PK_VECTOR_is_zero

PK_ERROR_code_t     PK_VECTOR_is_zero
(
--- received arguments ---
PK_VECTOR_t         vec,

--- returned arguments ---
PK_LOGICAL_t *const is_zero
)


This function tests whether the given vector 'vec' is zero within the
current session precision. If it is, 'is_zero' is set to PK_LOGICAL_true,
otherwise to PK_LOGICAL_false.