
#define	WELCH_F_SQRT      0x0002  /* normalize for spectrum */
#define	WELCH_F_FULL      0x0004  /* full PSD/spectrum frequencies */
#define	WELCH_F_ZPAD      0x0008  /* zero pad short columns */
#define	WELCH_F_FFTS      0x0010  /* return FFTs */
#define	WELCH_F_TRANSP    0x0020  /* transpose table */
#define	WELCH_F_DEMEAN    0x0040  /* demean columns */
#define	WELCH_F_DETREND   0x0080  /* remove linear trend from columns */
#define	WELCH_F_WCOH      0x0100  /* compute Pxy, Pxx, Pyy */
#define	WELCH_F_CPSD      0x0200  /* compute Pxy */
#define	WELCH_F_GOERTZEL  0x0400  /* use Goertzel algorith */


/* welch specgram */
#define WELCH_F_SPECGRAM (WELCH_F_TABLE + WELCH_F_SQRT + WELCH_F_ZPAD + WELCH_F_TRANSP)

/* welch PSD - pwelch.spl */
#define WELCH_F_PSD      0x00

#endif