ATLAS_wrapper_blas_level_1.c File Reference

#include <math.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <grass/gmath.h>

Include dependency graph for ATLAS_wrapper_blas_level_1.c:

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Functions
double	G_math_ddot (double *x, double *y, int rows)
	Compute the dot product of vector x and y using the ATLAS routine cblas_ddot. More...
float	G_math_sdsdot (float *x, float *y, float a, int rows)
	Compute the dot product of vector x and y using the ATLAS routine cblas_sdsdot. More...
double	G_math_dnrm2 (double *x, int rows)
	Compute the euclidean norm of vector x using the ATLAS routine cblas_dnrm2. More...
double	G_math_dasum (double *x, int rows)
	Compute the absolute sum norm of vector x using the ATLAS routine cblas_dasum. More...
double	G_math_idamax (double *x, int rows)
	Compute the maximum norm of vector x using the ATLAS routine cblas_idamax. More...
void	G_math_dscal (double *x, double a, int rows)
	Scale vector x with scalar a using the ATLAS routine cblas_dscal. More...
void	G_math_dcopy (double *x, double *y, int rows)
	Copy vector x to vector y. More...
void	G_math_daxpy (double *x, double *y, double a, int rows)
	Scale vector x with scalar a and add it to y. More...
float	G_math_sdot (float *x, float *y, int rows)
	Compute the dot product of vector x and y using the ATLAS routine cblas_sdot. More...
float	G_math_snrm2 (float *x, int rows)
	Compute the euclidean norm of vector x using the ATLAS routine cblas_dnrm2. More...
float	G_math_sasum (float *x, int rows)
	Compute the absolute sum norm of vector x using the ATLAS routine cblas_dasum. More...
float	G_math_isamax (float *x, int rows)
	Compute the maximum norm of vector x using the ATLAS routine cblas_idamax. More...
void	G_math_sscal (float *x, float a, int rows)
	Scale vector x with scalar a using the ATLAS routine cblas_dscal. More...
void	G_math_scopy (float *x, float *y, int rows)
	Copy vector x to vector y. More...
void	G_math_saxpy (float *x, float *y, float a, int rows)
	Scale vector x with scalar a and add it to y. More...

Function Documentation

G_math_dasum()

double G_math_dasum	(	double *	x,
		int	rows
	)

Compute the absolute sum norm of vector x using the ATLAS routine cblas_dasum.

If grass was not compiled with ATLAS support it will call G_math_d_asum_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(double *)
rows	(int)

Returns

(double)

Definition at line 122 of file ATLAS_wrapper_blas_level_1.c.

References G_math_d_asum_norm().

G_math_daxpy()

void G_math_daxpy	(	double *	x,
		double *	y,
		double	a,
		int	rows
	)

Scale vector x with scalar a and add it to y.

If grass was not compiled with ATLAS support it will call G_math_d_ax_by, the grass implementatiom

Parameters

x	(double *)
y	(double *)
a	(double)
rows	(int)

Returns

(void)

Definition at line 225 of file ATLAS_wrapper_blas_level_1.c.

G_math_dcopy()

void G_math_dcopy	(	double *	x,
		double *	y,
		int	rows
	)

Copy vector x to vector y.

If grass was not compiled with ATLAS support it will call G_math_d_copy

Parameters

x	(double *)
y	(double *)
rows	(int)

Returns

(void)

Definition at line 196 of file ATLAS_wrapper_blas_level_1.c.

References G_math_d_copy().

G_math_ddot()

double G_math_ddot	(	double *	x,
		double *	y,
		int	rows
	)

Compute the dot product of vector x and y using the ATLAS routine cblas_ddot.

If grass was not compiled with ATLAS support it will call G_math_f_x_dot_y, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
y	(float *)
rows	(int)

Returns

(double)

Definition at line 44 of file ATLAS_wrapper_blas_level_1.c.

References G_math_d_x_dot_y().

G_math_dnrm2()

double G_math_dnrm2	(	double *	x,
		int	rows
	)

Compute the euclidean norm of vector x using the ATLAS routine cblas_dnrm2.

If grass was not compiled with ATLAS support it will call G_math_d_euclid_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(double *)
rows	(int)

Returns

(double)

Definition at line 97 of file ATLAS_wrapper_blas_level_1.c.

