This namespace contains Level1 BLAS-style functions. More...

Functions
template<typename T >
void	Copy (T x, T y, int N)
	Copy x to y. More...

template<typename T >
void	Scal (T a, T *x, int N)
	Multiply x by a. More...

template<typename T >
void	Axpy (T a, T x, T y, int N)
	Compute y = a * x + y. More...

template<typename T >
void	Axpby (T a, T x, T b, T y, int N)
	Compute y = a * x + b * y. More...

template<typename T >
void	Axpyz (T a, T x, T y, T *z, int N)
	Compute z = a * x + y. More...

template<typename T >
T	Dot (T x, T y, int N)
	Compute the dot product of x and y. More...

template<typename T >
T	Nrm2 (T *x, int N)
	Compute the 2-norm of x. More...

template<typename T >
void	HadProd (T x, T y, int N)
	Compute the Hadamard product of x and y. More...

template<typename T >
void	HadDiv (T x, T y, int N)
	Compute the element-wise division of x and y. More...

template<typename T >
T	Ggen (T a, T b, T c, T s)
	Generate a Gives rotation matrix. More...

template<typename T >
void	Grot (T c, T s, T a, T b)
	Compute the Gives rotation. More...

Detailed Description

This namespace contains Level1 BLAS-style functions.

Function Documentation

◆ Axpby()

template<typename T >

void senk::blas1::Axpby	(	T	a,
		T *	x,
		T	b,
		T *	y,
		int	N
	)

inline

Compute y = a * x + b * y.

Template Parameters

T	The type of vectors.

Parameters

a	A scalar value.
x	A 1D-array of size N.
b	A scalar value.
y	A 1D-array of size N.
N	The size of vectors.

Definition at line 66 of file senk_blas1.hpp.

◆ Axpy()

template<typename T >

void senk::blas1::Axpy	(	T	a,
		T *	x,
		T *	y,
		int	N
	)

inline

Compute y = a * x + y.

Template Parameters

T	The type of vectors.

Parameters

a	A scalar value.
x	A 1D-array of size N.
y	A 1D-array of size N.
N	The size of vectors.

Definition at line 52 of file senk_blas1.hpp.

◆ Axpyz()

template<typename T >

void senk::blas1::Axpyz	(	T	a,
		T *	x,
		T *	y,
		T *	z,
		int	N
	)

inline

Compute z = a * x + y.

Template Parameters

T	The type of vectors.

Parameters

a	A scalar value.
x	A 1D-array of size N.
y	A 1D-array of size N.
z	A 1D-array of size N.
N	The size of vectors.

Definition at line 80 of file senk_blas1.hpp.

◆ Copy()

template<typename T >

void senk::blas1::Copy	(	T *	x,
		T *	y,
		int	N
	)

inline

Copy x to y.

Template Parameters

T	The type of vectors.

Parameters

x	A 1D-array of size N.
y	A 1D-array of size N.
N	The size of vectors.

Definition at line 27 of file senk_blas1.hpp.

◆ Dot()

template<typename T >

T senk::blas1::Dot	(	T *	x,
		T *	y,
		int	N
	)

inline

Compute the dot product of x and y.

Template Parameters

T	The type of vectors.

Parameters

x	A 1D-array of size N.
y	A 1D-array of size N.
N	The size of vectors.

Returns: The resulting dot product.

Definition at line 93 of file senk_blas1.hpp.

◆ Ggen()

template<typename T >

T senk::blas1::Ggen	(	T	a,
		T	b,
		T *	c,
		T *	s
	)

inline

Generate a Gives rotation matrix.

Template Parameters

T	The type of the vectors.

Parameters

a	A scalar value.
b	A scalar value.
c	The resulting value of cos.
s	The resulting value of sin.

Definition at line 146 of file senk_blas1.hpp.

◆ Grot()

template<typename T >

void senk::blas1::Grot	(	T	c,
		T	s,
		T *	a,
		T *	b
	)

inline

Compute the Gives rotation.

Template Parameters

T	The type of the vectors.

Parameters

c	The value of cos.
s	THe value of sin.
a	A rotated scalar value.
b	A rotated scalar value.

Definition at line 163 of file senk_blas1.hpp.

◆ HadDiv()

template<typename T >

void senk::blas1::HadDiv	(	T *	x,
		T *	y,
		int	N
	)

inline

Compute the element-wise division of x and y.

Template Parameters

T	The type of the vectors.

Parameters

x	A 1D-array of size N.
y	A 1D-array of size N.
N	The size of the vectors.

Definition at line 133 of file senk_blas1.hpp.

◆ HadProd()

template<typename T >

void senk::blas1::HadProd	(	T *	x,
		T *	y,
		int	N
	)

inline

Compute the Hadamard product of x and y.

Template Parameters

T	The type of the vectors.

Parameters

x	A 1D-array of size N.
y	A 1D-array of size N.
N	The size of the vectors.

Definition at line 121 of file senk_blas1.hpp.

◆ Nrm2()

template<typename T >

T senk::blas1::Nrm2	(	T *	x,
		int	N
	)

inline

Compute the 2-norm of x.

Template Parameters

T	The type of the vector.

Parameters

x	A 1D-array of size N.
N	The size of the vector.

Returns: 2-norm of x.

Definition at line 107 of file senk_blas1.hpp.

◆ Scal()

template<typename T >

void senk::blas1::Scal	(	T	a,
		T *	x,
		int	N
	)

inline

Multiply x by a.

Template Parameters

T	The type of a vector.

Parameters

a	A scalar value.
x	A 1D-array of size N.
N	The size of a vector.

Definition at line 39 of file senk_blas1.hpp.

Functions

Detailed Description

Function Documentation

◆ Axpby()

◆ Axpy()

◆ Axpyz()

◆ Copy()

◆ Dot()

◆ Ggen()

◆ Grot()

◆ HadDiv()

◆ HadProd()

◆ Nrm2()

◆ Scal()