
#ifndef _REF_H
#define _REF_H

#include <math.h>
#include <stdint.h>
#include "arm_math.h"

#ifdef	__cplusplus
extern "C"
{
#endif

#ifndef PI
#define PI					3.14159265358979f
#endif

  /**
   * @brief 8-bit fractional data type in 1.7 format.
   */
//  typedef int8_t q7_t;

  /**
   * @brief 16-bit fractional data type in 1.15 format.
   */
//  typedef int16_t q15_t;

  /**
   * @brief 32-bit fractional data type in 1.31 format.
   */
//  typedef int32_t q31_t;

  /**
   * @brief 64-bit fractional data type in 1.63 format.
   */
//  typedef int64_t q63_t;

  /**
   * @brief 32-bit floating-point type definition.
   */
//  typedef float float32_t;

  /**
   * @brief 64-bit floating-point type definition.
   */
//  typedef double float64_t;


  /**
   * @brief Error status returned by some functions in the library.
   */

  typedef enum
  {
    REF_Q7 = 0,
    REF_Q15,
    REF_Q31,
    REF_F32,
  } dataType;


#ifndef FLT_MAX
#define FLT_MAX  3.40282347e+38F
#endif 

#define DBL_MAX  1.79769313486231571e+308

#ifndef FLT_MIN
#define FLT_MIN  1.175494351e-38F
#endif
#define DBL_MIN  2.22507385850720138e-308

#define SCHAR_MIN (-128)
    /* mimimum value for an object of type signed char */
#define SCHAR_MAX 127
    /* maximum value for an object of type signed char */
#define UCHAR_MAX 255
    /* maximum value for an object of type unsigned char */
#define SHRT_MIN  (-0x8000)
    /* minimum value for an object of type short int */
#define SHRT_MAX  0x7fff
    /* maximum value for an object of type short int */
#define USHRT_MAX 65535
    /* maximum value for an object of type unsigned short int */
#define INT_MIN   (~0x7fffffff)  /* -2147483648 and 0x80000000 are unsigned */
    /* minimum value for an object of type int */
#define INT_MAX   0x7fffffff
    /* maximum value for an object of type int */
#define UINT_MAX  0xffffffffU
    /* maximum value for an object of type unsigned int */
#define LONG_MIN  (~0x7fffffffL)
    /* minimum value for an object of type long int */
#define LONG_MAX  0x7fffffffL
    /* maximum value for an object of type long int */
#define ULONG_MAX 0xffffffffUL
    /* maximum value for an object of type unsigned long int */

	/*
	 * Ref Lib Global Variables
	 */
extern float32_t scratchArray[];
extern arm_cfft_instance_f32 ref_cfft_sR_f32_len8192;

	/*
	 * Ref Lib Functions
	 */

	/*
	 * Helper Functions
	 */
q31_t ref_sat_n(q31_t num, uint32_t bits);

q31_t ref_sat_q31(q63_t num);

q15_t ref_sat_q15(q31_t num);

q7_t ref_sat_q7(q15_t num);

float32_t ref_pow(float32_t a, uint32_t b);

extern float32_t tempMatrixArray[];

float32_t ref_detrm(float32_t *pSrc, float32_t *temp, uint32_t size);

void ref_cofact(float32_t *pSrc, float32_t *pDst, float32_t *temp, uint32_t size);

float64_t ref_detrm64(float64_t *pSrc, float64_t *temp, uint32_t size);

void ref_cofact64(float64_t *pSrc, float64_t *pDst, float64_t *temp, uint32_t size);

