scal: Scale vector

\(x = \alpha x\) More...

Functions
void	magma_cscal (magma_int_t n, magmaFloatComplex alpha, magmaFloatComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a constant; \( x = \alpha x \).
void	magma_csscal (magma_int_t n, float alpha, magmaFloatComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a real constant; \( x = \alpha x \).
void	magma_dscal (magma_int_t n, double alpha, magmaDouble_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a constant; \( x = \alpha x \).
void	magma_sscal (magma_int_t n, float alpha, magmaFloat_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a constant; \( x = \alpha x \).
void	magma_zscal (magma_int_t n, magmaDoubleComplex alpha, magmaDoubleComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a constant; \( x = \alpha x \).
void	magma_zdscal (magma_int_t n, double alpha, magmaDoubleComplex_ptr dx, magma_int_t incx, magma_queue_t queue)
	Scales a vector by a real constant; \( x = \alpha x \).

Detailed Description

\(x = \alpha x\)

Function Documentation

magma_cscal()

void magma_cscal	(	magma_int_t	n,
		magmaFloatComplex	alpha,
		magmaFloatComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in,out]	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]	queue	magma_queue_t Queue to execute in.

magma_csscal()

void magma_csscal	(	magma_int_t	n,
		float	alpha,
		magmaFloatComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a real constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \) (real)
[in,out]	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]	queue	magma_queue_t Queue to execute in.

magma_dscal()

void magma_dscal	(	magma_int_t	n,
		double	alpha,
		magmaDouble_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in,out]	dx	DOUBLE PRECISION 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]	queue	magma_queue_t Queue to execute in.

magma_sscal()

void magma_sscal	(	magma_int_t	n,
		float	alpha,
		magmaFloat_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in,out]	dx	REAL 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]	queue	magma_queue_t Queue to execute in.

magma_zscal()

void magma_zscal	(	magma_int_t	n,
		magmaDoubleComplex	alpha,
		magmaDoubleComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \)
[in,out]	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]	queue	magma_queue_t Queue to execute in.

magma_zdscal()

void magma_zdscal	(	magma_int_t	n,
		double	alpha,
		magmaDoubleComplex_ptr	dx,
		magma_int_t	incx,
		magma_queue_t	queue )

Scales a vector by a real constant; \( x = \alpha x \).

Parameters

[in]	n	Number of elements in vector x. n >= 0.
[in]	alpha	Scalar \( \alpha \) (real)
[in,out]	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]	queue	magma_queue_t Queue to execute in.