real_128bit_BLOCK_template.c

//    This file is part of ELPA.
//
//    The ELPA library was originally created by the ELPA consortium,
//    consisting of the following organizations:
//
//    - Max Planck Computing and Data Facility (MPCDF), formerly known as
//      Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
//    - Bergische Universität Wuppertal, Lehrstuhl für angewandte
//      Informatik,
//    - Technische Universität München, Lehrstuhl für Informatik mit
//      Schwerpunkt Wissenschaftliches Rechnen ,
//    - Fritz-Haber-Institut, Berlin, Abt. Theorie,
//    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
//      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
//      and
//    - IBM Deutschland GmbH
//
//
//    This particular source code file contains additions, changes and
//    enhancements authored by Intel Corporation which is not part of
//    the ELPA consortium.
//
//    More information can be found here:
//    http://elpa.mpcdf.mpg.de/
//
//    ELPA is free software: you can redistribute it and/or modify
//    it under the terms of the version 3 of the license of the
//    GNU Lesser General Public License as published by the Free
//    Software Foundation.
//
//    ELPA is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU Lesser General Public License for more details.
//
//    You should have received a copy of the GNU Lesser General Public License
//    along with ELPA. If not, see <http://www.gnu.org/licenses/>
//
//    ELPA reflects a substantial effort on the part of the original
//    ELPA consortium, and we ask you to respect the spirit of the
//    license that we chose: i.e., please contribute any changes you
//    may have back to the original ELPA library distribution, and keep
//    any derivatives of ELPA under the same license that we chose for
//    the original distribution, the GNU Lesser General Public License.
//
// Author: Andreas Marek, MPCDF, based on the double precision case of A. Heinecke
//
#include "config-f90.h"

#define CONCAT_8ARGS(a, b, c, d, e, f, g, h) CONCAT2_8ARGS(a, b, c, d, e, f, g, h)
#define CONCAT2_8ARGS(a, b, c, d, e, f, g, h) a ## b ## c ## d ## e ## f ## g ## h

#define CONCAT_7ARGS(a, b, c, d, e, f, g) CONCAT2_7ARGS(a, b, c, d, e, f, g)
#define CONCAT2_7ARGS(a, b, c, d, e, f, g) a ## b ## c ## d ## e ## f ## g

#define CONCAT_6ARGS(a, b, c, d, e, f) CONCAT2_6ARGS(a, b, c, d, e, f)
#define CONCAT2_6ARGS(a, b, c, d, e, f) a ## b ## c ## d ## e ## f

#define CONCAT_5ARGS(a, b, c, d, e) CONCAT2_5ARGS(a, b, c, d, e)
#define CONCAT2_5ARGS(a, b, c, d, e) a ## b ## c ## d ## e

#define CONCAT_4ARGS(a, b, c, d) CONCAT2_4ARGS(a, b, c, d)
#define CONCAT2_4ARGS(a, b, c, d) a ## b ## c ## d

#define CONCAT_3ARGS(a, b, c) CONCAT2_3ARGS(a, b, c)
#define CONCAT2_3ARGS(a, b, c) a ## b ## c

#if VEC_SET == 128 || VEC_SET == 256 || VEC_SET == 512
#include <x86intrin.h>
#endif
#if VEC_SET == 1281
#include <fjmfunc.h>
#include <emmintrin.h>
#endif
#include <stdio.h>
#include <stdlib.h>

