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void | magma_cher2 (magma_uplo_t uplo, magma_int_t n, magmaFloatComplex alpha, magmaFloatComplex_const_ptr dx, magma_int_t incx, magmaFloatComplex_const_ptr dy, magma_int_t incy, magmaFloatComplex_ptr dA, magma_int_t ldda, magma_queue_t queue) |
| Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.
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void | magma_zher2 (magma_uplo_t uplo, magma_int_t n, magmaDoubleComplex alpha, magmaDoubleComplex_const_ptr dx, magma_int_t incx, magmaDoubleComplex_const_ptr dy, magma_int_t incy, magmaDoubleComplex_ptr dA, magma_int_t ldda, magma_queue_t queue) |
| Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.
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\( A = \alpha xy^T + \alpha yx^T + A \)
◆ magma_cher2()
void magma_cher2 |
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magma_uplo_t | uplo, |
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magma_int_t | n, |
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magmaFloatComplex | alpha, |
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magmaFloatComplex_const_ptr | dx, |
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magma_int_t | incx, |
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magmaFloatComplex_const_ptr | dy, |
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magma_int_t | incy, |
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magmaFloatComplex_ptr | dA, |
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magma_int_t | ldda, |
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magma_queue_t | queue ) |
Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.
- Parameters
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[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | alpha | Scalar \( \alpha \) |
[in] | dx | COMPLEX array on GPU device. The n element vector x of dimension (1 + (n-1)*incx). |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | dy | COMPLEX array on GPU device. The n element vector y of dimension (1 + (n-1)*incy). |
[in] | incy | Stride between consecutive elements of dy. incy != 0. |
[in,out] | dA | COMPLEX array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in] | queue | magma_queue_t Queue to execute in. |
◆ magma_zher2()
void magma_zher2 |
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magma_uplo_t | uplo, |
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magma_int_t | n, |
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magmaDoubleComplex | alpha, |
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magmaDoubleComplex_const_ptr | dx, |
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magma_int_t | incx, |
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magmaDoubleComplex_const_ptr | dy, |
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magma_int_t | incy, |
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magmaDoubleComplex_ptr | dA, |
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magma_int_t | ldda, |
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magma_queue_t | queue ) |
Perform Hermitian rank-2 update, \( A = \alpha x y^H + conj(\alpha) y x^H + A, \) where \( A \) is Hermitian.
- Parameters
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[in] | uplo | Whether the upper or lower triangle of A is referenced. |
[in] | n | Number of rows and columns of A. n >= 0. |
[in] | alpha | Scalar \( \alpha \) |
[in] | dx | COMPLEX_16 array on GPU device. The n element vector x of dimension (1 + (n-1)*incx). |
[in] | incx | Stride between consecutive elements of dx. incx != 0. |
[in] | dy | COMPLEX_16 array on GPU device. The n element vector y of dimension (1 + (n-1)*incy). |
[in] | incy | Stride between consecutive elements of dy. incy != 0. |
[in,out] | dA | COMPLEX_16 array of dimension (ldda,n), ldda >= max(1,n). The n-by-n matrix A, on GPU device. |
[in] | ldda | Leading dimension of dA. |
[in] | queue | magma_queue_t Queue to execute in. |