volk_64f_convert_32f.h

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/* -*- c++ -*- */
/*
 * Copyright 2012, 2014 Free Software Foundation, Inc.
 *
 * This file is part of VOLK
 *
 * SPDX-License-Identifier: LGPL-3.0-or-later
 */
 
#ifndef INCLUDED_volk_64f_convert_32f_u_H
#define INCLUDED_volk_64f_convert_32f_u_H
 
#include <inttypes.h>
#include <stdio.h>
 
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
 
static inline void volk_64f_convert_32f_u_avx512f(float* outputVector,
                                                  const double* inputVector,
                                                  unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int oneSixteenthPoints = num_points / 16;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m256 ret1, ret2;
    __m512d inputVal1, inputVal2;
 
    for (; number < oneSixteenthPoints; number++) {
        inputVal1 = _mm512_loadu_pd(inputVectorPtr);
        inputVectorPtr += 8;
        inputVal2 = _mm512_loadu_pd(inputVectorPtr);
        inputVectorPtr += 8;
 
        ret1 = _mm512_cvtpd_ps(inputVal1);
        ret2 = _mm512_cvtpd_ps(inputVal2);
 
        _mm256_storeu_ps(outputVectorPtr, ret1);
        outputVectorPtr += 8;
 
        _mm256_storeu_ps(outputVectorPtr, ret2);
        outputVectorPtr += 8;
    }
 
    number = oneSixteenthPoints * 16;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_AVX512F */
 
 
#ifdef LV_HAVE_AVX
#include <immintrin.h>
 
static inline void volk_64f_convert_32f_u_avx(float* outputVector,
                                              const double* inputVector,
                                              unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int oneEightPoints = num_points / 8;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m128 ret1, ret2;
    __m256d inputVal1, inputVal2;
 
    for (; number < oneEightPoints; number++) {
        inputVal1 = _mm256_loadu_pd(inputVectorPtr);
        inputVectorPtr += 4;
        inputVal2 = _mm256_loadu_pd(inputVectorPtr);
        inputVectorPtr += 4;
 
        ret1 = _mm256_cvtpd_ps(inputVal1);
        ret2 = _mm256_cvtpd_ps(inputVal2);
 
        _mm_storeu_ps(outputVectorPtr, ret1);
        outputVectorPtr += 4;
 
        _mm_storeu_ps(outputVectorPtr, ret2);
        outputVectorPtr += 4;
    }
 
    number = oneEightPoints * 8;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_AVX */
 
 
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
 
static inline void volk_64f_convert_32f_u_sse2(float* outputVector,
                                               const double* inputVector,
                                               unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int quarterPoints = num_points / 4;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m128 ret, ret2;
    __m128d inputVal1, inputVal2;
 
    for (; number < quarterPoints; number++) {
        inputVal1 = _mm_loadu_pd(inputVectorPtr);
        inputVectorPtr += 2;
        inputVal2 = _mm_loadu_pd(inputVectorPtr);
        inputVectorPtr += 2;
 
        ret = _mm_cvtpd_ps(inputVal1);
        ret2 = _mm_cvtpd_ps(inputVal2);
 
        ret = _mm_movelh_ps(ret, ret2);
 
        _mm_storeu_ps(outputVectorPtr, ret);
        outputVectorPtr += 4;
    }
 
    number = quarterPoints * 4;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_SSE2 */
 
 
#ifdef LV_HAVE_GENERIC
 
static inline void volk_64f_convert_32f_generic(float* outputVector,
                                                const double* inputVector,
                                                unsigned int num_points)
{
    float* outputVectorPtr = outputVector;
    const double* inputVectorPtr = inputVector;
    unsigned int number = 0;
 
    for (number = 0; number < num_points; number++) {
        *outputVectorPtr++ = ((float)(*inputVectorPtr++));
    }
}
#endif /* LV_HAVE_GENERIC */
 
 
#endif /* INCLUDED_volk_64f_convert_32f_u_H */
#ifndef INCLUDED_volk_64f_convert_32f_a_H
#define INCLUDED_volk_64f_convert_32f_a_H
 