	/*
	 * Basic Math Functions
	 */
void ref_abs_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_abs_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_abs_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_abs_q7(
  q7_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_add_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  float32_t * pDst,
  uint32_t blockSize);

void ref_add_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  q31_t * pDst,
  uint32_t blockSize);

void ref_add_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  q15_t * pDst,
  uint32_t blockSize);

void ref_add_q7(
  q7_t * pSrcA,
  q7_t * pSrcB,
  q7_t * pDst,
  uint32_t blockSize);

void ref_dot_prod_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  uint32_t blockSize,
  float32_t * result);

void ref_dot_prod_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  uint32_t blockSize,
  q63_t * result);

void ref_dot_prod_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  uint32_t blockSize,
  q63_t * result);

void ref_dot_prod_q7(
  q7_t * pSrcA,
  q7_t * pSrcB,
  uint32_t blockSize,
  q31_t * result);

void ref_mult_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  float32_t * pDst,
  uint32_t blockSize);

void ref_mult_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  q31_t * pDst,
  uint32_t blockSize);

void ref_mult_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  q15_t * pDst,
  uint32_t blockSize);

void ref_mult_q7(
  q7_t * pSrcA,
  q7_t * pSrcB,
  q7_t * pDst,
  uint32_t blockSize);

void ref_negate_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_negate_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_negate_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_negate_q7(
  q7_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_offset_f32(
  float32_t * pSrc,
  float32_t offset,
  float32_t * pDst,
  uint32_t blockSize);

void ref_offset_q31(
  q31_t * pSrc,
  q31_t offset,
  q31_t * pDst,
  uint32_t blockSize);

void ref_offset_q15(
  q15_t * pSrc,
  q15_t offset,
  q15_t * pDst,
  uint32_t blockSize);

void ref_offset_q7(
  q7_t * pSrc,
  q7_t offset,
  q7_t * pDst,
  uint32_t blockSize);

void ref_scale_f32(
  float32_t * pSrc,
  float32_t scale,
  float32_t * pDst,
  uint32_t blockSize);

void ref_scale_q31(
  q31_t * pSrc,
  q31_t scaleFract,
  int8_t shift,
  q31_t * pDst,
  uint32_t blockSize);

void ref_scale_q15(
  q15_t * pSrc,
  q15_t scaleFract,
  int8_t shift,
  q15_t * pDst,
  uint32_t blockSize);

void ref_scale_q7(
  q7_t * pSrc,
  q7_t scaleFract,
  int8_t shift,
  q7_t * pDst,
  uint32_t blockSize);

void ref_shift_q31(
  q31_t * pSrc,
  int8_t shiftBits,
  q31_t * pDst,
  uint32_t blockSize);

void ref_shift_q15(
  q15_t * pSrc,
  int8_t shiftBits,
  q15_t * pDst,
  uint32_t blockSize);

void ref_shift_q7(
  q7_t * pSrc,
  int8_t shiftBits,
  q7_t * pDst,
  uint32_t blockSize);

void ref_sub_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  float32_t * pDst,
  uint32_t blockSize);

void ref_sub_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  q31_t * pDst,
  uint32_t blockSize);

void ref_sub_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  q15_t * pDst,
  uint32_t blockSize);

void ref_sub_q7(
  q7_t * pSrcA,
  q7_t * pSrcB,
  q7_t * pDst,
  uint32_t blockSize);

	/*
	 * Complex Math Functions
	 */
void ref_cmplx_conj_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t numSamples);

void ref_cmplx_conj_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t numSamples);

void ref_cmplx_conj_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t numSamples);

void ref_cmplx_dot_prod_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  uint32_t numSamples,
  float32_t * realResult,
  float32_t * imagResult);

void ref_cmplx_dot_prod_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  uint32_t numSamples,
  q63_t * realResult,
  q63_t * imagResult);

void ref_cmplx_dot_prod_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  uint32_t numSamples,
  q31_t * realResult,
  q31_t * imagResult);

void ref_cmplx_mag_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mag_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mag_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mag_squared_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mag_squared_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mag_squared_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mult_cmplx_f32(
  float32_t * pSrcA,
  float32_t * pSrcB,
  float32_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mult_cmplx_q31(
  q31_t * pSrcA,
  q31_t * pSrcB,
  q31_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mult_cmplx_q15(
  q15_t * pSrcA,
  q15_t * pSrcB,
  q15_t * pDst,
  uint32_t numSamples);

void ref_cmplx_mult_real_f32(
  float32_t * pSrcCmplx,
  float32_t * pSrcReal,
  float32_t * pCmplxDst,
  uint32_t numSamples);

void ref_cmplx_mult_real_q31(
  q31_t * pSrcCmplx,
  q31_t * pSrcReal,
  q31_t * pCmplxDst,
  uint32_t numSamples);

void ref_cmplx_mult_real_q15(
  q15_t * pSrcCmplx,
  q15_t * pSrcReal,
  q15_t * pCmplxDst,
  uint32_t numSamples);

