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Diffstat (limited to 'blas/level2_cplx_impl.h')
-rw-r--r--blas/level2_cplx_impl.h118
1 files changed, 42 insertions, 76 deletions
diff --git a/blas/level2_cplx_impl.h b/blas/level2_cplx_impl.h
index b850b6cd1..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*, int, 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);
+ typedef void (*functype)(int, const Scalar*, int, const Scalar*, Scalar*, Scalar);
+ 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;
@@ -52,13 +46,13 @@ 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))
{
- if(beta==Scalar(0)) vector(actual_y, *n).setZero();
- else vector(actual_y, *n) *= beta;
+ if(beta==Scalar(0)) make_vector(actual_y, *n).setZero();
+ else make_vector(actual_y, *n) *= beta;
}
if(alpha!=Scalar(0))
@@ -67,7 +61,7 @@ int EIGEN_BLAS_FUNC(hemv)(char *uplo, int *n, RealScalar *palpha, RealScalar *pa
if(code>=2 || func[code]==0)
return 0;
- func[code](*n, a, *lda, actual_x, 1, actual_y, alpha);
+ func[code](*n, a, *lda, actual_x, actual_y, alpha);
}
if(actual_x!=x) delete[] actual_x;
@@ -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);