#ifdef BLOCK6
#define PREFIX hexa
#define BLOCK 6
#endif

#ifdef BLOCK4
#define PREFIX quad
#define BLOCK 4
#endif

#ifdef BLOCK2
#define PREFIX double
#define BLOCK 2
#endif

#if VEC_SET == 128
#define SIMD_SET SSE
#endif

#if VEC_SET == 1281
#define SIMD_SET SPARC64
#endif

#if VEC_SET == 256
#define SIMD_SET AVX_AVX2
#endif

#define __forceinline __attribute__((always_inline)) static

#if VEC_SET == 128 || VEC_SET == 1281
#ifdef DOUBLE_PRECISION_REAL
#define offset 2
#define __SIMD_DATATYPE __m128d
#define _SIMD_LOAD _mm_load_pd
#define _SIMD_STORE _mm_store_pd
#define _SIMD_ADD _mm_add_pd
#define _SIMD_MUL _mm_mul_pd
#define _SIMD_SUB _mm_sub_pd
#define _SIMD_XOR _mm_xor_pd
#if VEC_SET == 128
#define _SIMD_SET _mm_set_pd
#define _SIMD_SET1 _mm_set1_pd
#endif
#endif /* DOUBLE_PRECISION_REAL */
#ifdef SINGLE_PRECISION_REAL
#define offset 4
#define __SIMD_DATATYPE __m128
#define _SIMD_LOAD _mm_load_ps
#define _SIMD_STORE _mm_store_ps
#define _SIMD_ADD _mm_add_ps
#define _SIMD_MUL _mm_mul_ps
#define _SIMD_SUB _mm_sub_ps
#define _SIMD_XOR _mm_xor_ps
#if VEC_SET == 128
#define _SIMD_SET _mm_set_ps
#define _SIMD_SET1 _mm_set1_ps
#endif 
#endif /* SINGLE_PRECISION_REAL */
#endif /* VEC_SET == 128 || VEC_SET == 1281 */

#if VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#define offset 4
#define __SIMD_DATATYPE __m256d
#define _SIMD_LOAD _mm256_load_pd
#define _SIMD_STORE _mm256_store_pd
#define _SIMD_ADD _mm256_add_pd
#define _SIMD_MUL _mm256_mul_pd
#define _SIMD_SUB _mm256_sub_pd
#define _SIMD_SET1 _mm256_set1_pd
#define _SIMD_XOR _mm256_xor_pd
#define _SIMD_BROADCAST _mm256_broadcast_sd
#ifdef HAVE_AVX2
#ifdef __FMA4__
#define __ELPA_USE_FMA__
#define _mm256_FMA_pd(a,b,c) _mm256_macc_pd(a,b,c)
#define _mm256_NFMA_pd(a,b,c) _mm256_nmacc_pd(a,b,c)
#error "This should be prop _mm256_msub_pd instead of _mm256_msub"
#define _mm256_FMSUB_pd(a,b,c) _mm256_msub(a,b,c)
#endif /* __FMA4__ */
#ifdef __AVX2__
#define __ELPA_USE_FMA__
#define _mm256_FMA_pd(a,b,c) _mm256_fmadd_pd(a,b,c)
#define _mm256_NFMA_pd(a,b,c) _mm256_fnmadd_pd(a,b,c)
#define _mm256_FMSUB_pd(a,b,c) _mm256_fmsub_pd(a,b,c)
#endif /* __AVX2__ */
#ifdef __ELPA_USE_FMA__
#define _SIMD_FMA _mm256_FMA_pd
#define _SIMD_NFMA _mm256_NFMA_pd
#define _SIMD_FMSUB _mm256_FMSUB_pd
#endif
#endif /* HAVE_AVX2 */
#endif /* DOUBLE_PRECISION_REAL */