#include <inttypes.h>
#include <stdio.h>
 
#ifdef LV_HAVE_AVX512F
#include <immintrin.h>
 
static inline void volk_64f_convert_32f_a_avx512f(float* outputVector,
                                                  const double* inputVector,
                                                  unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int oneSixteenthPoints = num_points / 16;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m256 ret1, ret2;
    __m512d inputVal1, inputVal2;
 
    for (; number < oneSixteenthPoints; number++) {
        inputVal1 = _mm512_load_pd(inputVectorPtr);
        inputVectorPtr += 8;
        inputVal2 = _mm512_load_pd(inputVectorPtr);
        inputVectorPtr += 8;
 
        ret1 = _mm512_cvtpd_ps(inputVal1);
        ret2 = _mm512_cvtpd_ps(inputVal2);
 
        _mm256_store_ps(outputVectorPtr, ret1);
        outputVectorPtr += 8;
 
        _mm256_store_ps(outputVectorPtr, ret2);
        outputVectorPtr += 8;
    }
 
    number = oneSixteenthPoints * 16;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_AVX512F */
 
 
#ifdef LV_HAVE_AVX
#include <immintrin.h>
 
static inline void volk_64f_convert_32f_a_avx(float* outputVector,
                                              const double* inputVector,
                                              unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int oneEightPoints = num_points / 8;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m128 ret1, ret2;
    __m256d inputVal1, inputVal2;
 
    for (; number < oneEightPoints; number++) {
        inputVal1 = _mm256_load_pd(inputVectorPtr);
        inputVectorPtr += 4;
        inputVal2 = _mm256_load_pd(inputVectorPtr);
        inputVectorPtr += 4;
 
        ret1 = _mm256_cvtpd_ps(inputVal1);
        ret2 = _mm256_cvtpd_ps(inputVal2);
 
        _mm_store_ps(outputVectorPtr, ret1);
        outputVectorPtr += 4;
 
        _mm_store_ps(outputVectorPtr, ret2);
        outputVectorPtr += 4;
    }
 
    number = oneEightPoints * 8;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_AVX */
 
 
#ifdef LV_HAVE_SSE2
#include <emmintrin.h>
 
static inline void volk_64f_convert_32f_a_sse2(float* outputVector,
                                               const double* inputVector,
                                               unsigned int num_points)
{
    unsigned int number = 0;
 
    const unsigned int quarterPoints = num_points / 4;
 
    const double* inputVectorPtr = (const double*)inputVector;
    float* outputVectorPtr = outputVector;
    __m128 ret, ret2;
    __m128d inputVal1, inputVal2;
 
    for (; number < quarterPoints; number++) {
        inputVal1 = _mm_load_pd(inputVectorPtr);
        inputVectorPtr += 2;
        inputVal2 = _mm_load_pd(inputVectorPtr);
        inputVectorPtr += 2;
 
        ret = _mm_cvtpd_ps(inputVal1);
        ret2 = _mm_cvtpd_ps(inputVal2);
 
        ret = _mm_movelh_ps(ret, ret2);
 
        _mm_store_ps(outputVectorPtr, ret);
        outputVectorPtr += 4;
    }
 
    number = quarterPoints * 4;
    for (; number < num_points; number++) {
        outputVector[number] = (float)(inputVector[number]);
    }
}
#endif /* LV_HAVE_SSE2 */
 
 
#ifdef LV_HAVE_GENERIC
 
static inline void volk_64f_convert_32f_a_generic(float* outputVector,
                                                  const double* inputVector,
                                                  unsigned int num_points)
{
    float* outputVectorPtr = outputVector;
    const double* inputVectorPtr = inputVector;
    unsigned int number = 0;
 
    for (number = 0; number < num_points; number++) {
        *outputVectorPtr++ = ((float)(*inputVectorPtr++));
    }
}
#endif /* LV_HAVE_GENERIC */
 
 
#endif /* INCLUDED_volk_64f_convert_32f_a_H */