OpenTNL - private.h File Reference

private.h File Reference

#include <memory.h>
#include "gsm.h"

Data Structures

struct gsm_state

Defines

#define INLINE

#define GSM_MAGIC   0xD /* 13 kbit/s RPE-LTP */

#define MIN_WORD   (-32767 - 1)

#define MAX_WORD   32767

#define SASR(x, by)   ((x) >> (by))

#define SASL(x, by)   ((x) << (by))

#define GSM_MULT_R(a, b)   (SASR( ((longword)(a) * (longword)(b)), 15 ))

#define GSM_MULT(a, b)   (SASR( ((longword)(a) * (longword)(b)), 15 ))

#define GSM_ADD(a, b)   (gsmword)((ltmp = (longword)(a) + (longword)(b)) >= MAX_WORD ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)

#define GSM_SUB(a, b)   (gsmword)((ltmp = (longword)(a) - (longword)(b)) >= MAX_WORD ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)

#define GSM_ABS(a)   (gsmword)((a) < 0 ? -(a) : (a))

Typedefs

typedef long gsmword

typedef long longword

Functions

INLINE gsmword gsm_div (gsmword num, gsmword denum)

Define Documentation

#define INLINE

#define GSM_MAGIC 0xD /* 13 kbit/s RPE-LTP */

#define MIN_WORD (-32767 - 1)

#define MAX_WORD 32767

#define SASR ( x,
by ) ((x) >> (by))

#define SASL ( x,
by ) ((x) << (by))

#define GSM_MULT_R ( a,
b ) (SASR( ((longword)(a) * (longword)(b)), 15 ))

#define GSM_MULT ( a,
b ) (SASR( ((longword)(a) * (longword)(b)), 15 ))

#define GSM_ADD ( a,
b ) (gsmword)((ltmp = (longword)(a) + (longword)(b)) >= MAX_WORD ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)

#define GSM_SUB ( a,
b ) (gsmword)((ltmp = (longword)(a) - (longword)(b)) >= MAX_WORD ? MAX_WORD : ltmp <= MIN_WORD ? MIN_WORD : ltmp)

#define GSM_ABS ( a ) (gsmword)((a) < 0 ? -(a) : (a))

typedef long gsmword

typedef long longword

INLINE gsmword gsm_div ( gsmword num,

gsmword denum

)