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/*
$License:
Copyright (C) 2011 InvenSense Corporation, All Rights Reserved.
$
*/
#ifndef INTERPOLATOR_H
#define INTERPOLATOR_H
#ifdef __cplusplus
extern "C" {
#endif
//#include "mltypes.h"
/* ------------ */
/* - Defines. - */
/* ------------ */
#define MAX_INTERPOLATION (20)
typedef struct {
long x[2];
long y[4];
} tInterpolate2;
typedef struct {
long x[2];
long y[6];
} tInterpolate3;
typedef struct {
long x[5];
long y[10];
int idx1;
} tInterpolate5;
typedef struct {
tInterpolate2 state1;
tInterpolate2 state2;
} tInterpolate4;
typedef struct {
tInterpolate3 state1;
tInterpolate2 state2;
} tInterpolate6;
typedef struct {
tInterpolate2 state1;
tInterpolate4 state2;
} tInterpolate8;
typedef struct {
tInterpolate3 state1;
tInterpolate3 state2;
} tInterpolate9;
typedef struct {
tInterpolate5 state1;
tInterpolate2 state2;
} tInterpolate10;
typedef struct {
tInterpolate4 state1;
tInterpolate3 state2;
} tInterpolate12;
typedef struct {
tInterpolate5 state1;
tInterpolate3 state2;
} tInterpolate15;
typedef struct {
tInterpolate2 state1;
tInterpolate8 state2;
} tInterpolate16;
typedef struct {
tInterpolate9 state1;
tInterpolate2 state2;
} tInterpolate18;
typedef struct {
tInterpolate10 state1;
tInterpolate2 state2;
} tInterpolate20;
typedef union {
tInterpolate2 u2;
tInterpolate3 u3;
tInterpolate4 u4;
tInterpolate5 u5;
tInterpolate6 u6;
tInterpolate8 u8;
tInterpolate9 u9;
tInterpolate10 u10;
tInterpolate12 u12;
tInterpolate15 u15;
tInterpolate16 u16;
tInterpolate18 u18;
tInterpolate20 u20;
} tInterpolateState;
/* --------------------- */
/* - Function p-types. - */
/* --------------------- */
int inv_get_interp_amount( int x );
int inv_interpolate( int amount, long input, long *output, tInterpolateState *state );
long inv_fxmult( long x, long y );
#ifdef __cplusplus
}
#endif
#endif /* INTERPOLATOR_H */
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