	/*
	 * Controller Functions
	 */
void ref_sin_cos_f32(
  float32_t theta,
  float32_t * pSinVal,
  float32_t * pCosVal);

void ref_sin_cos_q31(
  q31_t theta,
  q31_t * pSinVal,
  q31_t * pCosVal);

float32_t ref_pid_f32(
	arm_pid_instance_f32 * S,
	float32_t in);

q31_t ref_pid_q31(
	arm_pid_instance_q31 * S,
	q31_t in);

q15_t ref_pid_q15(
	arm_pid_instance_q15 * S,
	q15_t in);

	/*
	 * Fast Math Functions
	 */
#define ref_sin_f32(a) sinf(a)

q31_t ref_sin_q31(q31_t x);

q15_t ref_sin_q15(q15_t x);

#define ref_cos_f32(a) cosf(a)

q31_t ref_cos_q31(q31_t x);

q15_t ref_cos_q15(q15_t x);

arm_status ref_sqrt_q31(q31_t in, q31_t * pOut);

arm_status ref_sqrt_q15(q15_t in, q15_t * pOut);

	/*
	 * Filtering Functions
	 */
void ref_biquad_cascade_df2T_f32(
	const arm_biquad_cascade_df2T_instance_f32 * S,
	float32_t * pSrc,
	float32_t * pDst,
	uint32_t blockSize);
	
void ref_biquad_cascade_stereo_df2T_f32(
	const arm_biquad_cascade_stereo_df2T_instance_f32 * S,
	float32_t * pSrc,
	float32_t * pDst,
	uint32_t blockSize);
	
void ref_biquad_cascade_df2T_f64(
	const arm_biquad_cascade_df2T_instance_f64 * S,
	float64_t * pSrc,
	float64_t * pDst,
	uint32_t blockSize);

void ref_biquad_cascade_df1_f32(
  const arm_biquad_casd_df1_inst_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);
  
void ref_biquad_cas_df1_32x64_q31(
  const arm_biquad_cas_df1_32x64_ins_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_biquad_cascade_df1_q31(
  const arm_biquad_casd_df1_inst_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_biquad_cascade_df1_fast_q31(
  const arm_biquad_casd_df1_inst_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_biquad_cascade_df1_fast_q15(
  const arm_biquad_casd_df1_inst_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_biquad_cascade_df1_q15(
  const arm_biquad_casd_df1_inst_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_conv_f32(
  float32_t * pSrcA,
  uint32_t 		srcALen,
  float32_t * pSrcB,
  uint32_t 		srcBLen,
  float32_t * pDst);

arm_status ref_conv_partial_f32(
  float32_t * pSrcA,
  uint32_t srcALen,
  float32_t * pSrcB,
  uint32_t srcBLen,
  float32_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);

void ref_conv_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst);

void ref_conv_fast_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst);

arm_status ref_conv_partial_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);

arm_status ref_conv_partial_fast_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);

void ref_conv_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst);

#define ref_conv_opt_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst,  \
                         pScratch1, pScratch2)                  \
    ref_conv_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst)

void ref_conv_fast_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst);
  
void ref_conv_fast_opt_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst,
  q15_t * pScratch1,
  q15_t * pScratch2);

arm_status ref_conv_partial_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);

