solvers_local_proto.h File Reference

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Macros
#define	SYMM_TOLERANCE   1.0e-18

Functions
double *	vectmem (int size)
	Allocate vector memory.
int	check_symmetry (N_les *les)
	Check if the matrix in les is symmetric.

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Macro Definition Documentation

#define SYMM_TOLERANCE   1.0e-18

Definition at line 19 of file solvers_local_proto.h.

Referenced by check_symmetry().

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Function Documentation

int check_symmetry

(

N_les *

L

)

Check if the matrix in les is symmetric.

Parameters:

L	N_les* – the linear equation system

Returns:

int – 1 = symmetric, 0 = unsymmetric

Definition at line 823 of file N_solvers_krylov.c.

References N_les::A, N_les::Asp, N_spvector::cols, G_debug(), G_warning(), N_spvector::index, N_SPARSE_LES, N_les::quad, N_les::rows, SYMM_TOLERANCE, N_les::type, and N_spvector::values.

Referenced by N_solver_cg(), N_solver_cholesky(), and N_solver_pcg().

double* vectmem

(

int

rows

)

Allocate vector memory.

Parameters:

rows

int

Returns:

double *

Definition at line 423 of file N_solvers.c.

Referenced by N_solver_bicgstab(), N_solver_cg(), N_solver_lu(), N_solver_pcg(), and thomalg().