KmlIssGcrAxpyR

Calculate $\text{[math]}$ in the GCR algorithm.

Interface Definition

C interface:

int KmlIssGcrAxpyR(float *r, const float *ap, double *d, const double *ac, const int *xl, const int *xr, const int *yl, const int *zl, const int *ylT, const int *yrT, const int *zlT, const int *ybegin, const int *yend, const int *zbegin, const int *zend);

Parameters

Parameter	Type	Description	Input/Output
r	float *	Intermediate variable r of the GCR algorithm. It is stored in the (z, x, y) direction.	Input/Output
ap	float *	Intermediate variable ap of the GCR algorithm. It is stored in the (z, x, y) direction.	Input
d	double *	Intermediate variable d of the GCR algorithm	Input/Output
ac	const double *	Intermediate variable alpha of the GCR algorithm	Input
xl	const int *	Start position in the x direction of the solving space	Input
xr	const int *	End position in the x direction of the solving space	Input
yl	const int *	Start position in the y direction of the solving space	Input
zl	const int *	Start position in the z direction of the solving space	Input
ylT	const int *	Start position in the yT direction of the solving space	Input
yrT	const int *	End position in the yT direction of the solving space	Input
zlT	const int *	Start position in the zT direction of the solving space	Input
ybegin	const int *	Start position in the y direction of the auxiliary solving space	Input
yend	const int *	End position in the y direction of the auxiliary solving space	Input
zbegin	const int *	Start position in the z direction of the auxiliary solving space	Input
zend	const int *	End position in the z direction of the auxiliary solving space	Input

Return Value

Return Value	Type	Description
KMLSS_NO_ERROR	int	The execution is successful.
KMLSS_NULL_ARGUMENT	int	A null pointer exists in the input.
KMLSS_BAD_DATA	int	The parameters related to the solving space are invalid.

Dependencies

#include "kml_gcr_specific.h"

Examples

C interface:

int xl = 5;
int yl = 5;
int zl = 5;
int xr = 6;
int yr = 6;
int zr = 6;
int ybegin = 5;
int yend = 6;
int zbegin = 5;
int zend = 6;
int ylm = 4;
int yrm = 7;
int zlm = 4;
float *r = (float*)malloc(sizeof(float) * 45);
float *ap = (float*)malloc(sizeof(float) * 45);
double ac = rand();
double d = 0.0;
for (int i=0; i<45; i++) {
    r[i] = rand();
    ap[i] = rand();
}

KmlIssGcrAxpyR(r, ap, &d, &ac, &xl, &xr, &ylm, &zlm, &yl, &yr, &zl, &ybegin, &yend, &zbegin, &zend);

Parent topic: GCR Operators