#ifdef SINGLE_PRECISION_REAL
#define offset 8
#define __SIMD_DATATYPE __m256
#define _SIMD_LOAD _mm256_load_ps
#define _SIMD_STORE _mm256_store_ps
#define _SIMD_ADD _mm256_add_ps
#define _SIMD_MUL _mm256_mul_ps
#define _SIMD_SUB _mm256_sub_ps
#define _SIMD_SET1 _mm256_set1_ps
#define _SIMD_XOR _mm256_xor_ps
#define _SIMD_BROADCAST _mm256_broadcast_ss
#ifdef HAVE_AVX2
#ifdef __FMA4__
#define __ELPA_USE_FMA__
#define _mm256_FMA_ps(a,b,c) _mm256_macc_ps(a,b,c)
#define _mm256_NFMA_ps(a,b,c) _mm256_nmacc_ps(a,b,c)
#error "This should be prop _mm256_msub_ps instead of _mm256_msub"
#define _mm256_FMSUB_ps(a,b,c) _mm256_msub(a,b,c)
#endif /* __FMA4__ */
#ifdef __AVX2__
#define __ELPA_USE_FMA__
#define _mm256_FMA_ps(a,b,c) _mm256_fmadd_ps(a,b,c)
#define _mm256_NFMA_ps(a,b,c) _mm256_fnmadd_ps(a,b,c)
#define _mm256_FMSUB_ps(a,b,c) _mm256_fmsub_ps(a,b,c)
#endif /* __AVX2__ */
#ifdef __ELPA_USE_FMA__
#define _SIMD_FMA _mm256_FMA_ps
#define _SIMD_NFMA _mm256_NFMA_ps
#define _SIMD_FMSUB _mm256_FMSUB_ps
#endif
#endif /* HAVE_AVX2 */
#endif /* SINGLE_PRECISION_REAL */
#endif /* VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#define offset 8
#define __SIMD_DATATYPE __m512d
#define __SIMD_INTEGER  __m512i
#define _SIMD_LOAD _mm512_load_pd
#define _SIMD_STORE _mm512_store_pd
#define _SIMD_ADD _mm512_add_pd
#define _SIMD_MUL _mm512_mul_pd
#define _SIMD_SUB _mm512_sub_pd
#define _SIMD_SET1 _mm512_set1_pd
#ifdef HAVE_AVX512_XEON
#define _SIMD_XOR _mm512_xor_pd
#endif
#ifdef HAVE_AVX512
#define __ELPA_USE_FMA__
#define _mm512_FMA_pd(a,b,c) _mm512_fmadd_pd(a,b,c)
#ifdef __ELPA_USE_FMA__
#define _SIMD_FMA _mm512_FMA_pd
#endif
#endif /* HAVE_AVX512 */
#endif /* DOUBLE_PRECISION_REAL */

#ifdef SINGLE_PRECISION_REAL
#define offset 16
#define __SIMD_DATATYPE __m512
#define __SIMD_INTEGER  __m512i
#define _SIMD_LOAD _mm512_load_ps
#define _SIMD_STORE _mm512_store_ps
#define _SIMD_ADD _mm512_add_ps
#define _SIMD_MUL _mm512_mul_ps
#define _SIMD_SUB _mm512_sub_ps
#define _SIMD_SET1 _mm512_set1_ps
#ifdef HAVE_AVX512_XEON
#define _SIMD_XOR _mm512_xor_ps
#endif
#ifdef HAVE_AVX512
#define __ELPA_USE_FMA__
#define _mm512_FMA_ps(a,b,c) _mm512_fmadd_ps(a,b,c)
#ifdef __ELPA_USE_FMA__
#define _SIMD_FMA _mm512_FMA_ps
#endif
#endif /* HAVE_AVX512 */
#endif /* SINGLE_PRECISION_REAL */
#endif /* VEC_SET == 512 */

#ifdef DOUBLE_PRECISION_REAL
#define WORD_LENGTH double
#define DATA_TYPE double
#define DATA_TYPE_PTR double*
#endif
#ifdef SINGLE_PRECISION_REAL
#define WORD_LENGTH single
#define DATA_TYPE float
#define DATA_TYPE_PTR float*
#endif

#if VEC_SET == 128
#undef __AVX__
#endif


#if VEC_SET == 128 || VEC_SET == 1281
//Forward declaration
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 2
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 4
#endif
#endif /* VEC_SET == 128 || VEC_SET == 1281 */

#if VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 4
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 8
#endif
#endif /* VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 8
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 16
#endif
#endif /* VEC_SET == 512 */
__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh, 
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

#if VEC_SET == 128 || VEC_SET == 1281
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 4
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 8
#endif
#endif /* VEC_SET == 128 || VEC_SET == 1281 */

#if VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 8
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 16
#endif
#endif /* VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 16
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 32
#endif
#endif /* VEC_SET == 512 */
__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh, 
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

#if VEC_SET == 128 || VEC_SET == 1281 
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 6
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 12
#endif
#endif /* VEC_SET == 128 || VEC_SET == 1281  */

