Function get_fp_invalid_and_clear

numpy/linalg/umath_linalg.cpp:414–420

 */

static inline int
get_fp_invalid_and_clear(void)
{
    int status;
    status = npy_clear_floatstatus_barrier((char*)&status);
    return !!(status & NPY_FPE_INVALID);
}

static inline void
set_fp_invalid_or_clear(int error_occurred)