sdpconevec.c File Reference

Implementation of the SDPCone vector operations. More...

Go to the source code of this file.

Functions
int	DSDPIndexCreate (int n, DSDPIndex *IS)
	Allocate array for indices. More...
int	DSDPIndexDestroy (DSDPIndex *IS)
	Deallocate memory. More...
int	DSDPIndexInitialize (DSDPIndex *IS)
	Set structure pointers to 0. More...
int	DSDPIndexView (DSDPIndex IS)
	Print indices. More...
int	SDPConeVecAXPY (double alpha, SDPConeVec x, SDPConeVec y)
	Add a multiple of X to Y. More...
int	SDPConeVecCopy (SDPConeVec v1, SDPConeVec v2)
	Copy v1 to v2. More...
int	SDPConeVecDot (SDPConeVec V1, SDPConeVec V2, double *ans)
	Inner product of two vectors. More...
int	SDPConeVecDuplicate (SDPConeVec V1, SDPConeVec *V2)
	Allocate another vector with the same structure as the first. More...
int	SDPConeVecNorm2 (SDPConeVec VV, double *vnorm)
	Compute the Euclidean norm. More...
int	SDPConeVecNormalize (SDPConeVec V)
	Scale the vector to norm of 1. More...
int	SDPConeVecScale (double alpha, SDPConeVec VV)
	Compute the Euclidean norm. More...
int	SDPConeVecSet (double alpha, SDPConeVec V)
	Set each element of vector to this number. More...
int	SDPConeVecView (SDPConeVec V)
	Print the elements of the vector. More...
int	SDPConeVecZero (SDPConeVec V)
	Zero the elements of the vector. More...

Detailed Description

Implementation of the SDPCone vector operations.

Definition in file sdpconevec.c.

Function Documentation

DSDPIndexCreate()

int DSDPIndexCreate	(	int	n,
		DSDPIndex *	IS
	)

Allocate array for indices.

Parameters

n	dimension of block or vector associated with it.
IS	indices

Definition at line 248 of file sdpconevec.c.

Referenced by DSDPBlockSetup().

DSDPIndexDestroy()

int DSDPIndexDestroy

(

DSDPIndex *

IS

)

Deallocate memory.

Parameters

IS

indices

Definition at line 264 of file sdpconevec.c.

Referenced by DSDPBlockTakeDown().

DSDPIndexInitialize()

int DSDPIndexInitialize

(

DSDPIndex *

IS

)

Set structure pointers to 0.

Identifies sparsity in SDPConeVec.

Parameters

IS

indices

Definition at line 234 of file sdpconevec.c.

Referenced by DSDPBlockInitialize().

DSDPIndexView()

int DSDPIndexView

(

DSDPIndex

IS

)

Print indices.

Parameters

IS

indices

Definition at line 279 of file sdpconevec.c.

SDPConeVecAXPY()

int SDPConeVecAXPY	(	double	alpha,
		SDPConeVec	x,
		SDPConeVec	y
	)

Add a multiple of X to Y.

Parameters

alpha	scalar
x	a vec
y	a vec

Definition at line 178 of file sdpconevec.c.

SDPConeVecCopy()

int SDPConeVecCopy	(	SDPConeVec	v1,
		SDPConeVec	v2
	)

Copy v1 to v2.

Parameters

v1	source
v2	destination

Definition at line 103 of file sdpconevec.c.

SDPConeVecDot()

int SDPConeVecDot	(	SDPConeVec	V1,
		SDPConeVec	V2,
		double *	ans
	)

Inner product of two vectors.

Parameters

V1	a vec
V2	a vec
ans	the inner product

Definition at line 125 of file sdpconevec.c.

Referenced by DSDPDataMatCheck(), SDPConeComputeHessian(), and SDPConeComputeRHS().

SDPConeVecDuplicate()

int SDPConeVecDuplicate	(	SDPConeVec	V1,
		SDPConeVec *	V2
	)

Allocate another vector with the same structure as the first.

Parameters

V1	source vector
V2	new vector

Definition at line 195 of file sdpconevec.c.

Referenced by DSDPBlockSetup(), DSDPFastLanczosSetup(), and DSDPRobustLanczosSetup().

SDPConeVecNorm2()

int SDPConeVecNorm2	(	SDPConeVec	VV,
		double *	vnorm
	)

Compute the Euclidean norm.

Parameters

VV	a vec
vnorm	its norm

Definition at line 143 of file sdpconevec.c.

Referenced by SDPConeVecNormalize().

SDPConeVecNormalize()

int SDPConeVecNormalize

(

SDPConeVec

V

)

Scale the vector to norm of 1.

Parameters

V	the vector

Definition at line 84 of file sdpconevec.c.

SDPConeVecScale()

int SDPConeVecScale	(	double	alpha,
		SDPConeVec	VV
	)

Compute the Euclidean norm.

Parameters

alpha	scalar.
VV	a vec

Definition at line 161 of file sdpconevec.c.

Referenced by SDPConeVecNormalize(), and SDPConeXVMultiply().

SDPConeVecSet()

int SDPConeVecSet	(	double	alpha,
		SDPConeVec	V
	)

Set each element of vector to this number.

Parameters

alpha	scalar.
V	a vec

Definition at line 211 of file sdpconevec.c.

Referenced by DSDPVMatCheck().

SDPConeVecView()

int SDPConeVecView

(

SDPConeVec

V

)

Print the elements of the vector.

Parameters

V	the vector

Definition at line 49 of file sdpconevec.c.

SDPConeVecZero()

int SDPConeVecZero

(

SDPConeVec

V

)

Zero the elements of the vector.

Parameters

V	the vector

Definition at line 67 of file sdpconevec.c.