#if VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 12
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 24
#endif
#endif /* VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 24
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 48
#endif
#endif /* VEC_SET == 512 */

__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh,
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

#if VEC_SET == 128 || VEC_SET == 1281 
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 8
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 16
#endif
#endif /* VEC_SET == 128 || VEC_SET == 1281  */

#if VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 16
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 32
#endif
#endif /* VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 32
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 64
#endif
#endif /* VEC_SET == 512 */

__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh, 
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

#if  VEC_SET == 128 || VEC_SET == 1281
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 10
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 20
#endif
#endif /*  VEC_SET == 128 || VEC_SET == 1281 */

#if  VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 20
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 40
#endif
#endif /*  VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 40
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 80
#endif
#endif /* VEC_SET == 512 */

__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh, 
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

#if  VEC_SET == 128 || VEC_SET == 1281
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 12
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 24
#endif
#endif /* VEC_SET == 128 || VEC_SET == 1281 */

#if  VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 24
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 48
#endif
#endif /*  VEC_SET == 256 */

#if VEC_SET == 512
#ifdef DOUBLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 48
#endif
#ifdef SINGLE_PRECISION_REAL
#undef ROW_LENGTH
#define ROW_LENGTH 96
#endif
#endif /* VEC_SET == 512 */

__forceinline void CONCAT_8ARGS(hh_trafo_kernel_,ROW_LENGTH,_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int nb, int ldq, int ldh,
#ifdef BLOCK2
	DATA_TYPE s);
#endif
#ifdef BLOCK4
	DATA_TYPE s_1_2, DATA_TYPE s_1_3, DATA_TYPE s_2_3, DATA_TYPE s_1_4, DATA_TYPE s_2_4, DATA_TYPE s_3_4);
#endif
#ifdef BLOCK6
	DATA_TYPE_PTR scalarprods);
#endif

void CONCAT_7ARGS(PREFIX,_hh_trafo_real_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int* pnb, int* pnq, int* pldq, int* pldh);

/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine double_hh_trafo_real_SSE_2hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="double_hh_trafo_real_SSE_2hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine double_hh_trafo_real_SSE_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="double_hh_trafo_real_SSE_2hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_float)  :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine double_hh_trafo_real_SPARC64_2hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="double_hh_trafo_real_SPARC64_2hv_double")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_double) :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine double_hh_trafo_real_SPARC64_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="double_hh_trafo_real_SPARC64_2hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_float)  :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine double_hh_trafo_real_AVX_AVX2_2hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="double_hh_trafo_real_AVX_AVX2_2hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine double_hh_trafo_real_AVX_AVX2_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="double_hh_trafo_real_AVX_AVX2_2hv_single")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)       :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_float)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#if defined(HAVE_AVX512)
!f> interface
!f>   subroutine double_hh_trafo_real_AVX512_2hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                             bind(C, name="double_hh_trafo_real_AVX512_2hv_double")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int)     :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value      :: q
!f>     real(kind=c_double)     :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#if defined(HAVE_AVX512)
!f> interface
!f>   subroutine double_hh_trafo_real_AVX512_2hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>                             bind(C, name="double_hh_trafo_real_AVX512_2hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int)     :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value      :: q
!f>     real(kind=c_float)      :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine quad_hh_trafo_real_SSE_4hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="quad_hh_trafo_real_SSE_4hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine quad_hh_trafo_real_SSE_4hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="quad_hh_trafo_real_SSE_4hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_float)  :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine quad_hh_trafo_real_SPARC64_4hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="quad_hh_trafo_real_SPARC64_4hv_double")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_double) :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine quad_hh_trafo_real_SPARC64_4hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="quad_hh_trafo_real_SPARC64_4hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_float)  :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine quad_hh_trafo_real_AVX_AVX2_4hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="quad_hh_trafo_real_AVX_AVX2_4hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine quad_hh_trafo_real_AVX_AVX2_4hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>              bind(C, name="quad_hh_trafo_real_AVX_AVX2_4hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int) :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value  :: q
!f>     real(kind=c_float)  :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine hexa_hh_trafo_real_sse_6hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="hexa_hh_trafo_real_SSE_6hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine hexa_hh_trafo_real_sparc64_6hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="hexa_hh_trafo_real_SPARC64_6hv_double")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_double)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#ifdef HAVE_SSE_INTRINSICS
!f> interface
!f>   subroutine hexa_hh_trafo_real_sse_6hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="hexa_hh_trafo_real_SSE_6hv_single")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_float)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#ifdef HAVE_SPARC64_SSE
!f> interface
!f>   subroutine hexa_hh_trafo_real_sparc64_6hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>                                bind(C, name="hexa_hh_trafo_real_SPARC64_6hv_single")
!f>        use, intrinsic :: iso_c_binding
!f>        integer(kind=c_int)        :: pnb, pnq, pldq, pldh
!f>        type(c_ptr), value        :: q
!f>        real(kind=c_float)        :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/