#define ref_conv_partial_opt_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst,  \
                                 firstIndex, numPoints,                 \
                                 pScratch1, pScratch2)                  \
    ref_conv_partial_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst,          \
                         firstIndex, numPoints)

arm_status ref_conv_partial_fast_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);
  
arm_status ref_conv_partial_fast_opt_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints,
  q15_t * pScratch1,
  q15_t * pScratch2);

void ref_conv_q7(
  q7_t * pSrcA,
  uint32_t srcALen,
  q7_t * pSrcB,
  uint32_t srcBLen,
  q7_t * pDst);

#define ref_conv_opt_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst,   \
                        pScratch1, pScratch2)                   \
    ref_conv_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst)

arm_status ref_conv_partial_q7(
  q7_t * pSrcA,
  uint32_t srcALen,
  q7_t * pSrcB,
  uint32_t srcBLen,
  q7_t * pDst,
  uint32_t firstIndex,
  uint32_t numPoints);

#define ref_conv_partial_opt_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst,   \
                                firstIndex, numPoints,                  \
                                pScratch1, pScratch2)                   \
    ref_conv_partial_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst,           \
                        firstIndex, numPoints)

void ref_correlate_f32(
  float32_t * pSrcA,
  uint32_t srcALen,
  float32_t * pSrcB,
  uint32_t srcBLen,
  float32_t * pDst);

void ref_correlate_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst);

void ref_correlate_fast_q31(
  q31_t * pSrcA,
  uint32_t srcALen,
  q31_t * pSrcB,
  uint32_t srcBLen,
  q31_t * pDst);

void ref_correlate_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst);

#define ref_correlate_opt_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst,  \
                         pScratch1)                                  \
    ref_correlate_q15(pSrcA, srcALen, pSrcB, srcBLen, pDst)

void ref_correlate_fast_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst);

void ref_correlate_fast_opt_q15(
  q15_t * pSrcA,
  uint32_t srcALen,
  q15_t * pSrcB,
  uint32_t srcBLen,
  q15_t * pDst,
  q15_t * pScratch);
    
void ref_correlate_q7(
  q7_t * pSrcA,
  uint32_t srcALen,
  q7_t * pSrcB,
  uint32_t srcBLen,
  q7_t * pDst);

#define ref_correlate_opt_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst,   \
                        pScratch1, pScratch2)                        \
    ref_correlate_q7(pSrcA, srcALen, pSrcB, srcBLen, pDst)

void ref_fir_f32(
	const arm_fir_instance_f32 * S,
	float32_t * pSrc,
	float32_t * pDst,
	uint32_t blockSize);

void ref_fir_q31(
  const arm_fir_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_fast_q31(
  const arm_fir_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_q15(
  const arm_fir_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fir_fast_q15(
  const arm_fir_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fir_q7(
  const arm_fir_instance_q7 * S,
  q7_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_fir_decimate_f32(
  const arm_fir_decimate_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_fir_decimate_q31(
  const arm_fir_decimate_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_decimate_fast_q31(
  const arm_fir_decimate_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_decimate_q15(
  const arm_fir_decimate_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fir_decimate_fast_q15(
  const arm_fir_decimate_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fir_lattice_f32(
  const arm_fir_lattice_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_fir_lattice_q31(
  const arm_fir_lattice_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_lattice_q15(
  const arm_fir_lattice_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fir_sparse_f32(
  arm_fir_sparse_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  float32_t * pScratchIn,
  uint32_t blockSize);

void ref_fir_sparse_q31(
  arm_fir_sparse_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  q31_t * pScratchIn,
  uint32_t blockSize);

void ref_fir_sparse_q15(
  arm_fir_sparse_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  q15_t * pScratchIn,
  q31_t * pScratchOut,
  uint32_t blockSize);

void ref_fir_sparse_q7(
  arm_fir_sparse_instance_q7 * S,
  q7_t *pSrc,
  q7_t *pDst,
  q7_t *pScratchIn,
  q31_t * pScratchOut,
  uint32_t blockSize);

