/** $Source: /usr/gcc/DELIVERABLES/adi-21csp-sol/21csp/include/mdsp/mds_def.h,v $* $Revision: 1.1.1.1 $* $Author: levb $ $Date: 1996/11/13 15:58:28 $*//****************************************************************************Copyright (c) 1996 Analog Devices Inc. All rights reserved.****************************************************************************//* @(#) File: mds_def.h	Date May 15, 1996 $	Revised Aug 28, 1996	Version 1.14	*/#ifndef _MDS_DEF_INC#define _MDS_DEF_INCtypedef	short	fract16;typedef long	fract32;
typedef struct {
 fract16 re, im;
} complex_fract16;

typedef struct {     fract16 real, imag;} cfract16;typedef struct {     fract32 real, imag;} cfract32;typedef struct {     float real, imag;} cfloat;


typedef struct
{
	int k;
	complex_fract16 *h;
	complex_fract16 *d;
	complex_fract16 *p;
}cfir_state_fr16;

typedef struct 
{
    fract16 *c;    /* coefficients                   */
	fract16 *d;    /* start of delay line            */
	int k;       /* number of bi-quad stages       */
} iir_state_fr16;
#define NBITS		16#define NBITS1		(NBITS-1)#define NBITS2		(NBITS-2)#define PROUNDING	(1<<(NBITS-2))#define RROUNDING	(1<<(NBITS-3))#define LARGESTP	(fract16)0x7fff#define LARGESTN	(fract16)0x8000#define LARGESTLP	(fract32)0x7fffffff#define LARGESTLN	(fract32)0x80000000#define MDS_FP_PI	(float)3.1415926535897931#define MDS_FP_PI2	(float)6.2831853071795862#define MDS_FP_PIH	(float)1.5707963267948966#define MDS_FP_PIQ	(float)7.8539816339744828e-01#define MDS_FP_LOG10	(float)2.3025851249694824#define MDS_FX_PI	0x40490fdb#define MDS_FX_PI2	0x40c90fdb#define MDS_FX_PIH	0x3fc90fdb#define MDS_FX_PIQ	0x3f490fdb#define MDS_FX_LOG10	0x40135d8e#endif /* _MDS_DEF_INC */