/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine hexa_hh_trafo_real_AVX_AVX2_6hv_double(q, hh, pnb, pnq, pldq, pldh) &
!f>                             bind(C, name="hexa_hh_trafo_real_AVX_AVX2_6hv_double")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int)     :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value      :: q
!f>     real(kind=c_double)     :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/
/*
!f>#if defined(HAVE_AVX) || defined(HAVE_AVX2)
!f> interface
!f>   subroutine hexa_hh_trafo_real_AVX_AVX2_6hv_single(q, hh, pnb, pnq, pldq, pldh) &
!f>                             bind(C, name="hexa_hh_trafo_real_AVX_AVX2_6hv_single")
!f>     use, intrinsic :: iso_c_binding
!f>     integer(kind=c_int)     :: pnb, pnq, pldq, pldh
!f>     type(c_ptr), value      :: q
!f>     real(kind=c_float)      :: hh(pnb,6)
!f>   end subroutine
!f> end interface
!f>#endif
*/


void CONCAT_7ARGS(PREFIX,_hh_trafo_real_,SIMD_SET,_,BLOCK,hv_,WORD_LENGTH) (DATA_TYPE_PTR q, DATA_TYPE_PTR hh, int* pnb, int* pnq, int* pldq, int* pldh)
{
  int i;
  int nb = *pnb;
  int nq = *pldq;
  int ldq = *pldq;
  int ldh = *pldh;
  int worked_on;

  worked_on = 0;

#ifdef BLOCK2
  // calculating scalar product to compute
  // 2 householder vectors simultaneously
  DATA_TYPE s = hh[(ldh)+1]*1.0;
#endif

#ifdef BLOCK4
  // calculating scalar products to compute
  // 4 householder vectors simultaneously
  DATA_TYPE s_1_2 = hh[(ldh)+1];  
  DATA_TYPE s_1_3 = hh[(ldh*2)+2];
  DATA_TYPE s_2_3 = hh[(ldh*2)+1];
  DATA_TYPE s_1_4 = hh[(ldh*3)+3];
  DATA_TYPE s_2_4 = hh[(ldh*3)+2];
  DATA_TYPE s_3_4 = hh[(ldh*3)+1];

  // calculate scalar product of first and fourth householder Vector
  // loop counter = 2
  s_1_2 += hh[2-1] * hh[(2+ldh)];          
  s_2_3 += hh[(ldh)+2-1] * hh[2+(ldh*2)];  
  s_3_4 += hh[(ldh*2)+2-1] * hh[2+(ldh*3)];

  // loop counter = 3
  s_1_2 += hh[3-1] * hh[(3+ldh)];          
  s_2_3 += hh[(ldh)+3-1] * hh[3+(ldh*2)];  
  s_3_4 += hh[(ldh*2)+3-1] * hh[3+(ldh*3)];

  s_1_3 += hh[3-2] * hh[3+(ldh*2)];        
  s_2_4 += hh[(ldh*1)+3-2] * hh[3+(ldh*3)];
#endif /* BLOCK4 */