void ref_iir_lattice_f32(
  const arm_iir_lattice_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_iir_lattice_q31(
  const arm_iir_lattice_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_iir_lattice_q15(
  const arm_iir_lattice_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_lms_f32(
  const arm_lms_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pRef,
  float32_t * pOut,
  float32_t * pErr,
  uint32_t blockSize);

void ref_lms_norm_f32(
  arm_lms_norm_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pRef,
  float32_t * pOut,
  float32_t * pErr,
  uint32_t blockSize);

void ref_lms_q31(
  const arm_lms_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pRef,
  q31_t * pOut,
  q31_t * pErr,
  uint32_t blockSize);

void ref_lms_norm_q31(
  arm_lms_norm_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pRef,
  q31_t * pOut,
  q31_t * pErr,
  uint32_t blockSize);

void ref_lms_q15(
  const arm_lms_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pRef,
  q15_t * pOut,
  q15_t * pErr,
  uint32_t blockSize);

void ref_lms_norm_q15(
  arm_lms_norm_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pRef,
  q15_t * pOut,
  q15_t * pErr,
  uint32_t blockSize);

void ref_fir_interpolate_f32(
  const arm_fir_interpolate_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_fir_interpolate_q31(
  const arm_fir_interpolate_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fir_interpolate_q15(
  const arm_fir_interpolate_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

	/*
	 * Matrix Functions
	 */
arm_status ref_mat_cmplx_mult_f32(
  const arm_matrix_instance_f32 * pSrcA,
  const arm_matrix_instance_f32 * pSrcB,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_cmplx_mult_q31(
  const arm_matrix_instance_q31 * pSrcA,
  const arm_matrix_instance_q31 * pSrcB,
  arm_matrix_instance_q31 * pDst);

arm_status ref_mat_cmplx_mult_q15(
  const arm_matrix_instance_q15 * pSrcA,
  const arm_matrix_instance_q15 * pSrcB,
  arm_matrix_instance_q15 * pDst);

arm_status ref_mat_inverse_f32(
  const arm_matrix_instance_f32 * pSrc,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_inverse_f64(
  const arm_matrix_instance_f64 * pSrc,
  arm_matrix_instance_f64 * pDst);

arm_status ref_mat_mult_f32(
  const arm_matrix_instance_f32 * pSrcA,
  const arm_matrix_instance_f32 * pSrcB,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_mult_q31(
  const arm_matrix_instance_q31 * pSrcA,
  const arm_matrix_instance_q31 * pSrcB,
  arm_matrix_instance_q31 * pDst);

/* Alias for testing purposes*/
#define ref_mat_mult_fast_q31 ref_mat_mult_q31

arm_status ref_mat_mult_q15(
  const arm_matrix_instance_q15 * pSrcA,
  const arm_matrix_instance_q15 * pSrcB,
  arm_matrix_instance_q15 * pDst);

/* Alias for testing purposes*/
#define ref_mat_mult_fast_q15 ref_mat_mult_q15

arm_status ref_mat_scale_f32(
  const arm_matrix_instance_f32 * pSrc,
  float32_t scale,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_scale_q31(
  const arm_matrix_instance_q31 * pSrc,
  q31_t scale,
  int32_t shift,
  arm_matrix_instance_q31 * pDst);

arm_status ref_mat_scale_q15(
  const arm_matrix_instance_q15 * pSrc,
  q15_t scale,
  int32_t shift,
  arm_matrix_instance_q15 * pDst);

arm_status ref_mat_sub_f32(
  const arm_matrix_instance_f32 * pSrcA,
  const arm_matrix_instance_f32 * pSrcB,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_sub_q31(
  const arm_matrix_instance_q31 * pSrcA,
  const arm_matrix_instance_q31 * pSrcB,
  arm_matrix_instance_q31 * pDst);

arm_status ref_mat_sub_q15(
  const arm_matrix_instance_q15 * pSrcA,
  const arm_matrix_instance_q15 * pSrcB,
  arm_matrix_instance_q15 * pDst);

arm_status ref_mat_trans_f64(
  const arm_matrix_instance_f64 * pSrc,
  arm_matrix_instance_f64 * pDst);

