[cleanup] accept nested sub-switch SPLIT_REND_QUANT_RANGE_INC

#define IVAS_SPLIT_REND_NUM_QUANT_STRATS (3)

#define IVAS_SPLIT_REND_PRED_QUANT_PNTS ( 31 )

#define IVAS_SPLIT_REND_D_QUANT_PNTS    ( 15 )

#ifdef SPLIT_REND_QUANT_RANGE_INC

#define IVAS_SPLIT_REND_PRED_MIN_VAL    ( -1.4f )

#define IVAS_SPLIT_REND_PRED_MAX_VAL    ( 1.4f )

#else

#define IVAS_SPLIT_REND_PRED_MIN_VAL    ( -1.0f )

#define IVAS_SPLIT_REND_PRED_MAX_VAL    ( 1.0f )

#endif

#define IVAS_SPLIT_REND_PITCH_G_MIN_VAL  (0.5f)

#define IVAS_SPLIT_REND_PITCH_G_MAX_VAL  (1.5f)

//#define SPLIT_REND_WITH_HEAD_ROT_DEBUG // only for debugging purposes

//#define DBG_WAV_WRITER

//#define SPLIT_POSE_CORRECTION_DEBUG

#define SPLIT_REND_QUANT_RANGE_INC