#ifndef INCLUDED_volk_32f_x2_add_32f_u_H
#define INCLUDED_volk_32f_x2_add_32f_u_H

#include <inttypes.h>
#include <stdio.h>

#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
/*!
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
static inline void volk_32f_x2_add_32f_u_sse(float* cVector, const float* aVector, const float* bVector, unsigned int num_points){
    unsigned int number = 0;
    const unsigned int quarterPoints = num_points / 4;

    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr=  bVector;

    __m128 aVal, bVal, cVal;
    for(;number < quarterPoints; number++){

      aVal = _mm_loadu_ps(aPtr);
      bVal = _mm_loadu_ps(bPtr);

      cVal = _mm_add_ps(aVal, bVal);

      _mm_storeu_ps(cPtr,cVal); // Store the results back into the C container

      aPtr += 4;
      bPtr += 4;
      cPtr += 4;
    }

    number = quarterPoints * 4;
    for(;number < num_points; number++){
      *cPtr++ = (*aPtr++) + (*bPtr++);
    }
}
#endif /* LV_HAVE_SSE */

#ifdef LV_HAVE_GENERIC
/*!
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
static inline void volk_32f_x2_add_32f_generic(float* cVector, const float* aVector, const float* bVector, unsigned int num_points){
    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr=  bVector;
    unsigned int number = 0;

    for(number = 0; number < num_points; number++){
      *cPtr++ = (*aPtr++) + (*bPtr++);
    }
}
#endif /* LV_HAVE_GENERIC */

#endif /* INCLUDED_volk_32f_x2_add_32f_u_H */
#ifndef INCLUDED_volk_32f_x2_add_32f_a_H
#define INCLUDED_volk_32f_x2_add_32f_a_H

#include <inttypes.h>
#include <stdio.h>

#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
/*!
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
static inline void volk_32f_x2_add_32f_a_sse(float* cVector, const float* aVector, const float* bVector, unsigned int num_points){
    unsigned int number = 0;
    const unsigned int quarterPoints = num_points / 4;

    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr=  bVector;

    __m128 aVal, bVal, cVal;
    for(;number < quarterPoints; number++){

      aVal = _mm_load_ps(aPtr);
      bVal = _mm_load_ps(bPtr);

      cVal = _mm_add_ps(aVal, bVal);

      _mm_store_ps(cPtr,cVal); // Store the results back into the C container

      aPtr += 4;
      bPtr += 4;
      cPtr += 4;
    }

    number = quarterPoints * 4;
    for(;number < num_points; number++){
      *cPtr++ = (*aPtr++) + (*bPtr++);
    }
}
#endif /* LV_HAVE_SSE */

#ifdef LV_HAVE_NEON
#include <arm_neon.h>
/*
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
static inline void volk_32f_x2_add_32f_u_neon(float* cVector, const float* aVector, const float* bVector, unsigned int num_points) {
    unsigned int number = 0;
    const unsigned int quarterPoints = num_points / 4;

    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr=  bVector;
    float32x4_t aVal, bVal, cVal;
    for(number=0; number < quarterPoints; number++){
      // Load in to NEON registers
      aVal = vld1q_f32(aPtr);
      bVal = vld1q_f32(bPtr);
      __builtin_prefetch(aPtr+4);
      __builtin_prefetch(bPtr+4);

      // vector add
      cVal = vaddq_f32(aVal, bVal);
      // Store the results back into the C container
      vst1q_f32(cPtr,cVal); 

      aPtr += 4; // q uses quadwords, 4 floats per vadd
      bPtr += 4;
      cPtr += 4;
    }

    number = quarterPoints * 4; // should be = num_points
    for(;number < num_points; number++){
      *cPtr++ = (*aPtr++) + (*bPtr++);
    }

}

#endif /* LV_HAVE_NEON */

#ifdef LV_HAVE_GENERIC
/*!
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
static inline void volk_32f_x2_add_32f_a_generic(float* cVector, const float* aVector, const float* bVector, unsigned int num_points){
    float* cPtr = cVector;
    const float* aPtr = aVector;
    const float* bPtr=  bVector;
    unsigned int number = 0;

    for(number = 0; number < num_points; number++){
      *cPtr++ = (*aPtr++) + (*bPtr++);
    }
}
#endif /* LV_HAVE_GENERIC */

#ifdef LV_HAVE_ORC
/*!
  \brief Adds the two input vectors and store their results in the third vector
  \param cVector The vector where the results will be stored
  \param aVector One of the vectors to be added
  \param bVector One of the vectors to be added
  \param num_points The number of values in aVector and bVector to be added together and stored into cVector
*/
extern void volk_32f_x2_add_32f_a_orc_impl(float* cVector, const float* aVector, const float* bVector, unsigned int num_points);
static inline void volk_32f_x2_add_32f_u_orc(float* cVector, const float* aVector, const float* bVector, unsigned int num_points){
    volk_32f_x2_add_32f_a_orc_impl(cVector, aVector, bVector, num_points);
}
#endif /* LV_HAVE_ORC */


#endif /* INCLUDED_volk_32f_x2_add_32f_a_H */
