static int validatecieaspace(i_ctx_t * i_ctx_p, ref **r)
{
    int code;
    float value[9];
    ref     CIEdict, *CIEspace = *r, *tempref;

    if (!r_is_array(CIEspace))
        return_error(gs_error_typecheck);
    /* Validate parameters, check we have enough operands */
    if (r_size(CIEspace) != 2)
        return_error(gs_error_rangecheck);

    code = array_get(imemory, CIEspace, 1, &CIEdict);
    if (code < 0)
        return code;

    check_read_type(CIEdict, t_dictionary);

    /* Check white point exists, and is an array of three numbers */
    code = checkWhitePoint(i_ctx_p, &CIEdict);
    if (code != 0)
        return code;

    /* Remaining parameters are optional, but we must validate
     * them if they are present
     */
    code = dict_find_string(&CIEdict, "RangeA", &tempref);
    if (code > 0 && !r_has_type(tempref, t_null)) {
        /* Array of two numbers A0 < A1 */
        if (!r_is_array(tempref))
            return_error(gs_error_typecheck);
        if (r_size(tempref) != 2)
            return_error(gs_error_rangecheck);

        code = get_cie_param_array(imemory, tempref, 2, value);
        if (code < 0)
            return code;
        if (value[1] < value[0])
            return_error(gs_error_rangecheck);
    }

    code = dict_find_string(&CIEdict, "DecodeA", &tempref);
    if (code > 0 && !r_has_type(tempref, t_null)) {
        check_proc(*tempref);
    }

    code = dict_find_string(&CIEdict, "MatrixA", &tempref);
    if (code > 0 && !r_has_type(tempref, t_null)) {
        if (!r_is_array(tempref))
            return_error(gs_error_typecheck);
        if (r_size(tempref) != 3)
            return_error(gs_error_rangecheck);
        code = get_cie_param_array(imemory, tempref, 3, value);
        if (code < 0)
            return code;
    }

    code = checkRangeLMN(i_ctx_p, &CIEdict);
    if (code != 0)
        return code;

    code = checkDecodeLMN(i_ctx_p, &CIEdict);
    if (code != 0)
        return code;

    code = checkMatrixLMN(i_ctx_p, &CIEdict);
    if (code != 0)
        return code;

    code = checkBlackPoint(i_ctx_p, &CIEdict);
    if (code != 0)
        return code;

    *r = 0;
    return 0;
}

The product does not correctly convert an object, resource, or structure from one type to a different type.