References G_math_d_euclid_norm().

G_math_dscal()

void G_math_dscal	(	double *	x,
		double	a,
		int	rows
	)

Scale vector x with scalar a using the ATLAS routine cblas_dscal.

If grass was not compiled with ATLAS support it will call G_math_d_ax_by, the OpenMP multi threaded grass implementatiom

Parameters

x	(double *)
a	(double)
rows	(int)

Returns

(void)

Definition at line 173 of file ATLAS_wrapper_blas_level_1.c.

G_math_idamax()

double G_math_idamax	(	double *	x,
		int	rows
	)

Compute the maximum norm of vector x using the ATLAS routine cblas_idamax.

If grass was not compiled with ATLAS support it will call G_math_d_max_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(double *)
rows	(int)

Returns

(double)

Definition at line 147 of file ATLAS_wrapper_blas_level_1.c.

References G_math_d_max_norm().

G_math_isamax()

float G_math_isamax	(	float *	x,
		int	rows
	)

Compute the maximum norm of vector x using the ATLAS routine cblas_idamax.

If grass was not compiled with ATLAS support it will call G_math_f_max_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
rows	(int)

Returns

(float)

Definition at line 331 of file ATLAS_wrapper_blas_level_1.c.

References G_math_f_max_norm().

G_math_sasum()

float G_math_sasum	(	float *	x,
		int	rows
	)

Compute the absolute sum norm of vector x using the ATLAS routine cblas_dasum.

If grass was not compiled with ATLAS support it will call G_math_f_asum_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
rows	(int)

Returns

(float)

Definition at line 306 of file ATLAS_wrapper_blas_level_1.c.

References G_math_f_asum_norm().

G_math_saxpy()

void G_math_saxpy	(	float *	x,
		float *	y,
		float	a,
		int	rows
	)

Scale vector x with scalar a and add it to y.

If grass was not compiled with ATLAS support it will call G_math_f_ax_by, the grass implementatiom

Parameters

x	(float *)
y	(float *)
a	(float)
rows	(int)

Returns

(void)

Definition at line 410 of file ATLAS_wrapper_blas_level_1.c.

G_math_scopy()

void G_math_scopy	(	float *	x,
		float *	y,
		int	rows
	)

Copy vector x to vector y.

If grass was not compiled with ATLAS support it will call G_math_f_copy, the grass implementatiom

Parameters

x	(float *)
y	(float *)
rows	(int)

Returns

(void)

Definition at line 381 of file ATLAS_wrapper_blas_level_1.c.

References G_math_f_copy().

G_math_sdot()

float G_math_sdot	(	float *	x,
		float *	y,
		int	rows
	)

Compute the dot product of vector x and y using the ATLAS routine cblas_sdot.

If grass was not compiled with ATLAS support it will call G_math_f_x_dot_y, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
y	(float *)
rows	(int)

Returns

(float)

Definition at line 256 of file ATLAS_wrapper_blas_level_1.c.

References G_math_f_x_dot_y().

G_math_sdsdot()

float G_math_sdsdot	(	float *	x,
		float *	y,
		float	a,
		int	rows
	)

Compute the dot product of vector x and y using the ATLAS routine cblas_sdsdot.

If grass was not compiled with ATLAS support it will call G_math_f_x_dot_y, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
y	(float *)
a	(float)
rows	(int)

Returns

(float)

Definition at line 72 of file ATLAS_wrapper_blas_level_1.c.

G_math_snrm2()

float G_math_snrm2	(	float *	x,
		int	rows
	)

Compute the euclidean norm of vector x using the ATLAS routine cblas_dnrm2.

If grass was not compiled with ATLAS support it will call G_math_f_euclid_norm, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
rows	(int)

Returns

(float)

Definition at line 281 of file ATLAS_wrapper_blas_level_1.c.

References G_math_f_euclid_norm().

G_math_sscal()

void G_math_sscal	(	float *	x,
		float	a,
		int	rows
	)

Scale vector x with scalar a using the ATLAS routine cblas_dscal.

If grass was not compiled with ATLAS support it will call G_math_f_ax_by, the OpenMP multi threaded grass implementatiom

Parameters

x	(float *)
a	(float)
rows	(int)

Returns

(float)

Definition at line 357 of file ATLAS_wrapper_blas_level_1.c.