/*******************************************************************************
* Copyright 2018 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/

#include "utils.hpp"

#include "inner_product_pd.hpp"

namespace mkldnn {
namespace impl {

using namespace prop_kind;

memory_desc_t *ip_prop_invariant_src_d(inner_product_desc_t *desc) {
    return desc->prop_kind == backward_data
        ? &desc->diff_src_desc : &desc->src_desc;
}

memory_desc_t *ip_prop_invariant_wei_d(inner_product_desc_t *desc) {
    return desc->prop_kind == backward_weights
        ? &desc->diff_weights_desc : &desc->weights_desc;
}

memory_desc_t *ip_prop_invariant_bia_d(inner_product_desc_t *desc) {
    return desc->prop_kind == backward_weights
        ? &desc->diff_bias_desc : &desc->bias_desc;
}

memory_desc_t *ip_prop_invariant_dst_d(inner_product_desc_t *desc) {
    return utils::one_of(desc->prop_kind, forward_inference, forward_training)
        ? &desc->dst_desc : &desc->diff_dst_desc;
}

const memory_desc_t *ip_prop_invariant_src_d(const inner_product_desc_t *desc)
{ return ip_prop_invariant_src_d(const_cast<inner_product_desc_t *>(desc)); }
const memory_desc_t *ip_prop_invariant_wei_d(const inner_product_desc_t *desc)
{ return ip_prop_invariant_wei_d(const_cast<inner_product_desc_t *>(desc)); }
const memory_desc_t *ip_prop_invariant_bia_d(const inner_product_desc_t *desc)
{ return ip_prop_invariant_bia_d(const_cast<inner_product_desc_t *>(desc)); }
const memory_desc_t *ip_prop_invariant_dst_d(const inner_product_desc_t *desc)
{ return ip_prop_invariant_dst_d(const_cast<inner_product_desc_t *>(desc)); }

}
}