#ifdef BLOCK6
  // calculating scalar products to compute
  // 6 householder vectors simultaneously
  DATA_TYPE scalarprods[15];

  scalarprods[0] = hh[(ldh+1)];  
  scalarprods[1] = hh[(ldh*2)+2];
  scalarprods[2] = hh[(ldh*2)+1];
  scalarprods[3] = hh[(ldh*3)+3];
  scalarprods[4] = hh[(ldh*3)+2];
  scalarprods[5] = hh[(ldh*3)+1];
  scalarprods[6] = hh[(ldh*4)+4];
  scalarprods[7] = hh[(ldh*4)+3];
  scalarprods[8] = hh[(ldh*4)+2];
  scalarprods[9] = hh[(ldh*4)+1];
  scalarprods[10] = hh[(ldh*5)+5];
  scalarprods[11] = hh[(ldh*5)+4];
  scalarprods[12] = hh[(ldh*5)+3];
  scalarprods[13] = hh[(ldh*5)+2];
  scalarprods[14] = hh[(ldh*5)+1];

  // calculate scalar product of first and fourth householder Vector
  // loop counter = 2
  scalarprods[0] += hh[1] * hh[(2+ldh)];           
  scalarprods[2] += hh[(ldh)+1] * hh[2+(ldh*2)];   
  scalarprods[5] += hh[(ldh*2)+1] * hh[2+(ldh*3)]; 
  scalarprods[9] += hh[(ldh*3)+1] * hh[2+(ldh*4)]; 
  scalarprods[14] += hh[(ldh*4)+1] * hh[2+(ldh*5)];

  // loop counter = 3
  scalarprods[0] += hh[2] * hh[(3+ldh)];          
  scalarprods[2] += hh[(ldh)+2] * hh[3+(ldh*2)];  
  scalarprods[5] += hh[(ldh*2)+2] * hh[3+(ldh*3)];
  scalarprods[9] += hh[(ldh*3)+2] * hh[3+(ldh*4)];
  scalarprods[14] += hh[(ldh*4)+2] * hh[3+(ldh*5)];

  scalarprods[1] += hh[1] * hh[3+(ldh*2)];         
  scalarprods[4] += hh[(ldh*1)+1] * hh[3+(ldh*3)]; 
  scalarprods[8] += hh[(ldh*2)+1] * hh[3+(ldh*4)]; 
  scalarprods[13] += hh[(ldh*3)+1] * hh[3+(ldh*5)];

  // loop counter = 4
  scalarprods[0] += hh[3] * hh[(4+ldh)];           
  scalarprods[2] += hh[(ldh)+3] * hh[4+(ldh*2)];   
  scalarprods[5] += hh[(ldh*2)+3] * hh[4+(ldh*3)]; 
  scalarprods[9] += hh[(ldh*3)+3] * hh[4+(ldh*4)]; 
  scalarprods[14] += hh[(ldh*4)+3] * hh[4+(ldh*5)];

  scalarprods[1] += hh[2] * hh[4+(ldh*2)];         
  scalarprods[4] += hh[(ldh*1)+2] * hh[4+(ldh*3)]; 
  scalarprods[8] += hh[(ldh*2)+2] * hh[4+(ldh*4)]; 
  scalarprods[13] += hh[(ldh*3)+2] * hh[4+(ldh*5)];

  scalarprods[3] += hh[1] * hh[4+(ldh*3)];         
  scalarprods[7] += hh[(ldh)+1] * hh[4+(ldh*4)];   
  scalarprods[12] += hh[(ldh*2)+1] * hh[4+(ldh*5)];

  // loop counter = 5
  scalarprods[0] += hh[4] * hh[(5+ldh)];           
  scalarprods[2] += hh[(ldh)+4] * hh[5+(ldh*2)];   
  scalarprods[5] += hh[(ldh*2)+4] * hh[5+(ldh*3)]; 
  scalarprods[9] += hh[(ldh*3)+4] * hh[5+(ldh*4)]; 
  scalarprods[14] += hh[(ldh*4)+4] * hh[5+(ldh*5)];

