diff options
Diffstat (limited to 'blas/level2_cplx_impl.h')
-rw-r--r-- | blas/level2_cplx_impl.h | 110 |
1 files changed, 38 insertions, 72 deletions
diff --git a/blas/level2_cplx_impl.h b/blas/level2_cplx_impl.h index 9b845de22..e3ce61435 100644 --- a/blas/level2_cplx_impl.h +++ b/blas/level2_cplx_impl.h @@ -16,28 +16,22 @@ * where alpha and beta are scalars, x and y are n element vectors and * A is an n by n hermitian matrix. */ -int EIGEN_BLAS_FUNC(hemv)(char *uplo, int *n, RealScalar *palpha, RealScalar *pa, int *lda, RealScalar *px, int *incx, RealScalar *pbeta, RealScalar *py, int *incy) +int EIGEN_BLAS_FUNC(hemv)(const char *uplo, const int *n, const RealScalar *palpha, const RealScalar *pa, const int *lda, + const RealScalar *px, const int *incx, const RealScalar *pbeta, RealScalar *py, const int *incy) { typedef void (*functype)(int, const Scalar*, int, const Scalar*, Scalar*, Scalar); - static functype func[2]; - - static bool init = false; - if(!init) - { - for(int k=0; k<2; ++k) - func[k] = 0; - - func[UP] = (internal::selfadjoint_matrix_vector_product<Scalar,int,ColMajor,Upper,false,false>::run); - func[LO] = (internal::selfadjoint_matrix_vector_product<Scalar,int,ColMajor,Lower,false,false>::run); - - init = true; - } - - Scalar* a = reinterpret_cast<Scalar*>(pa); - Scalar* x = reinterpret_cast<Scalar*>(px); + static const functype func[2] = { + // array index: UP + (internal::selfadjoint_matrix_vector_product<Scalar,int,ColMajor,Upper,false,false>::run), + // array index: LO + (internal::selfadjoint_matrix_vector_product<Scalar,int,ColMajor,Lower,false,false>::run), + }; + + const Scalar* a = reinterpret_cast<const Scalar*>(pa); + const Scalar* x = reinterpret_cast<const Scalar*>(px); Scalar* y = reinterpret_cast<Scalar*>(py); - Scalar alpha = *reinterpret_cast<Scalar*>(palpha); - Scalar beta = *reinterpret_cast<Scalar*>(pbeta); + Scalar alpha = *reinterpret_cast<const Scalar*>(palpha); + Scalar beta = *reinterpret_cast<const Scalar*>(pbeta); // check arguments int info = 0; @@ -52,7 +46,7 @@ int EIGEN_BLAS_FUNC(hemv)(char *uplo, int *n, RealScalar *palpha, RealScalar *pa if(*n==0) return 1; - Scalar* actual_x = get_compact_vector(x,*n,*incx); + const Scalar* actual_x = get_compact_vector(x,*n,*incx); Scalar* actual_y = get_compact_vector(y,*n,*incy); if(beta!=Scalar(1)) @@ -111,19 +105,12 @@ int EIGEN_BLAS_FUNC(hemv)(char *uplo, int *n, RealScalar *palpha, RealScalar *pa int EIGEN_BLAS_FUNC(hpr)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int *incx, RealScalar *pap) { typedef void (*functype)(int, Scalar*, const Scalar*, RealScalar); - static functype func[2]; - - static bool init = false; - if(!init) - { - for(int k=0; k<2; ++k) - func[k] = 0; - - func[UP] = (internal::selfadjoint_packed_rank1_update<Scalar,int,ColMajor,Upper,false,Conj>::run); - func[LO] = (internal::selfadjoint_packed_rank1_update<Scalar,int,ColMajor,Lower,false,Conj>::run); - - init = true; - } + static const functype func[2] = { + // array index: UP + (internal::selfadjoint_packed_rank1_update<Scalar,int,ColMajor,Upper,false,Conj>::run), + // array index: LO + (internal::selfadjoint_packed_rank1_update<Scalar,int,ColMajor,Lower,false,Conj>::run), + }; Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* ap = reinterpret_cast<Scalar*>(pap); @@ -162,19 +149,12 @@ int EIGEN_BLAS_FUNC(hpr)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int EIGEN_BLAS_FUNC(hpr2)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar *pap) { typedef void (*functype)(int, Scalar*, const Scalar*, const Scalar*, Scalar); - static functype func[2]; - - static bool init = false; - if(!init) - { - for(int k=0; k<2; ++k) - func[k] = 0; - - func[UP] = (internal::packed_rank2_update_selector<Scalar,int,Upper>::run); - func[LO] = (internal::packed_rank2_update_selector<Scalar,int,Lower>::run); - - init = true; - } + static const functype func[2] = { + // array index: UP + (internal::packed_rank2_update_selector<Scalar,int,Upper>::run), + // array index: LO + (internal::packed_rank2_update_selector<Scalar,int,Lower>::run), + }; Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* y = reinterpret_cast<Scalar*>(py); @@ -217,19 +197,12 @@ int EIGEN_BLAS_FUNC(hpr2)(char *uplo, int *n, RealScalar *palpha, RealScalar *px int EIGEN_BLAS_FUNC(her)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int *incx, RealScalar *pa, int *lda) { typedef void (*functype)(int, Scalar*, int, const Scalar*, const Scalar*, const Scalar&); - static functype func[2]; - - static bool init = false; - if(!init) - { - for(int k=0; k<2; ++k) - func[k] = 0; - - func[UP] = (selfadjoint_rank1_update<Scalar,int,ColMajor,Upper,false,Conj>::run); - func[LO] = (selfadjoint_rank1_update<Scalar,int,ColMajor,Lower,false,Conj>::run); - - init = true; - } + static const functype func[2] = { + // array index: UP + (selfadjoint_rank1_update<Scalar,int,ColMajor,Upper,false,Conj>::run), + // array index: LO + (selfadjoint_rank1_update<Scalar,int,ColMajor,Lower,false,Conj>::run), + }; Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* a = reinterpret_cast<Scalar*>(pa); @@ -271,19 +244,12 @@ int EIGEN_BLAS_FUNC(her)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int EIGEN_BLAS_FUNC(her2)(char *uplo, int *n, RealScalar *palpha, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar *pa, int *lda) { typedef void (*functype)(int, Scalar*, int, const Scalar*, const Scalar*, Scalar); - static functype func[2]; - - static bool init = false; - if(!init) - { - for(int k=0; k<2; ++k) - func[k] = 0; - - func[UP] = (internal::rank2_update_selector<Scalar,int,Upper>::run); - func[LO] = (internal::rank2_update_selector<Scalar,int,Lower>::run); - - init = true; - } + static const functype func[2] = { + // array index: UP + (internal::rank2_update_selector<Scalar,int,Upper>::run), + // array index: LO + (internal::rank2_update_selector<Scalar,int,Lower>::run), + }; Scalar* x = reinterpret_cast<Scalar*>(px); Scalar* y = reinterpret_cast<Scalar*>(py); |