arm_status ref_mat_trans_f32(
  const arm_matrix_instance_f32 * pSrc,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_trans_q31(
  const arm_matrix_instance_q31 * pSrc,
  arm_matrix_instance_q31 * pDst);

arm_status ref_mat_trans_q15(
  const arm_matrix_instance_q15 * pSrc,
  arm_matrix_instance_q15 * pDst);

arm_status ref_mat_add_f32(
  const arm_matrix_instance_f32 * pSrcA,
  const arm_matrix_instance_f32 * pSrcB,
  arm_matrix_instance_f32 * pDst);

arm_status ref_mat_add_q31(
  const arm_matrix_instance_q31 * pSrcA,
  const arm_matrix_instance_q31 * pSrcB,
  arm_matrix_instance_q31 * pDst);

arm_status ref_mat_add_q15(
  const arm_matrix_instance_q15 * pSrcA,
  const arm_matrix_instance_q15 * pSrcB,
  arm_matrix_instance_q15 * pDst);

	/*
	 * Statistics Functions
	 */
void ref_max_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult,
  uint32_t * pIndex);

void ref_max_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult,
  uint32_t * pIndex);

void ref_max_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult,
  uint32_t * pIndex);

void ref_max_q7(
  q7_t * pSrc,
  uint32_t blockSize,
  q7_t * pResult,
  uint32_t * pIndex);

void ref_mean_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult);

void ref_mean_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult);

void ref_mean_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult);

void ref_mean_q7(
  q7_t * pSrc,
  uint32_t blockSize,
  q7_t * pResult);

void ref_min_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult,
  uint32_t * pIndex);

void ref_min_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult,
  uint32_t * pIndex);

void ref_min_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult,
  uint32_t * pIndex);

void ref_min_q7(
  q7_t * pSrc,
  uint32_t blockSize,
  q7_t * pResult,
  uint32_t * pIndex);

void ref_power_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult);

void ref_power_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q63_t * pResult);

void ref_power_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q63_t * pResult);

void ref_power_q7(
  q7_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult);

void ref_rms_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult);

void ref_rms_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult);

void ref_rms_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult);

void ref_std_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult);

void ref_std_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult);

void ref_std_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult);

void ref_var_f32(
  float32_t * pSrc,
  uint32_t blockSize,
  float32_t * pResult);

void ref_var_q31(
  q31_t * pSrc,
  uint32_t blockSize,
  q31_t * pResult);

void ref_var_q15(
  q15_t * pSrc,
  uint32_t blockSize,
  q15_t * pResult);

	/*
	 * Support Functions
	 */
void ref_copy_f32(
  float32_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_copy_q31(
  q31_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_copy_q15(
  q15_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_copy_q7(
  q7_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_fill_f32(
  float32_t value,
  float32_t * pDst,
  uint32_t blockSize);

void ref_fill_q31(
  q31_t value,
  q31_t * pDst,
  uint32_t blockSize);

void ref_fill_q15(
  q15_t value,
  q15_t * pDst,
  uint32_t blockSize);

void ref_fill_q7(
  q7_t value,
  q7_t * pDst,
  uint32_t blockSize);

void ref_q31_to_q15(
  q31_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_q31_to_q7(
  q31_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_q15_to_q31(
  q15_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_q15_to_q7(
  q15_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

void ref_q7_to_q31(
  q7_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_q7_to_q15(
  q7_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_q63_to_float(
  q63_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_q31_to_float(
  q31_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_q15_to_float(
  q15_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_q7_to_float(
  q7_t * pSrc,
  float32_t * pDst,
  uint32_t blockSize);

void ref_float_to_q31(
  float32_t * pSrc,
  q31_t * pDst,
  uint32_t blockSize);

void ref_float_to_q15(
  float32_t * pSrc,
  q15_t * pDst,
  uint32_t blockSize);

void ref_float_to_q7(
  float32_t * pSrc,
  q7_t * pDst,
  uint32_t blockSize);

