1 files changed, 84 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/common/eltwise.cpp b/thirdparty/oidn/mkl-dnn/src/common/eltwise.cpp
new file mode 100644
index 0000000000..f1708fca52
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/common/eltwise.cpp
@@ -0,0 +1,84 @@
+/*******************************************************************************
+* Copyright 2016-2018 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 <assert.h>
+#include "mkldnn.h"
+
+#include "c_types_map.hpp"
+#include "type_helpers.hpp"
+#include "utils.hpp"
+
+using namespace mkldnn::impl;
+using namespace mkldnn::impl::utils;
+using namespace mkldnn::impl::status;
+using namespace mkldnn::impl::prop_kind;
+using namespace mkldnn::impl::alg_kind;
+using namespace mkldnn::impl::types;
+
+namespace {
+status_t eltwise_desc_init(eltwise_desc_t *eltwise_desc, prop_kind_t prop_kind,
+        alg_kind_t alg_kind, const memory_desc_t *data_desc,
+        const memory_desc_t *diff_data_desc, float alpha, float beta) {
+    bool args_ok = true
+        && !any_null(eltwise_desc, data_desc)
+        && one_of(prop_kind, forward_training, forward_inference,
+                backward_data)
+        && one_of(alg_kind, eltwise_relu, eltwise_tanh, eltwise_elu,
+                  eltwise_square, eltwise_abs, eltwise_sqrt, eltwise_linear,
+                  eltwise_bounded_relu, eltwise_soft_relu, eltwise_logistic)
+        && IMPLICATION(prop_kind == backward_data, diff_data_desc != nullptr);
+    if (!args_ok) return invalid_arguments;
+
+    auto ed = eltwise_desc_t();
+    ed.primitive_kind = primitive_kind::eltwise;
+    ed.prop_kind = prop_kind;
+    ed.alg_kind = alg_kind;
+
+    ed.data_desc = *data_desc;
+    ed.diff_data_desc =
+        (ed.prop_kind == backward_data) ? *diff_data_desc : zero_md();
+
+    ed.alpha = alpha;
+    ed.beta = beta;
+
+    bool consistency = true
+        && IMPLICATION(ed.prop_kind == backward_data,
+                array_cmp(ed.diff_data_desc.dims, ed.data_desc.dims,
+                    ed.diff_data_desc.ndims));
+    if (!consistency) return invalid_arguments;
+
+    *eltwise_desc = ed;
+    return success;
+}
+}
+
+status_t mkldnn_eltwise_forward_desc_init(eltwise_desc_t *eltwise_desc,
+        prop_kind_t prop_kind, alg_kind_t alg_kind,
+        const memory_desc_t *data_desc, float alpha, float beta) {
+    if (!one_of(prop_kind, forward_training, forward_inference))
+        return invalid_arguments;
+    return eltwise_desc_init(eltwise_desc, prop_kind, alg_kind, data_desc,
+            nullptr, alpha, beta);
+}
+
+status_t mkldnn_eltwise_backward_desc_init(eltwise_desc_t *eltwise_desc,
+        alg_kind_t alg_kind, const memory_desc_t *diff_data_desc,
+        const memory_desc_t *data_desc, float alpha, float beta) {
+    return eltwise_desc_init(eltwise_desc, backward_data, alg_kind, data_desc,
+            diff_data_desc, alpha, beta);
+}
+
+// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s