FLA_LU_piv.c File Reference

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Functions
FLA_Error	FLA_LU_piv (FLA_Obj A, FLA_Obj p)

Variables
fla_lu_t *	fla_lu_piv_cntl
fla_lu_t *	fla_lu_piv_cntl2

Function Documentation

FLA_LU_piv()

FLA_Error FLA_LU_piv	(	FLA_Obj	A,
		FLA_Obj	p
	)

{
  FLA_Error r_val = FLA_SUCCESS;
 
  // Check parameters.
  if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
    FLA_LU_piv_check( A, p );
 
  // Invoke FLA_LU_piv_internal() with large control tree.
  r_val = FLA_LU_piv_internal( A, p, fla_lu_piv_cntl2 );
 
  // This is invalid as FLA_LU_piv_internal returns a null pivot index.
  // Check for singularity.
  //if ( FLA_Check_error_level() >= FLA_MIN_ERROR_CHECKING )
  //  r_val = FLA_LU_find_zero_on_diagonal( A );
 
  return r_val;
}

References FLA_Check_error_level(), FLA_LU_piv_check(), fla_lu_piv_cntl2, FLA_LU_piv_internal(), and i.

Variable Documentation

fla_lu_piv_cntl

fla_lu_t* fla_lu_piv_cntl

extern

Referenced by FLA_LU_piv_cntl_finalize(), and FLA_LU_piv_cntl_init().

fla_lu_piv_cntl2

fla_lu_t* fla_lu_piv_cntl2

extern

Referenced by FLA_LU_piv(), FLA_LU_piv_cntl_finalize(), and FLA_LU_piv_cntl_init().