	/*
	 * Transform Functions
	 */
void ref_cfft_f32(
   const arm_cfft_instance_f32 * S,
   float32_t * p1,
   uint8_t ifftFlag,
   uint8_t bitReverseFlag);
	 
void ref_cfft_q31(
	const arm_cfft_instance_q31 * S,
    q31_t * p1,
    uint8_t ifftFlag,
    uint8_t bitReverseFlag);
	 
void ref_cfft_q15(
	const arm_cfft_instance_q15 * S,
    q15_t * p1,
    uint8_t ifftFlag,
    uint8_t bitReverseFlag);

void ref_cfft_radix2_f32(
	const arm_cfft_radix2_instance_f32 * S,
	float32_t * pSrc);

void ref_cfft_radix2_q31(
	const arm_cfft_radix2_instance_q31 * S,
	q31_t * pSrc);

void ref_cfft_radix2_q15(
	const arm_cfft_radix2_instance_q15 * S,
	q15_t * pSrc);

void ref_cfft_radix4_f32(
	const arm_cfft_radix4_instance_f32 * S,
	float32_t * pSrc);

void ref_cfft_radix4_q31(
	const arm_cfft_radix4_instance_q31 * S,
	q31_t * pSrc);

void ref_cfft_radix4_q15(
	const arm_cfft_radix4_instance_q15 * S,
	q15_t * pSrc);

void ref_rfft_f32(
	arm_rfft_instance_f32 * S,
  float32_t * pSrc,
  float32_t * pDst);

void ref_rfft_fast_f32(
	arm_rfft_fast_instance_f32 * S,
	float32_t * p, float32_t * pOut,
	uint8_t ifftFlag);

void ref_rfft_q31(
  const arm_rfft_instance_q31 * S,
  q31_t * pSrc,
  q31_t * pDst);

void ref_rfft_q15(
  const arm_rfft_instance_q15 * S,
  q15_t * pSrc,
  q15_t * pDst);

void ref_dct4_f32(
  const arm_dct4_instance_f32 * S,
  float32_t * pState,
  float32_t * pInlineBuffer);

void ref_dct4_q31(
  const arm_dct4_instance_q31 * S,
  q31_t * pState,
  q31_t * pInlineBuffer);

void ref_dct4_q15(
  const arm_dct4_instance_q15 * S,
  q15_t * pState,
  q15_t * pInlineBuffer);

	/*
	 * Intrinsics
	 */
q31_t ref__QADD8(q31_t x, q31_t y);
q31_t ref__QSUB8(q31_t x, q31_t y);
q31_t ref__QADD16(q31_t x, q31_t y);
q31_t ref__SHADD16(q31_t x, q31_t y);
q31_t ref__QSUB16(q31_t x, q31_t y);
q31_t ref__SHSUB16(q31_t x, q31_t y);
q31_t ref__QASX(q31_t x, q31_t y);
q31_t ref__SHASX(q31_t x, q31_t y);
q31_t ref__QSAX(q31_t x, q31_t y);
q31_t ref__SHSAX(q31_t x, q31_t y);
q31_t ref__SMUSDX(q31_t x, q31_t y);
q31_t ref__SMUADX(q31_t x, q31_t y);
q31_t ref__QADD(q31_t x, q31_t y);
q31_t ref__QSUB(q31_t x, q31_t y);
q31_t ref__SMLAD(q31_t x, q31_t y, q31_t sum);
q31_t ref__SMLADX(q31_t x, q31_t y, q31_t sum);
q31_t ref__SMLSDX(q31_t x, q31_t y, q31_t sum);
q63_t ref__SMLALD(q31_t x, q31_t y, q63_t sum);
q63_t ref__SMLALDX(q31_t x, q31_t y, q63_t sum);
q31_t ref__SMUAD(q31_t x, q31_t y);
q31_t ref__SMUSD(q31_t x, q31_t y);
q31_t ref__SXTB16(q31_t x);

#ifdef	__cplusplus
}
#endif

#endif