Function get_item_pointer

numpy/core/src/multiarray/mapping.c:789–802

* Get pointer for an integer index. * * For a purely integer index, set ptr to the memory address. * Returns 0 on success, -1 on failure. * The caller must ensure that the index is a full integer * one. * * @param Array being indexed * @param result pointer * @param parsed index information * @param number of indices * * @return 0 on success -1 on failure */

 * @return 0 on success -1 on failure
 */
static int
get_item_pointer(PyArrayObject *self, char **ptr,
                    npy_index_info *indices, int index_num) {
    int i;
    *ptr = PyArray_BYTES(self);
    for (i=0; i < index_num; i++) {
        if ((check_and_adjust_index(&(indices[i].value),
                               PyArray_DIMS(self)[i], i, NULL)) < 0) {
            return -1;
        }
        *ptr += PyArray_STRIDE(self, i) * indices[i].value;
    }
    return 0;
}


/**