FLA_Lyap_internal_check.c File Reference

(r12600)

Functions
FLA_Error	FLA_Lyap_internal_check (FLA_Trans trans, FLA_Obj isgn, FLA_Obj A, FLA_Obj C, FLA_Obj scale, fla_lyap_t *cntl)

---

Function Documentation

FLA_Error FLA_Lyap_internal_check	(	FLA_Trans	trans,
		FLA_Obj	isgn,
		FLA_Obj	A,
		FLA_Obj	C,
		FLA_Obj	scale,
		fla_lyap_t *	cntl
	)

References FLA_Check_conformal_dims(), FLA_Check_identical_object_elemtype(), FLA_Check_null_pointer(), and FLA_Check_square().

Referenced by FLA_Lyap_internal().

{
    FLA_Error e_val;

    // Abort if the control structure is NULL.
    e_val = FLA_Check_null_pointer( ( void* ) cntl );
    FLA_Check_error_code( e_val );

    // Verify that the object element types are identical.
    e_val = FLA_Check_identical_object_elemtype( A, C );
    FLA_Check_error_code( e_val );

    // Verify conformality between all the objects. This check works regardless
    // of whether the element type is FLA_MATRIX or FLA_SCALAR because the
    // element length and width are used instead of scalar length and width.
    e_val = FLA_Check_conformal_dims( FLA_NO_TRANSPOSE, A, C );
    FLA_Check_error_code( e_val );

    e_val = FLA_Check_square( A );
    FLA_Check_error_code( e_val );

    e_val = FLA_Check_square( C );
    FLA_Check_error_code( e_val );

    return FLA_SUCCESS;
}