#define Q29_fmt(a)(int32(double(0x20000000)*a))
/*----------------------------------------------------------------------------
; LOCAL FUNCTION DEFINITIONS
; Function Prototype declaration
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; LOCAL STORE/BUFFER/POINTER DEFINITIONS
; Variable declaration - defined here and used outside this module
----------------------------------------------------------------------------*/
const int32 pretab[22] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0};
const int32 pow_2_1_fourth[4] =
{
Q30_fmt(1.0), Q30_fmt(1.18920711500272),
Q30_fmt(1.41421356237310), Q30_fmt(1.68179283050743)
};
const int32 two_cubic_roots[7] =
{
Q29_fmt(0), Q29_fmt(1.25992104989487),
Q29_fmt(1.58740105196820), Q29_fmt(2.00000000000000),
Q29_fmt(2.51984209978975), Q29_fmt(3.17480210393640),
Q29_fmt(3.99999999999999)
};
/*----------------------------------------------------------------------------
; EXTERNAL FUNCTION REFERENCES
; Declare functions defined elsewhere and referenced in this module
----------------------------------------------------------------------------*/
; Declare functions defined elsewhere and referenced in this module
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
; Declare variables used in this module but defined elsewhere
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; FUNCTION CODE
----------------------------------------------------------------------------*/
#define Q30_fmt(x) (Int32)(x*((Int32)1<<30) + (x>=0?0.5F:-0.5F))
#define Qfmt15(x) (Int16)(x*((Int32)1<<15) + (x>=0?0.5F:-0.5F))
const Int32 limGains[5] = { Q30_fmt(0.70795f), Q30_fmt(1.0f),
Q30_fmt(1.41254f), Q30_fmt(1.16415321826935f), 33
};
const Int32 smoothLengths[2] = { 4, 0 };
const Int16 rP_LCx[512] =
{
Qfmt15(-0.99948153278296f), Qfmt15(0.97113454393991f), Qfmt15(0.14130051758487f), Qfmt15(-0.47005496701697f),
Qfmt15(0.80705063769351f), Qfmt15(-0.38981478896926f), Qfmt15(-0.01053049862020f), Qfmt15(-0.91266367957293f),
Qfmt15(0.54840422910309f), Qfmt15(0.40009252867955f), Qfmt15(-0.99867974711855f), Qfmt15(-0.95531076805040f),
Qfmt15(-0.45725933317144f), Qfmt15(-0.72929675029275f), Qfmt15(0.75622801399036f), Qfmt15(0.07069442601050f),
Qfmt15(0.74496252926055f), Qfmt15(-0.96440182703856f), Qfmt15(0.30424629369539f), Qfmt15(0.66565033746925f),
Qfmt15(0.91697008020594f), Qfmt15(-0.70774918760427f), Qfmt15(-0.70051415345560f), Qfmt15(-0.99496513054797f),
Qfmt15(0.98164490790123f), Qfmt15(-0.54671580548181f), Qfmt15(-0.01689629065389f), Qfmt15(-0.86110349531986f),
Qfmt15(-0.98892980586032f), Qfmt15(0.51756627678691f), Qfmt15(-0.99635026409640f), Qfmt15(-0.99969370862163f),
