level1_real_impl.h File Reference

#include "common.h"

Go to the source code of this file.

Functions
RealScalar EIGEN_BLAS_FUNC()	asum (int *n, RealScalar *px, int *incx)
int	EIGEN_CAT (i, EIGEN_BLAS_FUNC(amax))(int *n
if incx	make_vector (x, *n).cwiseAbs().maxCoeff(&ret)
else	make_vector (x, *n, std::abs(*incx)).cwiseAbs().maxCoeff(&ret)
return	int (ret)+1
int	EIGEN_CAT (i, EIGEN_BLAS_FUNC(amin))(int *n
Scalar EIGEN_BLAS_FUNC()	dot (int *n, RealScalar *px, int *incx, RealScalar *py, int *incy)
Scalar EIGEN_BLAS_FUNC()	nrm2 (int *n, RealScalar *px, int *incx)
int EIGEN_BLAS_FUNC()	rot (int *n, RealScalar *px, int *incx, RealScalar *py, int *incy, RealScalar *pc, RealScalar *ps)

Variables
int RealScalar *	px
int RealScalar int *	incx
Scalar *	x = reinterpret_cast<Scalar*>(px)
DenseIndex	ret

Function Documentation

asum()

RealScalar EIGEN_BLAS_FUNC() asum	(	int *	n,
		RealScalar *	px,
		int *	incx
	)

dot()

Scalar EIGEN_BLAS_FUNC() dot	(	int *	n,
		RealScalar *	px,
		int *	incx,
		RealScalar *	py,
		int *	incy
	)

EIGEN_CAT() [1/2]

int EIGEN_CAT	(	i	,
		EIGEN_BLAS_FUNC(amax)
	)

EIGEN_CAT() [2/2]

int EIGEN_CAT	(	i	,
		EIGEN_BLAS_FUNC(amin)
	)

int()

return int

(

ret

)

make_vector() [1/2]

if incx make_vector	(	x	,
		*	n
	)		&

make_vector() [2/2]

else make_vector	(	x	,
		*	n,
		std::abs *	incx
	)		&

nrm2()

Scalar EIGEN_BLAS_FUNC() nrm2	(	int *	n,
		RealScalar *	px,
		int *	incx
	)

rot()

int EIGEN_BLAS_FUNC() rot	(	int *	n,
		RealScalar *	px,
		int *	incx,
		RealScalar *	py,
		int *	incy,
		RealScalar *	pc,
		RealScalar *	ps
	)

Variable Documentation

incx

int RealScalar int* incx

Initial value:

{
  if(*n<=0) return 0

px

int RealScalar* px

ret

DenseIndex ret

x

Scalar* x = reinterpret_cast<Scalar*>(px)