Function npy_get_floatstatus_barrier

numpy/core/src/npymath/ieee754.cpp:422–438

extern "C" int
npy_get_floatstatus_barrier(char *param)
{
    int fpstatus = fetestexcept(FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW |
                                FE_INVALID);
    /*
     * By using a volatile, the compiler cannot reorder this call
     */
    if (param != NULL) {
        volatile char NPY_UNUSED(c) = *(char *)param;
    }

    return ((FE_DIVBYZERO & fpstatus) ? NPY_FPE_DIVIDEBYZERO : 0) |
           ((FE_OVERFLOW & fpstatus) ? NPY_FPE_OVERFLOW : 0) |
           ((FE_UNDERFLOW & fpstatus) ? NPY_FPE_UNDERFLOW : 0) |
           ((FE_INVALID & fpstatus) ? NPY_FPE_INVALID : 0);
}

extern "C" int
npy_clear_floatstatus_barrier(char *param)