Function can_elide_temp_unary

numpy/core/src/multiarray/temp_elide.c:367–387

try elide unary temporary */

/* try elide unary temporary */
NPY_NO_EXPORT int
can_elide_temp_unary(PyArrayObject * m1)
{
    int cannot;
    if (Py_REFCNT(m1) != 1 || !PyArray_CheckExact(m1) ||
            !PyArray_ISNUMBER(m1) ||
            !PyArray_CHKFLAGS(m1, NPY_ARRAY_OWNDATA) ||
            !PyArray_ISWRITEABLE(m1) ||
            PyArray_NBYTES(m1) < NPY_MIN_ELIDE_BYTES) {
        return 0;
    }
    if (check_callers(&cannot)) {
#if NPY_ELIDE_DEBUG != 0
        puts("elided temporary in unary op");
#endif
        return 1;
    }
    else {
        return 0;
    }
}
#else /* unsupported interpreter or missing backtrace */
NPY_NO_EXPORT int
can_elide_temp_unary(PyArrayObject * m1)