(C|Z)HPMV¶

Single complex and double complex HPMV.

Description¶

Computes the packed hermitian matrix-vector operation:

$y \assign \alpha A * x + \beta y$

BLAS Interface¶

void chpmv(const char *UPLO, const qml_long *N, const qml_single_complex *ALPHA,
           const qml_single_complex *AP, const qml_single_complex *X,
           const qml_long *INCX, const qml_single_complex *BETA,
           qml_single_complex *Y, const qml_long *INCY);

void zhpmv(const char *UPLO, const qml_long *N, const qml_double_complex *ALPHA,
           const qml_double_complex *AP, const qml_double_complex *X,
           const qml_long *INCX, const qml_double_complex *BETA,
           qml_double_complex *Y, const qml_long *INCY);

CBLAS Interface¶

void cblas_chpmv(const CBLAS_ORDER ORDER, const CBLAS_UPLO UPLO, const qml_long N,
                 const qml_single_complex *ALPHA, const qml_single_complex *AP,
                 const qml_single_complex *X, const qml_long INCX,
                 const qml_single_complex *BETA, qml_single_complex *Y,
                 const qml_long INCY);

void cblas_zhpmv(const CBLAS_ORDER ORDER, const CBLAS_UPLO UPLO, const qml_long N,
                 const qml_double_complex *ALPHA, const qml_double_complex *AP,
                 const qml_double_complex *X, const qml_long INCX,
                 const qml_double_complex *BETA, qml_double_complex *Y,
                 const qml_long INCY);

Arguments¶

UPLO	Specify whether the upper or lower triangle of matrix A will be used
N	Order of matrix A
ALPHA	Scalar multiplied with the matrix-vector product
AP	Matrix A stored in packed triangular form, must be at least: $\fvar{N}\mult(\fvar{N}+1)/2$
X	First input vector, must be at least: $(\fvar{N}-1)\mult\abs{\fvar{INCX}} + 1$
INCX	Distance between individual elements in X
BETA	Scalar multiplied with vector Y
Y	Second input vector, must be at least: $(\fvar{M}-1)\mult\abs{\fvar{INCY}} + 1$
INCY	Distance between individual elements in Y