1 files changed, 68 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/common/softmax.cpp b/thirdparty/oidn/mkl-dnn/src/common/softmax.cpp
new file mode 100644
index 0000000000..82848e3d1f
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/common/softmax.cpp
@@ -0,0 +1,68 @@
+/*******************************************************************************
+* 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 "memory_desc_wrapper.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 softmax_desc_init(softmax_desc_t *softmax_desc, prop_kind_t prop_kind,
+        const memory_desc_t *data_desc, const memory_desc_t *diff_desc, int softmax_axis) {
+    bool args_ok = true
+        && !any_null(softmax_desc, data_desc)
+        && 0 <= softmax_axis
+        && softmax_axis < data_desc->ndims;
+    if (!args_ok) return invalid_arguments;
+
+    auto sd = softmax_desc_t();
+    sd.primitive_kind = primitive_kind::softmax;
+    sd.prop_kind = prop_kind;
+
+    bool is_bwd = (sd.prop_kind == backward_data);
+    sd.data_desc = *data_desc;
+    sd.diff_desc = is_bwd ? *diff_desc : zero_md();
+    sd.softmax_axis = softmax_axis;
+
+    *softmax_desc = sd;
+    return success;
+}
+}
+
+status_t mkldnn_softmax_forward_desc_init(softmax_desc_t *softmax_desc,
+        prop_kind_t prop_kind, const memory_desc_t *data_desc,
+        int softmax_axis) {
+    if (!one_of(prop_kind, forward_inference, forward_training))
+        return invalid_arguments;
+    return softmax_desc_init(softmax_desc, prop_kind, data_desc, nullptr, softmax_axis);
+}
+
+status_t mkldnn_softmax_backward_desc_init(softmax_desc_t *softmax_desc,
+        const memory_desc_t *diff_desc, const mkldnn_memory_desc_t *data_desc,
+        int softmax_axis) {
+    return softmax_desc_init(softmax_desc, prop_kind::backward_data,
+            data_desc, diff_desc, softmax_axis);
+}
+// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s