  scalarprods[1] += hh[3] * hh[5+(ldh*2)];         
  scalarprods[4] += hh[(ldh*1)+3] * hh[5+(ldh*3)]; 
  scalarprods[8] += hh[(ldh*2)+3] * hh[5+(ldh*4)]; 
  scalarprods[13] += hh[(ldh*3)+3] * hh[5+(ldh*5)];

  scalarprods[3] += hh[2] * hh[5+(ldh*3)];         
  scalarprods[7] += hh[(ldh)+2] * hh[5+(ldh*4)];   
  scalarprods[12] += hh[(ldh*2)+2] * hh[5+(ldh*5)];

  scalarprods[6] += hh[1] * hh[5+(ldh*4)];         
  scalarprods[11] += hh[(ldh)+1] * hh[5+(ldh*5)];  


#endif /* BLOCK6 */

#if VEC_SET == 128 || VEC_SET == 256 || VEC_SET == 512
  #pragma ivdep
#endif
  for (i = BLOCK; i < nb; i++)
    {
#ifdef BLOCK2
      s += hh[i-1] * hh[(i+ldh)];
#endif

#ifdef BLOCK4
      s_1_2 += hh[i-1] * hh[(i+ldh)];           
      s_2_3 += hh[(ldh)+i-1] * hh[i+(ldh*2)];   
      s_3_4 += hh[(ldh*2)+i-1] * hh[i+(ldh*3)]; 

      s_1_3 += hh[i-2] * hh[i+(ldh*2)];         
      s_2_4 += hh[(ldh*1)+i-2] * hh[i+(ldh*3)]; 

      s_1_4 += hh[i-3] * hh[i+(ldh*3)];         
#endif /* BLOCK4 */

#ifdef BLOCK6
      scalarprods[0] += hh[i-1] * hh[(i+ldh)];           
      scalarprods[2] += hh[(ldh)+i-1] * hh[i+(ldh*2)];   
      scalarprods[5] += hh[(ldh*2)+i-1] * hh[i+(ldh*3)]; 
      scalarprods[9] += hh[(ldh*3)+i-1] * hh[i+(ldh*4)]; 
      scalarprods[14] += hh[(ldh*4)+i-1] * hh[i+(ldh*5)];

      scalarprods[1] += hh[i-2] * hh[i+(ldh*2)];         
      scalarprods[4] += hh[(ldh*1)+i-2] * hh[i+(ldh*3)]; 
      scalarprods[8] += hh[(ldh*2)+i-2] * hh[i+(ldh*4)]; 
      scalarprods[13] += hh[(ldh*3)+i-2] * hh[i+(ldh*5)];

      scalarprods[3] += hh[i-3] * hh[i+(ldh*3)];         
      scalarprods[7] += hh[(ldh)+i-3] * hh[i+(ldh*4)];   
      scalarprods[12] += hh[(ldh*2)+i-3] * hh[i+(ldh*5)];

      scalarprods[6] += hh[i-4] * hh[i+(ldh*4)];         
      scalarprods[11] += hh[(ldh)+i-4] * hh[i+(ldh*5)];  

      scalarprods[10] += hh[i-5] * hh[i+(ldh*5)];        
#endif /* BLOCK6 */

    }

  // Production level kernel calls with padding
#ifdef BLOCK2

#if  VEC_SET == 128 || VEC_SET == 1281
#ifdef DOUBLE_PRECISION_REAL
#define STEP_SIZE 12
#define ROW_LENGTH 12
#define UPPER_BOUND 10
#endif
#ifdef SINGLE_PRECISION_REAL
#define STEP_SIZE 24
#define ROW_LENGTH 24
#define UPPER_BOUND 20
#endif
#endif /*  VEC_SET == 128 || VEC_SET == 1281 */

#if  VEC_SET == 256
#ifdef DOUBLE_PRECISION_REAL
#define STEP_SIZE 24
#define ROW_LENGTH 24
#define UPPER_BOUND 20
#endif
#ifdef SINGLE_PRECISION_REAL
#define STEP_SIZE 48
#define ROW_LENGTH 48
#define UPPER_BOUND 40
#endif
#endif /*  VEC_SET == 256 */

#if  VEC_SET == 512